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Pembrolizumab or placebo with chemoradiotherapy followed by pembrolizumab or placebo for newly diagnosed, high-risk, locally advanced cervical cancer (ENGOT-cx11/GOG-3047/KEYNOTE-A18): overall survival results from a randomised, double-blind, placebo-controlled, phase 3 trial

D. Lorusso, Y. Xiang, K. Hasegawa, G. Scambia, M. Leiva, P. Ramos-Elias, A. Acevedo, J. Cvek, L. Randall, AJ. Pereira de Santana Gomes, F. Contreras Mejía, L. Helpman, H. Akıllı, JY. Lee, V. Saevets, F. Zagouri, L. Gilbert, J. Sehouli, E....

. 2024 ; 404 (10460) : 1321-1332. [pub] 20240914

Language English Country England, Great Britain

Document type Journal Article, Randomized Controlled Trial, Clinical Trial, Phase III, Multicenter Study

E-resources Online Full text

NLK ProQuest Central from 1992-01-04 to 3 months ago
Nursing & Allied Health Database (ProQuest) from 1992-01-04 to 3 months ago
Health & Medicine (ProQuest) from 1992-01-04 to 3 months ago
Family Health Database (ProQuest) from 1992-01-04 to 3 months ago
Psychology Database (ProQuest) from 1992-01-04 to 3 months ago
Health Management Database (ProQuest) from 1992-01-04 to 3 months ago
Public Health Database (ProQuest) from 1992-01-04 to 3 months ago

BACKGROUND: At the first interim analysis of the phase 3 ENGOT-cx11/GOG-3047/KEYNOTE-A18 study, the addition of pembrolizumab to chemoradiotherapy provided a statistically significant and clinically meaningful improvement in progression-free survival in patients with locally advanced cervical cancer. We report the overall survival results from the second interim analysis of this study. METHODS: Eligible patients with newly diagnosed, high-risk (FIGO 2014 stage IB2-IIB with node-positive disease or stage III-IVA regardless of nodal status), locally advanced, histologically confirmed, squamous cell carcinoma, adenocarcinoma, or adenosquamous cervical cancer were randomly assigned 1:1 to receive five cycles of pembrolizumab (200 mg) or placebo every 3 weeks with concurrent chemoradiotherapy, followed by 15 cycles of pembrolizumab (400 mg) or placebo every 6 weeks. Pembrolizumab or placebo and cisplatin were administered intravenously. Patients were stratified at randomisation by planned external beam radiotherapy type (intensity-modulated radiotherapy [IMRT] or volumetric-modulated arc therapy [VMAT] vs non-IMRT or non-VMAT), cervical cancer stage at screening (FIGO 2014 stage IB2-IIB node positive vs III-IVA), and planned total radiotherapy (external beam radiotherapy plus brachytherapy) dose (<70 Gy vs ≥70 Gy [equivalent dose of 2 Gy]). Primary endpoints were progression-free survival per RECIST 1.1 by investigator or by histopathological confirmation of suspected disease progression and overall survival defined as the time from randomisation to death due to any cause. Safety was a secondary endpoint. FINDINGS: Between June 9, 2020, and Dec 15, 2022, 1060 patients at 176 sites in 30 countries across Asia, Australia, Europe, North America, and South America were randomly assigned to treatment, with 529 patients in the pembrolizumab-chemoradiotherapy group and 531 patients in the placebo-chemoradiotherapy group. At the protocol-specified second interim analysis (data cutoff Jan 8, 2024), median follow-up was 29·9 months (IQR 23·3-34·3). Median overall survival was not reached in either group; 36-month overall survival was 82·6% (95% CI 78·4-86·1) in the pembrolizumab-chemoradiotherapy group and 74·8% (70·1-78·8) in the placebo-chemoradiotherapy group. The hazard ratio for death was 0·67 (95% CI 0·50-0·90; p=0·0040), meeting the protocol-specified primary objective. 413 (78%) of 528 patients in the pembrolizumab-chemoradiotherapy group and 371 (70%) of 530 in the placebo-chemoradiotherapy group had a grade 3 or higher adverse event, with anaemia, white blood cell count decreased, and neutrophil count decreased being the most common adverse events. Potentially immune-mediated adverse events occurred in 206 (39%) of 528 patients in the pembrolizumab-chemoradiotherapy group and 90 (17%) of 530 patients in the placebo-chemoradiotherapy group. This study is registered with ClinicalTrials.gov, NCT04221945. INTERPRETATION: Pembrolizumab plus chemoradiotherapy significantly improved overall survival in patients with locally advanced cervical cancer These data, together with results from the first interim analysis, support this immuno-chemoradiotherapy strategy as a new standard of care for this population. FUNDING: Merck Sharp & Dohme, a subsidiary of Merck & Co.

