Atopic Dermatitis

Key clinical point: Patients with non-alcoholic fatty liver disease (NAFLD), especially younger patients, have a significantly decreased risk of developing atopic dermatitis (AD).

Major finding: The risk for AD was significantly lower among patients with NAFLD (adjusted hazard ratio [aHR] 0.93; P = .024), particularly those age ≤ 40 years (aHR 0.80; P < .001), compared with control individuals without NAFLD.

Study details: This retrospective cohort study included 307,743 patients with NAFLD and 1,230,972 matched control individuals without NAFLD.

Disclosures: This study was funded by the Chung Shan Medical University Hospital and China Medical University, Taiwan. The authors declared no conflicts of interest.

Source: Gau SY et al. The association between non-alcoholic fatty liver disease and atopic dermatitis: A population-based cohort study. Front Immunol. 2023;14:1171804 (Aug 18). doi: 10.3389/fimmu.2023.1171804

Key clinical point: Patients with non-alcoholic fatty liver disease (NAFLD), especially younger patients, have a significantly decreased risk of developing atopic dermatitis (AD).

Major finding: The risk for AD was significantly lower among patients with NAFLD (adjusted hazard ratio [aHR] 0.93; P = .024), particularly those age ≤ 40 years (aHR 0.80; P < .001), compared with control individuals without NAFLD.

Study details: This retrospective cohort study included 307,743 patients with NAFLD and 1,230,972 matched control individuals without NAFLD.

Disclosures: This study was funded by the Chung Shan Medical University Hospital and China Medical University, Taiwan. The authors declared no conflicts of interest.

Source: Gau SY et al. The association between non-alcoholic fatty liver disease and atopic dermatitis: A population-based cohort study. Front Immunol. 2023;14:1171804 (Aug 18). doi: 10.3389/fimmu.2023.1171804

Key clinical point: Patients with non-alcoholic fatty liver disease (NAFLD), especially younger patients, have a significantly decreased risk of developing atopic dermatitis (AD).

Major finding: The risk for AD was significantly lower among patients with NAFLD (adjusted hazard ratio [aHR] 0.93; P = .024), particularly those age ≤ 40 years (aHR 0.80; P < .001), compared with control individuals without NAFLD.

Study details: This retrospective cohort study included 307,743 patients with NAFLD and 1,230,972 matched control individuals without NAFLD.

Disclosures: This study was funded by the Chung Shan Medical University Hospital and China Medical University, Taiwan. The authors declared no conflicts of interest.

Source: Gau SY et al. The association between non-alcoholic fatty liver disease and atopic dermatitis: A population-based cohort study. Front Immunol. 2023;14:1171804 (Aug 18). doi: 10.3389/fimmu.2023.1171804

Key clinical point: Among patients with atopic dermatitis (AD), those with vs without a history of Staphylococcus aureus skin infections have significantly higher odds of having a history of eczema herpeticum (EH).

Major finding: Patients with AD and with vs without a history of S aureus skin infections had a 6.60-fold increased risk of having a history of EH (adjusted odds ratio 6.60; P = .002).

Study details: This multicenter, clinical registry study included 112 patients with AD and with (n = 56) or without (n = 56) a history of EH, matched by age and AD severity.

Disclosures: This study was supported partly by a National Eczema Association Engagement Research Grant. Several authors declared serving as consultants or investigator for or receiving grants, personal fees, or clinical trial support from various organizations.

Source: Moran MC et al. History of S. aureus skin infection significantly associates with history of eczema herpeticum in patients with atopic dermatitis. Dermatol Ther (Heidelb). 2023 (Aug 24). doi: 10.1007/s13555-023-00996-y

Key clinical point: Among patients with atopic dermatitis (AD), those with vs without a history of Staphylococcus aureus skin infections have significantly higher odds of having a history of eczema herpeticum (EH).

Major finding: Patients with AD and with vs without a history of S aureus skin infections had a 6.60-fold increased risk of having a history of EH (adjusted odds ratio 6.60; P = .002).

Study details: This multicenter, clinical registry study included 112 patients with AD and with (n = 56) or without (n = 56) a history of EH, matched by age and AD severity.

Disclosures: This study was supported partly by a National Eczema Association Engagement Research Grant. Several authors declared serving as consultants or investigator for or receiving grants, personal fees, or clinical trial support from various organizations.

Source: Moran MC et al. History of S. aureus skin infection significantly associates with history of eczema herpeticum in patients with atopic dermatitis. Dermatol Ther (Heidelb). 2023 (Aug 24). doi: 10.1007/s13555-023-00996-y

Key clinical point: Among patients with atopic dermatitis (AD), those with vs without a history of Staphylococcus aureus skin infections have significantly higher odds of having a history of eczema herpeticum (EH).

Major finding: Patients with AD and with vs without a history of S aureus skin infections had a 6.60-fold increased risk of having a history of EH (adjusted odds ratio 6.60; P = .002).

Study details: This multicenter, clinical registry study included 112 patients with AD and with (n = 56) or without (n = 56) a history of EH, matched by age and AD severity.

Disclosures: This study was supported partly by a National Eczema Association Engagement Research Grant. Several authors declared serving as consultants or investigator for or receiving grants, personal fees, or clinical trial support from various organizations.

Source: Moran MC et al. History of S. aureus skin infection significantly associates with history of eczema herpeticum in patients with atopic dermatitis. Dermatol Ther (Heidelb). 2023 (Aug 24). doi: 10.1007/s13555-023-00996-y

Key clinical point: Dupilumab rapidly improves the severity of atopic dermatitis (AD) symptoms and shows a favorable safety profile in children with moderate-to-severe AD.

Major finding: Dupilumab significantly reduced the mean Eczema Area and Severity Index (EASI) score at weeks 16, 24, and 52 (all P < .0001) and from weeks 16 to 24 (P < .01) and weeks 16 to 52 (P < .001). By week 52, 86.8% of patients had achieved a ≥ 75% improvement in the EASI score. No serious adverse events were observed, and none of the children discontinued treatment.

Study details: Findings are from a retrospective, observational, real-life study including 96 children (age 6-11 years) with moderate-to-severe AD inadequately controlled with conventional topical therapies who received dupilumab (300 mg on days 1 and 15 and 300 mg every 4 weeks).

Disclosures: This study did not receive any funding. Several authors reported receiving honoraria, travel support, or personal fees from or serving as consultants, investigators, speakers, or advisory board members for or having other ties with various sources.

Source: Patruno C et al. A 52-week multicenter retrospective real-world study on effectiveness and safety of dupilumab in children with atopic dermatitis aged from 6 to 11 years. J Dermatolog Treat. 2023;34:2246602 (Aug 14). doi: 10.1080/09546634.2023.2246602

Key clinical point: Dupilumab rapidly improves the severity of atopic dermatitis (AD) symptoms and shows a favorable safety profile in children with moderate-to-severe AD.

Major finding: Dupilumab significantly reduced the mean Eczema Area and Severity Index (EASI) score at weeks 16, 24, and 52 (all P < .0001) and from weeks 16 to 24 (P < .01) and weeks 16 to 52 (P < .001). By week 52, 86.8% of patients had achieved a ≥ 75% improvement in the EASI score. No serious adverse events were observed, and none of the children discontinued treatment.

