Second chance: drug combo retested for leukemia relapse
NCT ID NCT04895436
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether giving a second course of venetoclax plus obinutuzumab can control chronic lymphocytic leukemia (CLL) when it comes back after initial treatment. About 75 adults whose CLL returned after prior successful therapy will receive the drug combination for up to 24 cycles. Researchers will monitor tumor shrinkage, side effects, and overall response to see if retreatment is effective and safe.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 75 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2022
- Expected to finish
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Jan 2029
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Documented diagnosis of chronic lymphocytic leukemia (CLL) that requires treatment for CLL according to International Workshop for Chronic Lymphocytic Leukemia (iwCLL) 2018 criteria. * Previously completed venetoclax + anti-CD20 antibody +/- X regimen as a fixed duration first-line (1L) therapy and achieved documented response, defined as complete remission, complete remission with incomplete marrow recovery, partial remission, or nodular partial remission. * More than 24 months (Cohort 1) or 12-24 months (Cohort 2) have elapsed between last dose of venetoclax and disease progression after completion of 1L treatment. Exclusion Criteria: \- Received intervening treatment for CLL after completing previous treatment with a venetoclax + anti-CD20 antibody +/- X regimen.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
50 sites in 11 countries. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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A.O.U. CITTA' DELLA SALUTE E DELLA SCIENZA DI TORINO - Ospedale Molinette /ID# 229504
RECRUITINGTurin, Piedmont, 10126, Italy
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Azienda Ospedaliera Santa Maria Terni /ID# 229442
RECRUITINGTerni, 05100, Italy
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BAG Freiberg-Richter, Jacobasch, Illmer, Wolf /ID# 230168
RECRUITINGDresden, Saxony, 01307, Germany
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Blackpool Victoria Hospital /ID# 267280
RECRUITINGBlackpool, Lancashire, FY3 8NR, United Kingdom
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Bruederkrankenhaus St. Josef Paderborn /ID# 230177
RECRUITINGPaderborn, 33098, Germany
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Charite Universitaetsmedizin Berlin Campus Virchow-Klinikum /ID# 248748
RECRUITINGBerlin, 13353, Germany
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Dana-Farber Cancer Institute /ID# 230061
RECRUITINGBoston, Massachusetts, 02215, United States
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Des Moines Oncology Research Association /ID# 232606
COMPLETEDDes Moines, Iowa, 50309-1423, United States
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Duplicate_DIAKO Ev. Diakonie-Krankenhaus gemeinnuetzige GmbH /ID# 230238
COMPLETEDBremen, 28239, Germany
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Fundeni Clinical Institute /ID# 241614
RECRUITINGBucharest, Bucharest, 022328, Romania
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Hadassah /ID# 245059
RECRUITINGJerusalem, Jerusalem, 91120, Israel
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Hanusch Krankenhaus /ID# 230010
RECRUITINGVienna, 1140, Austria
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Hattiesburg Clinic /ID# 233443
RECRUITINGHattiesburg, Mississippi, 39401, United States
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Henry Ford Hospital /ID# 230268
COMPLETEDDetroit, Michigan, 48202, United States
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Hospital Nove de Julho /ID# 243658
RECRUITINGSão Paulo, São Paulo, 01409-001, Brazil
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Hospital Universitario de la Princesa /ID# 229665
RECRUITINGMadrid, 28006, Spain
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Hospital de Clinicas de Porto Alegre /ID# 243657
COMPLETEDPorto Alegre, Rio Grande do Sul, 90035-903, Brazil
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Instituto de Ensino e Pesquisas Sao Lucas /ID# 243659
RECRUITINGSão Paulo, 01236-030, Brazil
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Klinik Ottakring /ID# 230019
RECRUITINGVienna, State of Vienna, 1160, Austria
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Klinikum Landshut AdöR der Stadt Landshut /ID# 242991
RECRUITINGLandshut, 84034, Germany
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Landeskrankenhaus Hochsteiermark, Standort Leoben /ID# 267569
RECRUITINGLeoben, Styria, 8700, Austria
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Landeskrankenhaus Salzburg-Universitaetsklinikum der PMU (LKH) /ID# 230015
COMPLETEDSalzburg, 5020, Austria
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Leeds Teaching Hospitals NHS Trust /ID# 250732
RECRUITINGLeeds, West Yorkshire, LS9 7TF, United Kingdom
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MHAT Hristo Botev /ID# 229687
RECRUITINGVratsa, 3000, Bulgaria
