NCT00962429

Brief Summary

The purpose of the study is to examine if alpha lipoic acid is an effective treatment for chronic inflammatory demyelinating polyneuropathy (CIDP).

Trial Health

87
On Track

Trial Health Score

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

Enrollment
7

participants targeted

Target at below P25 for phase_2

Timeline
Completed

Started Feb 2009

Typical duration for phase_2

Geographic Reach
1 country

1 active site

Status
completed

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

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

February 1, 2009

Completed
7 months until next milestone

First Submitted

Initial submission to the registry

August 19, 2009

Completed
1 day until next milestone

First Posted

Study publicly available on registry

August 20, 2009

Completed
3.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2013

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2013

Completed
7.6 years until next milestone

Results Posted

Study results publicly available

August 19, 2020

Completed
Last Updated

August 19, 2020

Status Verified

August 1, 2020

Enrollment Period

3.9 years

First QC Date

August 19, 2009

Results QC Date

June 17, 2020

Last Update Submit

August 18, 2020

Conditions

Keywords

neuropathy, lipoic acid

Outcome Measures

Primary Outcomes (1)

  • Muscle Strength

    16 weeks

Secondary Outcomes (3)

  • Hughes Functional Disability Scale

    16 weeks

  • Forced Vital Capacity (FVC)

    16 weeks

  • Motor Nerve Conduction Studies (NCS)

    16 weeks

Study Arms (2)

Lipoic acid

ACTIVE COMPARATOR

alpha lipoic acid

Drug: lipoic acid

Placebo

PLACEBO COMPARATOR

sugar pill

Drug: lipoic acid

Interventions

Subjects will be started on a single daily dose of 600 mg of alpha lipoic acid or placebo for the first 4 weeks and then increased to 1200 mg for the remainder of the study.

Also known as: LA
Lipoic acidPlacebo

Eligibility Criteria

Age18 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • diagnosis of CIDP
  • on a stable dose of immunotherapy for at least 3 months before enrolling in the study

You may not qualify if:

  • myelopathy or evidence of central demyelination
  • persistent neurological deficits from stroke, CNS trauma, or peripheral neuropathy from other causes (eg, diabetes mellitus, IgM, paraproteinaemia, or uraemic, toxic, or familial neuropathy)
  • evidence of systemic disease that might cause neuropathy
  • heart diseases (congestive heart failure or arrhythmia)
  • pulmonary conditions (asthma or CIPD)
  • rheumatoid conditions (such as rheumatoid arthritis)
  • renal failure

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Oregon Health & Science University

Portland, Oregon, 97239, United States

Location

MeSH Terms

Conditions

Polyradiculoneuropathy, Chronic Inflammatory Demyelinating

Interventions

Thioctic Acid

Condition Hierarchy (Ancestors)

PolyradiculoneuropathyAutoimmune Diseases of the Nervous SystemNervous System DiseasesDemyelinating DiseasesPolyneuropathiesPeripheral Nervous System DiseasesNeuromuscular DiseasesAutoimmune DiseasesImmune System DiseasesChronic DiseaseDisease AttributesPathologic ProcessesPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

Carboxylic AcidsOrganic ChemicalsThiophenesSulfur CompoundsCoenzymesEnzymes and CoenzymesFatty AcidsLipids

Limitations and Caveats

The Responsible Party has left the institution and has indicated that they do not have the raw data. They've confirmed that, despite all efforts to locate the data by contacting study team members, efforts were unsuccessful and no data are available.

Results Point of Contact

Title
Diana Dimitrova
Organization
Oregon Health and Science University

Study Officials

  • Jau-Shin Lou, MD, PhD

    Oregon Health and Science University

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 19, 2009

First Posted

August 20, 2009

Study Start

February 1, 2009

Primary Completion

January 1, 2013

Study Completion

January 1, 2013

Last Updated

August 19, 2020

Results First Posted

August 19, 2020

Record last verified: 2020-08

Locations