Study details: Findings are from a retrospective, observational, real-life study including 96 children (age 6-11 years) with moderate-to-severe AD inadequately controlled with conventional topical therapies who received dupilumab (300 mg on days 1 and 15 and 300 mg every 4 weeks).

Disclosures: This study did not receive any funding. Several authors reported receiving honoraria, travel support, or personal fees from or serving as consultants, investigators, speakers, or advisory board members for or having other ties with various sources.

Source: Patruno C et al. A 52-week multicenter retrospective real-world study on effectiveness and safety of dupilumab in children with atopic dermatitis aged from 6 to 11 years. J Dermatolog Treat. 2023;34:2246602 (Aug 14). doi: 10.1080/09546634.2023.2246602

Key clinical point: Dupilumab rapidly improves the severity of atopic dermatitis (AD) symptoms and shows a favorable safety profile in children with moderate-to-severe AD.

Major finding: Dupilumab significantly reduced the mean Eczema Area and Severity Index (EASI) score at weeks 16, 24, and 52 (all P < .0001) and from weeks 16 to 24 (P < .01) and weeks 16 to 52 (P < .001). By week 52, 86.8% of patients had achieved a ≥ 75% improvement in the EASI score. No serious adverse events were observed, and none of the children discontinued treatment.

Study details: Findings are from a retrospective, observational, real-life study including 96 children (age 6-11 years) with moderate-to-severe AD inadequately controlled with conventional topical therapies who received dupilumab (300 mg on days 1 and 15 and 300 mg every 4 weeks).

Disclosures: This study did not receive any funding. Several authors reported receiving honoraria, travel support, or personal fees from or serving as consultants, investigators, speakers, or advisory board members for or having other ties with various sources.

Source: Patruno C et al. A 52-week multicenter retrospective real-world study on effectiveness and safety of dupilumab in children with atopic dermatitis aged from 6 to 11 years. J Dermatolog Treat. 2023;34:2246602 (Aug 14). doi: 10.1080/09546634.2023.2246602

Key clinical point: Severe atopic dermatitis (AD) is associated with higher risks for venous thromboembolism and cardiovascular diseases in both children and adults.

Major finding: Children with severe AD vs those without AD had a significantly increased risk (adjusted hazard ratio; 95% CI) for cerebrovascular accidents (2.43; 1.13-5.22), diabetes (1.46; 1.06-2.01), and deep vein thrombosis (DVT; 2.13; 1.17-3.87). Among adults, the severe AD vs non-AD group had a significantly higher risk for cerebrovascular accidents (1.21; 1.13-1.30), diabetes (1.15; 1.09-1.22), dyslipidemia (1.11; 1.06-1.17), myocardial infarction (1.27; 1.15-1.39), DVT (1.64; 1.49-1.82), and pulmonary embolism (1.39; 1.21-1.60).

Study details: This population-based cohort study included 409,431 children (age < 18 years) and 625,083 adults with AD who were matched with 1,809,029 children and 2,678,888 adults without AD, respectively.

Disclosures: This study was supported by a contract from Pfizer, Inc. Some authors declared serving as consultants for or receiving research grants, honoraria, or consulting fees from various sources, including Pfizer. AR Lemeshow declared being an employee of Pfizer, Inc.

Source: Wan J, Chiesa Fuxench  ZC, et al. Incidence of cardiovascular disease and venous thromboembolism in patients with atopic dermatitis. J Allergy Clin Immunol Pract. 2023 (Aug 10). doi: 10.1016/j.jaip.2023.08.007

Key clinical point: Severe atopic dermatitis (AD) is associated with higher risks for venous thromboembolism and cardiovascular diseases in both children and adults.

Major finding: Children with severe AD vs those without AD had a significantly increased risk (adjusted hazard ratio; 95% CI) for cerebrovascular accidents (2.43; 1.13-5.22), diabetes (1.46; 1.06-2.01), and deep vein thrombosis (DVT; 2.13; 1.17-3.87). Among adults, the severe AD vs non-AD group had a significantly higher risk for cerebrovascular accidents (1.21; 1.13-1.30), diabetes (1.15; 1.09-1.22), dyslipidemia (1.11; 1.06-1.17), myocardial infarction (1.27; 1.15-1.39), DVT (1.64; 1.49-1.82), and pulmonary embolism (1.39; 1.21-1.60).

Study details: This population-based cohort study included 409,431 children (age < 18 years) and 625,083 adults with AD who were matched with 1,809,029 children and 2,678,888 adults without AD, respectively.

Disclosures: This study was supported by a contract from Pfizer, Inc. Some authors declared serving as consultants for or receiving research grants, honoraria, or consulting fees from various sources, including Pfizer. AR Lemeshow declared being an employee of Pfizer, Inc.

Source: Wan J, Chiesa Fuxench  ZC, et al. Incidence of cardiovascular disease and venous thromboembolism in patients with atopic dermatitis. J Allergy Clin Immunol Pract. 2023 (Aug 10). doi: 10.1016/j.jaip.2023.08.007

Key clinical point: Severe atopic dermatitis (AD) is associated with higher risks for venous thromboembolism and cardiovascular diseases in both children and adults.

Major finding: Children with severe AD vs those without AD had a significantly increased risk (adjusted hazard ratio; 95% CI) for cerebrovascular accidents (2.43; 1.13-5.22), diabetes (1.46; 1.06-2.01), and deep vein thrombosis (DVT; 2.13; 1.17-3.87). Among adults, the severe AD vs non-AD group had a significantly higher risk for cerebrovascular accidents (1.21; 1.13-1.30), diabetes (1.15; 1.09-1.22), dyslipidemia (1.11; 1.06-1.17), myocardial infarction (1.27; 1.15-1.39), DVT (1.64; 1.49-1.82), and pulmonary embolism (1.39; 1.21-1.60).

Study details: This population-based cohort study included 409,431 children (age < 18 years) and 625,083 adults with AD who were matched with 1,809,029 children and 2,678,888 adults without AD, respectively.

Disclosures: This study was supported by a contract from Pfizer, Inc. Some authors declared serving as consultants for or receiving research grants, honoraria, or consulting fees from various sources, including Pfizer. AR Lemeshow declared being an employee of Pfizer, Inc.

Source: Wan J, Chiesa Fuxench  ZC, et al. Incidence of cardiovascular disease and venous thromboembolism in patients with atopic dermatitis. J Allergy Clin Immunol Pract. 2023 (Aug 10). doi: 10.1016/j.jaip.2023.08.007

Key clinical point: Adults with newly diagnosed atopic dermatitis (AD) have a 44% increased risk of subsequently developing type 2 diabetes (T2D).

Major finding: The risk for new-onset T2D was significantly higher in adults with newly diagnosed AD vs control individuals without AD (adjusted hazard ratio 1.44; P < .001), with the risk being significantly greater in both men and women with AD (both P < .001).

Study details: Findings are from a retrospective cohort study including 36,692 adult patients with AD and 36,692 matched control individuals who had never been diagnosed with AD.

Disclosures: This study was supported by the National Research Foundation of Korea funded by the Ministry of Education, Science, and Technology and others. The authors declared no conflicts of interest.

Source: Won Lee S et al. Risk of type 2 diabetes mellitus in adult patients with atopic dermatitis. Diabetes Res Clin Pract. 2023;110883 (Aug 16). doi: 10.1016/j.diabres.2023.110883

Key clinical point: Adults with newly diagnosed atopic dermatitis (AD) have a 44% increased risk of subsequently developing type 2 diabetes (T2D).

