Assessment of Efficacy and Safety of Thioctic Acid in the Oral Treatment of Diabetic Polyneuropathy (Stage 1 or 2)
Public ClinicalTrials.gov record NCT00977483. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Assessment of Efficacy and Safety of Thioctic Acid in the Oral Treatment of Diabetic Polyneuropathy (Stage 1 or 2) NATHAN1 A Randomized, Placebo-controlled, Double-blind Multi-centre Trial With 2 Parallel Groups
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
To assess clinical efficacy and safety of long-term orally administered thioctic acid in the treatment of diabetic polyneuropathy.
Study identification
- NCT ID
- NCT00977483
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 460 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 64 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 1998 (Type not available)
- Primary completion
- Jan 2005 (Actual)
- Completion
- Jan 2005 (Actual)
- Last update posted
- Feb 7, 2022
1998 – 2005
United States locations
- U.S. sites
- 25
- U.S. states
- 16
- U.S. cities
- 24
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| ´Diabetes Care Center | Birmingham | Alabama | 35205 | — |
| Mayo Clinic Arizona | Scottsdale | Arizona | 85259 | — |
| City of Hope National Medical Center | Duarte | California | 91010 | — |
| Medical Building | Long Beach | California | 90805 | — |
| UCSD Neuromuscular Research Program | San Diego | California | 92103 | — |
| University of California | San Francisco | California | 94143-0114 | — |
| Diabetes Research Center | Tustin | California | 92780 | — |
| Loyola University Medical Center | Maywood | Illinois | 60153 | — |
| Beth Israel Medical Center | Boston | Massachusetts | 02215 | — |
| University of Michigan Medical Center | Ann Arbor | Michigan | 48019-0205 | — |
| Health Partners Riverside Neurology Clinic | Minneapolis | Minnesota | 55454-1478 | — |
| Mayo Clinic Rochester | Rochester | Minnesota | 55905 | — |
| University of Missouri Dept. of Neurology | Columbia | Missouri | 65212 | — |
| Creighton University Diabetes Center | Omaha | Nebraska | 68131 | — |
| Lovelace Scientific Resources, Inc. | Albuquerque | New Mexico | 87108 | — |
| Ney York Hospital Cornell Med Center | New York | New York | 10021 | — |
| East Carolina University, School of Medicine | Greenville | North Carolina | 27858 | — |
| The Cleveland Clinic Foundation | Cleveland | Ohio | 44195 | — |
| Ohio State University Medical Center | Columbus | Ohio | 43210 | — |
| University of Pittsburgh Medical Center | Pittsburgh | Pennsylvania | 15213 | — |
| Dallas Diabetes & Endocrine Center | Dallas | Texas | 75230 | — |
| University of Texas South Western Medical Center | Dallas | Texas | 75325-8858 | — |
| Baylor College of Medicine | Houston | Texas | 77030 | — |
| Diabetes & Glandular Disease Center | San Antonio | Texas | 78229-3894 | — |
| Leonard R. Strelitz Diabetes Institutes | Norfolk | Virginia | 23510 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 13 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00977483, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Feb 7, 2022 · Synced Oct 24, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT00977483 live on ClinicalTrials.gov.