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Extended dose ipilimumab with a peptide vaccine: immune correlates associated with clinical benefit in patients with resected high-risk stage IIIc/IV melanoma.

ABSTRACT: To determine safety and feasibility of adjuvant ipilimumab following resection of high-risk melanoma and to identify surrogate markers for benefit.In this phase II trial, 75 patients with resected stage IIIc/IV melanoma received the CTLA-4 antibody ipilimumab every 6 to 8 weeks for 1 year. Eligible patients received further maintenance treatments. The first 25 patients received 3 mg/kg of ipilimumab, and an additional 50 patients received 10 mg/kg. HLA-A*0201+ patients received multipeptide immunizations in combination with ipilimumab. Leukapheresis was performed prior to and 6 months after initiation of treatment.Median overall and relapse-free survivals were not reached after a median follow-up of 29.5 months. Significant immune-related adverse events were observed in 28 of 75 patients and were positively associated with longer relapse-free survival. Antigen-specific T cell responses to vaccine were variable, and vaccine combination was not associated with additional benefit. No effects on T regulatory cells were observed. Higher changes in Th-17 inducible frequency were a surrogate marker of freedom from relapse (P = 0.047), and higher baseline C-reactive protein (CRP) levels were associated with freedom from relapse (P = 0.035).Adjuvant ipilimumab following resection of melanoma at high risk for relapse appeared to be associated with improved outcome compared to historical reports. Significant immune-related adverse events were generally reversible and appeared to be associated with improved relapse-free survival. Although vaccination failed to induce a consistent in vitro measurable response, a higher change in Th-17 inducible cells and higher baseline CRP levels were positively associated with freedom from relapse.

SUBMITTER: Sarnaik AA

PROVIDER: S-EPMC3041838 | biostudies-literature | 2011 Feb

REPOSITORIES: biostudies-literature

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Extended dose ipilimumab with a peptide vaccine: immune correlates associated with clinical benefit in patients with resected high-risk stage IIIc/IV melanoma.

Sarnaik Amod A AA Yu Bin B Yu Daohai D Morelli Dawn D Hall Maclean M Bogle Dilip D Yan Lulu L Targan Stephan S Solomon Jolie J Nichol Geoff G Yellin Michael M Weber Jeffrey S JS

Clinical cancer research : an official journal of the American Association for Cancer Research 20101124 4

<h4>Purpose</h4>To determine safety and feasibility of adjuvant ipilimumab following resection of high-risk melanoma and to identify surrogate markers for benefit.<h4>Experimental design</h4>In this phase II trial, 75 patients with resected stage IIIc/IV melanoma received the CTLA-4 antibody ipilimumab every 6 to 8 weeks for 1 year. Eligible patients received further maintenance treatments. The first 25 patients received 3 mg/kg of ipilimumab, and an additional 50 patients received 10 mg/kg. HLA ...[more]

PMID: 21106722

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Project description:BackgroundMelanoma in people of Asian descent presents primarily in non-sun-exposed areas, such as acral and mucosal melanoma. Compared with the predominant sun-exposed area melanomas in Caucasians, acral and mucosal melanomas do not respond as well to immunotherapy and are associated with a worse prognosis. Hence, there is an urgent need for improved treatment for melanoma in Asians. This phase Ib trial evaluated the safety and efficacy of the modified herpes simplex virus-1 oncolytic virus OrienX010 in Chinese patients with unresectable stage IIIC-IV melanoma.MethodsPatients were treated in two different cohorts. In cohort 08 (n=12), patients received up to 5 mL of 8×107 pfu/mL OrienX010 intratumoral injections every 2 weeks until disease progression and responses were evaluated every 6 weeks. In cohort 09 (n=14), patients received up to 10 mL of 8×107 pfu/mL OrienX010 intratumoral injections and responses were evaluated every 8 weeks.ResultsBetween June 2014 and May 2017, 26 patients were enrolled, including 18 (69.2%) patients with acral melanoma. Fever and injection site reaction were the most frequent adverse events. Only one patient experienced a grade ≥3 adverse event and no dose-limiting toxicities were observed. The objective response rate was 19.2% and the disease control rate was 53.8%. The median duration of response was 6.0 months. Antitumor effects were observed in 54.6% of injected lesions and 48.8% of non-injected lesions, including one (16.7%) of six evaluable distant lung metastases. The median progression-free survival was 2.9 months and overall survival was 19.2 months. Compared with patients treated in cohort 08, patients treated in cohort 09 had an improved objective response rate (28.6% vs 8.3%) and a median progression-free survival of 3.0 months vs 2.8 months.ConclusionsOrienX010 oncolytic virotherapy has a tolerable safety profile with antitumor effects in both injected and non-injected metastases and warrants further evaluation in patients with melanoma. Based on these results, the higher cohort 09 dose (up to 10 mL of 8×107 pfu/mL every 2 weeks) was selected as the recommended phase II dose for ongoing trials.Trial registration numberCTR20140631 (cohort 08), CTR20150881 (cohort 09).

Project description:BackgroundIn an international, randomized Phase III trial ipilimumab demonstrated a significant overall survival benefit in previously treated advanced melanoma patients. This report summarizes health-related quality of life (HRQL) outcomes for ipilimumab with/without gp100 vaccine compared to gp100 alone during the clinical trial's 12 week treatment induction period.MethodsThe Phase III clinical trial (MDX010-20) was a double-blind, fixed dose study in 676 previously treated advanced unresectable stage III or IV melanoma patients. Patients were randomized 3:1:1 to receive either ipilimumab (3 mg/kg q3w x 4 doses) + gp100 (peptide vaccine; 1 mg q3w x 4 doses; ipilimumab plus gp100, n = 403); gp100 vaccine + placebo (gp100 alone, n = 136); or ipilimumab + placebo (ipilimumab alone, n = 137). The European Organization for Research and Treatment of Cancer Quality of Life Questionnaire (EORTC QLQ-C30) assessed HRQL. Baseline to Week 12 changes in EORTC QLQ-C30 function, global health status, and symptom scores were analyzed for ipilimumab with/without gp100 vaccine compared to gp100 alone. Mean change in scores were categorized "no change" (0-5), "a little" (5-10 points), "moderate" (10-20 points), and "very much" (>20).ResultsIn the ipilimumab plus gp100 and ipilimumab alone groups, mean changes from baseline to Week 12 generally indicated "no change" or "a little" impairment across EORTC QLQ-C30 global health status, function, and symptom subscales. Significant differences in constipation, favoring ipilimumab, were observed (p < 0.05). For ipilimumab alone arm, subscales with no or a little impairment were physical, emotional, cognitive, social function, global health, nausea, pain, dyspnea, constipation, and diarrhea subscales. For the gp100 alone group, the observed changes were moderate to large for global health, role function, fatigue, and for pain.ConclusionsIpilimumab with/without gp100 vaccine does not have a significant negative HRQL impact during the treatment induction phase relative to gp100 alone in stage III or IV melanoma patients.Trial registrationClinicaltrials.gov identification number NCT00094653.

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Extended dose ipilimumab with a peptide vaccine: immune correlates associated with clinical benefit in patients with resected high-risk stage IIIc/IV melanoma.

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Extended dose ipilimumab with a peptide vaccine: immune correlates associated with clinical benefit in patients with resected high-risk stage IIIc/IV melanoma.

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