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Palbociclib PD-0332991

GBG Forschungs GmbH · Phase 3 active Small molecule

Palbociclib is a CDK4/6 inhibitor that works by blocking the activity of cyclin-dependent kinases 4 and 6, which are involved in cell cycle progression.

Palbociclib is a CDK4/6 inhibitor that works by blocking the activity of cyclin-dependent kinases 4 and 6, which are involved in cell cycle progression. Used for Hormone receptor-positive, HER2-negative breast cancer.

At a glance

Generic namePalbociclib PD-0332991
Also known asIbrance
SponsorGBG Forschungs GmbH
Drug classCDK4/6 inhibitor
TargetCDK4/6
ModalitySmall molecule
Therapeutic areaOncology
PhasePhase 3

Mechanism of action

By inhibiting CDK4/6, palbociclib slows down the growth and division of cancer cells. This can help to slow the progression of certain types of cancer. Palbociclib is often used in combination with other medications to treat hormone receptor-positive, HER2-negative breast cancer.

Approved indications

Common side effects

Key clinical trials

Primary sources

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SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results