Frontline brentuximab vedotin as monotherapy or in combination for older Hodgkin lymphoma patients.
Abstract No : 8032
Abstract Type : Poster Discussion Session
Indication : Hodgkin’s Lymphoma (HL)
Intervention : Brentuximab vedotin
Company : Seattle Genetics
Technology : ADC
Results:
Demographic characteristics were generally similar: median age 78, 69, 75, and 72 yr in Parts A, B, C, and D, respectively, and 62% of patients (range 45%–70%) reported impaired physical functioning at baseline. Most patients had disease stage III/IV (62%, 68%, 75%, 80%), were ECOG 0/1 (77%, 74%, 80%, 95%), and male (54%, 68%, 50%, 75%). Median time from diagnosis was 1.2 to 1.5 mo (FAS; 10 Jan 2019 data cutoff). ORR were high (92%, 100%, 100%, 95%) at a median follow-up of 59.4, 58.6, 51.3, and 19.4 mo in the EE data set. Median OS in the FAS set was 77.5 mo with monotherapy; 64.0, 46.9, and not reached in the combination parts. Treatment-related AE ≥ Grade 3 occurred in 50%, 37%, 70%, and 60% of patients; peripheral neuropathy (PN) was most common (35%, 26%, 20%, 35%). Treatment-related SAEs occurred in 12%, 11%, 40%, and 5% of patients. Part C enrollment (BV+benda) closed early due to multiple acute toxicities. There were no treatment-related deaths in any part of the study. The median treatment cycles per patient were 8.0, 12.0, 5.0, and 14.5. Treatment discontinuation due to related AEs occurred in 42%, 42%, 40%, and 30% of patients, most commonly due to PN (38%, 37%, 30%, 20%).
Conclusion:
Older patients with cHL and multiple comorbidities have very high response rates with BV as monotherapy or combined with other single agents and improved tolerability versus combination chemotherapy. Median overall survival exceeded 6 yr with BV monotherapy. BV+nivo or BV+DTIC appeared to be the most reasonable combination treatment options in this study.
Commentary:
BV combination with bendamustine not recommended due to safety issues in elderly; BV monotherapy well tolerated, combinations under further assessment as treatment option.
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