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Comparing Tolerability and Absorption of Racemic and R-lipoic Acid in Progressive Multiple Sclerosis

R

Rebecca Spain

Status and phase

Completed
Phase 1

Conditions

Primary Progressive Multiple Sclerosis
Secondary Progressive Multiple Sclerosis
Multiple Sclerosis
Progressive Multiple Sclerosis

Treatments

Drug: Alpha Lipoic Acid

Study type

Interventional

Funder types

Other

Identifiers

NCT03493841
IRB #17951

Details and patient eligibility

About

This is a three-week crossover study that will compare how the body absorbs and tolerates two different forms of lipoic acid: R form and racemic form.

Full description

This three-week double-blind crossover trial will compare two different forms of lipoic acid (LA). Every participant will take one week of daily oral 600mg R LA, have a one week washout period without LA, and take one week of daily oral 1200mg racemic LA. The order of LA type will be determined by randomization. Blood analyses will be performed to determine which form is better absorbed and a side effects questionnaire will be completed at each visit in order to determine which form is better tolerated.

Enrollment

20 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Diagnosis of Progressive Multiple Sclerosis
  • 18 years of age or older
  • Able to give informed consent and adhere to the study activities
  • Able to swallow large oral capsules

Exclusion criteria

  • Clinical Multiple Sclerosis relapse in the prior 1 year
  • Oral or IV steroids in the prior 3 months
  • Have taken LA in last 30 days
  • Clinically significant kidney disease as determined by the PI including, but not limited to, major kidney disease diagnoses, abnormal laboratory values related to renal function, or other related conditions
  • Insulin-dependent diabetes
  • Other significant ongoing medical illness that may interfere with study procedures
  • Taking oral anticoagulants (e.g. Coumadin). Aspirin, clopidogrel, and dipyridamole are acceptable to take
  • Pregnant or breast-feeding
  • Any condition which would make the patient, in the opinion of the investigator, unsuitable for the study

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Crossover Assignment

Masking

Quadruple Blind

20 participants in 2 patient groups

Group A
Experimental group
Description:
Group A will receive racemic lipoic acid first and R-lipoic acid second
Treatment:
Drug: Alpha Lipoic Acid
Group B
Experimental group
Description:
Group B will receive R- lipoic acid first and racemic lipoic acid second
Treatment:
Drug: Alpha Lipoic Acid

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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