Dataset Information

Evaluation of Two Dosing Regimens for Nivolumab in Combination With Ipilimumab in Patients With Advanced Melanoma: Results From the Phase IIIb/IV CheckMate 511 Trial.

ABSTRACT: PURPOSE:Nivolumab 1 mg/kg plus ipilimumab 3 mg/kg (NIVO1+IPI3) is approved for first-line treatment of patients with advanced melanoma in several countries. We conducted a phase IIIb/IV study (CheckMate 511) to determine if nivolumab 3 mg/kg plus ipilimumab 1 mg/kg (NIVO3+IPI1) improves the safety profile of the combination. PATIENTS AND METHODS:Patients (N = 360) age 18 years or older with previously untreated, unresectable stage III or IV melanoma were randomly assigned 1:1 to NIVO3+IPI1 or NIVO1+IPI3 once every 3 weeks for four doses. After 6 weeks, all patients received NIVO 480 mg once every 4 weeks until disease progression or unacceptable toxicity. The primary end point was a comparison of the incidence of treatment-related grade 3 to 5 adverse events (AEs) between groups. Secondary end points included descriptive analyses of objective response rate, progression-free survival, and overall survival. The study was not designed to formally demonstrate noninferiority of NIVO3+IPI1 to NIVO1+IPI3 for efficacy end points. RESULTS:At a minimum follow-up of 12 months, incidence of treatment-related grade 3 to 5 AEs was 34% with NIVO3+IPI1 versus 48% with NIVO1+IPI3 ( P = .006). In descriptive analyses, objective response rate was 45.6% in the NIVO3+IPI1 group and 50.6% in the NIVO1+IPI3 group, with complete responses in 15.0% and 13.5% of patients, respectively. Median progression-free survival was 9.9 months in the NIVO3+IPI1 group and 8.9 months in the NIVO1+IPI3 group. Median overall survival was not reached in either group. CONCLUSION:The CheckMate 511 study met its primary end point, demonstrating a significantly lower incidence of treatment-related grade 3-5 AEs with NIVO3+IPI1 versus NIVO1+IPI3. Descriptive analyses showed that there were no meaningful differences between the groups for any efficacy end point, although longer follow up may help to better characterize efficacy outcomes.

SUBMITTER: Lebbe C

PROVIDER: S-EPMC6455714 | biostudies-literature | 2019 Apr

REPOSITORIES: biostudies-literature

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Evaluation of Two Dosing Regimens for Nivolumab in Combination With Ipilimumab in Patients With Advanced Melanoma: Results From the Phase IIIb/IV CheckMate 511 Trial.

Lebbé Celeste C Meyer Nicolas N Mortier Laurent L Marquez-Rodas Ivan I Robert Caroline C Rutkowski Piotr P Menzies Alexander M AM Eigentler Thomas T Ascierto Paolo A PA Smylie Michael M Schadendorf Dirk D Ajaz Mazhar M Svane Inge Marie IM Gonzalez Rene R Rollin Linda L Lord-Bessen Jennifer J Saci Abdel A Grigoryeva Elena E Pigozzo Jacopo J

Journal of clinical oncology : official journal of the American Society of Clinical Oncology 20190227 11

<h4>Purpose</h4>Nivolumab 1 mg/kg plus ipilimumab 3 mg/kg (NIVO1+IPI3) is approved for first-line treatment of patients with advanced melanoma in several countries. We conducted a phase IIIb/IV study (CheckMate 511) to determine if nivolumab 3 mg/kg plus ipilimumab 1 mg/kg (NIVO3+IPI1) improves the safety profile of the combination.<h4>Patients and methods</h4>Patients (N = 360) age 18 years or older with previously untreated, unresectable stage III or IV melanoma were randomly assigned 1:1 to N ...[more]

PMID: 30811280

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Project description:BackgroundNo meta-analysis has assessed the pooled frequencies of adverse events (AEs) induced by concomitant nivolumab plus ipilimumab regimen for anticancer-medications-naïve malignancies. Furthermore, no meta-analysis has compared detailed safety profiles between four doses of nivolumab 3 mg/kg plus ipilimumab 1 mg/kg every 3 weeks (N3I1) and four doses of nivolumab 1 mg/kg plus ipilimumab 3 mg/kg every 3 weeks (N1I3). Objectives of this study was estimating AE frequencies, and comparison of AE frequencies between N3I1 and N1I3 regimens.MethodsFour major electronic databases were searched; both interventional and observational studies were included. All primary cancer types were permitted. Patients should not have been previously treated with any anti-cancer medications. The frequency of AEs was pooled using a random-model meta-analysis using the generic inverse variance method. Protocol registration: UMIN000044090.ResultsForty articles representing 48 populations with 4,677 patients were included in the study. The pooled frequencies for key indicators were as follows: any AE, 81.3% (95% confidence interval (CI) 77.5-85.1); grade 3 or higher AE, 40.6% (95% CI: 35.7-45.5); serious AE, 32.7% (95% CI: 22.4-43.1); AE leading to discontinuation, 28.3% (95% CI: 23.7-32.8); and treatment-related death, 0.7% (95% CI: 0.4-1.1). AEs with the highest incidence were fatigue (27.9%, 95% CI: 22.6-33.3), followed by diarrhea (26.0%, 95% CI: 21.5-30.5), pruritus (24.6%, 95% CI: 20.3-28.8), rash (24.0% 95% CI: 19.3-28.7), and elevated aspartate aminotransferase (21.2%, 95% CI: 14.9-27.5). Subgroup analyses demonstrated that N3I1, compared to N1I3, less frequently induced any AE (N1I3 95.7%, N3I1 84.5%, p = 0.003), grade 3 or higher AE (N1I3 64.3%, N3I1 35.7%, p < 0.001), and serious AE (N1I3 61.4%, N3I1 47.8%, p = 0.004).ConclusionsApproximately 40% of patients had grade 3 or higher AE. The N3I1 regimen was substantiated to trigger fewer any AEs, high grade AEs, and serious AE than the N1I3 regimen.

