# Diphenhydramine Ointment for Knee Osteoarthritis

> **NCT05036174** · NA · UNKNOWN · sponsor: **Federal State Budgetary Scientific Institution, Research Institute of Fundamental and Clinical Immunology** · enrollment: 30 (estimated)

## Conditions studied

- Osteoarthritis

## Interventions

- **DRUG:** Diphenhydramine 5%
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT05036174
- **Lead sponsor:** Federal State Budgetary Scientific Institution, Research Institute of Fundamental and Clinical Immunology
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-09
- **Primary completion:** 2022-04
- **Final completion:** 2022-04
- **Target enrollment:** 30 (ESTIMATED)
- **Last updated:** 2021-09-05


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05036174

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05036174, "Diphenhydramine Ointment for Knee Osteoarthritis". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT05036174. Licensed CC0.

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