AGO Austria Innsbruck Austria

Clinical Therapeutics Alexandra Hospital Athens Greece

Department of Gynecological Oncology Oslo University Hospital and the Institute of Clinical Medicine University of Oslo Oslo Norway

Department of Gynecology Charite Universitaetsmedizin Berlin Germany

Department of Internal Medicine Hematology and Oncology University Hospital Brno and Faculty of Medicine Masaryk University Brno Czech Republic

Department of Obstetrics and Gynecology Ehime University Hospital Toon Ehime Japan

Department of Obstetrics and Gynecology MacKay Memorial Hospital Taipei Taiwan

Department of Obstetrics and Gynecology Medical University of Graz Graz Austria

Department of Obstetrics and Gynecology Peking Union Medical College Hospital National Clinical Research Center for Obstetric and Gynecologic Diseases Beijing China

Department of Obstetrics and Gynecology Saitama Medical University International Medical Center Hidaka Saitama Japan

Department of Obstetrics and Gynecology University of Milan Bicocca and European Institute of Oncology IRCCS Milan Italy

Department of Oncology University of Ostrava North Moravia Czech Republic

Department of Oncology Xiangya Hospital Central South University Hunan China

Department of Radiation Oncology University Hospitals Leuven Leuven Belgium

Department of Urology and Gynecology Istituto Nazionale Tumori IRCCS Fondazione G Pascale Napoli Italy

Division of Gynecologic Oncology McGill University Health Centre Research Institute McGill University Health Centre Gerald Bronfman Department of Oncology McGill University Montreal QC Canada

Division of Radiation Oncology Department of Radiology Faculty of Medicine Chiang Mai University Chiang Mai Thailand

Gynaecological Oncology Chelyabinsk Regional Clinical Center for Oncology and Nuclear Medicine Chelyabinsk Russia

Gynaecology Oncology Unit Fondazione Policlinico Universitario A Gemelli IRCCS Rome Italy

Gynaecology Oncology Unit Humanitas San Pio 10 Milan Italy

Gynecologic Oncology Virginia Commonwealth University Massey Comprehensive Cancer Center Richmond VA USA

Gynelogic Oncology University of Virginia School of Medicine Charlottesville VA USA

Medical Oncology Service Vall d'Hebron Institute of Oncology Vall d'Hebron Barcelona Hospital Campus Barcelona Spain

Meir Medical Center Sackler School of Medicine Tel Aviv University Kfar Saba Israel

Merck and Co Rahway NJ USA

Nordic Society of Gynaecological Oncology Clinical Trial Unit Rigshospitalet Copenhagen University Hospital Copenhagen Denmark

North Eastern German Society of Gynecological Oncology Berlin Germany

Oncocentro Valparaiso Chile

Oncología Clínica Instituto Nacional de Cancerologia Bogota Colombia

Oncologia Clínica Liga Norte Riograndense Contra o Cancer Natal Rio Grande do Norte Brazil

Oncología Médica Instituto Peruano de Oncología y Radioterapia Lima Perú

Oncología Médica Integra Cancer Institute Edificio Integra Medical Center Guatemala City Guatemala

Scientific Directorate Fondazione Policlinico Universitario Agostino Gemelli IRCCS and Catholic University of the Sacred Heart Rome Italy

Turkish Society of Gynecologic Oncology Başkent University Ankara Turkiye

Yonsei Cancer Center and Severance Hospital Yonsei University College of Medicine Seoul South Korea

References provided by Crossref.org

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