Dataset Information

Once-weekly (70 mg/m2 ) vs twice-weekly (56 mg/m2 ) dosing of carfilzomib in patients with relapsed or refractory multiple myeloma: A post hoc analysis of the ENDEAVOR, A.R.R.O.W., and CHAMPION-1 trials.

ABSTRACT: Combination of carfilzomib with dexamethasone (Kd) is approved for use in relapsed and/or refractory multiple myeloma (RRMM), with carfilzomib administered twice weekly at 56 mg/m2 (Kd56 BIW) or once weekly at 70 mg/m2 (Kd70 QW). Post hoc cross-trial comparisons were performed to compare efficacy and safety profiles of Kd70 QW vs Kd56 BIW dosing schedules using data from three trials of patients with RRMM: A.R.R.O.W., CHAMPION-1, and ENDEAVOR. To select for comparable patient populations, side-by-side efficacy and safety comparisons were performed in subgroups of patients with 2-3 prior lines of therapy who were not refractory to bortezomib. The overall response rate (ORR) was 69.9% (95% confidence interval [CI], 61.7-77.2) for Kd70 QW and 72.4% (95% CI, 65.9-78.2) for Kd56 BIW. Median progression-free survival (PFS) was 12.1 months (95% CI, 8.4-14.3) for Kd70 QW and 14.5 months (95% CI, 10.2-not evaluable) for Kd56 BIW. Frequency of grade ? 3 adverse events (AEs) was 67.6% for Kd70 QW and 85.3% for Kd56 BIW. Regression analyses (adjusting for prognostic factors) of all patients in the trials who received Kd70 QW vs Kd56 BIW estimated a PFS hazard ratio of 0.91 (95% CI, 0.69-1.19; P = .47) and an ORR odds ratio of 1.12 (95% CI, 0.74-1.69; P = .61). These results suggest that Kd70 QW has a comparable efficacy profile compared with Kd56 BIW and represents a convenient and well-tolerated treatment for patients with RRMM.

SUBMITTER: Moreau P

PROVIDER: S-EPMC7196059 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature

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Publications

Once-weekly (70 mg/m2 ) vs twice-weekly (56 mg/m2 ) dosing of carfilzomib in patients with relapsed or refractory multiple myeloma: A post hoc analysis of the ENDEAVOR, A.R.R.O.W., and CHAMPION-1 trials.

Moreau Philippe P Stewart Keith A KA Dimopoulos Meletios M Siegel David D Facon Thierry T Berenson James J Raje Noopur N Berdeja Jesus G JG Orlowski Robert Z RZ Yang Hui H Ma Haijun H Klippel Zandra Z Zahlten-Kumeli Anita A Mezzi Khalid K Iskander Karim K Mateos Maria-Victoria MV

Cancer medicine 20200228 9

Combination of carfilzomib with dexamethasone (Kd) is approved for use in relapsed and/or refractory multiple myeloma (RRMM), with carfilzomib administered twice weekly at 56 mg/m2 (Kd56 BIW) or once weekly at 70 mg/m2 (Kd70 QW). Post hoc cross-trial comparisons were performed to compare efficacy and safety profiles of Kd70 QW vs Kd56 BIW dosing schedules using data from three trials of patients with RRMM: A.R.R.O.W., CHAMPION-1, and ENDEAVOR. To select for comparable patie ...[more]

