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Safety, correlative markers, and clinical results of adjuvant nivolumab in combination with vaccine in resected high-risk metastatic melanoma.

ABSTRACT: The anti-programmed death-1 (PD-1) antibody nivolumab (BMS-936558) has clinical activity in patients with metastatic melanoma. Nivolumab plus vaccine was investigated as adjuvant therapy in resected stage IIIC and IV melanoma patients.HLA-A*0201 positive patients with HMB-45, NY-ESO-1, and/or MART-1 positive resected tumors received nivolumab (1 mg/kg, 3 mg/kg, or 10 mg/kg i.v.) with a multi-peptide vaccine (gp100, MART-1, and NY-ESO-1 with Montanide ISA 51 VG) every 2 weeks for 12 doses followed by nivolumab maintenance every 12 weeks for 8 doses. Primary objective was safety and determination of a maximum tolerated dose (MTD). Secondary objectives included relapse-free survival (RFS), overall survival (OS), and immunologic correlative studies.Thirty-three patients were enrolled. Median age was 47 years; 55% were male. Two patients had stage IIIC disease; 31 patients had stage IV disease. Median follow-up was 32.1 months. MTD was not reached. Most common related adverse events (>40%) were vaccine injection site reaction, fatigue, rash, pruritus, nausea, and arthralgias. Five related grade 3 adverse events [hypokalemia (1), rash (1), enteritis (1), and colitis (2)] were observed. Ten of 33 patients relapsed. Estimated median RFS was 47.1 months; median OS was not reached. Increases in CTLA-4(+)/CD4(+), CD25(+)Treg/CD4(+), and tetramer specific CD8(+) T-cell populations were observed with treatment (P < 0.05). Trends for lower baseline myeloid-derived suppressor cell and CD25(+)Treg/CD4(+) populations were seen in nonrelapsing patients; PD-L1 tumor status was not significantly associated with RFS.Nivolumab with vaccine is well tolerated as adjuvant therapy and demonstrates immunologic activity with promising survival in high-risk resected melanoma, justifying further study.

SUBMITTER: Gibney GT

PROVIDER: S-EPMC4620684 | biostudies-literature | 2015 Feb

REPOSITORIES: biostudies-literature

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Safety, correlative markers, and clinical results of adjuvant nivolumab in combination with vaccine in resected high-risk metastatic melanoma.

Gibney Geoffrey T GT Kudchadkar Ragini R RR DeConti Ronald C RC Thebeau Melissa S MS Czupryn Maria P MP Tetteh Leticia L Eysmans Cabell C Richards Allison A Schell Michael J MJ Fisher Kate J KJ Horak Christine E CE Inzunza H David HD Yu Bin B Martinez Alberto J AJ Younos Ibrahim I Weber Jeffrey S JS

Clinical cancer research : an official journal of the American Association for Cancer Research 20141218 4

<h4>Purpose</h4>The anti-programmed death-1 (PD-1) antibody nivolumab (BMS-936558) has clinical activity in patients with metastatic melanoma. Nivolumab plus vaccine was investigated as adjuvant therapy in resected stage IIIC and IV melanoma patients.<h4>Experimental design</h4>HLA-A*0201 positive patients with HMB-45, NY-ESO-1, and/or MART-1 positive resected tumors received nivolumab (1 mg/kg, 3 mg/kg, or 10 mg/kg i.v.) with a multi-peptide vaccine (gp100, MART-1, and NY-ESO-1 with Montanide I ...[more]

