Status:

RECRUITING

Study About Whether Atirmociclib/PF-07220060 Proportionally Increases Exposure as Dose Increases in Healthy Participants

Lead Sponsor:

Pfizer

Conditions:

Healthy Volunteer

Eligibility:

All Genders

18-65 years

Phase:

PHASE1

Brief Summary

The purpose of this clinical trial is to learn about the dose proportionality on the PK of the study medicine (called atirmociclib) when administered in the various doses range under the fed condition...

Eligibility Criteria

Inclusion

  • Inclusion:
  • Participants who are overtly healthy as determined by medical evaluation including medical history, physical examination, and laboratory tests.
  • Body mass Index (BMI) of 17.5-30.5 kg/m2; and a total body weight \>50 kg (110 lb.).
  • Exclusion:
  • Evidence or history of clinically significant hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, neurological, or allergic disease (including drug allergies, but excluding untreated, asymptomatic, seasonal allergies at the time of dosing).
  • Any condition possibly affecting drug absorption (e.g., gastrectomy, cholecystectomy).
  • History of human immunodeficiency virus (HIV) infection, hepatitis B, or hepatitis C; positive testing for HIV, hepatitis B surface antigen (HBsAg), or hepatitis C antibody (HCVAb). Hepatitis B vaccination is allowed.
  • Concomitant use of any medications or substances that are strong inducers or inhibitors of CYP3A4 or UGT2B7 are prohibited within 5 half-lives plus 14 days (up to 28 days) prior to first dose of atirmociclib.
  • Previous exposure to atirmociclib or participation in studies requiring atirmociclib administration.

Exclusion

    Key Trial Info

    Start Date :

    October 8 2025

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ESTIMATED

    End Date :

    June 26 2026

    Estimated Enrollment :

    72 Patients enrolled

    Trial Details

    Trial ID

    NCT07215078

    Start Date

    October 8 2025

    End Date

    June 26 2026

    Last Update

    November 28 2025

    Active Locations (1)

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    Page 1 of 1 (1 locations)

    1

    Pfizer Clinical Research Unit - New Haven

    New Haven, Connecticut, United States, 06511