# Study of Melatonin on Sleep, Pain, and Confusion After Joint Replacement Surgery

> **NCT01505465** · NA · COMPLETED · sponsor: **Hospital for Special Surgery, New York** · enrollment: 50 (actual)

## Conditions studied

- Postoperative Pain
- Delirium
- Confusion
- Sleep

## Interventions

- **DRUG:** Melatonin
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT01505465
- **Lead sponsor:** Hospital for Special Surgery, New York
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2012-02
- **Primary completion:** 2013-06
- **Final completion:** 2013-06
- **Target enrollment:** 50 (ACTUAL)
- **Last updated:** 2022-05-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01505465

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01505465, "Study of Melatonin on Sleep, Pain, and Confusion After Joint Replacement Surgery". Retrieved via AI Analytics 2026-06-14 from https://api.ai-analytics.org/clinical/NCT01505465. Licensed CC0.

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