Effect of Doxorubicin Plus Olaratumab vs Doxorubicin Plus Placebo on Survival in Patients With Advanced Soft Tissue Sarcomas: The ANNOUNCE Randomized Clinical Trial.
Abstract | Importance: Objective: Design, Setting, and Participants: ANNOUNCE was a confirmatory, phase 3, double-blind, randomized trial conducted at 110 sites in 25 countries from September 2015 to December 2018; the final date of follow-up was December 5, 2018. Eligible patients were anthracycline-naive adults with unresectable locally advanced or metastatic STS, an Eastern Cooperative Oncology Group performance status of 0 to 1, and cardiac ejection fraction of 50% or greater. Interventions: Patients were randomized 1:1 to receive doxorubicin, 75 mg/m2 (day 1), combined with olaratumab (n = 258), 20 mg/kg in cycle 1 and 15 mg/kg in subsequent cycles, or placebo (n = 251) on days 1 and 8 for up to 8 21-day cycles, followed by olaratumab/placebo monotherapy. Main Outcomes and Measures: Results: Among the 509 patients randomized (mean age, 56.9 years; 58.2% women; 46.0% with LMS), all were included in the primary analysis and had a median length of follow-up of 31 months. No statistically significant difference in overall survival was observed between the doxorubicin plus olaratumab group vs the doxorubicin plus placebo group in either population (total STS: hazard ratio, 1.05 [95% CI, 0.84-1.30], P = .69, median overall survival, 20.4 months vs 19.7 months; LMS: hazard ratio, 0.95 [95% CI, 0.69-1.31], P = .76, median overall survival, 21.6 months vs 21.9 months). Adverse events of grade 3 or greater reported in 15% or more of total patients with STS were neutropenia (46.3% vs 49.0%), leukopenia (23.3% vs 23.7%), and febrile neutropenia (17.5% vs 16.5%). Conclusions and Relevance: In this phase 3 clinical trial of patients with advanced STS, treatment with doxorubicin plus olaratumab vs doxorubicin plus placebo resulted in no significant difference in overall survival. The findings did not confirm the overall survival benefit observed in the phase 2 trial. Trial Registration: ClinicalTrials.gov Identifier: NCT02451943.
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Authors | William D Tap, Andrew J Wagner, Patrick Schöffski, Javier Martin-Broto, Anders Krarup-Hansen, Kristen N Ganjoo, Chueh-Chuan Yen, Albiruni R Abdul Razak, Alexander Spira, Akira Kawai, Axel Le Cesne, Brian A Van Tine, Yoichi Naito, Se Hoon Park, Alexander Fedenko, Zsuzsanna Pápai, Victoria Soldatenkova, Ashwin Shahir, Gary Mo, Jennifer Wright, Robin L Jones, ANNOUNCE Investigators |
Journal | JAMA
(JAMA)
Vol. 323
Issue 13
Pg. 1266-1276
(04 07 2020)
ISSN: 1538-3598 [Electronic] United States |
PMID | 32259228
(Publication Type: Clinical Trial, Phase III, Comparative Study, Journal Article, Multicenter Study, Randomized Controlled Trial, Research Support, Non-U.S. Gov't)
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Chemical References |
- Antibiotics, Antineoplastic
- Antibodies, Monoclonal
- Placebos
- Doxorubicin
- olaratumab
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Topics |
- Adult
- Aged
- Aged, 80 and over
- Antibiotics, Antineoplastic
(administration & dosage, adverse effects)
- Antibodies, Monoclonal
(administration & dosage, adverse effects)
- Antineoplastic Combined Chemotherapy Protocols
(adverse effects, therapeutic use)
- Double-Blind Method
- Doxorubicin
(administration & dosage, adverse effects)
- Drug Administration Schedule
- Female
- Humans
- Male
- Middle Aged
- Placebos
(therapeutic use)
- Proportional Hazards Models
- Sarcoma
(drug therapy, mortality, secondary)
- Survival Analysis
- Young Adult
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