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A Study to Learn if the Study Medicine Called Carbamazepine Changes How the Body Processes PF-07220060

A PHASE 1, OPEN-LABEL, FIXED SEQUENCE, 2-PERIOD STUDY TO ESTIMATE THE EFFECT OF MULTIPLE DOSES OF CARBAMAZEPINE ON THE PHARMACOKINETICS OF SINGLE DOSE PF-07220060 ADMINISTERED UNDER THE FED CONDITION TO HEALTHY PARTICIPANTS

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06897683
Enrollment
14
Registered
2025-03-27
Start date
2025-03-21
Completion date
2025-06-12
Last updated
2025-11-25

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy Adults

Keywords

PF-07220060, Carbamazepine, Drug-drug interaction

Brief summary

The purpose of this study is to learn how carbamazepine changes how the body processes PF-07220060 in the body of healthy adults. This study will happen in 2 periods. The purpose of Period 1 of the study is to understand how the medicine is changed and eliminated from the body after it is taken) and safety of a single dose of PF-07220060. The purpose of Period 2 of the study is to understand how the medicine is changed and eliminated from the body after it is taken and safety of a single dose of PF-07220060 following multiple days dosing carbamazepine twice a day. Multiple blood samples will be collected in each period up to 120 hours after the PF-07220060 dose in order to measure the amount of PF-07220060 in the blood. On Day 1 in Period 1, a single oral dose of PF-07220060 will be administered with food. Period 2 will begin following the last blood sample collection in Period 1. Carbamazepine will be dosed in Period 2 at 100 mg twice a day on Days 1, 2, and 3, and then, will increase to 200 mg twice a day on Days 4, 5, 6, and 7, and will eventually increase to and be maintained at 300 mg twice a day for the rest of Period 2 from Day 8 to Day 18. On Day 14 in Period 2, a single oral dose of PF-07220060 will be administered.

Interventions

Single dose PF-07220060 tablet administered with a moderate-fat standard calorie meal

DRUGCarbamazepine ER Tablet

Carbamazepine dosing titration regimen in Period 2 from Day 1 to 18

Sponsors

Pfizer
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
BASIC_SCIENCE
Masking
NONE

Masking description

Open label

Intervention model description

This is an open-label, fixed sequence, two-period, crossover study in healthy participants.

Eligibility

Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
Yes

Inclusion criteria

Key Inclusion Criteria: * Male and female participants aged 18 to 65 years 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 17.5-30.5 kg/m2; and a total body weight \>50 kg (110 lb). * Evidence of a personally signed and dated ICD indicating that the participant has been informed of all pertinent aspects of the study. * Participants who are willing and able to comply with all scheduled visits, treatment plan, laboratory tests, lifestyle considerations, and other study procedures. Key

Exclusion criteria

* Participants shown to carry or be positive for human leukocyte antigen (HLA)-B\*1502 and HLA-A\*3101 (genotyping alleles/markers related with carbamazepine-associated SJS or TEN). * Use of prescription or nonprescription drugs and dietary and herbal supplements within 7 days or 5 half-lives (whichever is longer) prior to the first dose of study intervention. * 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 56 days) prior to first dose of PF 07220060. * Previous administration with a study intervention (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). * History of sensitivity to carbamazepine, tricyclic compounds, or any of the formulation components of carbamazepine.

Design outcomes

Primary

MeasureTime frame
Plasma PF-07220060 Maximum Observed Plasma Concentration (Cmax)Pre-dose, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72, 96 and 120 hours post-dose.
Plasma PF-07220060 Area under the plasma concentration versus time curve (AUC)Pre-dose, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72, 96 and 120 hours post-dose.

Secondary

MeasureTime frame
Number of Participants With Laboratory AbnormalitiesFrom baseline up to 28 to 35 days after last dose of investigational drug
Number of Participants With Clinically Significant Change in Electrocardiogram (ECG) FindingsFrom baseline up to 28 to 35 days after last dose of investigational drug
Number of Participants With Clinically Significant Change From Baseline in Vital SignsFrom baseline up to 28 to 35 days after last dose of investigational drug
Number of Participants With Treatment-Emergent Adverse Events (AEs)From baseline up to 28 to 35 days after last dose of investigational drug

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026