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Efficacy and Safety of Idelalisib in Combination With Bendamustine and Rituximab in Adults With Previously Untreated Chronic Lymphocytic Leukemia

Phase 3
Terminated
Conditions
Chronic Lymphocytic Leukemia
Interventions
Registration Number
NCT01980888
Lead Sponsor
Gilead Sciences
Brief Summary

The primary objective of this study is to evaluate the progression-free survival in participants with previously untreated chronic lymphocytic leukemia (CLL) who would otherwise be suitable for bendamustine and rituximab treatment as standard of care.

An increased rate of deaths and serious adverse events (SAEs) among participants with front-line CLL and early-line indolent non-Hodgkin lymphoma (iNHL) treated with idelalisib in combination with standard therapies was observed by the independent data monitoring committee (DMC) during regular review of 3 Gilead Phase 3 studies. Gilead reviewed the unblinded data and terminated this study in agreement with the DMC recommendation and in consultation with the US Food and Drug Administration (FDA).

Detailed Description

Not available

Recruitment & Eligibility

Status
TERMINATED
Sex
All
Target Recruitment
311
Inclusion Criteria
  • Documented diagnosis of B-cell CLL, with diagnosis established according to International Workshop on Chronic Lymphocytic Leukemia (IWCLL)
  • No prior therapy for CLL other than corticosteroids for disease complications
  • CLL that warrants treatment
  • Presence of measurable lymphadenopathy
  • Eastern Cooperative Oncology Group (ECOG) performance status of ≤ 2

Key

Exclusion Criteria
  • Known histological transformation from CLL to an aggressive lymphoma (ie, Richter transformation)
  • Known presence of myelodysplastic syndrome
  • Evidence of ongoing systemic bacterial, fungal, or viral infection at the time of randomization
  • Ongoing liver injury
  • History of non-infectious pneumonitis
  • Ongoing inflammatory bowel disease
  • History of prior allogeneic bone marrow progenitor cell or solid organ transplantation
  • Ongoing immunosuppressive therapy other than corticosteroids
  • Received last dose of study drug on another therapeutic clinical trial within 30 days prior to randomization

Note: Other protocol defined Inclusion/Exclusion criteria may apply.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Placebo+bendamustine+rituximabRituximabParticipants will receive placebo to match idelalisib for 96 weeks plus bendamustine+rituximab for 21 weeks.
Idelalisib+bendamustine+rituximabBendamustineParticipants will receive idelalisib for 96 weeks plus bendamustine+rituximab for 21 weeks.
Placebo+bendamustine+rituximabPlaceboParticipants will receive placebo to match idelalisib for 96 weeks plus bendamustine+rituximab for 21 weeks.
Idelalisib+bendamustine+rituximabIdelalisibParticipants will receive idelalisib for 96 weeks plus bendamustine+rituximab for 21 weeks.
Placebo+bendamustine+rituximabBendamustineParticipants will receive placebo to match idelalisib for 96 weeks plus bendamustine+rituximab for 21 weeks.
Idelalisib+bendamustine+rituximabRituximabParticipants will receive idelalisib for 96 weeks plus bendamustine+rituximab for 21 weeks.
Primary Outcome Measures
NameTimeMethod
Progression-Free SurvivalUp to 22 months

Progression-free survival (PFS) is defined as the interval from randomization to the first documentation of definitive disease progression or death from any cause. Definitive disease progression is CLL progression based on standard criteria, excluding lymphocytosis alone. PFS was to be assessed by an independent review committee (IRC).

Secondary Outcome Measures
NameTimeMethod
Overall Response RateUp to 22 months

Overall response rate (ORR) is defined as the proportion of participants who achieve a confirmed complete or partial response. ORR was to be assessed by an IRC.

Minimal Residual Disease Negativity Rate at Week 36Up to 22 months

Minimal residual disease (MRD) negativity rate is defined as the proportion of participants with MRD \< 10\^-4 assessed by flow cytometry in bone marrow at Week 36 after therapy initiation or at least 12 weeks after the last dose of rituximab or bendamustine (whichever is later) for participants receiving the final dose of rituximab after the original scheduled date. MRD negativity rate was to be assessed by an IRC.

Overall SurvivalUp to 22 months

Overall survival is defined as the interval from randomization to death from any cause. Overall survival was to be assessed by an IRC.

Nodal Response RateUp to 22 months

Nodal response rate is defined as the proportion of participants who achieve a 50% decrease from baseline in the sum of the products of the greatest perpendicular diameters of index lesions. Nodal response rate was to be assessed by an IRC.