Major finding: The risk for new-onset T2D was significantly higher in adults with newly diagnosed AD vs control individuals without AD (adjusted hazard ratio 1.44; P < .001), with the risk being significantly greater in both men and women with AD (both P < .001).

Study details: Findings are from a retrospective cohort study including 36,692 adult patients with AD and 36,692 matched control individuals who had never been diagnosed with AD.

Disclosures: This study was supported by the National Research Foundation of Korea funded by the Ministry of Education, Science, and Technology and others. The authors declared no conflicts of interest.

Source: Won Lee S et al. Risk of type 2 diabetes mellitus in adult patients with atopic dermatitis. Diabetes Res Clin Pract. 2023;110883 (Aug 16). doi: 10.1016/j.diabres.2023.110883

Key clinical point: Adults with newly diagnosed atopic dermatitis (AD) have a 44% increased risk of subsequently developing type 2 diabetes (T2D).

Major finding: The risk for new-onset T2D was significantly higher in adults with newly diagnosed AD vs control individuals without AD (adjusted hazard ratio 1.44; P < .001), with the risk being significantly greater in both men and women with AD (both P < .001).

Study details: Findings are from a retrospective cohort study including 36,692 adult patients with AD and 36,692 matched control individuals who had never been diagnosed with AD.

Disclosures: This study was supported by the National Research Foundation of Korea funded by the Ministry of Education, Science, and Technology and others. The authors declared no conflicts of interest.

Source: Won Lee S et al. Risk of type 2 diabetes mellitus in adult patients with atopic dermatitis. Diabetes Res Clin Pract. 2023;110883 (Aug 16). doi: 10.1016/j.diabres.2023.110883

Key clinical point: Tralokinumab is well tolerated and effective in older adults with moderate-to-severe atopic dermatitis (AD).

Major finding: Compared with the placebo group, a significantly higher proportion of patients in ECZTRA 1 and 2 achieved ≥ 75% improvement in the Eczema Area and Severity Index score (33.9% vs 4.76%; P < .001) and an Investigator’s Global Assessment 0 or 1 score (16.95% vs 0%; P < .001) in the tralokinumab group at week 16. The adverse event (AE) rate was comparable between the groups; however, fewer patients discontinued treatment due to AE in the tralokinumab vs placebo group (5.3% vs 6.9%).

Study details: Findings are from a post hoc analysis of ECZTRA 1, 2, and 3 trials and included 104 older patients (≥65 years) with AD who received tralokinumab (n = 75) or placebo (n = 29).

Disclosures: This study was supported by LEO Pharma. Two authors declared being employees of LEO Pharma. Some authors declared receiving grants, personal fees, or consulting fees from LEO Pharma and other sources.

Source: Merola JF et al. Safety and efficacy of tralokinumab in older adults with moderate-to-severe atopic dermatitis: A secondary analysis. JAMA Dermatol. 2023 (Aug 23). doi: 10.1001/jamadermatol.2023.2626

Key clinical point: Tralokinumab is well tolerated and effective in older adults with moderate-to-severe atopic dermatitis (AD).

Major finding: Compared with the placebo group, a significantly higher proportion of patients in ECZTRA 1 and 2 achieved ≥ 75% improvement in the Eczema Area and Severity Index score (33.9% vs 4.76%; P < .001) and an Investigator’s Global Assessment 0 or 1 score (16.95% vs 0%; P < .001) in the tralokinumab group at week 16. The adverse event (AE) rate was comparable between the groups; however, fewer patients discontinued treatment due to AE in the tralokinumab vs placebo group (5.3% vs 6.9%).

Study details: Findings are from a post hoc analysis of ECZTRA 1, 2, and 3 trials and included 104 older patients (≥65 years) with AD who received tralokinumab (n = 75) or placebo (n = 29).

Disclosures: This study was supported by LEO Pharma. Two authors declared being employees of LEO Pharma. Some authors declared receiving grants, personal fees, or consulting fees from LEO Pharma and other sources.

Source: Merola JF et al. Safety and efficacy of tralokinumab in older adults with moderate-to-severe atopic dermatitis: A secondary analysis. JAMA Dermatol. 2023 (Aug 23). doi: 10.1001/jamadermatol.2023.2626

Key clinical point: Tralokinumab is well tolerated and effective in older adults with moderate-to-severe atopic dermatitis (AD).

Major finding: Compared with the placebo group, a significantly higher proportion of patients in ECZTRA 1 and 2 achieved ≥ 75% improvement in the Eczema Area and Severity Index score (33.9% vs 4.76%; P < .001) and an Investigator’s Global Assessment 0 or 1 score (16.95% vs 0%; P < .001) in the tralokinumab group at week 16. The adverse event (AE) rate was comparable between the groups; however, fewer patients discontinued treatment due to AE in the tralokinumab vs placebo group (5.3% vs 6.9%).

Study details: Findings are from a post hoc analysis of ECZTRA 1, 2, and 3 trials and included 104 older patients (≥65 years) with AD who received tralokinumab (n = 75) or placebo (n = 29).

Disclosures: This study was supported by LEO Pharma. Two authors declared being employees of LEO Pharma. Some authors declared receiving grants, personal fees, or consulting fees from LEO Pharma and other sources.

Source: Merola JF et al. Safety and efficacy of tralokinumab in older adults with moderate-to-severe atopic dermatitis: A secondary analysis. JAMA Dermatol. 2023 (Aug 23). doi: 10.1001/jamadermatol.2023.2626

Key clinical point: Children and adults with atopic dermatitis (AD) have a significantly increased risk of developing inflammatory bowel disease (IBD), including Crohn’s disease (CD).

Major finding: Children with vs without AD had a significantly higher risk for IBD (adjusted HR [aHR] 1.44; 95% CI 1.31-1.58) and CD (aHR 1.74; 95% CI 1.54-1.97), but the risk for ulcerative colitis (UC; aHR 1.65; 95% CI 1.02-2.67) was higher only in children with severe AD. Adults with vs without AD had a significantly increased risk for IBD (aHR 1.34; 95% CI 1.27-1.40), CD (aHR 1.36; 95% CI 1.26-1.47), and UC (aHR 1.32; 95% CI 1.24-1.41).

Study details: This population-based cohort study matched children (n = 409,431; age < 18 years) and adults (n = 625,083) with AD with control children (n = 1,809,029) and adults (n = 2,678,888) without AD, respectively.

Disclosures: This study was supported by a contract from Pfizer Inc. Five authors declared receiving grants, personal fees, and fellowship funding from various sources, including Pfizer Inc.

Source: Chiesa Fuxench ZC et al. Risk of inflammatory bowel disease in patients with atopic dermatitis. JAMA Dermatol. 2023 (Aug 30). doi: 10.1001/jamadermatol.2023.2875

Key clinical point: Children and adults with atopic dermatitis (AD) have a significantly increased risk of developing inflammatory bowel disease (IBD), including Crohn’s disease (CD).

