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Effects of Fish Oil and Colesevelam (STAIR7007)

U

University of Manitoba

Status

Unknown

Conditions

Sitosterolemia

Treatments

Drug: Colesevelam
Dietary Supplement: Fish Oil
Drug: Combination of fish oil and colesevelam

Study type

Interventional

Funder types

Other

Identifiers

NCT01948648
B2013:075

Details and patient eligibility

About

If treatment of colesevelam, fish oil in conjunction with ezetimibe, will lead to further reduction in plasma plant sterol levels in sitosterolemia patients. We hypothesize that treatments with fish oil, colesevelam and ezetimibe will maximize decrease in plasma concentrations of sitosterol and other plant sterols in sitosterolemia patients.

Full description

Ezitimibe significantly lowers plant sterol levels in the blood of patients with sitosterolemia. However, plant sterol levels remain substantially elevated compared to those in healthy individuals. Thus, combination therapy needs to be considered. Agents that provide cardiovascular benefits such as colesevelam, a second-generation bile acid sequestrant, and fish oil are potential candidates to help further reduce sterol levels, but have yet to be evaluated in sitosterolemia patients.

The purpose of this study is to dtermine the effects of colesevelam, fish oil and combination therapy (fish oil + colesevelam) on plant sterols, cholesterol and cardiovascular risk factors in sitosterolemia patients treated with ezetimibe. The results of this study will enhance knowledge on the pathogenesis of sitosterolemia and the mechanisim of actions of colesevelam and fish oil as adjunct therapies to ezitimibe in patients with the disease.

Enrollment

13 patients

Sex

All

Ages

8+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Confirmed diagnosis of homozygous sitosterolemia as established by genotyping and/or clinical parameters
  2. Receiving ezetimibe treatment
  3. Over 8 years of age (no maximum)
  4. Concomitant illnesses or conditions

Exclusion criteria

  1. Pregnancy
  2. Intellectual disability
  3. Bowel or biliary obstruction
  4. Known hypersensitivity to colesevelam or any ingredients of colesevelam

Trial design

Primary purpose

Basic Science

Allocation

Randomized

Interventional model

Crossover Assignment

Masking

Single Blind

13 participants in 3 patient groups

Colesevelam
Active Comparator group
Description:
3.75g/day for 6 weeks
Treatment:
Drug: Colesevelam
Fish Oil
Active Comparator group
Description:
1g/day for 6 weeks
Treatment:
Dietary Supplement: Fish Oil
Combination of Fish Oil and Colesevelam
Active Comparator group
Description:
3.75g/day of colesevelam and 1g/day of fish oil for 6 weeks
Treatment:
Drug: Combination of fish oil and colesevelam

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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