NCT01181232

Brief Summary

The purpose of this study is to investigate the efficacy and safety of zolpidem MR (modified release) compared to zolpidem IR (immediate release) in patients with primary insomnia.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
132

participants targeted

Target at P50-P75 for phase_4

Timeline
Completed

Started Oct 2009

Geographic Reach
1 country

2 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

October 1, 2009

Completed
10 months until next milestone

First Submitted

Initial submission to the registry

August 4, 2010

Completed
9 days until next milestone

First Posted

Study publicly available on registry

August 13, 2010

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2011

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2011

Completed
Last Updated

September 10, 2014

Status Verified

August 1, 2014

Enrollment Period

1.5 years

First QC Date

August 4, 2010

Last Update Submit

September 9, 2014

Conditions

Keywords

insomniazolpidem

Outcome Measures

Primary Outcomes (2)

  • Rest/activity cycles measured by Actigraphy

    For 2 weeks (Day 0, Day 7, Day 14)

  • Total score of Pittsburgh Sleep Quality Index (PSQI)

    For 2 weeks (Day 0, Day 7, Day 14)

Secondary Outcomes (7)

  • Physician's clinical global impression (CGI)

    For 2 weeks (Day 0, Day 7, Day 14)

  • Patient's global impression (PGI)

    For 2 weeks (Day 0, Day 7, Day 14)

  • Sleep latency as derived from sleep diary

    For 2 weeks (Day 0, Day 7, Day 14)

  • Number of awakenings as derived from sleep diary

    For 2 weeks (Day 0, Day 7, Day 14)

  • Total sleep time as derived from sleep diary

    For 2 weeks (Day 0, Day 7, Day 14)

  • +2 more secondary outcomes

Study Arms (3)

MR low-dose group

EXPERIMENTAL
Drug: Zolpidem MR

MR high-dose group

EXPERIMENTAL
Drug: Zolpidem MR

IR group

ACTIVE COMPARATOR
Drug: Zolpidem IR

Interventions

oral

Also known as: Stilnox CR, Ambient CR
MR high-dose groupMR low-dose group

oral

Also known as: Stilnox
IR group

Eligibility Criteria

Age18 Years - 64 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Diagnosis of primary insomnia based on DSM-IV criteria (307.42)
  • Written informed consent has been obtained

You may not qualify if:

  • Patients with sleep apnea syndrome, narcolepsy, presence or suspicion of periodic leg movement or restless leg syndrome
  • Patients with hepatic failure, myasthenia gravis, or hypersensitivity to zolpidem
  • Patients who are known to be current drug or alcohol abuser or likely to concomitantly consume alcoholic beverages (more than 3 times/week)
  • Patients who have received antihistamines or antipsychotics will not allow to discontinue the previous medication throughout the study
  • Patients who are pregnant, lactating or intend to become pregnant during the study period
  • Patients who have received antidepressants or anxiolytics will not allow to change the dose or discontinue the previous medication throughout the study
  • Any clinically significant condition, which in the opinion of the investigator makes the patients unsuitable for the trial
  • Participation in any clinical trial within 1 month prior to randomization

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Unknown Facility

Tainan, 704, Taiwan

Location

Unknown Facility

Taipei, 100, Taiwan

Location

MeSH Terms

Conditions

Sleep Initiation and Maintenance Disorders

Interventions

Zolpidem

Condition Hierarchy (Ancestors)

Sleep Disorders, IntrinsicDyssomniasSleep Wake DisordersNervous System DiseasesMental Disorders

Intervention Hierarchy (Ancestors)

PyridinesHeterocyclic Compounds, 1-RingHeterocyclic Compounds

Study Officials

  • Use Central Contact

    Astellas Pharma Inc

    STUDY CHAIR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 4, 2010

First Posted

August 13, 2010

Study Start

October 1, 2009

Primary Completion

April 1, 2011

Study Completion

April 1, 2011

Last Updated

September 10, 2014

Record last verified: 2014-08

Locations