Major finding: Children with vs without AD had a significantly higher risk for IBD (adjusted HR [aHR] 1.44; 95% CI 1.31-1.58) and CD (aHR 1.74; 95% CI 1.54-1.97), but the risk for ulcerative colitis (UC; aHR 1.65; 95% CI 1.02-2.67) was higher only in children with severe AD. Adults with vs without AD had a significantly increased risk for IBD (aHR 1.34; 95% CI 1.27-1.40), CD (aHR 1.36; 95% CI 1.26-1.47), and UC (aHR 1.32; 95% CI 1.24-1.41).

Study details: This population-based cohort study matched children (n = 409,431; age < 18 years) and adults (n = 625,083) with AD with control children (n = 1,809,029) and adults (n = 2,678,888) without AD, respectively.

Disclosures: This study was supported by a contract from Pfizer Inc. Five authors declared receiving grants, personal fees, and fellowship funding from various sources, including Pfizer Inc.

Source: Chiesa Fuxench ZC et al. Risk of inflammatory bowel disease in patients with atopic dermatitis. JAMA Dermatol. 2023 (Aug 30). doi: 10.1001/jamadermatol.2023.2875

Key clinical point: Children and adults with atopic dermatitis (AD) have a significantly increased risk of developing inflammatory bowel disease (IBD), including Crohn’s disease (CD).

Major finding: Children with vs without AD had a significantly higher risk for IBD (adjusted HR [aHR] 1.44; 95% CI 1.31-1.58) and CD (aHR 1.74; 95% CI 1.54-1.97), but the risk for ulcerative colitis (UC; aHR 1.65; 95% CI 1.02-2.67) was higher only in children with severe AD. Adults with vs without AD had a significantly increased risk for IBD (aHR 1.34; 95% CI 1.27-1.40), CD (aHR 1.36; 95% CI 1.26-1.47), and UC (aHR 1.32; 95% CI 1.24-1.41).

Study details: This population-based cohort study matched children (n = 409,431; age < 18 years) and adults (n = 625,083) with AD with control children (n = 1,809,029) and adults (n = 2,678,888) without AD, respectively.

Disclosures: This study was supported by a contract from Pfizer Inc. Five authors declared receiving grants, personal fees, and fellowship funding from various sources, including Pfizer Inc.

Source: Chiesa Fuxench ZC et al. Risk of inflammatory bowel disease in patients with atopic dermatitis. JAMA Dermatol. 2023 (Aug 30). doi: 10.1001/jamadermatol.2023.2875

Key clinical point: Dupilumab significantly improved the overall sleep continuity and quality, itch, and other signs and symptoms of atopic dermatitis (AD) in patients with moderate-to-severe AD.

Major finding: At week 12, dupilumab vs placebo led to a significant improvement in the sleep Numeric Rating Scale (NRS), peak pruritus NRS, SCORing Atopic Dermatitis (SCORAD), SCORAD sleep visual analog scale, Eczema Area and Severity Index, Epworth Sleepiness Scale, and sleep-related impairment T-scores (all P < .001) and a lower overall treatment-emergent adverse event rate (56.7% vs 67.2%).

Study details: Findings are from the prospective phase 4 DUPISTAD study including patients with moderate-to-severe AD who were randomly assigned to receive 300 mg dupilumab every 2 weeks (n = 127) or placebo (n = 61).

Disclosures: This study was sponsored by Sanofi and Regeneron Pharmaceuticals Inc. Three authors declared being employees of and holding stocks or stock options in Sanofi or Regeneron. Other authors declared receiving grant support, travel grants, or speaker fees from or serving as principal investigators, advisory board members, or consultants for various sources.

Source: Merola JF et al. Dupilumab significantly improves sleep in adults with atopic dermatitis: Results from the 12-week placebo-controlled period of the 24-week phase 4 randomized double-blinded placebo-controlled DUPISTAD study. Br J Dermatol. 2023 (Aug 10). doi: 10.1093/bjd/ljad284

Key clinical point: Dupilumab significantly improved the overall sleep continuity and quality, itch, and other signs and symptoms of atopic dermatitis (AD) in patients with moderate-to-severe AD.

Major finding: At week 12, dupilumab vs placebo led to a significant improvement in the sleep Numeric Rating Scale (NRS), peak pruritus NRS, SCORing Atopic Dermatitis (SCORAD), SCORAD sleep visual analog scale, Eczema Area and Severity Index, Epworth Sleepiness Scale, and sleep-related impairment T-scores (all P < .001) and a lower overall treatment-emergent adverse event rate (56.7% vs 67.2%).

Study details: Findings are from the prospective phase 4 DUPISTAD study including patients with moderate-to-severe AD who were randomly assigned to receive 300 mg dupilumab every 2 weeks (n = 127) or placebo (n = 61).

Disclosures: This study was sponsored by Sanofi and Regeneron Pharmaceuticals Inc. Three authors declared being employees of and holding stocks or stock options in Sanofi or Regeneron. Other authors declared receiving grant support, travel grants, or speaker fees from or serving as principal investigators, advisory board members, or consultants for various sources.

Source: Merola JF et al. Dupilumab significantly improves sleep in adults with atopic dermatitis: Results from the 12-week placebo-controlled period of the 24-week phase 4 randomized double-blinded placebo-controlled DUPISTAD study. Br J Dermatol. 2023 (Aug 10). doi: 10.1093/bjd/ljad284

Key clinical point: Dupilumab significantly improved the overall sleep continuity and quality, itch, and other signs and symptoms of atopic dermatitis (AD) in patients with moderate-to-severe AD.

Major finding: At week 12, dupilumab vs placebo led to a significant improvement in the sleep Numeric Rating Scale (NRS), peak pruritus NRS, SCORing Atopic Dermatitis (SCORAD), SCORAD sleep visual analog scale, Eczema Area and Severity Index, Epworth Sleepiness Scale, and sleep-related impairment T-scores (all P < .001) and a lower overall treatment-emergent adverse event rate (56.7% vs 67.2%).

Study details: Findings are from the prospective phase 4 DUPISTAD study including patients with moderate-to-severe AD who were randomly assigned to receive 300 mg dupilumab every 2 weeks (n = 127) or placebo (n = 61).

Disclosures: This study was sponsored by Sanofi and Regeneron Pharmaceuticals Inc. Three authors declared being employees of and holding stocks or stock options in Sanofi or Regeneron. Other authors declared receiving grant support, travel grants, or speaker fees from or serving as principal investigators, advisory board members, or consultants for various sources.

Source: Merola JF et al. Dupilumab significantly improves sleep in adults with atopic dermatitis: Results from the 12-week placebo-controlled period of the 24-week phase 4 randomized double-blinded placebo-controlled DUPISTAD study. Br J Dermatol. 2023 (Aug 10). doi: 10.1093/bjd/ljad284

Arcutis Biotherapeutics has submitted a supplemental New Drug Application (sNDA) to the Food and Drug Administration for roflumilast cream 0.15% for the treatment of mild to moderate atopic dermatitis (AD) in adults and children aged 6 years and older.

Roflumilast cream 0.3% (Zoryve) is currently approved by the FDA for the topical treatment of plaque psoriasis, including intertriginous areas, in patients 12 years of age and older. Submission of the sNDA is based on positive results from the Interventional Trial Evaluating Roflumilast Cream for the Treatment of Atopic Dermatitis (INTEGUMENT-1 and INTEGUMENT-2) trials; two identical Phase 3, vehicle-controlled trials in which roflumilast cream 0.15% or vehicle was applied once daily for 4 weeks to individuals 6 years of age and older with mild to moderate AD involving at least 3% body surface area. Roflumilast is a phosphodiesterase-4 (PDE-4) inhibitor.

