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Key clinical point: Psoriatic arthritis (PsA) was positively associated with Crohn’s disease and genetically predicted Crohn’s disease was associated with an increased risk for PsA, indicating a bidirectional causal relationship between the 2 diseases.
Major finding: PsA was associated with a 31.9% increased risk for Crohn’s disease (odds ratio [OR] 1.319; P < .001) and genetically predicted Crohn’s disease was linked to a 44.8% higher risk for PsA (OR 1.448; P = .001).
Study details: Findings are from a bidirectional 2-sample mendelian randomization study including 4510 patients with psoriasis, 1637 patients with PsA, and 212,242 control individuals along with 657 patients with Crohn’s disease, 2251 patients with ulcerative colitis, and 210,300 control individuals.
Disclosures: This study did not report the source of funding. The authors declared no conflicts of interest.
Source: Sun Y et al. The causal relationship between psoriasis, psoriatic arthritis, and inflammatory bowel diseases. Sci Rep. 2022;12:20526 (Nov 28). Doi: 10.1038/s41598-022-24872-5
Key clinical point: Psoriatic arthritis (PsA) was positively associated with Crohn’s disease and genetically predicted Crohn’s disease was associated with an increased risk for PsA, indicating a bidirectional causal relationship between the 2 diseases.
Major finding: PsA was associated with a 31.9% increased risk for Crohn’s disease (odds ratio [OR] 1.319; P < .001) and genetically predicted Crohn’s disease was linked to a 44.8% higher risk for PsA (OR 1.448; P = .001).
Study details: Findings are from a bidirectional 2-sample mendelian randomization study including 4510 patients with psoriasis, 1637 patients with PsA, and 212,242 control individuals along with 657 patients with Crohn’s disease, 2251 patients with ulcerative colitis, and 210,300 control individuals.
Disclosures: This study did not report the source of funding. The authors declared no conflicts of interest.
Source: Sun Y et al. The causal relationship between psoriasis, psoriatic arthritis, and inflammatory bowel diseases. Sci Rep. 2022;12:20526 (Nov 28). Doi: 10.1038/s41598-022-24872-5
Key clinical point: Psoriatic arthritis (PsA) was positively associated with Crohn’s disease and genetically predicted Crohn’s disease was associated with an increased risk for PsA, indicating a bidirectional causal relationship between the 2 diseases.
Major finding: PsA was associated with a 31.9% increased risk for Crohn’s disease (odds ratio [OR] 1.319; P < .001) and genetically predicted Crohn’s disease was linked to a 44.8% higher risk for PsA (OR 1.448; P = .001).
Study details: Findings are from a bidirectional 2-sample mendelian randomization study including 4510 patients with psoriasis, 1637 patients with PsA, and 212,242 control individuals along with 657 patients with Crohn’s disease, 2251 patients with ulcerative colitis, and 210,300 control individuals.
Disclosures: This study did not report the source of funding. The authors declared no conflicts of interest.
Source: Sun Y et al. The causal relationship between psoriasis, psoriatic arthritis, and inflammatory bowel diseases. Sci Rep. 2022;12:20526 (Nov 28). Doi: 10.1038/s41598-022-24872-5