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Primary InsomniaPhase 4NCT01896336

Efficacy and Safety of 5 mg Sublingual Zolpidem vs 10mg Oral Zolpidem in the Induction and Maintenance of Sleep in Patients With Primary Insomnia

A Phase 4 study testing Zolpidem Hemitartrate in people with Primary Insomnia, run by EMS at 1 site in Brazil.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to evaluate the efficacy and safety of sublingual zolpidem presentation 5 mg in the induction of sleep in patients with primary insomnia. Read more about this study

Who is it for?
Ages 20 to 64 years
Conditions the study is for
Primary Insomnia
What is being tested?
Zolpidem Hemitartrate
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
67 participants
Where
1 siteBrazil
Study dates
18 Feb 2013to 10 Dec 2013
Phase
Phase 4
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 20 to 64 years
  • All sexes
  • No healthy volunteers
  • Adult

Who may be able to join

  • Men or women aged between 20 and 64 years;
  • Diagnosis of primary insomnia according to criteria defined by DSM-IV;
  • Difficulty in maintaining sleep and waking up until 3 am;
  • Not having used any psychoactive drug in the last 30 days prior to their inclusion in the study;
  • Signature of IC.

Who cannot join

  • Previous history of serious medical illness, neurological or psychiatric disorder;
  • Allergy or hypersensitivity to zolpidem;
  • Obstructive Sleep Apnea syndrome;
  • Polysomnography with apnea and hypopnea index >10/hour or PLM >15/h;
  • Other secondary sleep disorders;
  • History of substance abuse or dependence;
  • History of daily consumption of alcoholic beverages;
  • Pregnancy, lactation or refusal to use safe contraceptive methods during the study.

Trial locations and contacts

1 site in 1 country.

Brazil1 site
  • AFIP

    São Paulo, Sâo Paulo, 04020-060

Other trials in Brazil

About this study

Official title: National Study, Phase IV, Single-center, Double-blind, Randomized, Parallel, Controlled by 10 mg Oral Zolpidem, in Evaluating the Efficacy and Safety of Zolpidem 5 mg Sublingual in the Induction and Maintenance of Sleep in Patients With Primary Insomnia

The purpose of this study is to evaluate the efficacy and safety of sublingual zolpidem presentation 5 mg in the induction of sleep in patients with primary insomnia.

Read the detailed description
  • National study, phase IV, single-center, double-blind, randomized, parallel, controlled by zolpidem 10mg oral.
  • Experiment duration: 93 days.
  • 05 visits (days -3, 0, 15, 45 and 90).
  • Efficacy will be evaluated for: Sleep induction and the maintenance of sleep.
  • Adverse events evaluation.
Being tested
Zolpidem Hemitartrate
Medical subject headings
Sleep Initiation and Maintenance Disorders

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Zolpidem HemitartrateDrug

    Also called Patz - 5mg sublingual zolpidem hemitartrate, Stilnox - 10mg oral zolpidem hemitartrate

    Patz - 5mg sublingual zolpidem hemitartrate

    1 QD

    Stilnox - 10mg oral zolpidem hemitartrate

    1 QD

Study groups in NCT01896336
Study groupRoleWhat they receive
5mg sublingual Zolpidem hemitartrateExperimental1 QD
Receives: Drug: Zolpidem Hemitartrate
10 mg oral Zolpidem hemitartrateActive comparator1 QD.
Receives: Drug: Zolpidem Hemitartrate

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Efficacy will be measured by sleep induction and maintenance.

    Sleep induction is measured by time to sleep after administration of the investigational product.

    The maintenance will be measured by the use of medication in the middle of the night and also by the elapsed time to sleep after administration of the investigational drug.

    Measured: 90 days

Secondary outcomes (1)
  1. Safety will be evaluated by the adverse events occurrences

    Adverse events will be collected and followed in order to evaluate safety and tolerability

    Measured: 90 days

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted11 Jul 2013 (estimated)
  2. Study start18 Feb 2013
  3. Primary completion11 Nov 2013
  4. Study completion10 Dec 2013

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 4
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
67 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01896336
Sponsor's protocol ID
ZPDEMS1011
Status last verified
Feb 2021
First submitted
8 Jul 2013
Last updated
24 Feb 2021
Results posted
No
Data monitoring committee
Yes

Publications

  • Castro LS, Otuyama LJ, Fumo-Dos-Santos C, Tufik S, Poyares D. Sublingual and oral zolpidem for insomnia disorder: a 3-month randomized trial. Braz J Psychiatry. 2020 Apr;42(2):175-184. doi: 10.1590/1516-4446-2019-0389. Epub 2019 Dec 20.

    PubMed 31859791

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Zolpidem Hemitartrate in people with Primary Insomnia, run by EMS at 1 site in Brazil.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 8 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 24 Feb 2021. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Brazil. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Efficacy will be measured by sleep induction and maintenance. (time frame: 90 days). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT01896336, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 24 Feb 2021.

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