According to a press release from Arcutis, both studies met the primary endpoint of IGA Success, which was defined as a validated Investigator Global Assessment – Atopic Dermatitis (vIGA-AD) score of ‘clear’ or ‘almost clear’ plus a 2-grade improvement from baseline at week 4. In INTEGUMENT-1 this endpoint was achieved by 32.0% of subjects in the roflumilast cream group vs. 15.2% of those in the vehicle group (P < .0001). In INTEGUMENT-2, this endpoint was achieved by 28.9% of subjects in the roflumilast cream group vs. 12.0% of those in the vehicle group (P < .0001). The most common adverse reactions based on data from the combined trials were headache (2.9%), nausea (1.9%), application-site pain (1.5%), diarrhea (1.5%), and vomiting (1.5%).

Arcutis Biotherapeutics has submitted a supplemental New Drug Application (sNDA) to the Food and Drug Administration for roflumilast cream 0.15% for the treatment of mild to moderate atopic dermatitis (AD) in adults and children aged 6 years and older.

Roflumilast cream 0.3% (Zoryve) is currently approved by the FDA for the topical treatment of plaque psoriasis, including intertriginous areas, in patients 12 years of age and older. Submission of the sNDA is based on positive results from the Interventional Trial Evaluating Roflumilast Cream for the Treatment of Atopic Dermatitis (INTEGUMENT-1 and INTEGUMENT-2) trials; two identical Phase 3, vehicle-controlled trials in which roflumilast cream 0.15% or vehicle was applied once daily for 4 weeks to individuals 6 years of age and older with mild to moderate AD involving at least 3% body surface area. Roflumilast is a phosphodiesterase-4 (PDE-4) inhibitor.

According to a press release from Arcutis, both studies met the primary endpoint of IGA Success, which was defined as a validated Investigator Global Assessment – Atopic Dermatitis (vIGA-AD) score of ‘clear’ or ‘almost clear’ plus a 2-grade improvement from baseline at week 4. In INTEGUMENT-1 this endpoint was achieved by 32.0% of subjects in the roflumilast cream group vs. 15.2% of those in the vehicle group (P < .0001). In INTEGUMENT-2, this endpoint was achieved by 28.9% of subjects in the roflumilast cream group vs. 12.0% of those in the vehicle group (P < .0001). The most common adverse reactions based on data from the combined trials were headache (2.9%), nausea (1.9%), application-site pain (1.5%), diarrhea (1.5%), and vomiting (1.5%).

Arcutis Biotherapeutics has submitted a supplemental New Drug Application (sNDA) to the Food and Drug Administration for roflumilast cream 0.15% for the treatment of mild to moderate atopic dermatitis (AD) in adults and children aged 6 years and older.

Roflumilast cream 0.3% (Zoryve) is currently approved by the FDA for the topical treatment of plaque psoriasis, including intertriginous areas, in patients 12 years of age and older. Submission of the sNDA is based on positive results from the Interventional Trial Evaluating Roflumilast Cream for the Treatment of Atopic Dermatitis (INTEGUMENT-1 and INTEGUMENT-2) trials; two identical Phase 3, vehicle-controlled trials in which roflumilast cream 0.15% or vehicle was applied once daily for 4 weeks to individuals 6 years of age and older with mild to moderate AD involving at least 3% body surface area. Roflumilast is a phosphodiesterase-4 (PDE-4) inhibitor.

According to a press release from Arcutis, both studies met the primary endpoint of IGA Success, which was defined as a validated Investigator Global Assessment – Atopic Dermatitis (vIGA-AD) score of ‘clear’ or ‘almost clear’ plus a 2-grade improvement from baseline at week 4. In INTEGUMENT-1 this endpoint was achieved by 32.0% of subjects in the roflumilast cream group vs. 15.2% of those in the vehicle group (P < .0001). In INTEGUMENT-2, this endpoint was achieved by 28.9% of subjects in the roflumilast cream group vs. 12.0% of those in the vehicle group (P < .0001). The most common adverse reactions based on data from the combined trials were headache (2.9%), nausea (1.9%), application-site pain (1.5%), diarrhea (1.5%), and vomiting (1.5%).

Almonds and almond oil are known to exhibit anti-inflammatory, antihepatotoxicity, and immunity-boosting activity.¹ The seed from the deciduous almond tree (Oleum amygdalae), which is native to Iran and parts of the Levant, almonds contain copious amounts of phenols and polyphenols, fatty acids, and vitamin E, all of which are known to exert antioxidant activity.^2-5 These seeds have been found to have a substantial impact on serum lipids.⁴ Emollient and sclerosant characteristics have also been linked to almond oil, which has been found to ameliorate complexion and skin tone.⁵ Significantly, in vitro and in vivo studies have shown that UVB-induced photoaging can be attenuated through the use of almond oil and almond skin extract.² Further, in traditional Chinese Medicine, Ayurveda, and ancient Greco-Persian medicine, almond oil was used to treat cutaneous conditions, including eczema and psoriasis.¹The focus of this column is to provide an update on the use of almonds and almond oil for skincare since covering the topic in July 2014.

Antiphotoaging activity

In 2019, Foolad and Vaughn conducted a prospective, investigator-blind, randomized controlled trial to determine the effects of almond consumption on facial sebum production and wrinkles. Participants (28 postmenopausal women with Fitzpatrick skin types I and II completed the study) consumed 20% of their daily energy intake in almonds or a calorie-matched snack over 16 weeks through the UC Davis Dermatology Clinic. Photographic analysis revealed that the almond group experienced significantly diminished wrinkle severity, compared with the control group. The investigators concluded that daily almond consumption has the potential to decrease wrinkle severity in postmenopausal women and that almonds may confer natural antiaging effects.⁴

In a similar investigation 2 years later, Rybak et al. reported on a prospective, randomized controlled study to ascertain the effects of almond consumption on photoaging in postmenopausal women with Fitzpatrick skin types I or II who obtained 20% of their daily energy consumption via almonds or a calorie-matched snack for 24 weeks. Results demonstrated significant effects conferred by almond consumption, with average wrinkle severity substantially diminished in the almond group at weeks 16 (by 15%) and 24 (by 16%), compared with baseline. In addition, facial pigment intensity was reduced by 20% in the almond group by week 16 and this was maintained through the end of the study. Further, sebum excretion was higher in the control group. The investigators concluded that the daily consumption of almonds may have the potential to enhance protection against photoaging, particularly in terms of facial wrinkles and pigment intensity, in postmenopausal women.³

Later in 2021, Li et al. conducted a study in 39 healthy Asian women (18-45 years old) with Fitzpatrick skin types II to IV to investigate the effects of almond consumption on UVB resistance. The researchers randomized participants to eat either 1.5 oz of almonds or 1.8 oz of pretzels daily for 12 weeks. Results showed that the minimal erythema dose was higher in the almond group as compared with the control group. No differences were observed in hydration, melanin, roughness, or sebum on facial skin. The authors concluded that daily oral almond intake may improve photoprotection by raising the minimal erythema dose.²

