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Study to Evaluate the Effect of Multiple-Dose Ritlecitinib on the Pharmacokinetics (PK) of Tolbutamide

CompletedPhase 1

Sponsor: Pfizer

Conditions: Healthy Volunteers

Interventions: Ritlecitinib, Tolbutamide

Countries: United States

This is a Phase 1, 2-period, multiple-dose, open-label, single fixed sequence study of the effect of ritlecitinib on tolbutamide pharmacokinetics in healthy participants.

Eligibility overview

Sex: ALL

Age: 18 Years to 65 Years

Healthy volunteers: Yes

Study type: INTERVENTIONAL

Eligibility criteria

Inclusion Criteria:

* Male and/or female participants who are healthy as determined by medical evaluation including medical history, full physical examination (including BP and pulse rate measurements), clinical laboratory tests, and 12-lead ECG.
* BMI of 17.5 to 30.5 kg/m2; and a total body weight \>50 kg (110 lb).

Exclusion Criteria:

* Past/present clinically significant hematological, renal, endocrine, pulmonary, GI, CV, hepatic, psychiatric, neurological, dermatological or allergic disease (including drug allergies).
* Any condition possibly affecting drug absorption (eg, gastrectomy, cholecystectomy).
* Infection with hepatitis B or C viruses.
* Participants with any of the following acute or chronic infections or infection history: any infection requiring treatment within 2 weeks prior to the start of study participation; any infection requiring hospitalization or parenteral antimicrobial therapy within 60 days of the first dose of investigational product; any infection judged to be an opportunistic infection or clinically significant within the past 6 months of the first dose of investigational product; known active or history of recurrent bacterial, viral, fungal, mycobacterial or other infections; history of recurrent localized dermatomal herpes zoster, or history of disseminated (single episode) herpes simplex or disseminated herpes zoster.
* History of any lymphoproliferative disorder such as EBV related lymphoproliferative disorder, history of lymphoma, history of leukemia, or signs or symptoms suggestive of current lymphatic or lymphoid disease.
* Known presence or a history of malignancy other than a successfully treated or excised non-metastatic basal cell or squamous cell cancer of the skin or cervical carcinoma in situ.

Locations (1)

New Haven, Connecticut, United States