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Medizinische Universitaet Wien /ID# 230013
RECRUITINGVienna, State of Vienna, 1090, Austria
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Moores Cancer Center at UC San Diego /ID# 230157
RECRUITINGLa Jolla, California, 92093, United States
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Muenchen Klinik Schwabing /ID# 230197
COMPLETEDMunich, Bavaria, 80804, Germany
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Norfolk and Norwich University Hospitals NHS Foundation Trust /ID# 250733
RECRUITINGNorwich, Norfolk, NR4 7UY, United Kingdom
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Northern Hospital Epping /ID# 229847
RECRUITINGEpping, Victoria, 3076, Australia
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Novant Health Forsyth Medical Center /ID# 249533
RECRUITINGWinston-Salem, North Carolina, 27103, United States
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Novant Health Presbyterian Medical Center /ID# 230201
RECRUITINGCharlotte, North Carolina, 28204, United States
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OncoResearch Lerchenfeld GmbH /ID# 230191
RECRUITINGHamburg, 22081, Germany
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Onkologische Schwerpunktpraxis /ID# 245465
RECRUITINGBerlin, 10707, Germany
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Ordensklinikum Linz GmbH Barmherzige Schwestern /ID# 249516
RECRUITINGLinz, Upper Austria, 4010, Austria
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Pennsylvania Oncology Hematolo /ID# 249637
RECRUITINGPhiladelphia, Pennsylvania, 19106, United States
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Peter MacCallum Cancer Ctr /ID# 254634
RECRUITINGMelbourne, Victoria, 3000, Australia
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Rabin Medical Center. /ID# 243220
RECRUITINGPetah Tikva, 4941492, Israel
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Regional Cancer Care Associates /ID# 244620
RECRUITINGHackensack, New Jersey, 07601-7015, United States
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Royal Adelaide Hospital /ID# 229898
RECRUITINGAdelaide, South Australia, 5000, Australia
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St. Lukes Hospital of Duluth /ID# 250021
RECRUITINGDuluth, Minnesota, 55805, United States
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Stauferklinikum Schwaebisch Gmuend /ID# 230176
RECRUITINGMutlangen, Baden-Wurttemberg, 73557, Germany
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Summit Medical Group-Florham Park /ID# 244782
COMPLETEDFlorham Park, New Jersey, 07932-1049, United States
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Tel Aviv Sourasky Medical Center /ID# 243218
RECRUITINGTel Aviv, Tel Aviv, 6423906, Israel
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The Chaim Sheba Medical Center /ID# 243219
RECRUITINGRamat Gan, Tel Aviv, 5265601, Israel
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The Ohio State University /ID# 230439
RECRUITINGColumbus, Ohio, 43210, United States
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UMHAT Sveti Georgi EAD /ID# 272321
RECRUITINGPlovdiv, 4002, Bulgaria
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Universitaetsklinikum Essen /ID# 230181
RECRUITINGEssen, 45147, Germany
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Universitaetsklinikum Halle (Saale) /ID# 245350
RECRUITINGHalle, 06120, Germany
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Universitaetsklinikum Koeln /ID# 230296
RECRUITINGCologne, North Rhine-Westphalia, 50937, Germany
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Universitaetsklinikum Schleswig-Holstein Campus Kiel /ID# 230186
RECRUITINGKiel, Schleswig-Holstein, 24105, Germany
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Universitaetsklinikum St. Poelten /ID# 243493
RECRUITINGSankt Pölten, Lower Austria, 3100, Austria
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Universitaetsklinikum Ulm /ID# 230164
RECRUITINGUlm, Baden-Wurttemberg, 89081, Germany
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Universitaetsklinikum des Saarlandes /ID# 248747
RECRUITINGHomburg, Saarland, 66424, Germany
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Universitaetsmedizin Rostock /ID# 230190
RECRUITINGRostock, Mecklenburg-Vorpommern, 18057, Germany
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University of North Carolina /ID# 233313
RECRUITINGChapel Hill, North Carolina, 27514, United States
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University of Wisconsin-Madiso /ID# 232612
COMPLETEDMadison, Wisconsin, 53705, United States
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VK&K Studien GbR /ID# 230198
RECRUITINGLandshut, Bavaria, 84036, Germany
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Winship Cancer Institute of Emory University /ID# 230643
RECRUITINGAtlanta, Georgia, 30322, United States
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Other studies related to the condition(s) this trial covers.
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