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Nusinersen versus Sham Control in Infantile-Onset Spinal Muscular Atrophy.
Finkel, Richard S; Mercuri, Eugenio; Darras, Basil T; Connolly, Anne M; Kuntz, Nancy L; Kirschner, Janbernd; Chiriboga, Claudia A; Saito, Kayoko; Servais, Laurent; Tizzano, Eduardo; Topaloglu, Haluk; Tulinius, Már; Montes, Jacqueline; Glanzman, Allan M; Bishop, Kathie; Zhong, Z John; Gheuens, Sarah; Bennett, C Frank; Schneider, Eugene; Farwell, Wildon; De Vivo, Darryl C.
Afiliação
  • Finkel RS; From the Division of Neurology, Department of Pediatrics, Nemours Children's Hospital, Orlando, FL (R.S.F.); the Department of Pediatric Neurology, Catholic University, Rome (E.M.); the Department of Neurology, Boston Children's Hospital, Boston (B.T.D.), and Biogen, Cambridge (Z.J.Z., S.G., W.F.) -
  • Mercuri E; From the Division of Neurology, Department of Pediatrics, Nemours Children's Hospital, Orlando, FL (R.S.F.); the Department of Pediatric Neurology, Catholic University, Rome (E.M.); the Department of Neurology, Boston Children's Hospital, Boston (B.T.D.), and Biogen, Cambridge (Z.J.Z., S.G., W.F.) -
  • Darras BT; From the Division of Neurology, Department of Pediatrics, Nemours Children's Hospital, Orlando, FL (R.S.F.); the Department of Pediatric Neurology, Catholic University, Rome (E.M.); the Department of Neurology, Boston Children's Hospital, Boston (B.T.D.), and Biogen, Cambridge (Z.J.Z., S.G., W.F.) -
  • Connolly AM; From the Division of Neurology, Department of Pediatrics, Nemours Children's Hospital, Orlando, FL (R.S.F.); the Department of Pediatric Neurology, Catholic University, Rome (E.M.); the Department of Neurology, Boston Children's Hospital, Boston (B.T.D.), and Biogen, Cambridge (Z.J.Z., S.G., W.F.) -
  • Kuntz NL; From the Division of Neurology, Department of Pediatrics, Nemours Children's Hospital, Orlando, FL (R.S.F.); the Department of Pediatric Neurology, Catholic University, Rome (E.M.); the Department of Neurology, Boston Children's Hospital, Boston (B.T.D.), and Biogen, Cambridge (Z.J.Z., S.G., W.F.) -
  • Kirschner J; From the Division of Neurology, Department of Pediatrics, Nemours Children's Hospital, Orlando, FL (R.S.F.); the Department of Pediatric Neurology, Catholic University, Rome (E.M.); the Department of Neurology, Boston Children's Hospital, Boston (B.T.D.), and Biogen, Cambridge (Z.J.Z., S.G., W.F.) -
  • Chiriboga CA; From the Division of Neurology, Department of Pediatrics, Nemours Children's Hospital, Orlando, FL (R.S.F.); the Department of Pediatric Neurology, Catholic University, Rome (E.M.); the Department of Neurology, Boston Children's Hospital, Boston (B.T.D.), and Biogen, Cambridge (Z.J.Z., S.G., W.F.) -
  • Saito K; From the Division of Neurology, Department of Pediatrics, Nemours Children's Hospital, Orlando, FL (R.S.F.); the Department of Pediatric Neurology, Catholic University, Rome (E.M.); the Department of Neurology, Boston Children's Hospital, Boston (B.T.D.), and Biogen, Cambridge (Z.J.Z., S.G., W.F.) -
  • Servais L; From the Division of Neurology, Department of Pediatrics, Nemours Children's Hospital, Orlando, FL (R.S.F.); the Department of Pediatric Neurology, Catholic University, Rome (E.M.); the Department of Neurology, Boston Children's Hospital, Boston (B.T.D.), and Biogen, Cambridge (Z.J.Z., S.G., W.F.) -
  • Tizzano E; From the Division of Neurology, Department of Pediatrics, Nemours Children's Hospital, Orlando, FL (R.S.F.); the Department of Pediatric Neurology, Catholic University, Rome (E.M.); the Department of Neurology, Boston Children's Hospital, Boston (B.T.D.), and Biogen, Cambridge (Z.J.Z., S.G., W.F.) -
  • Topaloglu H; From the Division of Neurology, Department of Pediatrics, Nemours Children's Hospital, Orlando, FL (R.S.F.); the Department of Pediatric Neurology, Catholic University, Rome (E.M.); the Department of Neurology, Boston Children's Hospital, Boston (B.T.D.), and Biogen, Cambridge (Z.J.Z., S.G., W.F.) -
  • Tulinius M; From the Division of Neurology, Department of Pediatrics, Nemours Children's Hospital, Orlando, FL (R.S.F.); the Department of Pediatric Neurology, Catholic University, Rome (E.M.); the Department of Neurology, Boston Children's Hospital, Boston (B.T.D.), and Biogen, Cambridge (Z.J.Z., S.G., W.F.) -
  • Montes J; From the Division of Neurology, Department of Pediatrics, Nemours Children's Hospital, Orlando, FL (R.S.F.); the Department of Pediatric Neurology, Catholic University, Rome (E.M.); the Department of Neurology, Boston Children's Hospital, Boston (B.T.D.), and Biogen, Cambridge (Z.J.Z., S.G., W.F.) -
  • Glanzman AM; From the Division of Neurology, Department of Pediatrics, Nemours Children's Hospital, Orlando, FL (R.S.F.); the Department of Pediatric Neurology, Catholic University, Rome (E.M.); the Department of Neurology, Boston Children's Hospital, Boston (B.T.D.), and Biogen, Cambridge (Z.J.Z., S.G., W.F.) -
  • Bishop K; From the Division of Neurology, Department of Pediatrics, Nemours Children's Hospital, Orlando, FL (R.S.F.); the Department of Pediatric Neurology, Catholic University, Rome (E.M.); the Department of Neurology, Boston Children's Hospital, Boston (B.T.D.), and Biogen, Cambridge (Z.J.Z., S.G., W.F.) -
  • Zhong ZJ; From the Division of Neurology, Department of Pediatrics, Nemours Children's Hospital, Orlando, FL (R.S.F.); the Department of Pediatric Neurology, Catholic University, Rome (E.M.); the Department of Neurology, Boston Children's Hospital, Boston (B.T.D.), and Biogen, Cambridge (Z.J.Z., S.G., W.F.) -
  • Gheuens S; From the Division of Neurology, Department of Pediatrics, Nemours Children's Hospital, Orlando, FL (R.S.F.); the Department of Pediatric Neurology, Catholic University, Rome (E.M.); the Department of Neurology, Boston Children's Hospital, Boston (B.T.D.), and Biogen, Cambridge (Z.J.Z., S.G., W.F.) -
  • Bennett CF; From the Division of Neurology, Department of Pediatrics, Nemours Children's Hospital, Orlando, FL (R.S.F.); the Department of Pediatric Neurology, Catholic University, Rome (E.M.); the Department of Neurology, Boston Children's Hospital, Boston (B.T.D.), and Biogen, Cambridge (Z.J.Z., S.G., W.F.) -
  • Schneider E; From the Division of Neurology, Department of Pediatrics, Nemours Children's Hospital, Orlando, FL (R.S.F.); the Department of Pediatric Neurology, Catholic University, Rome (E.M.); the Department of Neurology, Boston Children's Hospital, Boston (B.T.D.), and Biogen, Cambridge (Z.J.Z., S.G., W.F.) -
  • Farwell W; From the Division of Neurology, Department of Pediatrics, Nemours Children's Hospital, Orlando, FL (R.S.F.); the Department of Pediatric Neurology, Catholic University, Rome (E.M.); the Department of Neurology, Boston Children's Hospital, Boston (B.T.D.), and Biogen, Cambridge (Z.J.Z., S.G., W.F.) -
  • De Vivo DC; From the Division of Neurology, Department of Pediatrics, Nemours Children's Hospital, Orlando, FL (R.S.F.); the Department of Pediatric Neurology, Catholic University, Rome (E.M.); the Department of Neurology, Boston Children's Hospital, Boston (B.T.D.), and Biogen, Cambridge (Z.J.Z., S.G., W.F.) -
N Engl J Med ; 377(18): 1723-1732, 2017 11 02.
Article em En | MEDLINE | ID: mdl-29091570
ABSTRACT

