An Efficacy and Safety Study of Alirocumab in Children and Adolescents With Heterozygous Familial Hypercholesterolemia
NCT ID: NCT03510884
Last Updated: 2023-05-06
Study Results
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View full resultsBasic Information
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COMPLETED
PHASE3
153 participants
INTERVENTIONAL
2018-05-31
2022-08-05
Brief Summary
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To evaluate the efficacy of alirocumab administered every 2 weeks (Q2W) and every 4 weeks (Q4W) versus placebo after 24 weeks of double-blind (DB) treatment on low-density lipoprotein cholesterol (LDL-C) levels in participants with heterozygous familial hypercholesterolemia (heFH) 8 to 17 years of age on optimal stable daily dose of statin therapy ± other lipid modifying therapies (LMTs) or a stable dose of non-statin LMTs in case of intolerance to statins.
Secondary Objectives:
* To evaluate the efficacy of alirocumab versus placebo on LDL-C levels.
* To evaluate the effects of alirocumab versus placebo on other lipid parameters.
* To evaluate the safety and tolerability of alirocumab in comparison with placebo.
* To evaluate the efficacy, safety, and tolerability of alirocumab after open label treatment.
* To evaluate the development of anti-alirocumab antibodies.
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
TRIPLE
Study Groups
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Placebo/Alirocumab Q2W
Participants received subcutaneous (SC) injection of placebo (matched to alirocumab) based on their body weight (BW) (less than \[\<\] 50 kilograms \[kg\] or greater than or equal to \[\>=\] 50 kg) Q2W for 24 weeks in DB treatment period added to stable LMT. After completion of DB treatment period, eligible participants entered into OL treatment period and received alirocumab 40 milligrams (mg) (for BW \<50 kg) or 75 mg (for BW \>=50 kg) Q2W from Week 24 up to an additional 80 weeks (i.e., up to Week 104) added to stable LMT. After Week 24, dose up-titrated from 40 mg to 75 mg when BW increased from \<50 kg to \>=50 kg. From Week 32 up to Week 104, based on participant LDL-C value, alirocumab dose was either up-titrated as 40 mg to 75 mg (for BW \<50 kg) or 75 mg to 150 mg (for BW \>=50 kg) or down titrated as 75 mg to 40 mg (for BW \<50 kg) or 150 mg to 75 mg (for BW \>=50 kg).
Alirocumab SAR236553 (REGN727)
Pharmaceutical form:solution Route of administration: subcutaneous injection
Rosuvastatin
Pharmaceutical form:tablet Route of administration: oral
Atorvastatin
Pharmaceutical form:Tablet Route of administration: Oral
Simvastatin
Pharmaceutical form:Tablet Route of administration: Oral
Pravastatin
Pharmaceutical form:Tablet Route of administration: Oral
Lovastatin
Pharmaceutical form:Tablet Route of administration: Oral
Fluvastatin
Pharmaceutical form:Capsule Route of administration: Oral
Ezetimibe
Pharmaceutical form:Tablet Route of administration: Oral
Cholestyramine
Pharmaceutical form:oral suspension Route of administration: oral
Nicotinic acid
Pharmaceutical form:Tablet Route of administration: Oral
Fenofibrate
Pharmaceutical form:Tablet Route of administration: Oral
Omega-3 fatty acids
Pharmaceutical form:capsule Route of administration: oral
Placebo
Pharmaceutical form:solution Route of administration: subcutaneous injection
Alirocumab Q2W
Participants received SC injection of alirocumab 40 mg (for BW \<50 kg) or 75 mg (for BW \>=50 kg) Q2W for 24 weeks in DB treatment period added to stable LMT. Alirocumab dose was up-titrated to 75 mg or 150 mg Q2W from Week 12, when LDL-C level was \>=110 milligrams per deciliter (mg/dL) (2.85 millimoles per liter \[mmol/L\]) at Week 8. After completion of DB treatment period, eligible participants entered into OL treatment period and received alirocumab 40 mg (for BW \<50 kg) or 75 mg (for BW \>=50 kg) from Week 24 up to an additional 80 weeks (i.e., up to Week 104) added to stable LMT. After Week 24, dose up-titrated from 40 mg to 75 mg when BW increased from \<50 kg to \>=50 kg. From Week 32 up to Week 104, based on participant LDL-C value, alirocumab dose was either up-titrated as 40 mg to 75 mg (for BW \<50 kg) or 75 mg to 150 mg (for BW \>=50 kg) or down titrated as 75 mg to 40 mg (for BW \<50 kg) or 150 mg to 75 mg (for BW \>=50 kg).
