# Long-term Follow-up Durability (Efficacy) Study of EN3835 for the Treatment of AC of the Shoulder (Frozen Shoulder)

> **NCT04680156** · — · TERMINATED · sponsor: **Endo Pharmaceuticals** · enrollment: 120 (actual)

## Conditions studied

- Adhesive Capsulitis
- Frozen Shoulder

## Interventions

- **DRUG:** Previously treated with EN3835 up to 1.74 mg or Placebo in EN3835-210 or the pivotal phase 3 studies

## Key facts

- **NCT ID:** NCT04680156
- **Lead sponsor:** Endo Pharmaceuticals
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** TERMINATED
- **Start date:** 2020-12-17
- **Primary completion:** 2022-09-12
- **Final completion:** 2022-09-12
- **Target enrollment:** 120 (ACTUAL)
- **Why stopped:** Lack of efficacy
- **Last updated:** 2022-12-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04680156

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04680156, "Long-term Follow-up Durability (Efficacy) Study of EN3835 for the Treatment of AC of the Shoulder (Frozen Shoulder)". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT04680156. Licensed CC0.

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