- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05816343
Long Term Efficacy and Safety of Orlistat for Type 1 Hyperlipoproteinemia
Long Term Efficacy and Safety of Orlistat for Type 1 Hyperlipoproteinemia: a Randomized, Double-blind, Placebo-controlled Trial
Type I hyperlipoproteinemia (T1HLP, also known as familial chylomicronemia syndrome or FCS) is a rare diseasewhere the blood triglycerides (fats) are very high. It is caused by lack of certain enzymes and proteins in the bodythat are important in disposing circulating fats from blood. Treatment of T1HLP patients who have very high levels of blood fats (≥ 1,000 mg/dL) is challenging as conventional triglyceride-lowering medications, such as fibrates and fishoil, are ineffective.
The purpose of this trial is to study the long-term efficacy and safety of orlistat for reducing blood triglyceride levels in patients with T1HLP.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The hypotheses to be tested and the specific aims are:
Hypothesis 1: As compared to placebo, Orlistat will be effective and safe in lowering fasting serum TG concentrations in patients with T1HLP.
Specific Aim 1: To investigate the efficacy and safety of Orlistat for reducing fasting serum TG levels in 28 patients with T1HLP in a double-blind, randomized, placebo-controlled, parallel design study for a period of 24 weeks.
Hypothesis 2: The efficacy and safety of Orlistat in patients with T1HLP will be maintained over a period of up to 48 weeks.
Specific Aim 2: To investigate the efficacy and safety of Orlistat in patients with T1HLP in an open-label extension study for a period of up to 48 weeks-.
After a screening evaluation, the subjects will be advised to consume an extremely low fat diet (≤15% of total energy from fat) for the entire duration of the study. After the baseline period of 8 weeks, they will be randomly assigned to placebo or Orlistat for the duration of 24 weeks (Phase 1). After Phase 1, all patients will enter an open-label extension (Phase 2) and receive Orlistat for a period of 24 weeks for a total study duration of 56 weeks. During the last week of Baseline Period, Phase 1, and Phase 2, blood lipids and chemistry panel will be analyzed for three consecutive days, and fat-soluble vitamin levels will be measured once. All the visits are going to be outpatient.
Study Type
Enrollment (Estimated)
Phase
- Phase 2
Contacts and Locations
Study Contact
- Name: Abhimanyu G [agarg], MD
- Phone Number: 2146482895
- Email: abhimanyu.garg@utsouthwestern.edu
Study Contact Backup
- Name: Abhimanyu G [agarg]
- Phone Number: 2146482895
- Email: abhimanyu.garg@utsouthwestern.edu
Study Locations
-
-
Texas
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Dallas, Texas, United States, 75390
- Recruiting
- UT Southwestern Medical Center
-
Contact:
- Abhimanyu G [agarg], MD
- Phone Number: 214-648-2895
- Email: abhimanyu.garg@utsouthwestern.edu
-
Contact:
- Chandna Vasandani, Ph.D
- Phone Number: 2146485074
- Email: chandna.vasandani@utsouthwestern.edu
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Type I hyperlipoproteinemia confirmed by bi-allelic disease-causing variants in any one of the T1HLP genes (LPL, APOC2, APOA5, LMF1, GPIHBP1, or GCKR).
- Fasting serum triglyceride levels of greater than 750 mg/dL.
- Age 8-70 years
- Effective contraception for males and females of childbearing age.
- Off orlistat for a period of 2 months.
Exclusion Criteria:
- Secondary hypertriglyceridemias due to diabetes, renal disease, hypothyroidism, alcoholism and drug therapy such as estrogens and estrogen analogues, steroids, HIV-1 protease inhibitors, retinoic acid derivatives, interferons, or l-asparaginase.
- On lomitapide or participating in clinical trial of volanesorsen
- Pregnant or lactating women
- Significant liver disease (elevated transaminases > 2 times upper limit of normal)
- Alcohol abuse (> 7 drinks or 84 g per week for women and > 14 drinks or 168 g per week for men)
- Severe anemia (hematocrit < 24%)
- Illicit drug use (cocaine, marijuana, LSD, etc.)
- Major surgery in the past three months
- Congestive heart failure
- Serum creatinine greater than 2.5 mg/dL
- Cancer within the past five years
- Gastrointestinal surgery in the past
- Current therapy with anti-coagulants, digoxin and anti-arrhythmics
- Chronic malabsorption syndromes
- Cholestasis
- Acute illnesses such as acute pancreatitis in the last 8 weeks
- Previous history of renal calcium oxalate stones
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Orlistat Drug
Drug will be given orally.
|
Orlistat is an inhibitor of gastric and pancreatic lipases and can reduce dietary fat absorption by 30%.
Orlistat at a dose of 2 capsules (each containing 60 mg of active drug) three times a day with each meal (a total dose of 360 mg daily).
Other Names:
|
Placebo Comparator: Placebo
Placebo will be given orally.
|
Placebo at a dose of 2 capsules (each containing 60 mg placebo) three times a day with each meal (a total dose of 360 mg daily).
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Triglycerides
Time Frame: 24 weeks
|
Change in fasting serum TG levels weeks compared to the baseline fasting serum TG levels .
|
24 weeks
|
Collaborators and Investigators
Investigators
- Principal Investigator: Abhimanyu G Garg, MD, UT Southwestern Medical Center
- Study Director: Chandna Vasandani, Ph.D, UT Southwestern Medical Center
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- STU-2019-0776
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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