A Study of Rituximab-Gemcitabine-Dexamethasone-Platinum (R-GDP) With or Without Selinexor in Patients With Relapsed/Refractory Diffuse Large B-cell Lymphoma

PHASE2/PHASE3RecruitingINTERVENTIONAL
Enrollment

501

Participants

Timeline

Start Date

September 3, 2020

Primary Completion Date

December 31, 2025

Study Completion Date

December 31, 2025

Conditions
Relapsed/Refractory Diffuse Large B-cell Lymphoma
Interventions
DRUG

Selinexor (combination therapy)

Dose: 40 mg on Days 1 and 8 of each 21-day cycle for up to 6 cycles; Route of administration: oral

DRUG

Selinexor (combination therapy)

Dose: 60 mg on Days 1 and 8 of each 21-day cycle for up to 6 cycles; Route of administration: oral

DRUG

Selinexor (combination therapy)

Dose: Selected dose of selinexor (from Phase 2) on Days 1 and 8 of each 21-day cycle for up to 6 cycles; Route of administration: oral

DRUG

Placebo matching for Selinexor (combination therapy)

Dose: Placebo matching for selected dose of selinexor (from Phase 2) on Days 1 and 8 of each 21-day cycle for up to 6 cycles; Route of administration: oral

DRUG

Rituximab (combination therapy)

Dose: 375 milligram per meter square (mg/m\^2) on Day 1; Route of administration: intravenous (IV)

DRUG

Rituximab (combination therapy)

Dose: 375 mg/m\^2 on Day 1; Route of administration: IV

DRUG

Gemcitabine (combination therapy)

Dose: 1000 mg/m\^2 on Days 1 and 8; Route of administration: IV

DRUG

Dexamethasone (combination therapy)

Dose: 40 mg (20 mg if patient is more than 70 years old) on Days 1, 2, 3, and 4; Route of administration: oral or IV

DRUG

Cisplatin (combination therapy)

Dose: 75 mg/m\^2 on Day 1; Route of administration: IV

DRUG

Selinexor (continuous therapy)

Dose: 60 mg QW for each 28-day cycle until PD; Route of administration: oral

DRUG

Placebo matching for Selinexor (continuous therapy)

Dose: Placebo matching for 60 mg selinexor QW for each 28-day cycle until PD; Route of administration: oral

Trial Locations (57)

1090

WITHDRAWN

University of Vienna, Medical Clinic I, Hematology, Vienna

1130

WITHDRAWN

Hospital Hietzing, Vienna

4021

WITHDRAWN

Kepler Universitaetskrankenhaus Med Campu III - Onkologie, Linz

10126

COMPLETED

AOU City of Health and Science of Turin, Turin

11794

RECRUITING

Stony Brook, Stony Brook

21201

RECRUITING

University of Maryland Greenebaum Comprehensive Cancer Center, Baltimore

28046

COMPLETED

Hospital Universitario La Paz, Madrid

28100

RECRUITING

AOU Maggiore della Carità SCDU Ematologia, Novara

40138

WITHDRAWN

AOU Policlinico S.Orsola Malpighi di Bologna, University of Bologna, Bologna

40207

RECRUITING

Norton Cancer Institute, St. Matthews, Louisville

41013

COMPLETED

Hospital Virgen del Rocío, Seville

44718

WITHDRAWN

Gabrail Cancer Center Research LLC, Canton

46260

WITHDRAWN

Investigative Clinical Research of Indiana, LLC, Indianapolis

60020

RECRUITING

AOU Ospedali Riuniti-Università Politecnica delle Marche Clinica di Ematologia, Ancona

60819

COMPLETED

CM Pratia Poznań, Skorzewo

65124

COMPLETED

DIP. Oncologia- Ematologia, UOSD Centro Diagnosie TerapiaDei Linfomi, Pescara

70112

WITHDRAWN

Tulane Cancer Center, New Orleans

75075

WITHDRAWN

Texas Oncology - Plano East, Plano

75230

WITHDRAWN

Texas Oncology - Medical City Dallas, Dallas

75231

WITHDRAWN

Texas Oncology - Presbyterian Dallas Cancer Center, Dallas

75246

WITHDRAWN

Texas Oncology - Sammons, Dallas

75702

RECRUITING

Texas Oncology - Tyler, Tyler

COMPLETED

The University of Texas Health Science Center at Tyler DBA UT Health East Texas HOPE Cancer Center, Tyler

76104

WITHDRAWN

Texas Oncology - Fort Worth, Fort Worth

81100

RECRUITING

"UOC Ematologia ad Indirizzo Oncologico, AORN Sant'Anna e San Sebastiano", Caserta

85224

COMPLETED

Ironwood Physicians P.C. dba Ironwood Cancer and Research Centers, Chandler

85711

RECRUITING

Arizona Oncology Associates, Tucson

87106

WITHDRAWN

New Mexico Cancer Care Alliance, Albuquerque

89169

WITHDRAWN

Comprehensive Cancer Centers of Nevada - Town Center, Las Vegas

90146

RECRUITING

Azienda Ospedaliera Ospedali Riuniti Villa Sofia Cervello, Palermo

90703

RECRUITING

The Oncology Institute (TOI) Clinical Research, Cerritos

98201

WITHDRAWN

Providence Regional Cancer Partnership, Everett

200025

COMPLETED

Ruijin Hospital Affiliated to The Shanghai Jiao Tong University Medical School, Huangpu

200032

COMPLETED

Zhongshan Hospital Fudan University, Xuhui

210029

COMPLETED

Jiangsu Province Hospital, Nanjing

215006

COMPLETED

The First Affiliated Hospital of Soochow University, Suzhou

310003

COMPLETED

The first affiliated Hospital, Zhejiang University, Hangzhou

610044

COMPLETED

Huaxi Hospital Sichuan University, Chengdu

3109601

WITHDRAWN

Rambam health care campus (Department of Hematology & Bone Marrow Transplantation), Haifa

4941492

COMPLETED

Rabin Medical Center, Petah Tikva

5822012

WITHDRAWN

Wolfson Medical Center, Holon

6423906

COMPLETED

Assuta medical centers - Ramat Hachayal, Tel Aviv

WITHDRAWN

Sourasky Medical Center, Tel Aviv

7747629

RECRUITING

Assuta Ashdod Medical Center, Ashdod

8457108

COMPLETED

Soroka Medical Center, Beersheba

9103401

WITHDRAWN

Hadassah Medical Center, Jerusalem

1-80131

RECRUITING

National Cancer Institute, Naples

00168

RECRUITING

Fondatione Policlinico Universitario A. Gemelli, Rome

30-510

RECRUITING

Pratia MCM Krakow, Krakow

81-519

RECRUITING

Szpitale pomorskie gdynia dept of haematology, Gdynia

50-367

COMPLETED

Klinika Hematologii, Nowotworów Krwi i Transplantacji Szpiku Uniwersytecki Szpital Kliniczny im. Jana Mikulicza - Radeckiego we Wrocławiu, Wroclaw

40-523

COMPLETED

Pratia Onkologia Katowice, Katowice

00-791

COMPLETED

Institute of Hematology and Transfusion Medicine, Warsaw

02-781

COMPLETED

Department of Lymphoid Malignancies, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw

08916

RECRUITING

Institut català d'oncologia-hospital germans trias i pujol, Badalona

08035

COMPLETED

Hospital Vall Hebron, Barcelona

09809

RECRUITING

Institut Catala D'oncolocia, Barcelona

Sponsors
All Listed Sponsors
lead

Karyopharm Therapeutics Inc

INDUSTRY