In a 2022 review on the cutaneous benefits of sweet almond, evening primrose, and jojoba oils, Blaak and Staib noted that all three have been used for hundreds if not thousands of years in traditional medicine to treat various conditions, including skin disorders. Further, they concluded that the longstanding uses of these oils has been borne out by contemporary data, which reveal cutaneous benefits for adult and young skin, particularly in bolstering stratum corneum integrity, recovery, and lipid ratio.⁶

Later that year, Sanju et al., reporting on the development and assessment of a broad-spectrum polyherbal sunscreen delivered through solid lipid nanoparticles, noted that almond oil was among the natural ingredients used because of its photoprotective characteristics. Overall, the sunscreen formulation, Safranal, was found to impart robust protection against UV radiation.⁷

Wound healing

In 2020, Borzou et al. conducted a single-blind randomized clinical trial to ascertain the impact of topical almond oil in preventing pressure injuries. Data collection occurred over 8 months in a hospital setting, with 108 patients randomly assigned to receive almond oil, placebo (liquid paraffin), or the control (standard of care). The researchers found that topically applied almond oil was linked to a lower incidence of pressure injuries, and they arose later in the study as compared with those injuries in the groups receiving paraffin or standard of care. Pressure injury incidence was 5.6% in the almond oil group, 13.9% in the placebo group, and 25.1% in the control group.⁸

That same year, Caglar et al. completed a randomized controlled trial in 90 preterm infants to assess the effects of sunflower seed oil and almond oil on the stratum corneum. Infants were randomly selected for treatment with either oil or control. A nurse researcher applied oils to the whole body except for the head and face four times daily for 5 days. Investigators determined that stratum corneum hydration was better in the oil groups as compared with control, with no difference found between sunflower seed and almond oils.⁹

Eczema, hand dermatitis, and striae

In 2018, Simon et al. performed a randomized, double-blind study to determine the short- and long-term effects of two emollients on pruritus and skin restoration in xerotic eczema. The emollients contained lactic acid and refined almond oil, with one also including polidocanol. Both emollients were effective in reducing the severity of itching, with skin moisture and lipid content found to have risen after the initial administration and yielding steady improvement over 2 weeks.¹⁰

Earlier that year, Zeichner et al. found that the use of an OTC sweet almond oil, rich in fatty acids and a standard-bearing treatment for eczema and psoriasis for centuries, was effective in treating hand dermatitis. Specifically, the moisturizer, which contained 7% sweet almond oil and 2% colloidal oatmeal, was identified as safe and effective in resolving moderate to severe hand dermatitis.¹¹

Some studies have also shown almond oil to be effective against striae gravidarum. Hajhashemi et al. conducted a double-blind clinical trial in 160 nulliparous women to compare the effects of aloe vera gel and sweet almond oil on striae gravidarum in 2018. Volunteers were randomly assigned to one of three case groups (Aloe vera, sweet almond oil, or base cream) who received topical treatment on the abdomen, or the fourth group, which received no treatment. Results showed that both treatment creams were effective in decreasing erythema and the pruritus associated with striae as well as in preventing their expansion.¹² Previously, Tashan and Kafkasli showed in a nonrandomized study that massage with bitter almond oil may diminish the visibility of present striae gravidarum and prevent the emergence of new striae.¹³

Conclusion

Almonds and almond oil have been used as food and in traditional medical practices dating back several centuries. In the last decade, intriguing results have emerged regarding the effects of almond consumption or topical almond oil administration on skin health. While much more research is necessary, the recent data seem to support the traditional uses of this tree seed for dermatologic purposes.

Dr. Baumann is a private practice dermatologist, researcher, author, and entrepreneur in Miami. She founded the division of cosmetic dermatology at the University of Miami in 1997. The third edition of her bestselling textbook, “Cosmetic Dermatology” (New York: McGraw Hill), was published in 2022. Dr. Baumann has received funding for advisory boards and/or clinical research trials from Allergan, Galderma, Johnson & Johnson, and Burt’s Bees. She is the CEO of Skin Type Solutions, a SaaS company used to generate skin care routines in office and as an e-commerce solution. Write to her at [email protected].

References

1. Ahmad Z. Complement Ther Clin Pract. 2010 Feb;16(1):10-2.

2. Li JN et al. J Cosmet Dermatol. 2021 Sep;20(9):2975-80.

3. Rybak I et al. Nutrients. 2021 Feb 27;13(3):785.

4. Foolad N et al. Phytother Res. 2019 Dec;33(12):3212-7.

5. Lin TK et al. Int J Mol Sci. 2017 Dec 27;19(1):70.

6. Blaak J, Staib P. Int J Cosmet Sci. 2022 Feb;44(1):1-9.

7. Sanju N et al. J Cosmet Dermatol. 2022 Oct;21(10):4433-46.

8. Borzou SR et al. J Wound Ostomy Continence Nurs. 2020 Jul/Aug;47(4):336-42.

9. Caglar S et al. Adv Skin Wound Care. 2020 Aug;33(8):1-6.

10. Simon D et al. Dermatol Ther. 2018 Nov;31(6):e12692.

11. Zeichner JA at al. J Drugs Dermatol. 2018 Jan 1;17(1):78-82.

12. Hajhashemi M et al. J Matern Fetal Neonatal Med. 2018 Jul;31(13):1703-8.

13. Timur Tashan S and Kafkasli A. J Clin Nurs. 2012 Jun;21(11-12):1570-6.
 

Almonds and almond oil are known to exhibit anti-inflammatory, antihepatotoxicity, and immunity-boosting activity.¹ The seed from the deciduous almond tree (Oleum amygdalae), which is native to Iran and parts of the Levant, almonds contain copious amounts of phenols and polyphenols, fatty acids, and vitamin E, all of which are known to exert antioxidant activity.^2-5 These seeds have been found to have a substantial impact on serum lipids.⁴ Emollient and sclerosant characteristics have also been linked to almond oil, which has been found to ameliorate complexion and skin tone.⁵ Significantly, in vitro and in vivo studies have shown that UVB-induced photoaging can be attenuated through the use of almond oil and almond skin extract.² Further, in traditional Chinese Medicine, Ayurveda, and ancient Greco-Persian medicine, almond oil was used to treat cutaneous conditions, including eczema and psoriasis.¹The focus of this column is to provide an update on the use of almonds and almond oil for skincare since covering the topic in July 2014.

