New hope for tough lymphomas: experimental drug STP938 enters human trials
NCT ID NCT05463263
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is for adults with B-cell or T-cell lymphoma that has returned or stopped responding to at least two prior treatments. The drug, STP938, blocks a protein cancer cells need to grow. The trial has two parts: first, finding a safe dose (Phase 1), then testing how well it shrinks tumors in different lymphoma types (Phase 2). About 180 people will take part.
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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About 180 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2022
- Expected to finish
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Dec 2026
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.
Main Inclusion Criteria: * Signed and dated informed consent, and able to comply with the study procedures and any locally required authorization. * Male or female aged ≥ 18 years. * Relapsed/refractory patients with histologically confirmed diagnosis of B cell or T cell lymphoma * Must have received at least 2 prior systemic therapies and have no treatment options known to provide clinical benefit * Must have measurable disease per Lugano lymphoma classification except for cutaneous T-cell lymphoma (CTCL) which is measured via International Society for Cutaneous Lymphomas (ISCL)/ European Organization of Research and Treatment of Cancer (EORTC). * Eastern Cooperative Oncology Group (ECOG) performance status ≤2. * Life expectancy \> 3 months as assessed by the Investigator. * Adequate organ function (bone marrow, hepatic, renal function and coagulation). * All toxicities (except alopecia) from prior cancer treatments or procedures must have resolved to ≤Grade 1 or returned to baseline levels prior to enrollment. Main Exclusion Criteria: * Pregnant or breastfeeding females and women of child bearing potential or males unwilling to comply with contraception requirements. * Known carcinomatous meningitis or central nervous system (CNS) involvement with lymphoma. * Active malignancy within 2 years of study enrollment * Prior radiation or surgical resection of their lymphoma without additional sites of measurable disease outside of the radiation field or subjects who have received prior radiation or surgical resection of their lymphoma ≤2 weeks prior to the first dose of study drug. * Systemic cancer treatments, monoclonal antibody-directed therapies, other investigational agents within 4 weeks before enrollment, or \<5 half-lives since completion of previous investigational therapy, whichever is shorter. * Uncontrolled intercurrent illness. * Immunocompromised subjects with increased risk of opportunistic infections or history of opportunistic infection in the last 12 months. * Known active or chronic hepatitis B or active hepatitis C virus (HCV) infection. * Subjects who have received a live vaccine within 30 days prior to study enrollment or whilst participating in the study. * Subjects with corrected QT interval \>470 msec based on averaged triplicate electrocardiogram (ECG) readings at the Screening Visit using the QT interval corrected for heart rate using Fridericia's method (QTcF). * Subjects who received a severe acute respiratory syndrome coronavirus 2 vaccine ≤3 weeks prior to study drug dosing.
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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
15 sites in 3 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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CHU de Nantes
RECRUITINGNantes, France
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Churchill Hospital
RECRUITINGOxford, United Kingdom
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Colorado Blood Cancer Institute
RECRUITINGDenver, Colorado, 80218, United States
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Derriford Hospital
RECRUITINGPlymouth, United Kingdom
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Florida Cancer Specialists
RECRUITINGSarasota, Florida, 34232, United States
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Hôpital Saint-Louis
RECRUITINGParis, Paris, 75610, France
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Imperial College / Clinical Trials Unit, Hammersmith Hospital
RECRUITINGLondon, United Kingdom
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Institut Gustave Roussy
RECRUITINGVillejuif, France
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Institut Paoli Calmettes
RECRUITINGMarseille, France
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Memorial Sloan Kettering
RECRUITINGNew York, New York, 10065, United States
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Nottingham City Hospital
RECRUITINGNottingham, United Kingdom
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The Centre Léon Bérard
RECRUITINGLyon, France
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The Christie
RECRUITINGManchester, United Kingdom
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The Royal Marsden
RECRUITINGSutton, United Kingdom
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University Hospitals of Leicester NHS Trust
RECRUITINGLeicester, United Kingdom
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