# Dietary Intake of Tryptophan and Metformin Response

> **NCT02184832** · EARLY_PHASE1 · COMPLETED · sponsor: **Massachusetts General Hospital** · enrollment: 20 (actual)

## Conditions studied

- Metformin Response
- Fasting Glucose
- Tryptophan Concentration
- Metformin Concentration
- Diet Tolerability

## Interventions

- **DRUG:** Metformin
- **OTHER:** Low tryptophan diet
- **OTHER:** High tryptophan diet

## Key facts

- **NCT ID:** NCT02184832
- **Lead sponsor:** Massachusetts General Hospital
- **Sponsor class:** OTHER
- **Phase:** EARLY_PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2014-08
- **Primary completion:** 2016-03
- **Final completion:** 2016-03
- **Target enrollment:** 20 (ACTUAL)
- **Last updated:** 2016-03-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02184832

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02184832, "Dietary Intake of Tryptophan and Metformin Response". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT02184832. Licensed CC0.

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