Antiphotoaging activity

In 2019, Foolad and Vaughn conducted a prospective, investigator-blind, randomized controlled trial to determine the effects of almond consumption on facial sebum production and wrinkles. Participants (28 postmenopausal women with Fitzpatrick skin types I and II completed the study) consumed 20% of their daily energy intake in almonds or a calorie-matched snack over 16 weeks through the UC Davis Dermatology Clinic. Photographic analysis revealed that the almond group experienced significantly diminished wrinkle severity, compared with the control group. The investigators concluded that daily almond consumption has the potential to decrease wrinkle severity in postmenopausal women and that almonds may confer natural antiaging effects.⁴

In a similar investigation 2 years later, Rybak et al. reported on a prospective, randomized controlled study to ascertain the effects of almond consumption on photoaging in postmenopausal women with Fitzpatrick skin types I or II who obtained 20% of their daily energy consumption via almonds or a calorie-matched snack for 24 weeks. Results demonstrated significant effects conferred by almond consumption, with average wrinkle severity substantially diminished in the almond group at weeks 16 (by 15%) and 24 (by 16%), compared with baseline. In addition, facial pigment intensity was reduced by 20% in the almond group by week 16 and this was maintained through the end of the study. Further, sebum excretion was higher in the control group. The investigators concluded that the daily consumption of almonds may have the potential to enhance protection against photoaging, particularly in terms of facial wrinkles and pigment intensity, in postmenopausal women.³

Later in 2021, Li et al. conducted a study in 39 healthy Asian women (18-45 years old) with Fitzpatrick skin types II to IV to investigate the effects of almond consumption on UVB resistance. The researchers randomized participants to eat either 1.5 oz of almonds or 1.8 oz of pretzels daily for 12 weeks. Results showed that the minimal erythema dose was higher in the almond group as compared with the control group. No differences were observed in hydration, melanin, roughness, or sebum on facial skin. The authors concluded that daily oral almond intake may improve photoprotection by raising the minimal erythema dose.²

In a 2022 review on the cutaneous benefits of sweet almond, evening primrose, and jojoba oils, Blaak and Staib noted that all three have been used for hundreds if not thousands of years in traditional medicine to treat various conditions, including skin disorders. Further, they concluded that the longstanding uses of these oils has been borne out by contemporary data, which reveal cutaneous benefits for adult and young skin, particularly in bolstering stratum corneum integrity, recovery, and lipid ratio.⁶

Later that year, Sanju et al., reporting on the development and assessment of a broad-spectrum polyherbal sunscreen delivered through solid lipid nanoparticles, noted that almond oil was among the natural ingredients used because of its photoprotective characteristics. Overall, the sunscreen formulation, Safranal, was found to impart robust protection against UV radiation.⁷

Wound healing

In 2020, Borzou et al. conducted a single-blind randomized clinical trial to ascertain the impact of topical almond oil in preventing pressure injuries. Data collection occurred over 8 months in a hospital setting, with 108 patients randomly assigned to receive almond oil, placebo (liquid paraffin), or the control (standard of care). The researchers found that topically applied almond oil was linked to a lower incidence of pressure injuries, and they arose later in the study as compared with those injuries in the groups receiving paraffin or standard of care. Pressure injury incidence was 5.6% in the almond oil group, 13.9% in the placebo group, and 25.1% in the control group.⁸

That same year, Caglar et al. completed a randomized controlled trial in 90 preterm infants to assess the effects of sunflower seed oil and almond oil on the stratum corneum. Infants were randomly selected for treatment with either oil or control. A nurse researcher applied oils to the whole body except for the head and face four times daily for 5 days. Investigators determined that stratum corneum hydration was better in the oil groups as compared with control, with no difference found between sunflower seed and almond oils.⁹

Eczema, hand dermatitis, and striae

In 2018, Simon et al. performed a randomized, double-blind study to determine the short- and long-term effects of two emollients on pruritus and skin restoration in xerotic eczema. The emollients contained lactic acid and refined almond oil, with one also including polidocanol. Both emollients were effective in reducing the severity of itching, with skin moisture and lipid content found to have risen after the initial administration and yielding steady improvement over 2 weeks.¹⁰

Earlier that year, Zeichner et al. found that the use of an OTC sweet almond oil, rich in fatty acids and a standard-bearing treatment for eczema and psoriasis for centuries, was effective in treating hand dermatitis. Specifically, the moisturizer, which contained 7% sweet almond oil and 2% colloidal oatmeal, was identified as safe and effective in resolving moderate to severe hand dermatitis.¹¹

Some studies have also shown almond oil to be effective against striae gravidarum. Hajhashemi et al. conducted a double-blind clinical trial in 160 nulliparous women to compare the effects of aloe vera gel and sweet almond oil on striae gravidarum in 2018. Volunteers were randomly assigned to one of three case groups (Aloe vera, sweet almond oil, or base cream) who received topical treatment on the abdomen, or the fourth group, which received no treatment. Results showed that both treatment creams were effective in decreasing erythema and the pruritus associated with striae as well as in preventing their expansion.¹² Previously, Tashan and Kafkasli showed in a nonrandomized study that massage with bitter almond oil may diminish the visibility of present striae gravidarum and prevent the emergence of new striae.¹³

Conclusion

Almonds and almond oil have been used as food and in traditional medical practices dating back several centuries. In the last decade, intriguing results have emerged regarding the effects of almond consumption or topical almond oil administration on skin health. While much more research is necessary, the recent data seem to support the traditional uses of this tree seed for dermatologic purposes.

Dr. Baumann is a private practice dermatologist, researcher, author, and entrepreneur in Miami. She founded the division of cosmetic dermatology at the University of Miami in 1997. The third edition of her bestselling textbook, “Cosmetic Dermatology” (New York: McGraw Hill), was published in 2022. Dr. Baumann has received funding for advisory boards and/or clinical research trials from Allergan, Galderma, Johnson & Johnson, and Burt’s Bees. She is the CEO of Skin Type Solutions, a SaaS company used to generate skin care routines in office and as an e-commerce solution. Write to her at [email protected].

References

1. Ahmad Z. Complement Ther Clin Pract. 2010 Feb;16(1):10-2.

2. Li JN et al. J Cosmet Dermatol. 2021 Sep;20(9):2975-80.

3. Rybak I et al. Nutrients. 2021 Feb 27;13(3):785.

4. Foolad N et al. Phytother Res. 2019 Dec;33(12):3212-7.

5. Lin TK et al. Int J Mol Sci. 2017 Dec 27;19(1):70.

6. Blaak J, Staib P. Int J Cosmet Sci. 2022 Feb;44(1):1-9.

7. Sanju N et al. J Cosmet Dermatol. 2022 Oct;21(10):4433-46.

8. Borzou SR et al. J Wound Ostomy Continence Nurs. 2020 Jul/Aug;47(4):336-42.

9. Caglar S et al. Adv Skin Wound Care. 2020 Aug;33(8):1-6.

10. Simon D et al. Dermatol Ther. 2018 Nov;31(6):e12692.

11. Zeichner JA at al. J Drugs Dermatol. 2018 Jan 1;17(1):78-82.

12. Hajhashemi M et al. J Matern Fetal Neonatal Med. 2018 Jul;31(13):1703-8.

13. Timur Tashan S and Kafkasli A. J Clin Nurs. 2012 Jun;21(11-12):1570-6.
 

Almonds and almond oil are known to exhibit anti-inflammatory, antihepatotoxicity, and immunity-boosting activity.¹ The seed from the deciduous almond tree (Oleum amygdalae), which is native to Iran and parts of the Levant, almonds contain copious amounts of phenols and polyphenols, fatty acids, and vitamin E, all of which are known to exert antioxidant activity.^2-5 These seeds have been found to have a substantial impact on serum lipids.⁴ Emollient and sclerosant characteristics have also been linked to almond oil, which has been found to ameliorate complexion and skin tone.⁵ Significantly, in vitro and in vivo studies have shown that UVB-induced photoaging can be attenuated through the use of almond oil and almond skin extract.² Further, in traditional Chinese Medicine, Ayurveda, and ancient Greco-Persian medicine, almond oil was used to treat cutaneous conditions, including eczema and psoriasis.¹The focus of this column is to provide an update on the use of almonds and almond oil for skincare since covering the topic in July 2014.

