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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02326220
Other study ID # R727-CL-1216
Secondary ID
Status Completed
Phase Phase 3
First received
Last updated
Start date March 31, 2015
Est. completion date April 30, 2016

Study information

Verified date April 2020
Source Regeneron Pharmaceuticals
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The primary objective of the study is to evaluate the effect of alirocumab 150 mg every 2 weeks (Q2W) in comparison with placebo on the frequency of low-density lipoprotein (LDL) apheresis treatments in participants with heterozygous familial hypercholesterolemia (HeFH) undergoing weekly or bi-weekly LDL apheresis therapy.


Description:

LDL apheresis removes low-density lipoproteins (LDL) that transport cholesterol in the plasma portion of the blood. This treatment is mainly used for familial hypercholesterolemia, but can be used in other rare diseases. Familial hypercholesterolemia (HeFH) is an inherited genetic condition that causes accumulation of cholesterol in the blood, which can lead to atherosclerosis and heart disease. This treatment is recommended for patients who do not respond to dietary and/or medication control of LDL cholesterol.


Recruitment information / eligibility

Status Completed
Enrollment 62
Est. completion date April 30, 2016
Est. primary completion date January 31, 2016
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

1. Men and women =18 years of age at the time of the screening visit

2. Diagnosis of HeFH (Heterozygous familial hypercholesterolemia)

3. Currently undergoing LDL (low-density lipoprotein) apheresis therapy QW (weekly) or Q2W (every 2 weeks) or at least 8 weeks prior to the screening visit

Exclusion Criteria:

1. Homozygous FH (familial hypercholesterolemia)

2. Background medical LMT (lipid-modifying therapy) (if applicable) that has not been stable for at least 8 weeks prior to the screening visit

3. LDL apheresis schedule/ apheresis settings that have not been stable for at least 8 weeks prior to the screening visit

4. An LDL apheresis schedule other than QW to Q2W

5. Initiation of a new exercise program or exercise that has not remained stable within 8 weeks prior to the screening visit (week -2)

6. Initiation of a new diet or a diet that has not been stable within 8 weeks prior to the screening visit (week -2)

7. Use of nutraceuticals or over-the-counter therapies known to affect lipids, at a dose/amount that has not been stable for at least 8 weeks prior to the screening visit (week -2), or between the screening and randomization visit

8. Presence of any clinically significant uncontrolled endocrine disease known to influence serum lipids or lipoproteins

9. Known history of a positive test for human immunodeficiency virus

10. Use of any active investigational drugs within 1 month or 5 half-lives of screening, whichever is longer

11. Patients who have been treated with at least 1 dose of alirocumab or any other anti-PCSK9 monoclonal antibody in any other clinical studies

12. Pregnant or breastfeeding women

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Placebo

Alirocumab


Locations

Country Name City State
n/a

Sponsors (2)

Lead Sponsor Collaborator
Regeneron Pharmaceuticals Sanofi

Countries where clinical trial is conducted

United States,  Germany, 

References & Publications (1)

