Targeted drug palbociclib tested against cancers with specific genetic flaw
NCT ID NCT04439201
First seen Jun 25, 2026 · Last updated Jul 10, 2026 · Updated 3 times
Summary
This phase II trial is testing the drug palbociclib in 40 patients whose advanced cancers have extra copies of the CCND1, 2, or 3 genes. Palbociclib blocks proteins that help cancer cells grow. The goal is to see if the drug can shrink tumors or stop them from growing. The study is for patients with solid tumors or lymphomas that have not responded to other treatments.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Palbociclib (a targeted cancer drug that blocks CDK4 and CDK6 proteins)
- What this could lead to
- If successful, this could provide a new treatment option for patients with certain genetic changes in their tumors, potentially shrinking or slowing cancer growth.
- What could go wrong
- This is a small, early-phase trial (40 patients) with no control group, so results may not apply broadly. The drug may not work for all tumor types, and side effects are possible.
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
-
Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
-
40 people
The number who actually took part.
- Started
-
May 2016
- Expected to finish
-
Dec 2026
An estimate. End dates often move.
- Lead sponsor
-
A government research agency
The lead sponsor is the US National Institutes of Health.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
18 years and older
- Sex
-
Anyone
- Healthy volunteers
-
Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Patients must have met applicable eligibility criteria in the Master MATCH Protocol prior to registration to treatment subprotocol * Patients must have amplification of CCND1, 2, or 3, or another aberration, as determined via the MATCH Master Protocol * Patients must have an electrocardiogram (ECG) within 8 weeks prior to treatment assignment and must have no clinically important abnormalities in rhythm, conduction or morphology of resting ECG (e.g. complete left bundle branch block, third degree heart block) Exclusion Criteria: * Patients must not have known hypersensitivity to palbociclib or compounds of similar chemical or biologic composition * Patients must not have breast cancer, mantle cell lymphoma or myeloma * Patients with known or symptoms of left ventricular dysfunction will be excluded * Patients must not have had prior treatment with palbociclib, ribociclib, abemaciclib or any other CDK4/6 inhibitors * Patients must not be using drugs or foods that are known potent CYP3A4 inhibitors or inducers, or are CYP3A4 substrates with narrow therapeutic indices
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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
-
ECOG-ACRIN Cancer Research Group
Philadelphia, Pennsylvania, 19103, United States
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