Antiphotoaging activity

In 2019, Foolad and Vaughn conducted a prospective, investigator-blind, randomized controlled trial to determine the effects of almond consumption on facial sebum production and wrinkles. Participants (28 postmenopausal women with Fitzpatrick skin types I and II completed the study) consumed 20% of their daily energy intake in almonds or a calorie-matched snack over 16 weeks through the UC Davis Dermatology Clinic. Photographic analysis revealed that the almond group experienced significantly diminished wrinkle severity, compared with the control group. The investigators concluded that daily almond consumption has the potential to decrease wrinkle severity in postmenopausal women and that almonds may confer natural antiaging effects.⁴

In a similar investigation 2 years later, Rybak et al. reported on a prospective, randomized controlled study to ascertain the effects of almond consumption on photoaging in postmenopausal women with Fitzpatrick skin types I or II who obtained 20% of their daily energy consumption via almonds or a calorie-matched snack for 24 weeks. Results demonstrated significant effects conferred by almond consumption, with average wrinkle severity substantially diminished in the almond group at weeks 16 (by 15%) and 24 (by 16%), compared with baseline. In addition, facial pigment intensity was reduced by 20% in the almond group by week 16 and this was maintained through the end of the study. Further, sebum excretion was higher in the control group. The investigators concluded that the daily consumption of almonds may have the potential to enhance protection against photoaging, particularly in terms of facial wrinkles and pigment intensity, in postmenopausal women.³

Later in 2021, Li et al. conducted a study in 39 healthy Asian women (18-45 years old) with Fitzpatrick skin types II to IV to investigate the effects of almond consumption on UVB resistance. The researchers randomized participants to eat either 1.5 oz of almonds or 1.8 oz of pretzels daily for 12 weeks. Results showed that the minimal erythema dose was higher in the almond group as compared with the control group. No differences were observed in hydration, melanin, roughness, or sebum on facial skin. The authors concluded that daily oral almond intake may improve photoprotection by raising the minimal erythema dose.²

In a 2022 review on the cutaneous benefits of sweet almond, evening primrose, and jojoba oils, Blaak and Staib noted that all three have been used for hundreds if not thousands of years in traditional medicine to treat various conditions, including skin disorders. Further, they concluded that the longstanding uses of these oils has been borne out by contemporary data, which reveal cutaneous benefits for adult and young skin, particularly in bolstering stratum corneum integrity, recovery, and lipid ratio.⁶

Later that year, Sanju et al., reporting on the development and assessment of a broad-spectrum polyherbal sunscreen delivered through solid lipid nanoparticles, noted that almond oil was among the natural ingredients used because of its photoprotective characteristics. Overall, the sunscreen formulation, Safranal, was found to impart robust protection against UV radiation.⁷

Wound healing

In 2020, Borzou et al. conducted a single-blind randomized clinical trial to ascertain the impact of topical almond oil in preventing pressure injuries. Data collection occurred over 8 months in a hospital setting, with 108 patients randomly assigned to receive almond oil, placebo (liquid paraffin), or the control (standard of care). The researchers found that topically applied almond oil was linked to a lower incidence of pressure injuries, and they arose later in the study as compared with those injuries in the groups receiving paraffin or standard of care. Pressure injury incidence was 5.6% in the almond oil group, 13.9% in the placebo group, and 25.1% in the control group.⁸

That same year, Caglar et al. completed a randomized controlled trial in 90 preterm infants to assess the effects of sunflower seed oil and almond oil on the stratum corneum. Infants were randomly selected for treatment with either oil or control. A nurse researcher applied oils to the whole body except for the head and face four times daily for 5 days. Investigators determined that stratum corneum hydration was better in the oil groups as compared with control, with no difference found between sunflower seed and almond oils.⁹

Eczema, hand dermatitis, and striae

In 2018, Simon et al. performed a randomized, double-blind study to determine the short- and long-term effects of two emollients on pruritus and skin restoration in xerotic eczema. The emollients contained lactic acid and refined almond oil, with one also including polidocanol. Both emollients were effective in reducing the severity of itching, with skin moisture and lipid content found to have risen after the initial administration and yielding steady improvement over 2 weeks.¹⁰

Earlier that year, Zeichner et al. found that the use of an OTC sweet almond oil, rich in fatty acids and a standard-bearing treatment for eczema and psoriasis for centuries, was effective in treating hand dermatitis. Specifically, the moisturizer, which contained 7% sweet almond oil and 2% colloidal oatmeal, was identified as safe and effective in resolving moderate to severe hand dermatitis.¹¹

Some studies have also shown almond oil to be effective against striae gravidarum. Hajhashemi et al. conducted a double-blind clinical trial in 160 nulliparous women to compare the effects of aloe vera gel and sweet almond oil on striae gravidarum in 2018. Volunteers were randomly assigned to one of three case groups (Aloe vera, sweet almond oil, or base cream) who received topical treatment on the abdomen, or the fourth group, which received no treatment. Results showed that both treatment creams were effective in decreasing erythema and the pruritus associated with striae as well as in preventing their expansion.¹² Previously, Tashan and Kafkasli showed in a nonrandomized study that massage with bitter almond oil may diminish the visibility of present striae gravidarum and prevent the emergence of new striae.¹³

Conclusion

Almonds and almond oil have been used as food and in traditional medical practices dating back several centuries. In the last decade, intriguing results have emerged regarding the effects of almond consumption or topical almond oil administration on skin health. While much more research is necessary, the recent data seem to support the traditional uses of this tree seed for dermatologic purposes.

Dr. Baumann is a private practice dermatologist, researcher, author, and entrepreneur in Miami. She founded the division of cosmetic dermatology at the University of Miami in 1997. The third edition of her bestselling textbook, “Cosmetic Dermatology” (New York: McGraw Hill), was published in 2022. Dr. Baumann has received funding for advisory boards and/or clinical research trials from Allergan, Galderma, Johnson & Johnson, and Burt’s Bees. She is the CEO of Skin Type Solutions, a SaaS company used to generate skin care routines in office and as an e-commerce solution. Write to her at [email protected].

References

1. Ahmad Z. Complement Ther Clin Pract. 2010 Feb;16(1):10-2.

2. Li JN et al. J Cosmet Dermatol. 2021 Sep;20(9):2975-80.

3. Rybak I et al. Nutrients. 2021 Feb 27;13(3):785.

4. Foolad N et al. Phytother Res. 2019 Dec;33(12):3212-7.

5. Lin TK et al. Int J Mol Sci. 2017 Dec 27;19(1):70.

6. Blaak J, Staib P. Int J Cosmet Sci. 2022 Feb;44(1):1-9.

7. Sanju N et al. J Cosmet Dermatol. 2022 Oct;21(10):4433-46.

8. Borzou SR et al. J Wound Ostomy Continence Nurs. 2020 Jul/Aug;47(4):336-42.

9. Caglar S et al. Adv Skin Wound Care. 2020 Aug;33(8):1-6.

10. Simon D et al. Dermatol Ther. 2018 Nov;31(6):e12692.

11. Zeichner JA at al. J Drugs Dermatol. 2018 Jan 1;17(1):78-82.

12. Hajhashemi M et al. J Matern Fetal Neonatal Med. 2018 Jul;31(13):1703-8.

13. Timur Tashan S and Kafkasli A. J Clin Nurs. 2012 Jun;21(11-12):1570-6.