Recombinant human insulin‐like growth factor‐1 therapy for 6 months improves growth but not motor function in boys with Duchenne muscular dystrophy

Introduction Recombinant human insulin‐like growth factor‐1 (rhIGF‐1) is a growth factor and has anabolic effects on muscle. We investigated whether rhIGF‐1 therapy: 1) improves or preserves muscle function; and 2) improves growth in boys with Duchenne muscular dystrophy (DMD). Methods In this study...

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Published inMuscle & nerve Vol. 61; no. 5; pp. 623 - 631
Main Authors Rutter, Meilan M., Wong, Brenda L., Collins, James J., Sawnani, Hemant, Taylor, Michael D., Horn, Paul S., Backeljauw, Philippe F.
Format Journal Article
LanguageEnglish
Published Hoboken, USA John Wiley & Sons, Inc 01.05.2020
Subjects
Online AccessGet full text
ISSN0148-639X
1097-4598
1097-4598
DOI10.1002/mus.26846

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Abstract Introduction Recombinant human insulin‐like growth factor‐1 (rhIGF‐1) is a growth factor and has anabolic effects on muscle. We investigated whether rhIGF‐1 therapy: 1) improves or preserves muscle function; and 2) improves growth in boys with Duchenne muscular dystrophy (DMD). Methods In this study we compared prepubescent, ambulatory, glucocorticoid‐treated boys with DMD (n = 17) vs controls (glucocorticoid therapy only, n = 21) in a 6‐month‐long, prospective, randomized, controlled trial of subcutaneous rhIGF‐1 therapy. The primary outcome was 6‐minute walk distance (6MWD). Secondary outcomes included height velocity (HV), change in height standard deviation score (ΔHtSDS), motor function, cardiopulmonary function, body composition, insulin sensitivity, quality of life, and safety. Results Change in 6MWD was similar between groups (rhIGF‐1 vs controls [mean ± SD]: 3.4 ± 32.4 vs −5.1 ± 50.2 meters, P = .53). Treated subjects grew more than controls (HV: 6.5 ± 1.7 vs 3.3 ± 1.3 cm/year, P < .0001; 6‐month ΔHtSDS: 0.25, P < .0001). Lean mass and insulin sensitivity increased in treated subjects. Discussion In boys with DMD, 6 months of rhIGF‐1 therapy did not change motor function, but it improved linear growth.
AbstractList Recombinant human insulin-like growth factor-1 (rhIGF-1) is a growth factor and has anabolic effects on muscle. We investigated whether rhIGF-1 therapy: 1) improves or preserves muscle function; and 2) improves growth in boys with Duchenne muscular dystrophy (DMD). In this study we compared prepubescent, ambulatory, glucocorticoid-treated boys with DMD (n = 17) vs controls (glucocorticoid therapy only, n = 21) in a 6-month-long, prospective, randomized, controlled trial of subcutaneous rhIGF-1 therapy. The primary outcome was 6-minute walk distance (6MWD). Secondary outcomes included height velocity (HV), change in height standard deviation score (ΔHtSDS), motor function, cardiopulmonary function, body composition, insulin sensitivity, quality of life, and safety. Change in 6MWD was similar between groups (rhIGF-1 vs controls [mean ± SD]: 3.4 ± 32.4 vs -5.1 ± 50.2 meters, P = .53). Treated subjects grew more than controls (HV: 6.5 ± 1.7 vs 3.3 ± 1.3 cm/year, P < .0001; 6-month ΔHtSDS: 0.25, P < .0001). Lean mass and insulin sensitivity increased in treated subjects. In boys with DMD, 6 months of rhIGF-1 therapy did not change motor function, but it improved linear growth.
Recombinant human insulin-like growth factor-1 (rhIGF-1) is a growth factor and has anabolic effects on muscle. We investigated whether rhIGF-1 therapy: 1) improves or preserves muscle function; and 2) improves growth in boys with Duchenne muscular dystrophy (DMD).INTRODUCTIONRecombinant human insulin-like growth factor-1 (rhIGF-1) is a growth factor and has anabolic effects on muscle. We investigated whether rhIGF-1 therapy: 1) improves or preserves muscle function; and 2) improves growth in boys with Duchenne muscular dystrophy (DMD).In this study we compared prepubescent, ambulatory, glucocorticoid-treated boys with DMD (n = 17) vs controls (glucocorticoid therapy only, n = 21) in a 6-month-long, prospective, randomized, controlled