NCT00748592

Brief Summary

This is a randomized, double-blind, placebo-controlled, multicenter trial with a 4-way crossover design. Elderly subjects with primary insomnia who meet screening requirements will initially be randomized into the study and receive the first of 4 treatments (PD 0200390 5 mg, 15 mg and 30 mg or placebo) daily 30 minutes before bed time for 2 consecutive days in a polysomnography (PSG) lab.

Trial Health

15
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Timeline
Completed

Started Jan 2009

Shorter than P25 for phase_2

Status
withdrawn

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

First Submitted

Initial submission to the registry

September 5, 2008

Completed
3 days until next milestone

First Posted

Study publicly available on registry

September 8, 2008

Completed
4 months until next milestone

Study Start

First participant enrolled

January 1, 2009

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2009

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2009

Completed
Last Updated

February 12, 2009

Status Verified

February 1, 2009

Enrollment Period

5 months

First QC Date

September 5, 2008

Last Update Submit

February 11, 2009

Conditions

Keywords

Insomnia, Primary Insomnia, Chronic Insomnia, DIMS (Disorders of Initiating and Maintaining Sleep), Disorders of Initiating and Maintaining Sleep

Outcome Measures

Primary Outcomes (1)

  • Wake After Sleep Onset (WASO) as determined by PSG assessment

    Days -7, -6, 1, 2, 8, 9, 15, 16, 22, and 23

Secondary Outcomes (15)

  • Sleep and early morning behavior as determined by Leeds Sleep Evaluation Questionnaire (LSEQ)

    Days -6, -5, 2, 3, 9, 10, 16, 17, 23, and 24

  • Latency to persistent sleep (LPS) as determined by PSG assessment

    Days -7, -6, 1, 2, 8, 9, 15, 16, 22, and 23

  • Latency to REM Sleep as determined by PSG assessment

    Days -7, -6, 1, 2, 8, 9, 15, 16, 22, and 23

  • Sleep efficiency (SE) as determined by PSG assessment

    Days -7, -6, 1, 2, 8, 9, 15, 16, 22, and 23

  • Number of awakenings after sleep onset (NAASO) as determined by PSG assessment

    Days -7, -6, 1, 2, 8, 9, 15, 16, 22, and 23

  • +10 more secondary outcomes

Study Arms (4)

Placebo

PLACEBO COMPARATOR
Drug: Placebo

PD 0200390, 5 mg

EXPERIMENTAL
Drug: PD 0200390

PD 0200390, 15 mg

EXPERIMENTAL
Drug: PD 0200390

PD 0200390, 30 mg

EXPERIMENTAL
Drug: PD 0200390

Interventions

Subjects in this arm will be administered 3 capsules of placebo 30 minutes before bedtime for two consecutive nights in the sleep lab.

Placebo

Subjects in this arm will be administered 3 capsules totaling 5 milligrams 30 minutes before bedtime for two consecutive nights in the sleep lab.

PD 0200390, 5 mg

Eligibility Criteria

Age65 Years+
Sexall
Healthy VolunteersNo
Age GroupsOlder Adult (65+)

You may qualify if:

  • month history of primary insomnia
  • Difficulty initiating and maintaining sleep for at least 3 nights/week for the past month (difficulty falling asleep, difficulty staying asleep, early awakening)

You may not qualify if:

  • Any history of psychiatric diagnosis
  • History or presence of any breathing related sleep disorder
  • History or presence of any medical or neurological condition that could interfere with sleep
  • Use of alcohol as a sleep aid or more than 2 standard drinks consumed per day or more than 14 consumed per week

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Links

MeSH Terms

Conditions

Sleep Initiation and Maintenance Disorders

Interventions

(1-aminomethyl-3,4-dimethylcyclopentyl)acetic acid

Condition Hierarchy (Ancestors)

Sleep Disorders, IntrinsicDyssomniasSleep Wake DisordersNervous System DiseasesMental Disorders

Study Officials

  • Pfizer CT.gov Call Center

    Pfizer

    STUDY DIRECTOR
0

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
CROSSOVER
Sponsor Type
INDUSTRY

Study Record Dates

First Submitted

September 5, 2008

First Posted

September 8, 2008

Study Start

January 1, 2009

Primary Completion

June 1, 2009

Study Completion

June 1, 2009

Last Updated

February 12, 2009

Record last verified: 2009-02