Study Evaluating the Safety, Pharmacokinetics, and Pharmacodynamics of SAM-531

July 6, 2009 updated by: Wyeth is now a wholly owned subsidiary of Pfizer

An Ascending Multiple Dose Study of the Safety, Pharmacokinetics (PK), and Pharmacodynamics (PD) of SAM-531 Administered Orally to Healthy Japanese Young Male and Elderly Subjects

To assess the safety and tolerability of ascending multiple oral doses of SAM-531, an investigational drug, in healthy Japanese young male and elderly subjects.To provide the pharmacokinetics (PK) and pharmacodynamics (PD) profiles of multiple oral doses of SAM-531 in healthy Japanese young male and elderly subjects.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Anticipated)

32

Phase

  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Japan
      • Tokyo, Japan, 170-0003

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

20 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

Male

Description

Inclusion criteria

  • Men aged 20 to 45 years, inclusive, at screening.
  • Elderly men or women aged 65 years and above as of screening.
  • Body mass index (BMI) in the range of 17.6 to 26.4 kg/m2 and body weight ≥45 kg.

Exclusion critereia

  • Any significant cardiovascular, hepatic, renal, respiratory, gastrointestinal, endocrine, immunologic, dermatologic, hematologic, neurologic, or psychiatric disease.
  • Any clinically important deviation from normal limits in physical examination, vital signs, 12-lead ECGs, or clinical laboratory test results. Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) levels should be below the upper limit of normal at screening.
  • Tobacco use or consumption of any caffeine-containing products (e.g., coffee, tea, chocolate, or carbonated beverages) or alcoholic beverages within 48 hours before study day 1 until the end of the inpatient confinement period.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Single Group Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: 1
SAM 531 + placebo
Drug: SAM-531
Multiple ascending doses of SAM 531: 1,5; 3 and 5 mg.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Safety and tolerability
Time Frame: 9 months
9 months

Secondary Outcome Measures

Outcome Measure
Time Frame
Pharmacokinetics and pharmacodynamics
Time Frame: 9 months
9 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Wyeth is now a wholly owned subsidiary of Pfizer

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

May 1, 2007

Primary Completion (Actual)

January 1, 2008

Study Completion (Actual)

January 1, 2008

Study Registration Dates

First Submitted

May 24, 2007

First Submitted That Met QC Criteria

May 24, 2007

First Posted (Estimate)

May 28, 2007

Study Record Updates

Last Update Posted (Estimate)

July 7, 2009

Last Update Submitted That Met QC Criteria

July 6, 2009

Last Verified

July 1, 2009

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 3193A1-1104

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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