Trial Evaluating PCSK9 Antibody in Subjects With LDL Receptor Abnormalities (TESLA)
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ClinicalTrials.gov Identifier: NCT01588496 |
Recruitment Status :
Completed
First Posted : May 1, 2012
Results First Posted : October 2, 2015
Last Update Posted : November 29, 2018
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Condition or disease | Intervention/treatment | Phase |
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Homozygous Familial Hypercholesterolemia | Biological: Evolocumab Drug: Placebo | Phase 2 Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 58 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | 2-part, Phase 2/3 Study to Assess the Safety, Tolerability and Efficacy of AMG 145 in Subjects With Homozygous Familial Hypercholesterolemia. Part A - Open-label, Single-arm, Multicenter Pilot Study to Evaluate Safety, Tolerability and Efficacy of AMG 145 in Subjects With Homozygous Familial Hypercholesterolemia. Part B - Double-blind, Randomized, Placebo-controlled, Multicenter Study to Evaluate Safety, Tolerability and Efficacy of AMG 145 in Subjects With Homozygous Familial Hypercholesterolemia |
Actual Study Start Date : | April 5, 2012 |
Actual Primary Completion Date : | January 31, 2014 |
Actual Study Completion Date : | January 31, 2014 |

Arm | Intervention/treatment |
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Experimental: Part A: Evolocumab
Participants received open-label evolocumab 420 mg subcutaneously once a month for 12 weeks.
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Biological: Evolocumab
Administered by subcutaneous injection
Other Names:
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Experimental: Part B: Evolocumab
Participants received double-blind evolocumab 420 mg subcutaneously once a month for 12 weeks.
|
Biological: Evolocumab
Administered by subcutaneous injection
Other Names:
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Placebo Comparator: Part B: Placebo
Participants received double-blind placebo subcutaneously once a month for 12 weeks.
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Drug: Placebo
Administered by subcutaneous injection |
- Part A: Percent Change From Baseline in Low Density Lipoprotein Cholesterol (LDL-C) at Week 12 [ Time Frame: Baseline and Week 12 ]LDL-C was quantified using the ultracentrifugation method.
- Part B: Percent Change From Baseline in Low Density Lipoprotein Cholesterol (LDL-C) at Week 12 [ Time Frame: Baseline and Week 12 ]LDL-C was quantified using the ultracentrifugation method.
- Part A: Change From Baseline in LDL-C at Week 12 [ Time Frame: Baseline and Week 12 ]LDL-C was quantified using the ultracentrifugation method.
- Part A: Percent Change From Baseline in Non-High Density Lipoprotein Cholesterol (Non-HDL-C) at Week 12 [ Time Frame: Baseline and Week 12 ]
- Part A: Percent Change From Baseline in Apolipoprotein B at Week 12 [ Time Frame: Baseline and Week 12 ]
- Part A: Percent Change From Baseline in the Total Cholesterol/HDL-C Ratio at Week 12 [ Time Frame: Baseline and Week 12 ]
- Part A: Percent Change From Baseline in Apolipoprotein B/Apolipoprotein A1 Ratio at Week 12 [ Time Frame: Baseline and Week 12 ]
- Part A: Percentage of Participants With 15% or Greater Reduction in LDL-C From Baseline at Week 12 [ Time Frame: Baseline and Week 12 ]LDL-C was quantified using the ultracentrifugation method.
- Part A: Change From Baseline in Proprotein Convertase Subtilisin/Kexin Type 9 (PCSK9) at Week 12 [ Time Frame: Baseline and Week 12 ]
- Part B: Percent Change From Baseline in LDL-C at the Mean of Weeks 6 and 12 [ Time Frame: Baseline and Weeks 6 and 12 ]LDL-C was quantified using the ultracentrifugation method.
- Part B: Percent Change From Baseline in Apolipoprotein B at Week 12 [ Time Frame: Baseline and Week 12 ]
- Part B: Percent Change From Baseline in Apolipoprotein B at the Mean of Weeks 6 and 12 [ Time Frame: Baseline and Weeks 6 and 12 ]
- Part B: Percent Change From Baseline in Lipoprotein (a) at Week 12 [ Time Frame: Baseline and Week 12 ]
- Part B: Percent Change From Baseline in Lipoprotein (a) at the Mean of Weeks 6 and 12 [ Time Frame: Baseline and Weeks 6 and 12 ]

