NCT00506389

Brief Summary

The purpose of this trial is to investigate the efficacy, safety and tolerability of esmirtazapine (Org 50081) compared to placebo in patients with chronic primary insomnia.

Trial Health

100
On Track

Trial Health Score

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

Enrollment
419

participants targeted

Target at P50-P75 for phase_3

Timeline
Completed

Started Jun 2007

Shorter than P25 for phase_3

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

June 6, 2007

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

July 23, 2007

Completed
2 days until next milestone

First Posted

Study publicly available on registry

July 25, 2007

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 13, 2008

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 13, 2008

Completed
6.5 years until next milestone

Results Posted

Study results publicly available

August 6, 2014

Completed
Last Updated

October 2, 2018

Status Verified

September 1, 2018

Enrollment Period

8 months

First QC Date

July 23, 2007

Results QC Date

July 14, 2014

Last Update Submit

September 4, 2018

Conditions

Keywords

Sleep Initiation and Maintenance Disorders, Sleep Disorders, Intrinsic Dyssomnias, Sleep Disorders, Nervous System Diseases, Mental Disorders

Outcome Measures

Primary Outcomes (1)

  • Average Wake Time After Sleep Onset (WASO) During the In-Treatment Period

    WASO was defined as the total objective time awake after the onset of persistent sleep until the end of the 8-hour sleep cycle period as measured by polysomnography (PSG). WASO was calculated as the mean of Nights 1, 15, and 36.

    From Day 1 to Day 36

Secondary Outcomes (2)

  • Average Latency to Persistent Sleep (LPS) During the In-Treatment Period

    From Day 1 to Day 36

  • Average Subjective Total Sleep Time (TST) During the In-Treatment Period

    From Day 1 to Day 36

Study Arms (3)

Esmirtazapine 3.0 mg

EXPERIMENTAL

Participants took placebo tablets on Days -7 and -6, esmirtazapine 3.0 mg tablets on Days 1-42, and placebo tablets on Days 43-50. Tablets were taken by mouth once daily in the evening.

Drug: Esmirtazapine

Esmirtazapine 4.5 mg

EXPERIMENTAL

Participants took placebo tablets on Days -7 and -6, esmirtazapine 4.5 mg tablets on Days 1-42, and placebo tablets on Days 43-50. Tablets were taken by mouth once daily in the evening.

Drug: Esmirtazapine

Placebo

PLACEBO COMPARATOR

Participants took placebo tablets on Days -7 and -6, placebo tablets on Days 1-42, and placebo tablets on Days 43-50. Tablets were taken by mouth once daily in the evening.

Drug: Placebo

Interventions

Esmirtazapine maleate was provided as tablets for oral use containing 3.0 mg, or 4.5 mg of active compound. In addition, tablets contain the following excipients: hydroxypropyl cellulose, maize starch (United States Pharmacopeia \[USP\] name corn starch), magnesium stearate, and lactose monohydrate.

Also known as: ORG 50081
Esmirtazapine 3.0 mgEsmirtazapine 4.5 mg

The placebo tablets contained the following excipients: hydroxypropyl cellulose, maize starch (USP name corn starch), magnesium stearate, and lactose monohydrate.

Placebo

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Documented diagnosis of chronic primary insomnia

You may not qualify if:

  • Other sleep disorder such as sleep apnea, restless leg syndrome, narcolepsy, sleep/wake rhythm disorders
  • Has significant medical or psychiatric illness as causing the sleep disorder
  • Diagnosed with major depressive disorder
  • Substance abuse within the past year
  • Night worker or work on rotating shifts
  • Has had serious head injury, stroke, epilepsy
  • Has a history of bipolar disorder or family (immediate family) history of suicide
  • Smokes more than 15 cigarettes per day and cannot abstain from smoking during the night or in the sleep laboratory
  • Drinks beverages containing more than 500 mg caffeine per day

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (1)

  • Ivgy-May N, Ruwe F, Krystal A, Roth T. Esmirtazapine in non-elderly adult patients with primary insomnia: efficacy and safety from a randomized, 6-week sleep laboratory trial. Sleep Med. 2015 Jul;16(7):838-44. doi: 10.1016/j.sleep.2015.04.001. Epub 2015 Apr 16.

MeSH Terms

Conditions

Sleep Initiation and Maintenance DisordersSleep Wake DisordersNervous System DiseasesMental Disorders

Interventions

Mirtazapine

Condition Hierarchy (Ancestors)

Sleep Disorders, IntrinsicDyssomniasNeurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

DibenzazepinesHeterocyclic Compounds, 3-RingHeterocyclic Compounds, Fused-RingHeterocyclic Compounds

Results Point of Contact

Title
Senior Vice President, Global Clinical Development Group Leader
Organization
Merck Sharp & Dohme Corp.

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

Study Design

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

Study Record Dates

First Submitted

July 23, 2007

First Posted

July 25, 2007

Study Start

June 6, 2007

Primary Completion

February 13, 2008

Study Completion

February 13, 2008

Last Updated

October 2, 2018

Results First Posted

August 6, 2014

Record last verified: 2018-09

Data Sharing

IPD Sharing
Will share

https://www.merck.com/clinical-trials/pdf/ProcedureAccessClinicalTrialData.pdf

More information