# Can Vitamin C Reduce the Risk of Postoperative Shoulder Stiffness?

> **NCT04472000** · PHASE4 · TERMINATED · sponsor: **Lindenhofgruppe AG** · enrollment: 46 (actual)

## Conditions studied

- Shoulder Stiffness

## Interventions

- **DRUG:** Vitamin C
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT04472000
- **Lead sponsor:** Lindenhofgruppe AG
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2021-04-27
- **Primary completion:** 2023-05-16
- **Final completion:** 2024-04-21
- **Target enrollment:** 46 (ACTUAL)
- **Why stopped:** The study had to be stopped due to difficulties in recruiting patients.
- **Last updated:** 2024-06-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04472000

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04472000, "Can Vitamin C Reduce the Risk of Postoperative Shoulder Stiffness?". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT04472000. Licensed CC0.

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