Completed PHASE1 INTERVENTIONAL 4-arm NCT00940550

Study to Investigate the Effects of Melatonin, Temazepam & Zolpidem on Sleep EEG in Men and Women

A Randomised, Double-Blind, Placebo-Controlled Four-Way Cross-Over Trial to Study the Effects of Prolonged-Release Melatonin, Temazepam and Zolpidem on the Spectral Composition of the EEG During Nocturnal Sleep in Healthy Middle-Aged Men and Women

Sponsor: H. Lundbeck A/S

Conditions Insomnia

Interventions Placebo to match melatonin, zolpidem and temazepam Prolonged-release melatonin Temazepam Zolpidem

Updated 6 times since 2017 Last updated: Aug 5, 2011 Started: Jul 31, 2009 Primary completion: Aug 31, 2009 Completion: Aug 31, 2009

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT00940550, this PHASE1 trial focuses on Insomnia and remains completed. Sponsored by H. Lundbeck A/S, it has been updated 6 times since 2009, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

Change History

6 versions recorded

Jan 2026 — Present [monthly]

Completed PHASE1
Sep 2024 — Present [monthly]

Completed PHASE1
Jul 2024 — Sep 2024 [monthly]

Completed PHASE1
Jan 2021 — Jul 2024 [monthly]

Completed PHASE1
Jun 2018 — Jan 2021 [monthly]

Completed PHASE1

▶ Show 1 earlier version

Jan 2017 — Jun 2018 [monthly]

Completed PHASE1

First recorded

Jul 2009

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

H. Lundbeck A/S
University of Surrey

Data source: University of Surrey

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Guildford, United Kingdom