A Study In Healthy People To Investigate The Safety, Toleration And Time Course Of Blood Concentrations Of Multiple Doses Of PF-03654764, Given By Mouth

A Double Blind (3rd Party Open), Randomized, Placebo Controlled, Dose Escalation Study To Investigate The Safety, Toleration, And Pharmacokinetics Of Multiple Oral Doses Of PF-03654764 In Healthy Subjects

The purpose of this study in heathy people is to investigate the safety, toleration and time course of PF-03654764 in the blood, following multiple doses given once or twice daily by mouth for 10 days.

Study Overview

• Status: Completed
• Conditions: Healthy
• Intervention / Treatment: Drug: PF-03654764; Drug: placebo; Drug: PF-03654764; Drug: PF-03654764; Drug: placebo

• Study Type: Interventional
• Enrollment (Actual): 36
• Phase: Phase 1

Contacts and Locations

Study Locations

• Singapore
  • Singapore, Singapore, 188770
    • Pfizer Investigational Site

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 21 years to 55 years (Adult)
• Accepts Healthy Volunteers: No
• Genders Eligible for Study: All

Description

Inclusion Criteria:

• Healthy subjects. (Healthy is defined as no clinically relevant abnormalities identified by a detailed medical history, full physical examination, including blood pressure and pulse rate measurement, 12-lead ECG and clinical laboratory tests).

Exclusion Criteria:

• Evidence or history of clinically significant hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, neurologic, or allergic disease (including drug allergies, but excluding untreated, asymptomatic, seasonal allergies at time of dosing).
• A positive urine drug screen.
• Treatment with an investigational drug within 30 days (or as determined by the local requirement, whichever is longer) or 5 half-lives preceding the first dose of study medication.

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Basic Science
• Allocation: Randomized
• Interventional Model: Parallel Assignment
• Masking: Double