PMID: 25524312

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Project description:IntroductionImmunotherapy has revolutionized metastatic Melanoma therapy. The most active regimen is combination therapy of Ipilimumab-Nivolumab (Ipi-Nivo) with response rates (RR) of ~60% and median overall survival (OS) of ~6 years. Immune-related adverse events (irAE) are common (~60% develop grade 3-4) and pose a challenge when treating frail patients. We sought to examine whether Ipi-Nivo therapy is feasible in elderly metastatic melanoma patients.MethodsElectronic records of patients treated at the Ella Lemelbaum Institute with Ipi-Nivo between the years 2017-2021 were screened for age. Elderly patients were defined as age 75 and older (group A) and were matched with records of patients age <75 (group B). Records were analyzed for baseline parameters, immunotherapy regimen, RR, toxicity and progression-free survival (PFS).ResultsTwenty-six relevant patients age >75 (median 77) were identified and were matched to 34 younger patients (median age 57). No statistically significant differences were noted in terms of baseline parameters except for BRAF mutation status (group A 15%, group B 47%, p=0.008). Response rate in group A was 38% and is consistent with previously published data. Median PFS was the same for both groups (A = 5.5 months, B= 7.5 months, p=NS). Treatment was similarly tolerated: 35% of group A patients completed 4 cycles of therapy compared to 28% for group B (p=NS). Grade 2-4 irAE were the same (A=58%, B=66%, p=NS) and there was no difference in the need for hospitalization for G3-4 events between the groups. (A=63%, B=69%, p=NS). Further division into 4 age groups (>80 vs 75-79 in group A and 65-74 vs <65 in group B) found no difference in terms of response rate or G3-4 toxicity.ConclusionIpilimumab-Nivolumab combination therapy in elderly metastatic Melanoma patients seems to be well tolerated and efficient in selected elderly patients based on performance status and comorbidities, just as in younger patients. This regimen seems to be a feasible treatment option for this age group.

Project description:INTRODUCTION:Nivolumab has been approved in patients with melanoma with lymph node involvement or metastatic disease who have undergone complete resection, in the adjuvant setting. A pivotal trial compared nivolumab with ipilimumab; however, no head-to-head trial exists comparing nivolumab to observation, a common comparator in the adjuvant setting. Here, we compared the efficacy and cost-effectiveness of nivolumab with observation or ipilimumab as adjuvant therapies in resected stage IIIB/C melanoma. METHODS:Patient data were pooled from the EORTC 18071 and CheckMate 238 trials using propensity score weighting and adjusting for cross-trial differences. Number needed to treat (NNT) and costs per recurrence-free life-month (RFLM) at 12, 16, 18, and 24 months (as data allowed) were estimated. Costs included drug acquisition, administration costs, and direct medical costs. Sensitivity analyses including patients with stage IIIB/C and resected stage IV melanoma were conducted. RESULTS:A total of 1287 patients (278 nivolumab, 365 observation, and 644 ipilimumab) with resected stage IIIB/C melanoma were pooled. NNTs to achieve one additional recurrence-free survivor with nivolumab versus observation were 3.93 at 12 months and 3.42 at 24 months; NNTs for nivolumab versus ipilimumab were 7.97 at 12 months and 6.43 at 24 months. Mean drug costs per RFLM were lower for nivolumab at 12, 18, and 24 months, respectively (nivolumab: $13,447, $9462, and $7370; ipilimumab: $52,734, $40,484, and $33,875). Mean medical costs per RFLM were the lowest for nivolumab versus observation or ipilimumab at 12 months ($449 versus $674 or $1531) and 16 months ($383 versus $808 or $1316). The sensitivity analysis results were consistent with the base case. CONCLUSION:For resected melanoma, adjuvant nivolumab is both clinically effective and cost-effective compared with observation or ipilimumab. Adjuvant nivolumab was associated with a lower drug cost per RFLM compared with ipilimumab, and a lower medical cost compared with observation. Future analyses incorporating long-term follow-up data may help increase understanding of the economic impact of nivolumab in the adjuvant setting. FUNDING:Bristol-Myers Squibb Company.

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Safety, correlative markers, and clinical results of adjuvant nivolumab in combination with vaccine in resected high-risk metastatic melanoma.

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Safety, correlative markers, and clinical results of adjuvant nivolumab in combination with vaccine in resected high-risk metastatic melanoma.

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