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More Favorable Metabolic Impact of Three-Times-Weekly versus Daily Growth Hormone Treatment in Naive GH-Deficient Children.

ABSTRACT: OBJECTIVE:To evaluate whether two different regimens of weekly injections could lead to similar auxological and metabolic effects in children with growth hormone deficiency (GHD). DESIGN:32 GHD children (25 males, mean age 10.5 ± 2.2?yr) were randomly assigned to receive daily (group A, 16 patients) or TIW (group B, 16 patients) GHT for 12 months. METHODS:Auxological parameters, insulin-like growth factor-I (IGF-I), glucose and insulin during OGTT, glycosylated hemoglobin (HbA1c), lipid profile, the oral disposition index (DIo), the homeostasis model assessment estimate of insulin resistance (Homa-IR), and the insulin sensitivity index (ISI). RESULTS:After 12 months, both groups showed a significant and comparable improvement in height (p < 0.001) and IGF-I (p < 0.001). As regards the metabolic parameters, in both groups, we found a significant increase in fasting insulin (p < 0.001 and p = 0.026) and Homa-IR (p < 0.001 and p = 0.019). A significant increase in fasting glucose (p = 0.001) and a decrease in ISI (p < 0.001) and DIo (p = 0.002) were only found in group A. CONCLUSIONS:The TIW regimen is effective and comparable with the daily regimen in improving auxological parameters and has a more favorable metabolic impact in GHD children. This trial is registered with ClinicalTrials.gov NCT03033121.

SUBMITTER: Ciresi A

PROVIDER: S-EPMC5467351 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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More Favorable Metabolic Impact of Three-Times-Weekly versus Daily Growth Hormone Treatment in Naïve GH-Deficient Children.

Ciresi Alessandro A Cicciò Floriana F Radellini Stefano S Guarnotta Valentina V Calcaterra Anna Maria AM Giordano Carla C

International journal of endocrinology 20170528

<h4>Objective</h4>To evaluate whether two different regimens of weekly injections could lead to similar auxological and metabolic effects in children with growth hormone deficiency (GHD).<h4>Design</h4>32 GHD children (25 males, mean age 10.5 ± 2.2 yr) were randomly assigned to receive daily (group A, 16 patients) or TIW (group B, 16 patients) GHT for 12 months.<h4>Methods</h4>Auxological parameters, insulin-like growth factor-I (IGF-I), glucose and insulin during OGTT, glycosylated hemoglobin ( ...[more]

PMID: 28634491

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Project description:Daily growth hormone (GH) injections can be burdensome for patients and carers. Somapacitan is a long-acting, reversible albumin-binding GH derivative in development for once-weekly administration in patients with growth hormone deficiency (GHD). The objective of this study is to evaluate the efficacy, safety, and tolerability of once-weekly somapacitan vs once-daily GH. REAL 3 is a multicenter, randomized, controlled, double-blind (somapacitan doses), phase 2 study with a 26-week main and 26-week extension phase (NCT02616562). This study took place at 29 sites in 11 countries. Fifty-nine GH treatment-naive prepubertal children with GHD were randomly assigned; 58 completed the trial. Interventions comprised 3 somapacitan doses (0.04 [n = 16], 0.08 [n = 15], or 0.16 mg/kg/wk [n = 14]) and daily GH (0.034 mg/kg/d [n = 14]), administered subcutaneously. The primary end point was height velocity (HV) at week 26. Secondary efficacy end points included HV SD score (SDS) and insulin-like growth factor-I (IGF-I) SDS. At week 26, mean (SD) annualized HV for the somapacitan groups was 8.0 (2.0), 10.9 (1.9), and 12.9 (3.5) cm/year, respectively, vs 11.4 (3.3) cm/year for daily GH; estimated treatment difference (somapacitan 0.16 mg/kg/week-daily GH): 1.7 [95% CI -0.2 to 3.6] cm/year. HV was sustained at week 52, and significantly greater with somapacitan 0.16 mg/kg/week vs daily GH. Mean (SD) change from baseline in HV SDS at week 52 was 4.72 (2.79), 6.14 (3.36), and 8.60 (3.15) for the somapacitan groups, respectively, vs 7.41 (4.08) for daily GH. Model-derived mean (SD) IGF-I SDS for the somapacitan groups was -1.62 (0.86), -1.09 (0.78), and 0.31 (1.06), respectively, vs -0.40 (1.50) observed for daily GH. Safety and tolerability were consistent with the profile of daily GH. In children with GHD, once-weekly somapacitan 0.16 mg/kg/week provided the closest efficacy match with similar safety and tolerability to daily GH after 26 and 52 weeks of treatment. A short visual summary of our work is available (1).