Number of Arms

3

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Experimental: Cohort 1; Subjects will be assigned to receive either PF-03654764 or placebo.	Drug: PF-03654764; 5mg orally once daily for 10 days. After satisfactory review of the available safety, toleration and PK data, progression to the next dose will occur if the last dose was well tolerated. If the previous dose was not well tolerated, after review of the safety data, and discussion between the Pfizer Study Team and the Investigator, the same dose may be given again, a lower dose within the tolerated dose range may be given, or the study may be stopped. The dose increments will be based on emerging safety and toleration data, as well as plasma exposure estimates and forward predictions of PK. Nominal administered doses will not exceed 24 mg per day.; Drug: placebo; orally once daily for 10 days. After satisfactory review of the available safety, toleration and PK data, progression to the next dose will occur if the last dose was well tolerated. If the previous dose was not well tolerated, after review of the safety data, and discussion between the Pfizer Study Team and the Investigator, the same dose may be given again, a lower dose within the tolerated dose range may be given, or the study may be stopped. The dose increments will be based on emerging safety and toleration data, as well as plasma exposure estimates and forward predictions of PK. Nominal administered doses will not exceed 24 mg per day.; Drug: PF-03654764; 12mg orally once daily for 10 days. After satisfactory review of the available safety, toleration and PK data, progression to the next dose will occur if the last dose was well tolerated. If the previous dose was not well tolerated, after review of the safety data, and discussion between the Pfizer Study Team and the Investigator, the same dose may be given again, a lower dose within the tolerated dose range may be given, or the study may be stopped. The dose increments will be based on emerging safety and toleration data, as well as plasma exposure estimates and forward predictions of PK. Nominal administered doses will not exceed 24 mg per day.; Drug: PF-03654764; 12mg orally twice daily on Days 1-9, and once on Day 10 After satisfactory review of the available safety, toleration and PK data, progression to the next dose will occur if the last dose was well tolerated. If the previous dose was not well tolerated, after review of the safety data, and discussion between the Pfizer Study Team and the Investigator, the same dose may be given again, a lower dose within the tolerated dose range may be given, or the study may be stopped. The dose increments will be based on emerging safety and toleration data, as well as plasma exposure estimates and forward predictions of PK. Nominal administered doses will not exceed 24 mg per day.; Drug: placebo; oral twice daily on Days 1-9 and once on Day 10. After satisfactory review of the available safety, toleration and PK data, progression to the next dose will occur if the last dose was well tolerated. If the previous dose was not well tolerated, after review of the safety data, and discussion between the Pfizer Study Team and the Investigator, the same dose may be given again, a lower dose within the tolerated dose range may be given, or the study may be stopped. The dose increments will be based on emerging safety and toleration data, as well as plasma exposure estimates and forward predictions of PK. Nominal administered doses will not exceed 24 mg per day.
Experimental: Cohort 2; Subjects will be assigned to receive either PF-03654764 or placebo.	Drug: PF-03654764; 5mg orally once daily for 10 days. After satisfactory review of the available safety, toleration and PK data, progression to the next dose will occur if the last dose was well tolerated. If the previous dose was not well tolerated, after review of the safety data, and discussion between the Pfizer Study Team and the Investigator, the same dose may be given again, a lower dose within the tolerated dose range may be given, or the study may be stopped. The dose increments will be based on emerging safety and toleration data, as well as plasma exposure estimates and forward predictions of PK. Nominal administered doses will not exceed 24 mg per day.; Drug: placebo; orally once daily for 10 days. After satisfactory review of the available safety, toleration and PK data, progression to the next dose will occur if the last dose was well tolerated. If the previous dose was not well tolerated, after review of the safety data, and discussion between the Pfizer Study Team and the Investigator, the same dose may be given again, a lower dose within the tolerated dose range may be given, or the study may be stopped. The dose increments will be based on emerging safety and toleration data, as well as plasma exposure estimates and forward predictions of PK. Nominal administered doses will not exceed 24 mg per day.; Drug: PF-03654764; 12mg orally once daily for 10 days. After satisfactory review of the available safety, toleration and PK data, progression to the next dose will occur if the last dose was well tolerated. If the previous dose was not well tolerated, after review of the safety data, and discussion between the Pfizer Study Team and the Investigator, the same dose may be given again, a lower dose within the tolerated dose range may be given, or the study may be stopped. The dose increments will be based on emerging safety and toleration data, as well as plasma exposure estimates and forward predictions of PK. Nominal administered doses will not exceed 24 mg per day.; Drug: PF-03654764; 12mg orally twice daily on Days 1-9, and once on Day 10 After satisfactory review of the available safety, toleration and PK data, progression to the next dose will occur if the last dose was well tolerated. If the previous dose was not well tolerated, after review of the safety data, and discussion between the Pfizer Study Team and the Investigator, the same dose may be given again, a lower dose within the tolerated dose range may be given, or the study may be stopped. The dose increments will be based on emerging safety and toleration data, as well as plasma exposure estimates and forward predictions of PK. Nominal administered doses will not exceed 24 mg per day.; Drug: placebo; oral twice daily on Days 1-9 and once on Day 10. After satisfactory review of the available safety, toleration and PK data, progression to the next dose will occur if the last dose was well tolerated. If the previous dose was not well tolerated, after review of the safety data, and discussion between the Pfizer Study Team and the Investigator, the same dose may be given again, a lower dose within the tolerated dose range may be given, or the study may be stopped. The dose increments will be based on emerging safety and toleration data, as well as plasma exposure estimates and forward predictions of PK. Nominal administered doses will not exceed 24 mg per day.
Experimental: Cohort 3; Subjects will be assigned to receive either PF-03654764 or placebo.	Drug: PF-03654764; 5mg orally once daily for 10 days. After satisfactory review of the available safety, toleration and PK data, progression to the next dose will occur if the last dose was well tolerated. If the previous dose was not well tolerated, after review of the safety data, and discussion between the Pfizer Study Team and the Investigator, the same dose may be given again, a lower dose within the tolerated dose range may be given, or the study may be stopped. The dose increments will be based on emerging safety and toleration data, as well as plasma exposure estimates and forward predictions of PK. Nominal administered doses will not exceed 24 mg per day.; Drug: placebo; orally once daily for 10 days. After satisfactory review of the available safety, toleration and PK data, progression to the next dose will occur if the last dose was well tolerated. If the previous dose was not well tolerated, after review of the safety data, and discussion between the Pfizer Study Team and the Investigator, the same dose may be given again, a lower dose within the tolerated dose range may be given, or the study may be stopped. The dose increments will be based on emerging safety and toleration data, as well as plasma exposure estimates and forward predictions of PK. Nominal administered doses will not exceed 24 mg per day.; Drug: PF-03654764; 12mg orally once daily for 10 days. After satisfactory review of the available safety, toleration and PK data, progression to the next dose will occur if the last dose was well tolerated. If the previous dose was not well tolerated, after review of the safety data, and discussion between the Pfizer Study Team and the Investigator, the same dose may be given again, a lower dose within the tolerated dose range may be given, or the study may be stopped. The dose increments will be based on emerging safety and toleration data, as well as plasma exposure estimates and forward predictions of PK. Nominal administered doses will not exceed 24 mg per day.; Drug: PF-03654764; 12mg orally twice daily on Days 1-9, and once on Day 10 After satisfactory review of the available safety, toleration and PK data, progression to the next dose will occur if the last dose was well tolerated. If the previous dose was not well tolerated, after review of the safety data, and discussion between the Pfizer Study Team and the Investigator, the same dose may be given again, a lower dose within the tolerated dose range may be given, or the study may be stopped. The dose increments will be based on emerging safety and toleration data, as well as plasma exposure estimates and forward predictions of PK. Nominal administered doses will not exceed 24 mg per day.; Drug: placebo; oral twice daily on Days 1-9 and once on Day 10. After satisfactory review of the available safety, toleration and PK data, progression to the next dose will occur if the last dose was well tolerated. If the previous dose was not well tolerated, after review of the safety data, and discussion between the Pfizer Study Team and the Investigator, the same dose may be given again, a lower dose within the tolerated dose range may be given, or the study may be stopped. The dose increments will be based on emerging safety and toleration data, as well as plasma exposure estimates and forward predictions of PK. Nominal administered doses will not exceed 24 mg per day.

