NCT00666575

Brief Summary

The purpose of this study is to assess the safety of gabapentin, as compared to placebo, in a potential over-the-counter population with reports of occasional sleeplessness

Trial Health

87
On Track

Trial Health Score

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

Enrollment
2,105

participants targeted

Target at P75+ for phase_3

Timeline
Completed

Started Dec 2004

Shorter than P25 for phase_3

Geographic Reach
1 country

23 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

Study Start

First participant enrolled

December 1, 2004

Completed
5 months until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2005

Completed
3 years until next milestone

First Submitted

Initial submission to the registry

April 23, 2008

Completed
2 days until next milestone

First Posted

Study publicly available on registry

April 25, 2008

Completed
Last Updated

February 2, 2021

Status Verified

April 1, 2008

First QC Date

April 23, 2008

Last Update Submit

February 1, 2021

Conditions

Outcome Measures

Primary Outcomes (1)

  • Adverse Events

    Day 45

Secondary Outcomes (10)

  • Pulse and Blood Pressure

    Day 45

  • Subjective proportion of nights having difficulty sleeping

    Day 45

  • Subjective Sleep Latency

    Day 45

  • Subjective Wake After Sleep Onset

    Day 45

  • Subjective Number of Awakenings

    Day 45

  • +5 more secondary outcomes

Study Arms (2)

Gabapentin

EXPERIMENTAL
Drug: Gabapentin

Placebo

PLACEBO COMPARATOR
Drug: Placebo

Interventions

Gabapentin 500 mg oral capsule 30 minutes prior to bedtime for 28 days

Gabapentin

Matched placebo oral capsule 30 minutes prior to bedtime for 28 days

Placebo

Eligibility Criteria

Age12 Years+
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • Subjects \>/= 12 years of age who reported occasional sleeplessness in month prior to screening

You may not qualify if:

  • Females who were pregnant or breastfeeding

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (23)

Pfizer Investigational Site

Mobile, Alabama, 36608, United States

Location

Pfizer Investigational Site

Phoenix, Arizona, 85018, United States

Location

Pfizer Investigational Site

Beverly Hills, California, 90211, United States

Location

Pfizer Investigational Site

San Francisco, California, 94102, United States

Location

Pfizer Investigational Site

Clearwater, Florida, 33765, United States

Location

Pfizer Investigational Site

DeLand, Florida, 32720, United States

Location

Pfizer Investigational Site

New Port Richey, Florida, 34652, United States

Location

Pfizer Investigational Site

Pembroke Pines, Florida, 33024, United States

Location

Pfizer Investigational Site

West Palm Beach, Florida, 33409, United States

Location

Pfizer Investigational Site

Atlanta, Georgia, 30328, United States

Location

Pfizer Investigational Site

Boise, Idaho, 83704, United States

Location

Pfizer Investigational Site

Boise, Idaho, 83712, United States

Location

Pfizer Investigational Site

Indianapolis, Indiana, 46250, United States

Location

Pfizer Investigational Site

Las Vegas, Nevada, 89104, United States

Location

Pfizer Investigational Site

Las Vegas, Nevada, 89128, United States

Location

Pfizer Investigational Site

Santa Fe, New Mexico, 87505, United States

Location

Pfizer Investigational Site

Nashville, Tennessee, 37203, United States

Location

Pfizer Investigational Site

Austin, Texas, 78705, United States

Location

Pfizer Investigational Site

Fort Worth, Texas, 76135, United States

Location

Pfizer Investigational Site

San Antonio, Texas, 78205, United States

Location

Pfizer Investigational Site

San Antonio, Texas, 78229, United States

Location

Pfizer Investigational Site

Salt Lake City, Utah, 84102, United States

Location

Pfizer Investigational Site

West Jordan, Utah, 84088, United States

Location

Related Links

MeSH Terms

Conditions

Sleep Initiation and Maintenance Disorders

Interventions

Gabapentin

Condition Hierarchy (Ancestors)

Sleep Disorders, IntrinsicDyssomniasSleep Wake DisordersNervous System DiseasesMental Disorders

Intervention Hierarchy (Ancestors)

AminesOrganic Chemicalsgamma-Aminobutyric AcidAminobutyratesButyratesAcids, AcyclicCarboxylic AcidsCyclohexanecarboxylic AcidsAcids, CarbocyclicCyclohexanesCycloparaffinsHydrocarbons, AlicyclicHydrocarbons, CyclicHydrocarbonsAmino AcidsAmino Acids, Peptides, and Proteins

Study Officials

  • Pfizer CT.gov Call Center

    Pfizer

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 23, 2008

First Posted

April 25, 2008

Study Start

December 1, 2004

Study Completion

May 1, 2005

Last Updated

February 2, 2021

Record last verified: 2008-04

Locations