Project description:ObjectivesThe non-randomised, open-label, phase IIIb/IV multicohort CheckMate 920 trial explored the safety and efficacy with a less frequent, but continual nivolumab plus ipilimumab (NIVO+IPI) dosing regimen (cohort 1) to determine whether this modification could potentially retain efficacy benefits while improving on the manageable safety profile previously observed with this combination in patients with advanced renal cell carcinoma (aRCC).SettingPatients were enrolled from 48 largely community-based sites in the USA.Participants106 patients with previously untreated, predominantly clear cell aRCC received treatment.InterventionsPatients received NIVO 6 mg/kg plus IPI 1 mg/kg on day 1 of the first week of each 8-week cycle; the combination alternated with NIVO 480 mg monotherapy on day 1 of the fifth week of each 8-week cycle. Treatment continued until disease progression, unacceptable toxicity, withdrawal of consent or study end. The maximum treatment duration was 2 years. The primary endpoint was the incidence of high-grade (grade 3/4 and grade 5) immune-mediated adverse events (IMAEs) within 100 days of the last dose. Select secondary endpoints included time to onset and resolution of high-grade IMAEs, progression-free survival (PFS) and objective response rate (ORR). The incidence of treatment-related adverse events and the overall survival (OS) were the exploratory endpoints.ResultsThe most common grade 3/4 IMAEs were diarrhoea/colitis (7.5%) and rash (6.6%) and no grade 5 IMAEs occurred, with a minimum follow-up of 28.5 months. The median PFS was 4.8 (95% CI 3.0 to 8.3) months, the ORR in evaluable patients (n=96) was 34.4% (95% CI 25.0 to 44.8), and the median OS was not reached (95% CI 24.8 months to not estimable).ConclusionsWhile no new safety signals were reported with less frequent, but continual NIVO+IPI dosing in CheckMate 920, the modified regimen was not associated with clinical benefits relative to the approved NIVO+IPI dose. These results support the continued use of the currently approved NIVO+IPI combination dosing schedule for patients with aRCC.Trial registration numberNCT02982954.

Project description:BackgroundMonoclonal antibodies targeting the cytotoxic T-lymphocyte-associated antigen 4 (CTLA4) (e.g., ipilimumab [IPI]) and the programmed cell death-1 (PD1) receptor (e.g., nivolumab [NIVO]) represent significant breakthroughs in the treatment of advanced melanoma. A combination of the 2 agents has demonstrated efficacy and survival benefits over NIVO or IPI monotherapy in treating advanced melanoma. We compared melanoma-specific costs following treatment with NIVO + IPI, NIVO monotherapy, or IPI monotherapy from the UK and German perspectives to ascertain whether these clinical benefits resulted in a cost advantage.MethodsPatient-level resource utilization data for the three treatment cohorts were obtained from the CheckMate 067 trial (NCT01844505). All melanoma-specific resources, including drugs (index, concomitant and subsequent melanoma medications), office visits, emergency room visits, hospitalizations, lab tests, procedures and surgeries, utilized over a 48-month evaluation period after start of index treatment were included. Unit costs specific to each geography were applied from external sources. Mean costs per surviving patients were calculated for each successive 30-day period from treatment start and aggregated over the evaluation period.ResultsThe total per-patient costs incurred by advanced melanoma patients over the 48-month period following treatment initiation with NIVO + IPI were 9% lower than NIVO monotherapy (£226k vs £248k) and 3% lower compared to IPI monotherapy (£226k vs. £233k) in the UK. In Germany, the total costs incurred by NIVO + IPI cohort were 5% lower than NIVO monotherapy (€258k vs €271k) and 4% lower compared to IPI monotherapy (€258k vs. €268k). Drug costs accounted for > 85% of total costs. Non-drug costs were slightly higher for NIVO + IPI and IPI monotherapy because of higher hospitalization rates. Costs incurred on subsequent drugs post progression were about 45% and 65% lower in NIVO + IPI cohort compared with NIVO and IPI monotherapy cohorts respectively.ConclusionsThe total costs incurred by a patient over a 48-month period following treatment initiation with NIVO + IPI are lower when compared with patients initiating monotherapies; further, the cost advantage is seen to be increasing over time. The clinical benefits offered by the regimen are thus supplemented by a cost advantage, as patients receiving either monotherapy treatment experience faster progression and, consequently, higher subsequent treatment costs. (Note: The cost results reported here are specific to the UK, and Germany, and may not be generalizable to other geographies).

Dataset Information

Evaluation of Two Dosing Regimens for Nivolumab in Combination With Ipilimumab in Patients With Advanced Melanoma: Results From the Phase IIIb/IV CheckMate 511 Trial.

Publications

Evaluation of Two Dosing Regimens for Nivolumab in Combination With Ipilimumab in Patients With Advanced Melanoma: Results From the Phase IIIb/IV CheckMate 511 Trial.

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