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Time Frame
safety & toleration: Adverse events, vital signs, 12 lead ECG, blood and urine safety tests, suicidality assessment using the Suicidality Tracking Scale (STS) and physical examination.	10 days

Secondary Outcome Measures

Outcome Measure	Time Frame
Plasma pharmacokinetics: Cmax, Tmax, AUCtau, t½, AUCtau (Day 10)/AUCtau (Day 1), CL/F	10 days
Urine pharmacokinetics: Ae24 & Ae24% (for once daily doses) or Ae12 & Ae12% (for twice daily dose) on Day 10, CLR	10 days

Collaborators and Investigators

• Sponsor: Pfizer

Study record dates

Study Major Dates

• Study Start: October 1, 2009
• Primary Completion (Actual): December 1, 2009
• Study Completion (Actual): December 1, 2009

Study Registration Dates

• First Submitted: October 2, 2009
• First Submitted That Met QC Criteria: October 2, 2009
• First Posted (Estimate): October 5, 2009

Study Record Updates

• Last Update Posted (Estimate): December 16, 2009
• Last Update Submitted That Met QC Criteria: December 15, 2009
• Last Verified: December 1, 2009

More Information

Terms related to this study

• Keywords: Phase 1 multiple dose safety toleration pharmacokinetic
• Other Study ID Numbers: B0711002

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: No
• Studies a U.S. FDA-regulated device product: No
• product manufactured in and exported from the U.S.: No