Moriarty PM, Parhofer KG, Babirak SP, Cornier MA, Duell PB, Hohenstein B, Leebmann J, Ramlow W, Schettler V, Simha V, Steinhagen-Thiessen E, Thompson PD, Vogt A, von Stritzky B, Du Y, Manvelian G. Alirocumab in patients with heterozygous familial hypercholesterolaemia undergoing lipoprotein apheresis: the ODYSSEY ESCAPE trial. Eur Heart J. 2016 Dec 21;37(48):3588-3595. doi: 10.1093/eurheartj/ehw388. Epub 2016 Aug 29. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Change in Standardized Rate of Apheresis Treatments From Week 7 to Week 18 Rate of apheresis treatments were normalized by the number of planned apheresis treatments according to each participant's established schedule at screening, week -10 to week -2. The normalized rate of apheresis was defined for each participant as the number of actual apheresis treatments received from week 7 to week 18 divided by the number of planned apheresis treatments per randomization strata at baseline (6 for Q2W and 12 for QW). Week 7 to Week 18 (before start of open-label treatment)
Secondary Percent Change From Baseline in Calculated LDL-C (Pre-apheresis) at Week 6 Adjusted Least-squares (LS) means and standard errors at Week 6 were obtained from a mixed-effect model with repeated measures (MMRM) to account for missing data. All available post-baseline data from Week 2 to Week 18 regardless of status on or off-treatment were used in the model (ITT analysis). Baseline and at Week 6
Secondary Change in Standardized Rate of Apheresis Treatments From Week 15 to Week 18 Rate of apheresis treatments were normalized by the rate by the number of actual apheresis treatments according to received from week 15 to week 18 divided by the planned apheresis treatments per randomization strata at baseline (2 for Q2W and 4 for QW). Only legitimate apheresis treatment skipping per point-of-care LDL-C value is counted as "apheresis not occurred". Missing apheresis treatment information (any reason) from week 7 to week 18 is assigned an outcome of the apheresis treatment occurred at the visit (i.e. impute 1 apheresis treatment for that visit). Week 15 up to Week 18 (before the start of open-label treatment dose)
Secondary Percent Change From Baseline in Apolipoprotein B (Apo B) (Pre-apheresis) to Week 6 Adjusted LS means and standard errors at Week 6 were obtained from MMRM to account for missing data. All available post-baseline data from Week 2 (pre-apheresis) to Week 18 (pre-apheresis) regardless of status on- or off-treatment were used in the model (ITT analysis). From Baseline to Week 6
Secondary Percent Change From Baseline in Non-High-Density Lipoprotein Cholesterol (Non-HDL-C) (Pre-apheresis) to Week 6 Adjusted LS means and standard errors at Week 6 were obtained from MMRM to account for missing data. All available post-baseline data from Week 2 (pre-apheresis) to Week 18 (pre-apheresis) regardless of status on- or off-treatment were used in the model (ITT analysis). From Baseline to Week 6
Secondary Percent Change From Baseline in Total Cholesterol (Pre-apheresis) to Week 6 Adjusted LS means and standard errors at Week 6 were obtained from MMRM to account for missing data. All available post-baseline data from Week 2 (pre-apheresis) to Week 18 (pre-apheresis) regardless of status on- or off-treatment were used in the model (ITT analysis). From Baseline to Week 6
Secondary Percent Change From Baseline in Apolipoprotein A (Apo A1) (Pre-apheresis) to Week 6 Adjusted LS means and standard errors at Week 6 were obtained from MMRM to account for missing data. All available post-baseline data from Week 2 (pre-apheresis) to Week 18 (pre-apheresis) regardless of status on- or off-treatment were used in the model (ITT analysis). From Baseline to Week 6
Secondary Percentage of Participants With At Least (>=) 30% Reduction in Calculated LDL-C (Pre-apheresis) at Week 6 Percentage of participants at Week 6 was obtained from a last observation carried forward (LOCF) model for handling of missing data. All available post-baseline data regardless of status on- or off-treatment were used in the model (ITT analysis). From Baseline to Week 6
Secondary Percentage of Participants With At Least (>=) 50% Reduction in Calculated LDL-C (Pre-apheresis) at Week 6 Percentage of participants at Week 6 was obtained from LOCF model for handling of missing data. All available post-baseline data regardless of status on- or off-treatment were used in the model (ITT analysis). From Baseline to Week 6
Secondary Percent Change From Baseline in Calculated LDL-C (Pre-Apheresis) to Week 18 Adjusted LS means and standard errors at Week 18 were obtained from MMRM to account for missing data. All available post-baseline data from Week 2 (pre-apheresis) to Week 18 (pre-apheresis) regardless of status on- or off-treatment were used in the model (ITT analysis). From Baseline to Week 18
