A Polysomnographic Study to Compare the Efficacy of Gastric Retentive Zaleplon Accordion Pill to Placebo in Subjects With Insomnia
Double Blind, Polysomnographic, Two-Way Crossover Study To Compere The Efficacy Of Gastric Retentive Zaleplon (Zaleplon AP) To Placebo In Subjects With Insomnia Characterized By Both Difficulty In Falling Asleep And Staying Asleep
1 other identifier
interventional
83
2 countries
6
Brief Summary
This is a multi center, double blind placebo controlled, two-way crossover study in patients with Insomnia suffering from difficulty in falling asleep and staying asleep. This study intends to assess the efficacy of Zaleplon AP in improving sleep parameters, comparing to placebo.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_2
Started Jan 2011
Shorter than P25 for phase_2
6 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
January 1, 2011
CompletedFirst Submitted
Initial submission to the registry
January 12, 2011
CompletedFirst Posted
Study publicly available on registry
January 14, 2011
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 1, 2011
CompletedStudy Completion
Last participant's last visit for all outcomes
September 1, 2011
CompletedDecember 19, 2014
December 1, 2014
8 months
January 12, 2011
December 18, 2014
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
To determine the effect of dual release Zaleplon (Zaleplon AP) on Total Sleep Time (TST)
The change from baseline on the mean of drug nights 1 and 2 relative to placebo.
Polysomnography tests for 2 consecutive nights at each treatment arm
Secondary Outcomes (3)
To determine the efficacy of Zaleplon AP on Latency to Persistent Sleep (LPS)
Polysomnography tests for 2 consecutive nights at each treatment arm
To determine the efficacy of Zaleplon AP on Wake time After Sleep Onset (WASO)
Polysomnography tests for 2 consecutive nights at each treatment arm
To evaluate the presence of any residual effects using the digital symbol substitution test (DSST) and a memory test
2 consecutive mornings at each treatment arm
Study Arms (2)
Zaleplon AP formulation
EXPERIMENTALGastric Retentive Dual Release Zaleplon (Zaleplon AP)
Placebo
PLACEBO COMPARATORIdentical placebo capsule
Interventions
Eligibility Criteria
You may qualify if:
- Subjects between the ages of 18 and 65 years of age
- Subjects that meet DSM IV diagnostic criteria for Primary Insomnia
- Subjects that report a time in bed ≥6.5 and ≤9 hours
- Subjects that report on a one week sleep diary (on at least 3 of 7 nights) TST ≤6.5 hours
- Subjects that report on a one week sleep diary (on at least 3 of 7 nights)Wake time after sleep \>1.0 hour
- Subjects that report on a one week sleep diary (on at least 3 of 7 nights) ≥30 minutes time to sleep onset
- On two nights of PSG screening a mean WASO of ≥60 minutes with neither night less than 45 minutes
- On two nights of PSG screening a mean LPS of ≥20 minutes with neither night less than 15 minutes
- On two nights of PSG screening a TST of ≤6.5 hours on each of the two nights
- Body mass index of 18 - 34 inclusive
- Subjects that report a median habitual bedtime between 9:00pm (21:00 hours) and 12:00am (00:00) on a one week sleep diary (based on 3 or more nights).
You may not qualify if:
- Participation in another drug clinical trial within 1 month prior to first screening diary day (calculated from the previous study's last dosing date).
- On screening PSG night 1 an AHI \>10 (apnea hypopnea index)
- On screening PSG night 1 a PLMAI ≥10 (periodic limb movements with arousal)
- Subject has a circadian rhythm disorder including shift work or the need to travel ≥3 time zones during the course of the study
- Subject has any other sleep disorder (e.g. Restless Legs Syndrome )
- Use of any drug known to effect sleep or wake functions within 5 half lives of the drug or two weeks, whichever comes first.
- Subject with a history (past year) of alcohol or substance abuse
- Subject that needs to smoke during the sleep period time
- Subject that reports habitual napping (more than 3 times per week)
- Subject has currently or a significant history of seizures, sleep apnea or restless leg syndrome or other sleep disorders which, in the opinion of the investigator responsible, contraindicates his/her participation
- Subjects with a recent history of clinically defined GERD, peptic ulcer or any gastrointestinal surgery other than appendectomy or herniotomy which, in the opinion of the investigator responsible, contraindicates his/her participation
- Subject with any gastrointestinal disorder likely to influence drug absorption, or with any history of inflammatory bowel disease, intestinal obstruction, irritable bowel syndrome, severe gastrointestinal narrowing, or frequent nausea or emesis, regardless of etiology which, in the opinion of the investigator responsible, contraindicates his/her participation
- Subjects suffering from any Axis 1 Psychiatric Disorder that in the opinion of the investigator responsible may interfere with full participation
- Subject has significant history of cardiac, pulmonary, hepatic or renal disease or other condition or any major complication/illness which, in the opinion of the investigator responsible, contraindicates his/her participation.
- The subject has any clinically important abnormal finding as determined by a medical history, physical examination, electrocardiogram, or clinical laboratory tests, as determined by the investigator
- +2 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (6)
Pacific Sleep Medicine
San Diego, California, United States
Miami Research Associates
Miami, Florida, United States
Broward Research Group
Pembroke Pines, Florida, United States
CRG of St. Petersburg
St. Petersburg, Florida, United States
Vince and Associates Clinical Research
Overland Park, Kansas, United States
Rambam sleep center
Haifa, Israel
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- CROSSOVER
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
January 12, 2011
First Posted
January 14, 2011
Study Start
January 1, 2011
Primary Completion
September 1, 2011
Study Completion
September 1, 2011
Last Updated
December 19, 2014
Record last verified: 2014-12