A Study To Evaluate The PDE10 Enzyme Occupancy Following A Single Dose Of PF-02545920 In Healthy Male Volunteers

NCT ID: NCT01918202

Last Updated: 2014-11-10

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE1

Total Enrollment

9 participants

Study Classification

INTERVENTIONAL

Study Start Date

2014-03-31

Study Completion Date

2014-09-30

Brief Summary

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This Phase 1 study will evaluate PDE10 enzyme occupancy using Positron Emission Tomography after a single dose of PF-02545920 in Healthy male volunteers.

Detailed Description

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Conditions

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Healthy

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

NONE

Study Groups

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Cohort 1 - 20 mg

Cohort will include 4 HVs/completers who will receive a single 20 mg dose of PF-02545920.

Group Type EXPERIMENTAL

20 mg PF-02545920

Intervention Type DRUG

Subject will receive a single dose of 20 mg PF-02545920.

Cohort 2 ( adaptive dose, optional)

Cohort 2 will include 4 HVs/completers who will receive a single dose of PF-02545920. The dose will be selected based on the results obtained for Cohort 1.

Group Type EXPERIMENTAL

PF-02545920

Intervention Type DRUG

The dose will be selected based on the results obtained for Cohort 1. Dose options range from 30 mg to 10 mg, 5 mg, 2mg, 1 mg.

This cohort is optional.

Cohort 3 ( adaptive dose, optional)

Cohort 3 will include 4 HVs/completers who will receive a single dose of PF-02545920. The dose will be selected based on the results obtained for Cohort 1.

Dose options range from 30 mg to 10 mg, 5 mg, 2mg, 1 mg. This cohort is optional

Group Type EXPERIMENTAL

PF-02545920

Intervention Type DRUG

The dose will be selected based on the results obtained for Cohort 1 and cohort 2.

Interventions

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20 mg PF-02545920

Subject will receive a single dose of 20 mg PF-02545920.

Intervention Type DRUG

PF-02545920

The dose will be selected based on the results obtained for Cohort 1. Dose options range from 30 mg to 10 mg, 5 mg, 2mg, 1 mg.

This cohort is optional.

Intervention Type DRUG

PF-02545920

The dose will be selected based on the results obtained for Cohort 1 and cohort 2.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* healthy male volunteers

Exclusion Criteria

* History of orthostatic hypotension
* History of prior radiation exposure for research purposes, or radiation therapy
Minimum Eligible Age

21 Years

Maximum Eligible Age

55 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes

Sponsors

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Pfizer

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Pfizer CT.gov Call Center

Role: STUDY_DIRECTOR

Pfizer

Locations

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Karolinska Trial Alliance (KTA) M62

Huddinge, Stockholm County, Sweden

Site Status

Countries

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Sweden

References

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Delnomdedieu M, Forsberg A, Ogden A, Fazio P, Yu CR, Stenkrona P, Duvvuri S, David W, Al-Tawil N, Vitolo OV, Amini N, Nag S, Halldin C, Varrone A. In vivo measurement of PDE10A enzyme occupancy by positron emission tomography (PET) following single oral dose administration of PF-02545920 in healthy male subjects. Neuropharmacology. 2017 May 1;117:171-181. doi: 10.1016/j.neuropharm.2017.01.016. Epub 2017 Jan 22.

Reference Type DERIVED
PMID: 28122201 (View on PubMed)

Related Links

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Other Identifiers

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2013-002733-38

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

A8241017

Identifier Type: -

Identifier Source: org_study_id