trial of subcutaneous rhIGF-1 therapy. The primary outcome was 6-minute walk distance (6MWD). Secondary outcomes included height velocity (HV), change in height standard deviation score (ΔHtSDS), motor function, cardiopulmonary function, body composition, insulin sensitivity, quality of life, and safety.METHODSIn this study we compared prepubescent, ambulatory, glucocorticoid-treated boys with DMD (n = 17) vs controls (glucocorticoid therapy only, n = 21) in a 6-month-long, prospective, randomized, controlled trial of subcutaneous rhIGF-1 therapy. The primary outcome was 6-minute walk distance (6MWD). Secondary outcomes included height velocity (HV), change in height standard deviation score (ΔHtSDS), motor function, cardiopulmonary function, body composition, insulin sensitivity, quality of life, and safety.Change in 6MWD was similar between groups (rhIGF-1 vs controls [mean ± SD]: 3.4 ± 32.4 vs -5.1 ± 50.2 meters, P = .53). Treated subjects grew more than controls (HV: 6.5 ± 1.7 vs 3.3 ± 1.3 cm/year, P < .0001; 6-month ΔHtSDS: 0.25, P < .0001). Lean mass and insulin sensitivity increased in treated subjects.RESULTSChange in 6MWD was similar between groups (rhIGF-1 vs controls [mean ± SD]: 3.4 ± 32.4 vs -5.1 ± 50.2 meters, P = .53). Treated subjects grew more than controls (HV: 6.5 ± 1.7 vs 3.3 ± 1.3 cm/year, P < .0001; 6-month ΔHtSDS: 0.25, P < .0001). Lean mass and insulin sensitivity increased in treated subjects.In boys with DMD, 6 months of rhIGF-1 therapy did not change motor function, but it improved linear growth.DISCUSSIONIn boys with DMD, 6 months of rhIGF-1 therapy did not change motor function, but it improved linear growth.
Introduction Recombinant human insulin‐like growth factor‐1 (rhIGF‐1) is a growth factor and has anabolic effects on muscle. We investigated whether rhIGF‐1 therapy: 1) improves or preserves muscle function; and 2) improves growth in boys with Duchenne muscular dystrophy (DMD). Methods In this study we compared prepubescent, ambulatory, glucocorticoid‐treated boys with DMD (n = 17) vs controls (glucocorticoid therapy only, n = 21) in a 6‐month‐long, prospective, randomized, controlled trial of subcutaneous rhIGF‐1 therapy. The primary outcome was 6‐minute walk distance (6MWD). Secondary outcomes included height velocity (HV), change in height standard deviation score (ΔHtSDS), motor function, cardiopulmonary function, body composition, insulin sensitivity, quality of life, and safety. Results Change in 6MWD was similar between groups (rhIGF‐1 vs controls [mean ± SD]: 3.4 ± 32.4 vs −5.1 ± 50.2 meters, P = .53). Treated subjects grew more than controls (HV: 6.5 ± 1.7 vs 3.3 ± 1.3 cm/year, P < .0001; 6‐month ΔHtSDS: 0.25, P < .0001). Lean mass and insulin sensitivity increased in treated subjects. Discussion In boys with DMD, 6 months of rhIGF‐1 therapy did not change motor function, but it improved linear growth.
Author Wong, Brenda L.
Taylor, Michael D.
Horn, Paul S.
Backeljauw, Philippe F.
Collins, James J.
Rutter, Meilan M.
Sawnani, Hemant
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  organization: Cincinnati Children's Hospital Medical Center
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Keywords IGF
short stature
glucocorticoid
growth hormone
Duchenne muscular dystrophy
steroid
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Snippet Introduction Recombinant human insulin‐like growth factor‐1 (rhIGF‐1) is a growth factor and has anabolic effects on muscle. We investigated whether rhIGF‐1...
Recombinant human insulin-like growth factor-1 (rhIGF-1) is a growth factor and has anabolic effects on muscle. We investigated whether rhIGF-1 therapy: 1)...
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SubjectTerms Duchenne muscular dystrophy
glucocorticoid
growth hormone
IGF
short stature
steroid
Title Recombinant human insulin‐like growth factor‐1 therapy for 6 months improves growth but not motor function in boys with Duchenne muscular dystrophy
URI https://onlinelibrary.wiley.com/doi/abs/10.1002%2Fmus.26846
https://www.ncbi.nlm.nih.gov/pubmed/32108355
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