Alirocumab SAR236553 (REGN727)
Pharmaceutical form:solution Route of administration: subcutaneous injection
Rosuvastatin
Pharmaceutical form:tablet Route of administration: oral
Atorvastatin
Pharmaceutical form:Tablet Route of administration: Oral
Simvastatin
Pharmaceutical form:Tablet Route of administration: Oral
Pravastatin
Pharmaceutical form:Tablet Route of administration: Oral
Lovastatin
Pharmaceutical form:Tablet Route of administration: Oral
Fluvastatin
Pharmaceutical form:Capsule Route of administration: Oral
Ezetimibe
Pharmaceutical form:Tablet Route of administration: Oral
Cholestyramine
Pharmaceutical form:oral suspension Route of administration: oral
Nicotinic acid
Pharmaceutical form:Tablet Route of administration: Oral
Fenofibrate
Pharmaceutical form:Tablet Route of administration: Oral
Omega-3 fatty acids
Pharmaceutical form:capsule Route of administration: oral
Placebo/Alirocumab Q4W
Participants received SC injection of placebo (matched to alirocumab) based on their BW (\<50 kg or \>=50 kg) Q4W for 24 weeks in DB treatment period added to stable LMT. After completion of DB treatment period, eligible participants entered into OL treatment period and received alirocumab 150 mg (for BW \<50 kg) or 300 mg (for BW \>=50 kg) Q4W from Week 24 up to an additional 80 weeks (i.e., up to Week 104) added to stable LMT. After Week 24, dose up-titrated from 150 mg to 300 mg when BW increased from \<50 kg to \>=50 kg. From Week 32 up to Week 104, based on participant LDL-C value, alirocumab dose was either up-titrated as 150 mg Q4W to 75 mg Q2W (for BW \<50 kg) or 300 mg Q4W to 150 mg Q2W (for BW \>=50 kg) or down titrated as 75 mg Q2W to 40 mg Q2W (for BW \<50 kg) or 150 mg Q2W to 75 mg Q2W (for BW \>=50 kg).
Alirocumab SAR236553 (REGN727)
Pharmaceutical form:solution Route of administration: subcutaneous injection
Rosuvastatin
Pharmaceutical form:tablet Route of administration: oral
Atorvastatin
Pharmaceutical form:Tablet Route of administration: Oral
Simvastatin
Pharmaceutical form:Tablet Route of administration: Oral
Pravastatin
Pharmaceutical form:Tablet Route of administration: Oral
Lovastatin
Pharmaceutical form:Tablet Route of administration: Oral
Fluvastatin
Pharmaceutical form:Capsule Route of administration: Oral
Ezetimibe
Pharmaceutical form:Tablet Route of administration: Oral
Cholestyramine
Pharmaceutical form:oral suspension Route of administration: oral
Nicotinic acid
Pharmaceutical form:Tablet Route of administration: Oral
Fenofibrate
Pharmaceutical form:Tablet Route of administration: Oral
Omega-3 fatty acids
Pharmaceutical form:capsule Route of administration: oral
Placebo
Pharmaceutical form:solution Route of administration: subcutaneous injection
Alirocumab Q4W
Participants received SC injection of alirocumab 150 mg (for BW \<50 kg) or 300 mg (for BW \>=50 kg) Q4W for 24 weeks in DB treatment period added to stable LMT. Alirocumab dose was up-titrated to 75 mg or 150 mg Q2W from Week 12, when LDL-C level \>=110 mg/dL (2.85 mmol/L) at Week 8. After completion of DB treatment period, eligible participants entered into OL treatment period and received alirocumab 150 mg (for BW \<50 kg) or 300 mg (for BW \>=50 kg) from Week 24 up to an additional 80 weeks (i.e., up to Week 104) added to stable LMT. After Week 24, dose up-titrated from 150 mg to 300 mg when BW increased from \<50 kg to \>=50 kg. From Week 32 up to Week 104, based on participant LDL-C value, alirocumab dose was either up-titrated as 150 mg Q4W to 75 mg Q2W (for BW \<50 kg) or 300 mg Q4W to 150 mg Q2W (for BW \>=50 kg) or down titrated as 75 mg Q2W to 40 mg Q2W (for BW \<50 kg) or 150 mg Q2W to 75 mg Q2W (for BW \>=50 kg).
