Promising combo for tough blood cancers hits early snag
NCT ID NCT04809467
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested a combination of two targeted drugs, tafasitamab and parsaclisib, in 54 adults with relapsed or refractory non-Hodgkin lymphoma or chronic lymphocytic leukemia. The goal was to see if the combination was safe and could shrink tumors. However, the trial was terminated early, so the full results are not available.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- tafasitamab (a targeted antibody) and parsaclisib (a targeted pill)
- What this could lead to
- If successful, this combination could offer a new treatment option for people with blood cancers that have stopped responding to standard therapies.
- What could go wrong
- This was a very early (Phase 1b/2a) trial that was terminated early, so we don't know if the combination is safe or effective. Side effects from these drugs can be serious.
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 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
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54 people
The number who actually took part.
- Started
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Sep 2021
- Finished
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Oct 2024
- 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: * Histologically confirmed R/R B-cell malignancy: DLBCL (THRLBCL, EBV-positive DLBCL of the elderly, Grade 3b FL, HGBL with MYC and BCL2 and/or BCL6 rearrangements, transformed lymphoma); MCL ((with cyclin D1 overexpression or t(11;14); FL (Grade 1, 2, 3a); MZL (extranodal, nodal, splenic) ; CLL, or SLL * Willingness to undergo biopsy * At least 2 prior systemic treatment regimens, including prior treatment with an anti-CD20 antibody (all cohorts) or prior treatment with a BTK inhibitor (CLL/SLL) * Relapsed, progressive, or refractory NHL or CLL * For NHL/SLL: Radiographically measurable nodal or extranodal disease (all cohorts except CLL) * ECOG-PS 0 - 2 * LVEF ≥ 50% * Adequate renal, hepatic, bone marrow function Exclusion Criteria: * Any other histological type of lymphoma * Primary or secondary CNS lymphoma * Anticancer and/or investigational therapy within the past 30 days or 5 half-lives * Allogeneic stem cell transplantation within the past 6 months, or ASCT within 3 months before C1D1 * Previous treatment with CD19-targeted therapy or PI3K inhibitors * Clinically significant cardiac disease * Other malignancy within the past 3 years * Active graft-versus-host disease * Stroke or intracranial hemorrhage within the past 6 months * Chronic or current active infectious disease * Positive virus serology for HCV, HBV, HIV * Currently pregnant or breastfeeding
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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.
Contacts and locations
Locations
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AZ DELTA
Roeselare, 08800, Belgium
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Az Groeninge Campus Kennedylaan
Kortrijk, 08500, Belgium
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Azienda Ospedaliera Ospedali Riuniti Villa Sofia - Cervello
Palermo, 90146, Italy
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Azienda Ospedaliero Universitaria Pisana
Pisa, 56126, Italy
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Azienda Socio Sanitaria Territoriale Grande Ospedale Metropolitano Niguarda
Milan, 20162, Italy
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Cancer Center For Blood Disorders
Bethesda, Maryland, 20817, United States
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Centre Henri Becquerel
Rouen, 76038, France
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Centre Hospitalier Universitaire de Nantes (Chu de Nantes) - Hotel-Dieu
Nantes, 44093, France
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Centro Integral Oncologico Clara Campal (Ciocc)
Madrid, 28050, Spain
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Clinical Research Alliance
New Hyde Park, New York, 11042, United States
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Community Health Network, Inc.
Indianapolis, Indiana, 46250, United States
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Fondazione Irccs Istituto Nazionale Dei Tumori
Milan, 20133, Italy
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Grand Hospital de Charleroi
Charleroi, 06000, Belgium
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Hanusch-Krankenhaus Der Wiener Gebietskrankenkasse
Vienna, 01140, Austria
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Hopital Sant Pau
Barcelona, 08036, Spain
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Hospital Clinico Universitario de Salamanca
Salamanca, 37007, Spain
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Hospital General Universitario Vall D Hebron
Barcelona, 08035, Spain
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Hospital General Universitario de Valencia
Valencia, 46014, Spain
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Hospital General Unviersitario de Alicante
Alicante, 03010, Spain
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Hospital Puerta de Hierro
Majadahonda, 28222, Spain
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Hospital Universitario 12 de Octubre
Madrid, 28041, Spain
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Hospital Universitario Central de Asturias
Oviedo, 33011, Spain
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Hospital Universitario Marques de Valdecilla
Santander, 39008, Spain
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Hospital Universitario Quironsalud Madrid
Madrid, 28223, Spain
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Hospital Universitario San Cecilio
Granada, 18016, Spain
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Hospital Universitario Virgen Del Rocio
Seville, 41015, Spain
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Ico Institut Catala D Oncologia
Barcelona, 08908, Spain
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Indiana Blood and Marrow Transplantation
Indianapolis, Indiana, 46237, United States
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Institut Gustave Roussy
Villejuif, 94805, France
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Institut Jules Bordet
Brussels, B-1070, Belgium
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Irccs Istituto Clinico Humanitas
Rozzano, 20089, Italy
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Istituto Nazionale Tumori Irccs Fondazione Pascale
Naples, 80131, Italy
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Istituto Romagnolo Per Lo Studio Dei Tumori Dino Amadori
Meldola, 47014, Italy
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Jefferson University Hospitals
Philadelphia, Pennsylvania, 19107, United States
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Justus-Liebig University
Giessen, 35392, Germany
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Landeskrankenhaus Salzburg
Salzburg, 05020, Austria
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Norton Cancer Institute
Louisville, Kentucky, 40202, United States
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Ohio State University
Columbus, Ohio, 43210, United States
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Ordensklinikum Linz Gmbh Elisabethinen
Linz, A-4020, Austria
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Ospedale Santa Maria Delle Croci
Ravenna, 48121, Italy
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S Orsolas University Hospital Seragnoli Institute of Hematology
Bologna, 40138, Italy
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Universitair Ziekenhuis (Uz) Leuven
Leuven, 03000, Belgium
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Universitair Ziekenhuis Antwerpen (Uza)
Edegem, 02650, Belgium
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Universitatsmedizin Der Johannes Gutenberg-Universitat Mainz Iii
Mainz, 55131, Germany
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University Hospital Brest
Brest, 29609, France
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University Hospital Wurzburg
Würzburg, 97080, Germany
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University Medical Center Freiburg
Freiburg im Breisgau, 79106, Germany
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University of Alabama At Birmingham Comprehensive Cancer Center
Birmingham, Alabama, 35205, United States
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University of Michigan
Ann Arbor, Michigan, 48109, United States
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University of Southern California
Los Angeles, California, 90089, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Double-Drug attack on Hard-to-Treat lymphomas
- Patient's own t cells engineered to hunt lymphoma in early trial
- Immunotherapy injection tested against Hard-to-Treat childhood lymphoma
- Two-Drug combo aims to push CLL into deep remission
- Vaccine aims to train immune system against blood cancers
- Can a new BTK inhibitor outsmart resistance in CLL?