Secondary Percent Change From Baseline in Apolipoprotein B (Apo B) (Pre-apheresis) to Week 18 Adjusted LS means and standard errors at Week 18 were obtained from MMRM to account for missing data. All available post-baseline data from Week 2 (pre-apheresis) to Week 18 (pre-apheresis) regardless of status on- or off-treatment were used in the model (ITT analysis). From Baseline to Week 18
Secondary Percent Change From Baseline in Non-HDL-C (Pre-apheresis) to Week 18 Adjusted LS means and standard errors at Week 18 were obtained from MMRM to account for missing data. All available post-baseline data from Week 2 (pre-apheresis) to Week 18 (pre-apheresis) regardless of status on- or off-treatment were used in the model (ITT analysis). From Baseline to Week 18
Secondary Percent Change From Baseline in Total Cholesterol (Pre-apheresis) to Week 18 Adjusted LS means and standard errors at Week 18 were obtained from MMRM to account for missing data. All available post-baseline data from Week 2 (pre-apheresis) to Week 18 (pre-apheresis) regardless of status on- or off-treatment were used in the model (ITT analysis). From Baseline to Week 18
Secondary Percent Change From Baseline in Apo A1 (Pre-apheresis) to Week 18 Adjusted LS means and standard errors at Week 18 were obtained from MMRM to account for missing data. All available post-baseline data from Week 2 (pre-apheresis) to Week 18 (pre-apheresis) regardless of status on- or off-treatment were used in the model (ITT analysis). From Baseline to Week 18
Secondary Percentage of Participants With At Least (>=) 30% Reduction in Calculated LDL-C (Pre-apheresis) at Week 18 Percentage of participants at Week 18 was obtained from LOCF model for handling of missing data. All available post-baseline data regardless of status on- or off-treatment were used in the model (ITT analysis). From Baseline to Week 18
Secondary Percentage of Participants With At Least (>=) 50% Reduction in Calculated LDL-C (Pre-apheresis) at Week 18 Percentage of participants at Week 18 was obtained from LOCF model for handling of missing data. All available post-baseline data regardless of status on- or off-treatment were used in the model (ITT analysis). From Baseline to Week 18
Secondary Change From Baseline in W-BQ22 (Well-being Questionnaire) Index Score at Week 18 The W-BQ22 (well-being) questionnaire was a standardized and generic instrument used for measuring the impact of hypercholesterolemia and treatment on well-being of participants. The general well-being score was calculated as the sum of 22 questions in the W-BQ22 questionnaire (each question scored from 0 to 3 [0 = not at all and 3 = all the time]). Total score for 22 questions range from 0 to 66 [0 = worst condition and 66 = best well-being condition). From Baseline to Week 18
Secondary Percent Change From Baseline in Lipoprotein (a) (Lp [a]) (Pre-apheresis) to Week 6 Adjusted means and standard errors at Week 6 from a multiple imputation approach followed by robust regression model including all available post-baseline data from Week 2 (pre-apheresis) to Week 18 (pre-apheresis) regardless of status on- or off-treatment were used in the model (ITT analysis). From Baseline to Week 6
Secondary Percent Change From Baseline in High-Density Lipoprotein Cholesterol (HDL-C) (Pre-apheresis) to Week 6 Adjusted LS means and standard errors at Week 6 were obtained from MMRM to account for missing data. All available post-baseline data from Week 2 (pre-apheresis) to Week 18 (pre-apheresis) regardless of status on- or off-treatment were used in the model (ITT analysis). From Baseline to Week 6
Secondary Percent Change From Baseline in Triglyceride (TG) Levels (Pre-apheresis) to Week 6 Adjusted means and standard errors at Week 6 from a multiple imputation approach followed by robust regression model including all available post-baseline data from Week 2 (pre-apheresis) to Week 18 (pre-apheresis) regardless of status on- or off-treatment were used in the model (ITT analysis). From Baseline to Week 6
Secondary Percent Change From Baseline in Lp (a) (Pre-apheresis) to Week 18 Adjusted means and standard errors at Week 18 from a multiple imputation approach followed by robust regression model including all available post-baseline data from Week 2 (pre-apheresis) to Week 18 (pre-apheresis) regardless of status on- or off-treatment were used in the model (ITT analysis). From Baseline to Week 18
Secondary Percent Change From Baseline in HDL-C (Pre-apheresis) to Week 18 Adjusted LS means and standard errors at Week 18 were obtained from MMRM to account for missing data. All available post-baseline data from Week 2 (pre-apheresis) to Week 18 (pre-apheresis) regardless of status on- or off-treatment were used in the model (ITT analysis). From Baseline to Week 18
Secondary Percent Change From Baseline in TG Levels (Pre-apheresis) to Week 18 Adjusted means and standard errors at Week 18 from a multiple imputation approach followed by robust regression model including all available post-baseline data from Week 2 (pre-apheresis) to Week 18 (pre-apheresis) regardless of status on- or off-treatment were used in the model (ITT analysis). From Baseline to Week 18
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