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Ages Eligible for Study: | 12 Years to 80 Years (Child, Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Males and females ≥ 12 to ≤ 80 years of age
- Diagnosis of homozygous familial hypercholesterolemia
- Stable lipid-lowering therapies for at least 4 weeks
- LDL cholesterol ≥ 130 mg/dl (3.4 mmol/L)
- Triglyceride ≤ 400 mg/dL (4.5 mmol/L)
- Bodyweight of ≥ 40 kg at screening.
Exclusion Criteria:
- LDL or plasma apheresis within 8 weeks prior to randomization
- New York Heart Association (NYHA) class III or IV or last known left ventricular ejection fraction < 30%
- Myocardial infarction, unstable angina, percutaneous coronary intervention (PCI), coronary artery bypass graft (CABG) or stroke within 3 months of randomization
- Planned cardiac surgery or revascularization
- Uncontrolled cardiac arrhythmia
- Uncontrolled hypertension

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01588496
United States, New York | |
Research Site | |
New York, New York, United States, 10032 | |
United States, Ohio | |
Research Site | |
Cincinnati, Ohio, United States, 45227 | |
Belgium | |
Research Site | |
Bruxelles, Belgium, 1200 | |
Research Site | |
La Louvière, Belgium, 7100 | |
Canada, Ontario | |
Research Site | |
London, Ontario, Canada, N6A 5K8 | |
Canada, Quebec | |
Research Site | |
Chicoutimi, Quebec, Canada, G7H 7K9 | |
Czechia | |
Research Site | |
Brno, Czechia, 656 91 | |
Research Site | |
Hradec Kralove, Czechia, 500 05 | |
Research Site | |
Uherske Hradiste, Czechia, 686 01 | |
France | |
Research Site | |
Dijon, France, 21000 | |
Research Site | |
Paris Cedex 13, France, 75651 | |
Hong Kong | |
Research Site | |
New Territories, Hong Kong | |
Italy | |
Research Site | |
Pisa, Italy, 56124 | |
Lebanon | |
Research Site | |
Beirut, Lebanon, 0000 | |
Netherlands | |
Research Site | |
Amsterdam, Netherlands, 1105 AZ | |
New Zealand | |
Research Site | |
Christchurch, New Zealand, 8011 | |
South Africa | |
Research Site | |
Johannesburg, Gauteng, South Africa, 2193 | |
Research Site | |
Observatory, Western Cape, South Africa, 7925 | |
Spain | |
Research Site | |
Cordoba, Andalucía, Spain, 14004 | |
Research Site | |
Lugo, Galicia, Spain, 27003 | |
Research Site | |
Madrid, Spain, 28040 |
Study Director: | MD | Amgen |
Publications:
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | Amgen |
ClinicalTrials.gov Identifier: | NCT01588496 |
Other Study ID Numbers: |
20110233 2011-005399-40 ( EudraCT Number ) |
First Posted: | May 1, 2012 Key Record Dates |
Results First Posted: | October 2, 2015 |
Last Update Posted: | November 29, 2018 |
Last Verified: | November 2018 |
hypercholesterolemia familial hypercholesterolemia homozygous familial hypercholesterolemia |
Hyperlipoproteinemia Type II Hypercholesterolemia Hyperlipidemias Dyslipidemias Lipid Metabolism Disorders Metabolic Diseases Lipid Metabolism, Inborn Errors Metabolism, Inborn Errors |
Genetic Diseases, Inborn Hyperlipoproteinemias Evolocumab Anticholesteremic Agents Hypolipidemic Agents Antimetabolites Molecular Mechanisms of Pharmacological Action Lipid Regulating Agents |