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TP53 mutations identified a phenotypically distinct and aggressive form of mantle cell lymphoma (MCL) that did not respond to standard-of-care treatments, according to results from 183 patients younger than 66 years from the Nordic MCL2 and MCL3 trials.
, and that patients with the mutations should be considered for experimental trials of novel agents, wrote Christian W. Eskelund of the department of hematology at Rigshospitalet, Copenhagen, and colleagues. 
The researchers collected DNA from the Nordic MCL2 and MCL3 trials and 183 samples were of sufficient quality for genetic analyses. They examined the prognostic value of eight recurrently mutated and two recurrently deleted genes. Only TP53 mutations showed an independent prognostic effect for overall survival (hazard ratio 6.2; P less than .0001) in multivariate Cox regression analyses.
“Our data show that TP53 mutations identify a unique MCL subtype associated with high-risk baseline characteristics, dismal response to standard treatment, and poor clinical outcome,” the researchers wrote.
Read the full study in Blood (2017 Oct 26;130[17]:1903-10).
[email protected]
On Twitter @maryellenny
TP53 mutations identified a phenotypically distinct and aggressive form of mantle cell lymphoma (MCL) that did not respond to standard-of-care treatments, according to results from 183 patients younger than 66 years from the Nordic MCL2 and MCL3 trials.
, and that patients with the mutations should be considered for experimental trials of novel agents, wrote Christian W. Eskelund of the department of hematology at Rigshospitalet, Copenhagen, and colleagues.
The researchers collected DNA from the Nordic MCL2 and MCL3 trials and 183 samples were of sufficient quality for genetic analyses. They examined the prognostic value of eight recurrently mutated and two recurrently deleted genes. Only TP53 mutations showed an independent prognostic effect for overall survival (hazard ratio 6.2; P less than .0001) in multivariate Cox regression analyses.
“Our data show that TP53 mutations identify a unique MCL subtype associated with high-risk baseline characteristics, dismal response to standard treatment, and poor clinical outcome,” the researchers wrote.
Read the full study in Blood (2017 Oct 26;130[17]:1903-10).
[email protected]
On Twitter @maryellenny
TP53 mutations identified a phenotypically distinct and aggressive form of mantle cell lymphoma (MCL) that did not respond to standard-of-care treatments, according to results from 183 patients younger than 66 years from the Nordic MCL2 and MCL3 trials.
, and that patients with the mutations should be considered for experimental trials of novel agents, wrote Christian W. Eskelund of the department of hematology at Rigshospitalet, Copenhagen, and colleagues.
The researchers collected DNA from the Nordic MCL2 and MCL3 trials and 183 samples were of sufficient quality for genetic analyses. They examined the prognostic value of eight recurrently mutated and two recurrently deleted genes. Only TP53 mutations showed an independent prognostic effect for overall survival (hazard ratio 6.2; P less than .0001) in multivariate Cox regression analyses.
“Our data show that TP53 mutations identify a unique MCL subtype associated with high-risk baseline characteristics, dismal response to standard treatment, and poor clinical outcome,” the researchers wrote.
Read the full study in Blood (2017 Oct 26;130[17]:1903-10).
[email protected]
On Twitter @maryellenny
FROM BLOOD