NCT00279266

Brief Summary

This study will examine the effect of oral thiamine (Vitamin B1) supplementation on pain in patients with diabetic peripheral neuropathy.

Trial Health

30
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Timeline
Completed

Started Jan 2006

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
withdrawn

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 1, 2006

Completed
17 days until next milestone

First Submitted

Initial submission to the registry

January 18, 2006

Completed
1 day until next milestone

First Posted

Study publicly available on registry

January 19, 2006

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2006

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2006

Completed
Last Updated

May 13, 2015

Status Verified

May 1, 2015

Enrollment Period

5 months

First QC Date

January 18, 2006

Last Update Submit

May 11, 2015

Conditions

Keywords

Diabetic Peripheral NeuropathyPeripheral NeuropathyDiabetes Mellitus

Outcome Measures

Primary Outcomes (1)

  • Daily pain evaluations on a visual analog pain scale

Secondary Outcomes (5)

  • Pain over the last 7 days as recorded on a Visual Analog pain scale

  • Changes in Sf-36v2 results

  • Changes in blood thiamine levels

  • Changes in the McGill short form pain questionnaire

  • Changes in sleep disturbance in secondary to pain as rated by a visual analog scale

Interventions

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Diagnosis of Diabetes Mellitus Painful diabetic neuropathy for \> six months with a score of \>40mm on a visual pain analog scale Age \>18 years Hemoglobin A1c obtained within the last 3 months. Willingness and ability to comply with the study requirements and give informed consent.

You may not qualify if:

  • Known history of alcohol abuse, recreational drug abuse, thyroid dysfunction, syphilis, multiple myeloma, known nutrient deficiency, history of gastric bypass surgery or HIV. Hgb A1c\>11

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Loma Linda University Department of Neurology

Loma Linda, California, 92354, United States

Location

Related Publications (2)

  • Thornalley PJ. Glycation in diabetic neuropathy: characteristics, consequences, causes, and therapeutic options. Int Rev Neurobiol. 2002;50:37-57. doi: 10.1016/s0074-7742(02)50072-6.

    PMID: 12198817BACKGROUND
  • Abbas ZG, Swai AB. Evaluation of the efficacy of thiamine and pyridoxine in the treatment of symptomatic diabetic peripheral neuropathy. East Afr Med J. 1997 Dec;74(12):803-8.

    PMID: 9557427BACKGROUND

MeSH Terms

Conditions

Peripheral Nervous System DiseasesDiabetes MellitusDiabetes Complications

Interventions

Thiamine

Condition Hierarchy (Ancestors)

Neuromuscular DiseasesNervous System DiseasesGlucose Metabolism DisordersMetabolic DiseasesNutritional and Metabolic DiseasesEndocrine System Diseases

Intervention Hierarchy (Ancestors)

ThiazolesSulfur CompoundsOrganic ChemicalsAzolesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsPyrimidines

Study Officials

  • Rodolfo Escutin, MD

    Loma Linda University

    PRINCIPAL INVESTIGATOR
0

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Assistant Professor of Neurology

Study Record Dates

First Submitted

January 18, 2006

First Posted

January 19, 2006

Study Start

January 1, 2006

Primary Completion

June 1, 2006

Study Completion

June 1, 2006

Last Updated

May 13, 2015

Record last verified: 2015-05

Locations