Alirocumab SAR236553 (REGN727)
Pharmaceutical form:solution Route of administration: subcutaneous injection
Rosuvastatin
Pharmaceutical form:tablet Route of administration: oral
Atorvastatin
Pharmaceutical form:Tablet Route of administration: Oral
Simvastatin
Pharmaceutical form:Tablet Route of administration: Oral
Pravastatin
Pharmaceutical form:Tablet Route of administration: Oral
Lovastatin
Pharmaceutical form:Tablet Route of administration: Oral
Fluvastatin
Pharmaceutical form:Capsule Route of administration: Oral
Ezetimibe
Pharmaceutical form:Tablet Route of administration: Oral
Cholestyramine
Pharmaceutical form:oral suspension Route of administration: oral
Nicotinic acid
Pharmaceutical form:Tablet Route of administration: Oral
Fenofibrate
Pharmaceutical form:Tablet Route of administration: Oral
Omega-3 fatty acids
Pharmaceutical form:capsule Route of administration: oral
Interventions
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Alirocumab SAR236553 (REGN727)
Pharmaceutical form:solution Route of administration: subcutaneous injection
Rosuvastatin
Pharmaceutical form:tablet Route of administration: oral
Atorvastatin
Pharmaceutical form:Tablet Route of administration: Oral
Simvastatin
Pharmaceutical form:Tablet Route of administration: Oral
Pravastatin
Pharmaceutical form:Tablet Route of administration: Oral
Lovastatin
Pharmaceutical form:Tablet Route of administration: Oral
Fluvastatin
Pharmaceutical form:Capsule Route of administration: Oral
Ezetimibe
Pharmaceutical form:Tablet Route of administration: Oral
Cholestyramine
Pharmaceutical form:oral suspension Route of administration: oral
Nicotinic acid
Pharmaceutical form:Tablet Route of administration: Oral
Fenofibrate
Pharmaceutical form:Tablet Route of administration: Oral
Omega-3 fatty acids
Pharmaceutical form:capsule Route of administration: oral
Placebo
Pharmaceutical form:solution Route of administration: subcutaneous injection
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Participants with diagnosis of heFH through genotyping or clinical criteria.
* Participants treated with optimal dose of statin +/- other LMT(s) or non-statin LMT(s) if statin intolerant at stable dose for at least 4 weeks prior to screening lipid sampling.
* Participants with calculated LDL-C greater than or equal to 130 mg/dL (\>=3.37 mmol/L) at the screening visit except for participants who have previously participated in the DFI14223 (NCT02890992) study.
* A signed informed consent indicating parental permission with or without participant assent.
Exclusion Criteria
* Participants aged of 8 to 9 years not at Tanner stage 1 and participants aged of 10 to 17 years not at least at Tanner stage 2 in their development.
* Participants with secondary hyperlipidemia.
* Diagnosis of homozygous familial hypercholesterolemia.
* Participant who had received lipid apheresis treatment within 2 months prior to the screening period, or has plans to receive it during the study.
* Participants with uncontrolled type 1 or type 2 diabetes mellitus.
* Participants with known uncontrolled thyroid disease.
* Participants with uncontrolled hypertension.
* Fasting triglycerides greater than (\>) 350 mg/dL (3.95 mmol/L).
* Severe renal impairment (ie, estimated glomerular filtration rate \<30 mL/min/1.73 m\^2).
* Alanine aminotransferase or aspartate aminotransferase \>2\*upper limit of normal (ULN).
* Creatinine phosphokinase (CPK) \>3\*ULN.
