# A Study on Traditional Chinese Medicine (TCM) Comprehensive Protocol of Prevention and Control in Diabetic Retinopathy

> **NCT00904592** · NA · COMPLETED · sponsor: **Chengdu University of Traditional Chinese Medicine** · enrollment: 480 (actual)

## Conditions studied

- Diabetic Retinopathy

## Interventions

- **DRUG:** Qi ming granula
- **DRUG:** Placebo Comparator

## Key facts

- **NCT ID:** NCT00904592
- **Lead sponsor:** Chengdu University of Traditional Chinese Medicine
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2008-09
- **Primary completion:** 2010-10
- **Final completion:** 2011-04
- **Target enrollment:** 480 (ACTUAL)
- **Last updated:** 2012-08-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00904592

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00904592, "A Study on Traditional Chinese Medicine (TCM) Comprehensive Protocol of Prevention and Control in Diabetic Retinopathy". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT00904592. Licensed CC0.

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