Project description:ImportanceMarket exclusivity for daily injections of glatiramer acetate, a disease-modifying therapy for multiple sclerosis, expired in 2015. In 2014, the manufacturer launched an alternate 3-times-weekly version that was widely adopted, sustaining market dominance of brand-name glatiramer until late 2017.ObjectiveTo estimate excess US spending associated with the transition from daily to 3-times-weekly glatiramer.Design, setting, and participantsThis economic evaluation estimated total US glatiramer spending from January 1, 2011, to June 30, 2019, using a national cohort from 3 data sources that collectively represent approximately 40% of the US glatiramer market: Medicare Part D, Medicaid, and a claims database of commercially insured and Medicare Advantage patients.ExposuresCalendar quarter.Main outcomes and measuresOutcomes were quarterly US glatiramer spending, estimated as price × use. Manufacturer list prices for generic products and estimates of net (postrebate) prices for brand-name products were used. Linear regression and interrupted time series models were used to compare spending trends in 3 periods: before generic competition (2011-2015), during generic competition for daily glatiramer (2015-2017), and during generic competition for daily and 3-times-weekly glatiramer (2017-2019).ResultsFrom 2011 to 2015, US glatiramer spending increased to $962 million per quarter and did not decrease with generic competition of only daily glatiramer (2015-2017). After generic competition began for 3-times-weekly glatiramer in 2017, prices decreased by 47% to 64%, and spending decreased to $508 million per quarter in 2019 (P < .001 for slope). The delay in decreased spending from 2015 to 2017 was associated with excess spending of $4.3 billion to $6.5 billion.Conclusions and relevanceThese findings suggest that 2.5 years of delayed generic competition related to introduction of a new version of branded glatiramer acetate was associated with $4.3 billion to $6.5 billion in excess spending. Extended market exclusivity from introducing a new version of an existing brand-name drug can yield manufacturer returns out of proportion to the level of investment or risk involved; more limited incentives could encourage incremental innovations to existing drugs at a lower societal cost.