PMID: 32108443

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Project description:A 48-week, multicenter, randomized, double-blind, double-dummy, active-controlled, non-inferiority trial (the TWICE study) conducted in Japanese primary osteoporosis patients with a high risk of fractures demonstrated that a 28.2-?g twice-weekly regimen of teriparatide can provide comparable efficacy to a 56.5-?g once-weekly regimen of teriparatide, while also improving safety.IntroductionWhile a 56.5-?g once-weekly regimen of teriparatide has high efficacy for osteoporosis, treatment continuation rates are low, with one of the major causes being adverse drug reactions such as nausea or vomiting. The TWICE study was therefore conducted to investigate whether a twice-weekly regimen with 28.2-?g teriparatide can provide comparable efficacy to the 56.5-?g once-weekly regimen while improving safety.MethodsA 48-week, multicenter, randomized, double-blind, double-dummy, active-controlled, non-inferiority trial was conducted in Japan. Patients with primary osteoporosis aged ??65 years at high risk of fractures (n?=?553) were randomly allocated to the 28.2-?g twice-weekly group (n?=?277) or the 56.5-?g once-weekly group (n?=?276). The primary endpoint was the percentage change in lumbar spine (L2-L4) bone mineral density (BMD) at final follow-up.ResultsThe percentage changes in lumbar spine (L2-L4) BMD at final follow-up in the 28.2-?g twice-weekly and 56.5-?g once-weekly groups were 7.3% and 5.9%, respectively; the difference (95% confidence interval [CI]) in percentage change was 1.3% (0.400-2.283%). Since the lower limit of the 95% CI was above the pre-specified non-inferiority margin (-?1.6%), non-inferiority of the 28.2-?g twice-weekly group was demonstrated. Adverse drug reactions were significantly less frequent in the 28.2-?g twice-weekly group (39.7% vs 56.2%; p?<?0.01); the incidence of major adverse drug reactions was lower, and the number of subjects who discontinued due to adverse drug reactions was less in the 28.2-?g twice-weekly group.ConclusionsA 28.2-?g twice-weekly regimen of teriparatide can provide comparable efficacy to a 56.5-?g once-weekly regimen while improving safety.Clinical trial registrationJapicCTI-163477 .

Project description:Anaemia is a common complication of chronic kidney disease and prevalence increases with declining renal function. Renal anaemia has significant implications for the well-being and quality of life of patients and impacts on morbidity and mortality. Anaemia can be well managed by therapy with erythropoiesis-stimulating agents (ESAs). Previous clinical trials have shown that the only human cell-line-derived ESA, epoetin delta, is well tolerated and effective in maintaining haemoglobin levels in anaemic patients with chronic kidney disease. The half-life of epoetin delta suggests that administration of this agent is feasible once weekly and once every two weeks. We report on the design and rationale of a trial to compare once weekly vs. twice weekly, and once weekly vs. once every two weeks dosing of epoetin delta.This is a randomized, open-label, multicentre trial. Patients aged 18 years or above with chronic kidney disease (Stages 3-5) are eligible to enter this trial. Two groups of patients form the trial population, those naïve to ESA therapy and those previously stable on ESA therapy. There are two primary objectives of this trial: 1) to demonstrate non-inferiority between twice weekly and once weekly dosing of epoetin delta in previously naïve patients (assessed by haemoglobin at Week 24); 2) to demonstrate non-inferiority between once weekly and once every two weeks dosing in previously stable patients (assessed by average haemoglobin over Weeks 16-24). Among the secondary analyses will be assessments of haematocrit, number(%) of patients meeting predefined targets for haemoglobin and haematocrit levels, and comparisons of average dose. All patients will receive study medication for 24 weeks and dose will be adjusted according to a predefined algorithm to achieve and maintain haemoglobin >or= 11 g/dL. All patients completing this trial are eligible to enter a 2-year follow-up study to enable monitoring of emergent adverse events, anti-erythropoietin antibody responses, maintenance of efficacy and changes in diabetic retinopathy status.To our knowledge, this trial is the first to randomize ESA-naïve patients to different dosing regimens of the same ESA. Data generated will help in guiding the most appropriate dosing frequency for epoetin delta, particularly in those patients new to epoetin delta therapy.ClinicalTrials.gov: NCT00450333.

Dataset Information

Once-weekly (70 mg/m2 ) vs twice-weekly (56 mg/m2 ) dosing of carfilzomib in patients with relapsed or refractory multiple myeloma: A post hoc analysis of the ENDEAVOR, A.R.R.O.W., and CHAMPION-1 trials.

Publications

Once-weekly (70 mg/m<sup>2</sup> ) vs twice-weekly (56 mg/m<sup>2</sup> ) dosing of carfilzomib in patients with relapsed or refractory multiple myeloma: A post hoc analysis of the ENDEAVOR, A.R.R.O.W., and CHAMPION-1 trials.

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