# Effectiveness and Safety of Sphaeralcea Angustifolia Standardized Extract as a Topical Treatment of Knee Osteoarthritis

> **NCT04511195** · PHASE2 · UNKNOWN · sponsor: **Coordinación de Investigación en Salud, Mexico** · enrollment: 100 (estimated)

## Conditions studied

- Knee Osteoarthritis

## Interventions

- **DIETARY_SUPPLEMENT:** Standardized extract of Sphaeralcea angustifolia
- **DRUG:** Diclofenac Sodium Gel

## Key facts

- **NCT ID:** NCT04511195
- **Lead sponsor:** Coordinación de Investigación en Salud, Mexico
- **Sponsor class:** OTHER_GOV
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-07-10
- **Primary completion:** 2021-01-16
- **Final completion:** 2021-06-16
- **Target enrollment:** 100 (ESTIMATED)
- **Last updated:** 2020-08-13


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04511195

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04511195, "Effectiveness and Safety of Sphaeralcea Angustifolia Standardized Extract as a Topical Treatment of Knee Osteoarthritis". Retrieved via AI Analytics 2026-06-15 from https://api.ai-analytics.org/clinical/NCT04511195. Licensed CC0.

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