The above information was not intended to contain all considerations relevant to a participant's potential participation in a clinical trial.
8 Years
17 Years
ALL
No
Sponsors
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Regeneron Pharmaceuticals
INDUSTRY
Sanofi
INDUSTRY
Responsible Party
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Principal Investigators
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Clinical Sciences & Operations
Role: STUDY_DIRECTOR
Sanofi
Locations
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Excel Medical Clinical Trials, LLC-Site Number:8400001
Boca Raton, Florida, United States
Washington University School of Medicine-Site Number:8400006
St Louis, Missouri, United States
Presbyterian Novant Heart & Wellness-Site Number:8400002
Charlotte, North Carolina, United States
Cincinnati Children's Hospital Medical Center-Site Number:8400005
Cincinnati, Ohio, United States
Vanderbilt University-Site Number:8400003
Nashville, Tennessee, United States
Investigational Site Number :0320001
Buenos Aires, , Argentina
Investigational Site Number :0400001
Vienna, , Austria
Investigational Site Number :0760004
Porto Alegre, Rio Grande do Sul, Brazil
Investigational Site Number :0760001
São Paulo, , Brazil
Investigational Site Number :1000002
Plovdiv, , Bulgaria
Investigational Site Number :1240001
Québec, , Canada
Investigational Site Number :2030002
Brno, , Czechia
Investigational Site Number :2030001
Praha 5 - Motol, , Czechia
Investigational Site Number :2080001
Copenhagen, , Denmark
Investigational Site Number :2460001
HUS, , Finland
Investigational Site Number :2500001
Bron, , France
Investigational Site Number :2500002
Nantes, , France
Investigational Site Number :3480001
Budapest, , Hungary
Investigational Site Number :3800003
Milan, , Italy
Investigational Site Number :3800001
Palermo, , Italy
Investigational Site Number :3800002
Roma, , Italy
Investigational Site Number :4220001
Beirut, , Lebanon
Investigational Site Number :4220003
Room Hospital Street, Achrafie, , Lebanon
Investigational Site Number :4840008
Guadalajara, Jalisco, Mexico
Investigational Site Number :4840007
Oaxaca City, , Mexico
Investigational Site Number :5280001
Amsterdam, , Netherlands
Investigational Site Number :5780001
Oslo, , Norway
Investigational Site Number :6160002
Gdansk, Pomeranian Voivodeship, Poland
Investigational Site Number :6160001
Lodz, , Poland
Investigational Site Number :6430006
Kazan', , Russia
Investigational Site Number :6430001
Kemerovo, , Russia
Investigational Site Number :6430004
Moscow, , Russia
Investigational Site Number :6430002
Ufa, , Russia
Investigational Site Number :7050001
Ljubljana, , Slovenia
Investigational Site Number :7100002
Parow, , South Africa
Investigational Site Number :7240003
Pamplona, Navarre, Spain
Investigational Site Number :7240002
A Coruña, , Spain
Investigational Site Number :7240004
Badalona, , Spain
Investigational Site Number :7240001
Barcelona, , Spain
Investigational Site Number :7520001
Stockholm, , Sweden
Investigational Site Number :1580001
Taipei, , Taiwan
Investigational Site Number :7920002
Ankara, , Turkey (Türkiye)
Investigational Site Number :7920001
Izmir, , Turkey (Türkiye)
Countries
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References
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Santos RD, Wiegman A, Caprio S, Cariou B, Averna M, Poulouin Y, Scemama M, Manvelian G, Garon G, Daniels S. Alirocumab in Pediatric Patients With Heterozygous Familial Hypercholesterolemia: A Randomized Clinical Trial. JAMA Pediatr. 2024 Mar 1;178(3):283-293. doi: 10.1001/jamapediatrics.2023.6477.
Provided Documents
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Document Type: Study Protocol
Document Type: Statistical Analysis Plan
Other Identifiers
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2017-001903-60
Identifier Type: EUDRACT_NUMBER
Identifier Source: secondary_id
U1111-1193-0721
Identifier Type: OTHER
Identifier Source: secondary_id
EFC14643
Identifier Type: -
Identifier Source: org_study_id
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