Complete Response RateUp to 22 months

Complete response rate is defined as the proportion of participants who achieve a confirmed complete response. Complete response rate was to be assessed by an IRC.

Trial Locations

Locations (90)

Fred Hutchinson Cancer Research Center

🇺🇸

Seattle, Washington, United States

Cancercare Manitoba - Maccharles Unit

🇨🇦

Winnipeg, Manitoba, Canada

Franciscan Physician Network Oncology & Hematology

🇺🇸

Indianapolis, Indiana, United States

Comprehensive Cancer Centers of Nevada

🇺🇸

Las Vegas, Nevada, United States

Utah Cancer Specialists

🇺🇸

Salt Lake City, Utah, United States

Sarah Cannon Research Institute

🇺🇸

Nashville, Tennessee, United States

University of Rochester

🇺🇸

Rochester, New York, United States

Barwon Health, University Hospital Geelong

🇦🇺

Geelong, Victoria, Australia

Klinicka bolnica Merkur

🇭🇷

Zagreb, Croatia

East Kent Hospitals University NHS Foundation Trust

🇬🇧

Canterbury, Kent, United Kingdom

Emergency County Clinical Hospital Brasov

🇷🇴

Brasov, Romania

Georgetown University

🇺🇸

Washington, District of Columbia, United States

University of Debrecen HSC Institute of internal Medicine, Department of Hematology