Project description:Abstract Somapacitan is a long-acting, reversible albumin-binding human growth hormone (GH) derivative based on a proven protraction technology. The objective of this trial was to evaluate the safety, efficacy and treatment satisfaction of once-weekly somapacitan compared with daily GH (Norditropin®) over 52 weeks in Japanese patients with adult GH deficiency (AGHD). This was a phase 3, multicenter, randomized, open-label, parallel-group, active-controlled trial (NCT03075644). Patients previously treated with human GH were randomized 1:3 to either daily GH or somapacitan, respectively, to undergo 20 weeks of dose titration and 32 weeks of fixed-dose treatment. The primary endpoint was the incidence of adverse events (AEs) from baseline to week 53. Secondary endpoints included change from baseline in visceral, subcutaneous and total adipose tissue (VAT, SAT and TAT, respectively) assessed with computerized tomography scans; change from baseline in treatment satisfaction evaluated using Treatment Satisfaction Questionnaire for Medication (TSQM-9) scores; and occurrence of anti-somapacitan antibodies. In total, 62 patients were randomized (16 to the daily GH and 46 to the somapacitan treatment arm), of which 60 completed the trial. Baseline characteristics for daily GH vs somapacitan groups, respectively, were: 43.8% vs 47.8% female, 87.5% vs 80.4% adult-onset GH deficiency, mean (SD) age 49.3 (11.5) vs 54.1 (12.1) years, weight 67.9 (12.0) vs 69.4 (22.7) kg, body mass index 24.8 (3.7) vs 26.4 (6.7) kg/m2, and GH dose at screening 0.29 (0.14) vs 0.31 (0.17) mg. Rate of AEs per 100 patient-years was similar between treatment arms (309.8 for daily GH, 312.7 for once-weekly somapacitan); most AEs were mild (97.9% and 93.1%, respectively) and none were severe. Four AEs in the somapacitan arm were serious; all were considered unlikely related to treatment. No anti-somapacitan antibodies were detected during treatment. Mean insulin-like growth factor-I standard deviation score (IGF-I SDS) at baseline was maintained with both treatments. The majority of the patients had IGF-I SDS values below +2. No significant differences in VAT, SAT and TAT were seen in both treatment groups after 52 weeks (estimated difference, somapacitan – daily GH [95% CI]): –1.74 [–18.13; 14.66], –11.53 [–35.54; 12.48], and –12.85 [–47.31; 21.62] cm2, respectively. TSQM-9 scores were not significantly different between treatments, but showed a tendency in favor of somapacitan (estimated difference [95% CI]): 4.87 [–3.46; 13.20] for effectiveness, 6.79 [–1.04; 14.61] for convenience, and 6.88 [–1.08; 14.85] for overall satisfaction. No new safety concerns were identified. Improvements in body composition were similar in the GH and somapacitan cohorts. The safety and tolerability of somapacitan in Japanese patients with AGHD were consistent with results from the global phase 3 trial (REAL 1).

Project description:ContextNNC0195-0092 is a reversible, albumin-binding GH derivative, developed for once-weekly administration.ObjectivesThe objective of the study was to evaluate safety, local tolerability, pharmacodynamics, and pharmacokinetics of multiple, once-weekly doses of NNC0195-0092, compared with daily GH.Design and settingThis was a phase 1, randomized, open-label, active-controlled, multiple-dose, dose-escalation trial.PatientsThirty-four GH-treated adult subjects (male, n = 25) with GH deficiency participated in the study.Interventions and main outcome measuresSubjects were sequentially assigned into four cohorts of eight subjects, randomized within each cohort (3:1) to once-weekly NNC0195-0092 (n = 6) for 4 weeks (0.02, 0.04, 0.08, and 0.12 mg/kg) or daily injections of Norditropin NordiFlex (n = 2) for 4 weeks with a dose replicating the pretrial dose of somatropin. A safety assessment was performed prior to initiating treatment at the next dose level of NNC0195-0092. Daily GH treatment was discontinued 14 days before the trial start. Blood samples were drawn for assessment of safety, pharmacokinetics, pharmacodynamics (IGF-1 and IGF-binding protein-3) profiles, and immunogenicity studies.ResultsNumbers of adverse events were similar at the dose levels of 0.02, 0.04, and 0.08 mg/kg NNC0195-0092 vs daily injections of Norditropin NordiFlex, whereas the number of adverse events was greater at the highest dose level of NNC0195-0092 (0.12 mg/kg). NNC0195-0092 (area under the curve[0-168h]) and peak plasma concentration) increased in a dose-dependent manner, and a dose-dependent increase in IGF-1 levels was observed. IGF-1 profiles were elevated for at least 1 week, and for the 0.02-mg/kg and 0.04-mg/kg NNC0195-0092 doses, the observed IGF-1 levels were similar to the levels for the active control group.ConclusionFour once-weekly doses of NNC0195-0092 (dose range 0.02-0.12 mg/kg) administered to adult patients with GH deficiency were well tolerated, and IGF-1 profiles were consistent with a once-weekly treatment profile. No clinically significant safety and tolerability signals causally related to NNC0195-0092 were identified, nor were any immunogenicity concerns revealed.

Dataset Information

More Favorable Metabolic Impact of Three-Times-Weekly versus Daily Growth Hormone Treatment in Naive GH-Deficient Children.

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More Favorable Metabolic Impact of Three-Times-Weekly versus Daily Growth Hormone Treatment in Naïve GH-Deficient Children.

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