# Subjective Study to Assess the Efficacy of APD125 in Patients With Sleep Maintenance Insomnia

> **NCT00664664** · PHASE2 · COMPLETED · sponsor: **Arena Pharmaceuticals** · enrollment: 744 (actual)

## Conditions studied

- Primary Insomnia

## Interventions

- **DRUG:** APD125
- **DRUG:** APD125
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT00664664
- **Lead sponsor:** Arena Pharmaceuticals
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2008-04
- **Primary completion:** 2008-10
- **Final completion:** 2008-11
- **Target enrollment:** 744 (ACTUAL)
- **Last updated:** 2020-12-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00664664

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00664664, "Subjective Study to Assess the Efficacy of APD125 in Patients With Sleep Maintenance Insomnia". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT00664664. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*