Status:

RECRUITING

A Study to Learn How Different Amounts of the Study Medicine Called PF-07999415 Are Tolerated and Act in the Body in Healthy Adults

Lead Sponsor:

Pfizer

Conditions:

Healthy

Eligibility:

All Genders

18-65 years

Phase:

PHASE1

Brief Summary

The purpose of this clinical study is to learn about the safety and effects of the study medicine (called PF-07999415) in healthy adult participants. This study is seeking volunteers aged 18 to 65 ye...

Eligibility Criteria

Inclusion

  • Male and female participants of non-childbearing potential aged 18 to 65 years, inclusive, at screening who are overtly healthy as determined by medical evaluation including medical history, physical examination, laboratory tests, and cardiac monitoring.
  • Body Mass Index (BMI) of 18-33 kg/m2 and a total body weight \>50 kg (110 lb).

Exclusion

  • Evidence or history of clinically significant hematological, renal, endocrine, pulmonary, dermatological, gastrointestinal, cardiovascular, hepatic, psychiatric, neurological, or allergic disease (including drug allergies, but excluding untreated, asymptomatic, seasonal allergies at the time of dosing).
  • Any medical or psychiatric condition including recent (within the past year) or active suicidal ideation/behavior or laboratory abnormality or other conditions that may increase the risk of study participation or, in the investigator's judgment, make the participant inappropriate for the study.
  • Previous administration of an investigational product (drug or vaccine) within 30 days (or as determined by the local requirement) or 5 half-lives preceding the first dose of study intervention used in this study (whichever is longer). Participation in studies of other investigational products (drug or vaccine) at any time during participation in this study.

Key Trial Info

Start Date :

June 20 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

June 4 2026

Estimated Enrollment :

53 Patients enrolled

Trial Details

Trial ID

NCT06965465

Start Date

June 20 2025

End Date

June 4 2026

Last Update

November 19 2025

Active Locations (1)

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Page 1 of 1 (1 locations)

1

Pfizer Clinical Research Unit - Brussels

Brussels, Bruxelles-capitale, Région de, Belgium, B-1070