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Selumetinib in Children with Inoperable Plexiform Neurofibromas.
Gross, Andrea M; Wolters, Pamela L; Dombi, Eva; Baldwin, Andrea; Whitcomb, Patricia; Fisher, Michael J; Weiss, Brian; Kim, AeRang; Bornhorst, Miriam; Shah, Amish C; Martin, Staci; Roderick, Marie C; Pichard, Dominique C; Carbonell, Amanda; Paul, Scott M; Therrien, Janet; Kapustina, Oxana; Heisey, Kara; Clapp, D Wade; Zhang, Chi; Peer, Cody J; Figg, William D; Smith, Malcolm; Glod, John; Blakeley, Jaishri O; Steinberg, Seth M; Venzon, David J; Doyle, L Austin; Widemann, Brigitte C.
  • Gross AM; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Wolters PL; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Dombi E; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Baldwin A; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Whitcomb P; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Fisher MJ; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Weiss B; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Kim A; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Bornhorst M; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Shah AC; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Martin S; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Roderick MC; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Pichard DC; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Carbonell A; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Paul SM; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Therrien J; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Kapustina O; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Heisey K; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Clapp DW; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Zhang C; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Peer CJ; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Figg WD; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Smith M; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Glod J; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Blakeley JO; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Steinberg SM; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Venzon DJ; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Doyle LA; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
  • Widemann BC; From the Pediatric Oncology Branch (A.M.G., P.L.W., E.D., P.W., S.M., M.C.R., D.C.P., A.C., J.T., O.K., J.G., B.C.W.) and the Clinical Pharmacology Program (C.J.P., W.D.F.), Center for Cancer Research, National Cancer Institute, and the Rehabilitation Medicine Department, Clinical Center (S.M.P), Na
N Engl J Med ; 382(15): 1430-1442, 2020 04 09.
Article en En | MEDLINE | ID: mdl-32187457
ABSTRACT

BACKGROUND:

No approved therapies exist for inoperable plexiform neurofibromas in patients with neurofibromatosis type 1.

METHODS:

We conducted an open-label, phase 2 trial of selumetinib to determine the objective response rate among patients with plexiform neurofibromas and to assess clinical benefit. Children with neurofibromatosis type 1 and symptomatic inoperable plexiform neurofibromas received oral selumetinib twice daily at a dose of 25 mg per square meter of body-surface area on a continuous dosing schedule (28-day cycles). Volumetric magnetic resonance imaging and clinical outcome assessments (pain, quality of life, disfigurement, and function) were performed at least every four cycles. Children rated tumor pain intensity on a scale from 0 (no pain) to 10 (worst pain imaginable).

RESULTS:

A total of 50 children (median age, 10.2 years; range, 3.5 to 17.4) were enrolled from August 2015 through August 2016. The most frequent neurofibroma-related symptoms were disfigurement (44 patients), motor dysfunction (33), and pain (26). A total of 35 patients (70%) had a confirmed partial response as of March 29, 2019, and 28 of these patients had a durable response (lasting ≥1 year). After 1 year of treatment, the mean decrease in child-reported tumor pain-intensity scores was 2 points, considered a clinically meaningful improvement. In addition, clinically meaningful improvements were seen in child-reported and parent-reported interference of pain in daily functioning (38% and 50%, respectively) and overall health-related quality of life (48% and 58%, respectively) as well as in functional outcomes of strength (56% of patients) and range of motion (38% of patients). Five patients discontinued treatment because of toxic effects possibly related to selumetinib, and 6 patients had disease progression. The most frequent toxic effects were nausea, vomiting, or diarrhea; an asymptomatic increase in the creatine phosphokinase level; acneiform rash; and paronychia.

CONCLUSIONS:

In this phase 2 trial, most children with neurofibromatosis type 1 and inoperable plexiform neurofibromas had durable tumor shrinkage and clinical benefit from selumetinib. (Funded by the Intramural Research Program of the National Institutes of Health and others; ClinicalTrials.gov number, NCT01362803.).
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Texto completo: 1 Banco de datos: MEDLINE Asunto principal: Bencimidazoles / Neurofibromatosis 1 / Neurofibroma Plexiforme / Quinasas de Proteína Quinasa Activadas por Mitógenos / Inhibidores de Proteínas Quinasas Tipo de estudio: Etiology_studies Límite: Adolescent / Child / Child, preschool / Female / Humans / Male Idioma: En Año: 2020 Tipo del documento: Article
Texto completo
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Search on Google

Texto completo: 1 Banco de datos: MEDLINE Asunto principal: Bencimidazoles / Neurofibromatosis 1 / Neurofibroma Plexiforme / Quinasas de Proteína Quinasa Activadas por Mitógenos / Inhibidores de Proteínas Quinasas Tipo de estudio: Etiology_studies Límite: Adolescent / Child / Child, preschool / Female / Humans / Male Idioma: En Año: 2020 Tipo del documento: Article