Evolocumab in Pediatric Heterozygous Familial Hypercholesterolemia.
Adolescent
Antibodies, Monoclonal, Humanized
/ adverse effects
Anticholesteremic Agents
/ adverse effects
Child
Cholesterol, LDL
/ blood
Double-Blind Method
Drug Therapy, Combination
Female
Heterozygote
Humans
Hydroxymethylglutaryl-CoA Reductase Inhibitors
/ therapeutic use
Hyperlipoproteinemia Type II
/ drug therapy
Lipids
/ blood
Male
PCSK9 Inhibitors
Treatment Outcome
Journal
The New England journal of medicine
ISSN: 1533-4406
Titre abrégé: N Engl J Med
Pays: United States
ID NLM: 0255562
Informations de publication
Date de publication:
01 10 2020
01 10 2020
Historique:
pubmed:
1
9
2020
medline:
21
10
2020
entrez:
1
9
2020
Statut:
ppublish
Résumé
Evolocumab, a fully human monoclonal antibody directed against proprotein convertase subtilisin-kexin type 9, is widely used in adult patients to lower low-density lipoprotein (LDL) cholesterol levels. Its effects in pediatric patients with heterozygous familial hypercholesterolemia are not known. We conducted a 24-week, randomized, double-blind, placebo-controlled trial to evaluate the efficacy and safety of evolocumab in pediatric patients with heterozygous familial hypercholesterolemia. Patients 10 to 17 years of age who had received stable lipid-lowering treatment for at least 4 weeks before screening and who had an LDL cholesterol level of 130 mg per deciliter (3.4 mmol per liter) or more and a triglyceride level of 400 mg per deciliter (4.5 mmol per liter) or less were randomly assigned in a 2:1 ratio to receive monthly subcutaneous injections of evolocumab (420 mg) or placebo. The primary end point was the percent change in LDL cholesterol level from baseline to week 24; key secondary end points were the mean percent change in LDL cholesterol level from baseline to weeks 22 and 24 and the absolute change in LDL cholesterol level from baseline to week 24. A total of 157 patients underwent randomization and received evolocumab (104 patients) or placebo (53 patients). At week 24, the mean percent change from baseline in LDL cholesterol level was -44.5% in the evolocumab group and -6.2% in the placebo group, for a difference of -38.3 percentage points (P<0.001). The absolute change in the LDL cholesterol level was -77.5 mg per deciliter (-2.0 mmol per liter) in the evolocumab group and -9.0 mg per deciliter (-0.2 mmol per liter) in the placebo group, for a difference of -68.6 mg per deciliter (-1.8 mmol per liter) (P<0.001). Results for all secondary lipid variables were significantly better with evolocumab than with placebo. The incidence of adverse events that occurred during the treatment period was similar in the evolocumab and placebo groups. In this trial involving pediatric patients with familial hypercholesterolemia, evolocumab reduced the LDL cholesterol level and other lipid variables. (Funded by Amgen; HAUSER-RCT ClinicalTrials.gov number, NCT02392559.).
Sections du résumé
BACKGROUND
Evolocumab, a fully human monoclonal antibody directed against proprotein convertase subtilisin-kexin type 9, is widely used in adult patients to lower low-density lipoprotein (LDL) cholesterol levels. Its effects in pediatric patients with heterozygous familial hypercholesterolemia are not known.
METHODS
We conducted a 24-week, randomized, double-blind, placebo-controlled trial to evaluate the efficacy and safety of evolocumab in pediatric patients with heterozygous familial hypercholesterolemia. Patients 10 to 17 years of age who had received stable lipid-lowering treatment for at least 4 weeks before screening and who had an LDL cholesterol level of 130 mg per deciliter (3.4 mmol per liter) or more and a triglyceride level of 400 mg per deciliter (4.5 mmol per liter) or less were randomly assigned in a 2:1 ratio to receive monthly subcutaneous injections of evolocumab (420 mg) or placebo. The primary end point was the percent change in LDL cholesterol level from baseline to week 24; key secondary end points were the mean percent change in LDL cholesterol level from baseline to weeks 22 and 24 and the absolute change in LDL cholesterol level from baseline to week 24.
RESULTS
A total of 157 patients underwent randomization and received evolocumab (104 patients) or placebo (53 patients). At week 24, the mean percent change from baseline in LDL cholesterol level was -44.5% in the evolocumab group and -6.2% in the placebo group, for a difference of -38.3 percentage points (P<0.001). The absolute change in the LDL cholesterol level was -77.5 mg per deciliter (-2.0 mmol per liter) in the evolocumab group and -9.0 mg per deciliter (-0.2 mmol per liter) in the placebo group, for a difference of -68.6 mg per deciliter (-1.8 mmol per liter) (P<0.001). Results for all secondary lipid variables were significantly better with evolocumab than with placebo. The incidence of adverse events that occurred during the treatment period was similar in the evolocumab and placebo groups.
CONCLUSIONS
In this trial involving pediatric patients with familial hypercholesterolemia, evolocumab reduced the LDL cholesterol level and other lipid variables. (Funded by Amgen; HAUSER-RCT ClinicalTrials.gov number, NCT02392559.).
Identifiants
pubmed: 32865373
doi: 10.1056/NEJMoa2019910
doi:
Substances chimiques
Antibodies, Monoclonal, Humanized
0
Anticholesteremic Agents
0
Cholesterol, LDL
0
Hydroxymethylglutaryl-CoA Reductase Inhibitors
0
Lipids
0
PCSK9 Inhibitors
0
PCSK9 protein, human
EC 3.4.21.-
evolocumab
LKC0U3A8NJ
Banques de données
ClinicalTrials.gov
['NCT02392559']
Types de publication
Journal Article
Multicenter Study
Randomized Controlled Trial
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
1317-1327Investigateurs
D Sullivan
(D)
S Greber-Platzer
(S)
B Simma
(B)
D Weghuber
(D)
O Descamps
(O)
E Sokal
(E)
P Witters
(P)
R D Santos
(RD)
M H Costa Gurgel Castelo
(MH)
M C Izar
(MC)
J L Cunha Borges
(JL)
J Bergeron
(J)
D Gaudet
(D)
J St Pierre
(J)
R Campo Torrenegra
(R)
A E Quintero Baiz
(AE)
J Maly
(J)
G Kolovou
(G)
T Szamosi
(T)
C Stefanutti
(C)
A Bartuli
(A)
L De Sanctis
(L)
M Arca
(M)
T Sampietro
(T)
M Averna
(M)
M Bin Mohamed
(M)
V Gerdes
(V)
H Risstad
(H)
C Tondel
(C)
E Asprusten
(E)
M Hennig
(M)
M Salgado
(M)
M Kostik
(M)
U Groselj
(U)
L Burgess
(L)
J L Diaz
(JL)
F Fuentes Jimenez
(F)
J I Vidal Pardo
(JI)
F Mach
(F)
A Miserez
(A)
M Coker
(M)
I Okur
(I)
S Santra
(S)
J Kelley
(J)
J Mahgerefteh
(J)
J Steinberger
(J)
T Turner
(T)
F Zappalla
(F)
Commentaires et corrections
Type : CommentIn
Type : CommentIn
Type : CommentIn
Informations de copyright
Copyright © 2020 Massachusetts Medical Society.