# Immune-Pineal Axis Function in Fibromyalgia

> **NCT02041455** · PHASE2,PHASE3 · UNKNOWN · sponsor: **Hospital de Clinicas de Porto Alegre** · enrollment: 66 (estimated)

## Conditions studied

- Fibromyalgia

## Interventions

- **DRUG:** Melatonin and Placebo
- **DRUG:** Amitriptyline and Placebo
- **DRUG:** Melatonin and Amitriptylin

## Key facts

- **NCT ID:** NCT02041455
- **Lead sponsor:** Hospital de Clinicas de Porto Alegre
- **Sponsor class:** OTHER
- **Phase:** PHASE2,PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2010-06
- **Primary completion:** 2014-01
- **Final completion:** 2014-03
- **Target enrollment:** 66 (ESTIMATED)
- **Last updated:** 2014-01-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02041455

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02041455, "Immune-Pineal Axis Function in Fibromyalgia". Retrieved via AI Analytics 2026-07-09 from https://api.ai-analytics.org/clinical/NCT02041455. Licensed CC0.

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