🇭🇺

Debrecen, Hungary

Uniwersyteckie Centrum Kliniczne

🇵🇱

Gdańsk, Pomorskie, Poland

Wojewodzki Szpital Specjalistyczny im. M. Kopernika Klinika Hematologii

🇵🇱

Lodz, Poland

St. Jude Heritage Healthcare Virginia K. Crosson Cancer Center

🇺🇸

Fullerton, California, United States

Florida Cancer Specialists-South

🇺🇸

Sarasota, Florida, United States

Central Coast Medical Oncology

🇺🇸

Santa Maria, California, United States

Memorial Healthcare System

🇺🇸

Hollywood, Florida, United States

Siouxland Hematology-Oncology Associates, LLP

🇺🇸

Sioux City, Iowa, United States

Gabrail Cancer Center Research

🇺🇸

Canton, Ohio, United States

Hematology /Oncology Associates of Northern New Jersey

🇺🇸

Morristown, New Jersey, United States

Columbia University Medical Center

🇺🇸

New York, New York, United States

Texas Oncology-Austin Midtown

🇺🇸

Austin, Texas, United States

Signal Point Clinical Research Center

🇺🇸

Middletown, Ohio, United States

Saint Francis Hospital

🇺🇸

Greenville, South Carolina, United States

Texas Oncology-Baylor Charles A. Sammons Cancer Center

🇺🇸

Dallas, Texas, United States

St Vincent's Hospital, Sydney

🇦🇺

Darlinghurst, New South Wales, Australia

Calvary Mater Newcastle

🇦🇺

Waratah, New South Wales, Australia

Flinders Medical Centre, Department of Haematology, Level 6

🇦🇺

Bedford Park, South Australia, Australia

Queen Elizabeth Hospital

🇦🇺

Woodville South, South Australia, Australia

Frankston Hospital

🇦🇺

Frankston, Victoria, Australia

AZ Sint-Jan AV Brugge-Oostende

🇧🇪

Brugge, Belgium

Sunnybrook Health Sciences Centre

🇨🇦

Toronto, Ontario, Canada

Z N A Stuivenberg

🇧🇪

Antwerpen, Belgium

University Hospital Leuven

🇧🇪

Leuven, Belgium

Princess Margaret Cancer Centre

🇨🇦

Toronto, Ontario, Canada

Hôpital du Sacré-Coeur de Montréal

🇨🇦

Montréal, Quebec, Canada

Klinicka bolnica Dubrava

🇭🇷

Zagreb, Croatia

Faculty hospital Ostrava

🇨🇿

Ostrava-Poruba, Moravian-Silesian, Czechia

CHU de Québec - Hôpital de l'Enfant-Jésus

🇨🇦

Quebec City, Quebec, Canada

Szent Borbála Hospital

🇭🇺

Tatabánya, Komárom - Esztergom, Hungary

UHC Zagreb

🇭🇷

Zagreb, Croatia

Faculty Hospital Hradec Kralove

🇨🇿

Hradec Kralove, Czechia

CHRU de Lille, Hopital Claude Huriez

🇫🇷

Lille, France

University Hospital

🇨🇿

Brno, Czechia

Kaposi Mor Oktato Korhaz, Intezeti Gyogyszertar,

🇭🇺

Kaposvar, Somogy, Hungary

Faculty Hospital Kralovske Vinohrady

🇨🇿

Prague 10, Czechia

CHU Bretonneau

🇫🇷

Tours, France

Hospital Saint-Louis

🇫🇷

Paris, France

Faculty Hospital Plzen

🇨🇿

Plzen, Czechia

Ospedale San Raffaele

🇮🇹

Milan, Italy

Semmelweis University

🇭🇺

Budapest, Hungary

National Institute of Oncology

🇭🇺

Budapest, Hungary

Szegedi Tudomanyegyetem AOK - Szent-Gyorgyi Albert Klinikai Kozpont, II. Belgyógyászati Klinika

🇭🇺

Szeged, Hungary

Azienda Ospedaliero Universitaria Policlinico di Modena

🇮🇹

Modena, Italy

University Of Pecs, Medical School

🇭🇺

Pecs, Hungary

Pandy Kalman Hospital

🇭🇺

Gyula, Hungary

IRCCS Istituto Tumori

🇮🇹

Bari, Puglia, Italy

Ospedale Oncologico Armando Businco

🇮🇹

Cagliari, Italy

Malopolskie Centrum Medyczne s.c.

🇵🇱

Krakow, Poland

Centralny Szpital Kliniczny MSW w Warszawie Klinika Onkologii i Hematologii

🇵🇱

Warsaw, Poland

AOU Maggiore della Carità

🇮🇹

Novara, Italy

Centrum Onkologii-Instytut Marii Sklodowskiej -Curie klinika Nowotworow Ukladu Chlonnego

🇵🇱

Warszawa, Poland

Dolnoslakie Centrum Transplantacji Komorkowych z Krajowym Bankiem Dawcow Szpiku

🇵🇱

Wroclaw, Poland

Samodzielny Publiczny Szpital Kliniczny nr 1 we Wroclawiu Klinika i Katedra Hematologii,Nowotworow Krwi i Transplantacji Szpiku

🇵🇱

Wroclaw, Poland

Hospital Vall de Hebron

🇪🇸

Barcelona, Cataluña, Spain

Hospital de la Santa Creu i Sant Pau

🇪🇸

Barcelona, Spain

Hospital Clinic

🇪🇸

Barcelona, Cataluña, Spain

Spitalul Clinic Colentina

🇷🇴

Bucharest, Romania

ICO, Hospitalet de Llobregat

🇪🇸

Barcelona, Spain

Hospital Universitario Ramón Y Cajal

🇪🇸

Madrid, Spain

Hospital Universitario La Princesa

🇪🇸

Madrid, Spain

Hospital Gregorio Marañon

🇪🇸

Madrid, Spain

Hospital Universitario Puerta De Hierro

🇪🇸

Madrid, Spain

Hospital 12 de Octubre

🇪🇸

Madrid, Spain

University Hospital of Wales

🇬🇧

Cardiff, United Kingdom

University Hospital Southampton NHS Trust

🇬🇧

Southampton, United Kingdom

Hammersmith Hospitals NHS Trust

🇬🇧

London, United Kingdom

Royal Marsden NHS Trust

🇬🇧

Sutton, Surrey, United Kingdom

Oxford University Hospitals

🇬🇧

Oxford, United Kingdom

Royal Wolverhampton Hospital NHS Trust, New Cross Hospital

🇬🇧

Wolverhampton, United Kingdom

Royal Liverpool & Broadgreen Univ. Hospitals NHS Trust

🇬🇧

Liverpool, United Kingdom

Jarrett Street Specialist Centre

🇦🇺

North Gosford, New South Wales, Australia

Haematology and Bone Marrow Transplant Unit, Royal Adelaide Hospital

🇦🇺

Adelaide, South Australia, Australia

UCSD Moores Cancer Center

🇺🇸

La Jolla, California, United States

Cancer Specialists of North Florida

🇺🇸

Jacksonville, Florida, United States

Ashford Cancer Centre Research

🇦🇺

Kurralta Park, South Australia, Australia

University College London

🇬🇧

London, England, United Kingdom

Center for Cancer and Blood Disorders

🇺🇸

Bethesda, Maryland, United States

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