# Evaluating the Safety and Efficacy of Tradipitant vs. Placebo in Idiopathic and Diabetic Gastroparesis

> **NCT04028492** · PHASE3 · COMPLETED · sponsor: **Vanda Pharmaceuticals** · enrollment: 992 (actual)

## Conditions studied

- Idiopathic Gastroparesis
- Diabetic Gastroparesis
- Gastroparesis

## Interventions

- **DRUG:** Tradipitant
- **DRUG:** Placebo
- **DRUG:** Open Label Tradipitant

## Key facts

- **NCT ID:** NCT04028492
- **Lead sponsor:** Vanda Pharmaceuticals
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-08-20
- **Primary completion:** 2025-02-21
- **Final completion:** 2025-02-21
- **Target enrollment:** 992 (ACTUAL)
- **Last updated:** 2025-07-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04028492

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04028492, "Evaluating the Safety and Efficacy of Tradipitant vs. Placebo in Idiopathic and Diabetic Gastroparesis". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT04028492. Licensed CC0.

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