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

NCT ID: NCT00904592

Last Updated: 2012-08-21

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

480 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-09-30

Study Completion Date

2011-04-30

Brief Summary

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1. Title: A Study on TCM comprehensive protocol of Prevention and Control in Diabetic Retinopathy.
2. Objectives of study: To evaluate the Intervention effect of integrate control protocol on reducing the incidence rate of proliferative diabetic retinopathy, PRP and MVL. Then produce a high performance, optimize, convenient, applicable and demonstrated protocol of integrate control with Intervention of TCM and west medicine.
3. Study Type: Interventional
4. Study Design: Multi-center, Randomized, Blind (Subject, Investigator, Outcomes Assessor), Parallel Assignment, Positive controlled clinical study.
5. Sample size: 480 subjects , divided into test and control groups equally.
6. Primary endpoint: incidence rate of proliferative diabetic retinopathy, panretinal photocoagulation

Detailed Description

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1. Primary outcome:

* proliferative diabetic retinopathy
* panretinal photocoagulation
2. Secondary outcome:

* Vision, Funduscopy, Fundus photograph
* Fundus fluorescein angiography
* Visual Electrophysiology:FERG、OPs、PVEP.
* Optical coherence tomography.
* Symptoms scores of TCM.
* The M0S short-form-36 heaIth survey(SF-36).
* Visual Function Questionnaire-25(VFQ-25).

Conditions

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Diabetic Retinopathy

Keywords

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diabetic retinopathy traditional chinese medicine

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

TRIPLE

Participants Caregivers Investigators

Study Groups

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Qi ming granula

Study group(combined therapy with Intervention of TCM): Basic therapy & treating both on deficiency and stasis of blood.

1. Therapy for DM: To control blood glucose, blood pressure, and serum lipid through drug, dietary management, exercise and education.
2. Qi ming granula, Usage: 4.5g,po,tid.

Group Type EXPERIMENTAL

Qi ming granula

Intervention Type DRUG

Qi ming granula Usage:4.5g,po,tid. duration:12 months/ arise Endpoint Event

placebo comparator

Control group: Basic therapy & placebo

1. Therapy for DM: To control blood glucose, blood pressure, and serum lipid through drug, dietary management , exercise and education.
2. placebo,Usage: 4.5g,po,tid

Group Type PLACEBO_COMPARATOR

Placebo Comparator

Intervention Type DRUG

Control group: Basic therapy & placebo

1. Therapy for DM: To control blood glucose, blood pressure, and serum lipid through drug, dietary management , exercise and education.
2. placebo,Usage: 4.5g,po,tid

Interventions

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Qi ming granula

Qi ming granula Usage:4.5g,po,tid. duration:12 months/ arise Endpoint Event

Intervention Type DRUG

Placebo Comparator

Control group: Basic therapy & placebo

1. Therapy for DM: To control blood glucose, blood pressure, and serum lipid through drug, dietary management , exercise and education.
2. placebo,Usage: 4.5g,po,tid

Intervention Type DRUG

Other Intervention Names

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QM PC

Eligibility Criteria

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Inclusion Criteria

* Diagnosed with diabetes mellitus.
* Diagnosed with non-proliferative diabetic retinopathy, including moderate and severe diabetic retinopathy
* and corrected VA≥45 letters(ETDRS), equivalent the decimal value of 0.16(20/125).
* Diagnosed with the syndrome and signs of TCM.
* HbA1C≤8.0%.
* Ages ranged from 35 to 75 years.
* Joined in the test voluntarily and signed the Informed consent by GCP regulation.

Exclusion Criteria

* Complicating severe vitreous hemorrhage, or requiring laser and vitrectomy treatment.
* The patients who have been received the therapy of Retina laser photocoagulation.
* The patients whose dioptric media is so turbid that hard to evaluate the fundus picture.
* DMKA or other acute metabolic disturbance, or complicating severe acute infection within a month.
* Combined with other severe Diabetic complication.
* Having any allergic reaction to some drugs, food and pollen etc. or hypersensitiveness
* Pregnant or breast feeding.
* combined with primarily severe diseases such as cardiovascular, hepatic,renal illness ,hemopoietic system disease, and psychosis.
* Combined with glaucoma, uveitis, ocular neuropathy and severe cataract etc.
* Participated in other clinical trial within 3 month.
Minimum Eligible Age

35 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Chengdu University of Traditional Chinese Medicine

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Junguo Duan

Role: PRINCIPAL_INVESTIGATOR

Chengdu University of TCM

Locations

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Chengdu University of TCM

Chengdu, Sichuan, China

Site Status

Countries

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China

Related Links

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Other Identifiers

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2006BAI04A0401

Identifier Type: -

Identifier Source: org_study_id