NCT04390776

Brief Summary

The study will be conducted as a Phase 1, open-label, single-dose, randomized, 2- or 3 period, cross over design in a single cohort.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
164

participants targeted

Target at P75+ for phase_1

Timeline
Completed

Started Sep 2020

Geographic Reach
1 country

2 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

May 14, 2020

Completed
4 days until next milestone

First Posted

Study publicly available on registry

May 18, 2020

Completed
4 months until next milestone

Study Start

First participant enrolled

September 28, 2020

Completed
10 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 19, 2021

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 19, 2021

Completed
Last Updated

August 4, 2021

Status Verified

August 1, 2021

Enrollment Period

10 months

First QC Date

May 14, 2020

Last Update Submit

August 2, 2021

Conditions

Outcome Measures

Primary Outcomes (2)

  • Area under the plasma concentration-time profile from time zero extrapolated to infinite time (AUCinf)of PF-06651600

    Day 1 pre-dose and at 0.5, 1, 1.5, 2, 3, 4, 6, 12, and 16 hrs, and Day 2, at 24 hours post-dose.

  • Maximum plasma PF-06651600 concentration (C max)

    Day 1 pre-dose and at 0.5, 1, 1.5, 2, 3, 4, 6, 12, and 16 hrs, and Day 2, at 24 hours post-dose.

Secondary Outcomes (7)

  • Single dose time to reach maximum observed plasma concentration (Tmax) of PF-06651600

    Day 1 pre-dose and at 0.5, 1, 1.5, 2, 3, 4, 6, 12, and 16 hrs, and Day 2, at 24 hours post-dose.

  • Single dose Area under the Curve from Time Zero to Last quantifiable concentration [AUC last) of PF-06651600

    Day 1 pre-dose and at 0.5, 1, 1.5, 2, 3, 4, 6, 12, and 16 hrs, and Day 2, at 24 hours post-dose.

  • Single dose plasma decay half-life (t 1/2) of PF-06651600

    Day 1 pre-dose and at 0.5, 1, 1.5, 2, 3, 4, 6, 12, and 16 hrs, and Day 2, at 24 hours post-dose.

  • Single dose Apparent Oral Clearance (CL/F) of PF-06651600

    Day 1 pre-dose and at 0.5, 1, 1.5, 2, 3, 4, 6, 12, and 16 hrs, and Day 2, at 24 hours post-dose.

  • Single dose Apparent Volume of Distribution (Vz/F) of PF-06651600

    Day 1 pre-dose and at 0.5, 1, 1.5, 2, 3, 4, 6, 12, and 16 hrs, and Day 2, at 24 hours post-dose.

  • +2 more secondary outcomes

Study Arms (4)

Treatment Sequence 1

EXPERIMENTAL

PF-06651600 100 mg Tablets (fasted, Period 1), followed by Capsules (fasted, Period 2), and followed by Capsules (fed, Period 3).

Drug: PF-06651600

Treatment Sequence 2

EXPERIMENTAL

PF-06651600 100 mg Capsules (fasted, Period 1), followed by Tablets (fasted, Period 2), and followed by Capsules (fed, Period 3).

Drug: PF-06651600

Treatment Sequence 3

EXPERIMENTAL

PF-06651600 100 mg Tablets (fasted, Period 1), followed by Capsules (fasted, Period 2).

Drug: PF-06651600

Treatment Sequence 4

EXPERIMENTAL

PF-06651600 100 mg Capsules (fasted, Period 1), followed by Tablets (fasted, Period 2).

Drug: PF-06651600

Interventions

PF-06651600 100 milligrams (mg) will be provided as Tablets and Capsules.

Treatment Sequence 1Treatment Sequence 2Treatment Sequence 3Treatment Sequence 4

Eligibility Criteria

Age18 Years - 55 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Male and female participants who are healthy as determined by medical evaluation including a detailed medical history, complete physical examination, which includes BP and pulse rate measurement, clinical laboratory tests, and cardiac evaluation (including ECG).
  • BMI of 17.5 to 30.5 kg/m2; and a total body weight \>50 kg (110 lb).

You may not qualify if:

  • Evidence or history of clinically significant hematological, renal, endocrine (including diabetes), pulmonary, gastrointestinal, cardiovascular (including hypertension and congestive heart failure), hepatic, psychiatric, neurological, dermatological, or allergic disease (including drug allergies, but excluding untreated, asymptomatic, seasonal allergies at the time of dosing).
  • Any condition possibly affecting drug absorption (eg, gastrectomy, cholecystectomy).
  • Known immunodeficiency disorder, including positive serology for human immunodeficiency virus (HIV) at screening, or a first degree relative with a hereditary immunodeficiency.
  • Participants with any of the following acute or chronic infections or infection history:
  • Any infection requiring treatment within 2 weeks prior to the dosing visit.
  • Any infection requiring hospitalization or parenteral antimicrobial therapy within 60 days of the first dose of study intervention.
  • Any infection judged to be an opportunistic infection or clinically significant by the investigator, within the past 6 months of the first dose of study intervention.
  • Known active or history of recurrent bacterial, viral, fungal, mycobacterial or other infections.
  • History of recurrent (more than one episode of) localized dermatomal herpes zoster, or history of disseminated (single episode) herpes simplex or disseminated herpes zoster.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Research Centers of America ( Hollywood )

Hollywood, Florida, 33024, United States

Location

Prism Research LLC dba Nucleus Network

Saint Paul, Minnesota, 55114, United States

Location

Related Publications (1)

  • Saadeddin A, Purohit V, Huh Y, Wong M, Maulny A, Dowty ME, Sagawa K. Virtual Bioequivalence Assessment of Ritlecitinib Capsules with Incorporation of Observed Clinical Variability Using a Physiologically Based Pharmacokinetic Model. AAPS J. 2024 Jan 24;26(1):17. doi: 10.1208/s12248-024-00888-9.

Related Links

MeSH Terms

Interventions

PF-06651600

Study Officials

  • Pfizer CT.gov Call Center

    Pfizer

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
NONE
Purpose
BASIC SCIENCE
Intervention Model
CROSSOVER
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 14, 2020

First Posted

May 18, 2020

Study Start

September 28, 2020

Primary Completion

July 19, 2021

Study Completion

July 19, 2021

Last Updated

August 4, 2021

Record last verified: 2021-08

Data Sharing

IPD Sharing
Will not share

Pfizer will provide access to individual de-identified participant data and related study documents (e.g. protocol, Statistical Analysis Plan (SAP), Clinical Study Report (CSR)) upon request from qualified researchers, and subject to certain criteria, conditions, and exceptions. Further details on Pfizer's data sharing criteria and process for requesting access can be found at: https://www.pfizer.com/science/clinical\_trials/trial\_data\_and\_results/data\_requests.

Locations