BACKGROUND:

Spinal muscular atrophy is an autosomal recessive neuromuscular disorder that is caused by an insufficient level of survival motor neuron (SMN) protein. Nusinersen is an antisense oligonucleotide drug that modifies pre-messenger RNA splicing of the SMN2 gene and thus promotes increased production of full-length SMN protein.

METHODS:

We conducted a randomized, double-blind, sham-controlled, phase 3 efficacy and safety trial of nusinersen in infants with spinal muscular atrophy. The primary end points were a motor-milestone response (defined according to results on the Hammersmith Infant Neurological Examination) and event-free survival (time to death or the use of permanent assisted ventilation). Secondary end points included overall survival and subgroup analyses of event-free survival according to disease duration at screening. Only the first primary end point was tested in a prespecified interim analysis. To control the overall type I error rate at 0.05, a hierarchical testing strategy was used for the second primary end point and the secondary end points in the final analysis.

RESULTS:

In the interim analysis, a significantly higher percentage of infants in the nusinersen group than in the control group had a motor-milestone response (21 of 51 infants [41%] vs. 0 of 27 [0%], P<0.001), and this result prompted early termination of the trial. In the final analysis, a significantly higher percentage of infants in the nusinersen group than in the control group had a motor-milestone response (37 of 73 infants [51%] vs. 0 of 37 [0%]), and the likelihood of event-free survival was higher in the nusinersen group than in the control group (hazard ratio for death or the use of permanent assisted ventilation, 0.53; P=0.005). The likelihood of overall survival was higher in the nusinersen group than in the control group (hazard ratio for death, 0.37; P=0.004), and infants with a shorter disease duration at screening were more likely than those with a longer disease duration to benefit from nusinersen. The incidence and severity of adverse events were similar in the two groups.

CONCLUSIONS:

Among infants with spinal muscular atrophy, those who received nusinersen were more likely to be alive and have improvements in motor function than those in the control group. Early treatment may be necessary to maximize the benefit of the drug. (Funded by Biogen and Ionis Pharmaceuticals; ENDEAR ClinicalTrials.gov number, NCT02193074 .).
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Oligonucleotídeos / Atrofias Musculares Espinais da Infância / Oligonucleotídeos Antissenso Tipo de estudo: Clinical_trials Limite: Female / Humans / Infant / Male Idioma: En Ano de publicação: 2017 Tipo de documento: Article
Texto completo
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Oligonucleotídeos / Atrofias Musculares Espinais da Infância / Oligonucleotídeos Antissenso Tipo de estudo: Clinical_trials Limite: Female / Humans / Infant / Male Idioma: En Ano de publicação: 2017 Tipo de documento: Article