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Safety and effectiveness of a somatropin biosimilar in children requiring growth hormone treatment: second analysis of the PATRO Children study Italian cohort.

生长激素生物类似物在需要生长激素治疗的儿童中的安全性和有效性: PATRO 儿童研究意大利队列的第二次分析。

  • 影响因子:2.82
  • DOI:10.1007/s40618-020-01331-4
  • 作者列表:"Iughetti L","Antoniazzi F","Giavoli C","Bona G","Aversa T","Greggio NA","Guazzarotti L","Minelli R","Perrone L","Persani L","Pozzobon G","Ragusa L","Stagi S","Tornese G","Zecchino C","Gallinari P","Zouater H","Fedeli P","Zucchini S
  • 发表时间:2020-06-15
Abstract

PURPOSE:To investigate the long-term safety (primary endpoint) and effectiveness (secondary endpoint) of the somatropin biosimilar Omnitrope®. METHODS:PATRO Children is an ongoing, multicenter, observational, post-marketing surveillance study. Children who received Omnitrope® for any indication were included. Adverse events (AEs) were evaluated in all study participants. Auxological data, including height standard deviation scores (HSDS) and height velocity standard deviation scores (HVSDS), were used to assess effectiveness. In this snapshot analysis, data from the Italian subpopulation up to August 2017 were reported. RESULTS:A total of 291 patients (mean age 10.0 years, 56.0% male) were enrolled at 19 sites in Italy. The mean duration of Omnitrope® treatment was 33.1 ± 21.7 months. There were 48 AEs with a suspected relationship to the study drug (as reported by the investigator) that occurred in 35 (12.0%) patients, most commonly headache, pyrexia, arthralgia, insulin-like growth factor above normal range, abdominal pain, pain in extremity and acute gastroenteritis. There were no confirmed cases of type 1 or type 2 diabetes; however, two patients (0.7%) had impaired glucose tolerance that was considered Omnitrope® related. The mean HSDS increased from - 2.41 ± 0.73 at baseline (n = 238) to - 0.91 ± 0.68 at 6.5 years (n = 10). The mean HVSDS increased from - 1.77 ± 1.38 at baseline (n = 136) to 0.96 ± 1.13 at 6.5 years (n = 10). CONCLUSIONS:In this sub-analysis of PATRO Children, Omnitrope® appeared to have acceptable safety and effectiveness in the treatment of in Italian children, which was consistent with the earlier findings from controlled clinical trials.

摘要

目的: 研究生长激素生物类似物 Omnitrope 的长期安全性 (主要终点) 和有效性 (次要终点)®。 方法: PATRO 儿童是一项正在进行的,多中心,观察性,上市后监测研究。收到 Omnitrope 的儿童®对于任何适应症均包括在内。在所有研究参与者中评价了不良事件 (AEs)。使用生长学数据,包括身高标准差评分 (HSDS) 和身高速度标准差评分 (HVSDS),评估有效性。在此快照分析中,报告了截至 2017 年 8 月的意大利亚群数据。 结果: 在意大利 19 个地点共入组了 291 例患者 (平均年龄 10.0 岁,56.0% 为男性)。Omnitrope 的平均持续时间®治疗 33.1 ± 21.7 个月。在 35 例 (12.0%) 患者中发生了 48 例怀疑与研究药物相关的 ae (研究者报告),最常见的是头痛、发热关节痛,胰岛素样生长因子高于正常范围,腹痛,四肢疼痛和急性胃肠炎。没有 1 型或 2 型糖尿病的确诊病例; 然而,2 例患者 (0.7%) 糖耐量受损被认为是 Omnitrope®相关的。平均 HSDS 从基线时的-2.41 ± 0.73 (n = 238) 增加到 0.91 年时的-0.68 ± 6.5 (n = 10)。平均 HVSDS 从基线时的-1.77 ± 1.38 (n = 136) 增加到 0.96 年时的 1.13 ± 6.5 (n = 10)。 结论: 在 PATRO 儿童的子分析中,Omnitrope®在意大利儿童治疗中似乎具有可接受的安全性和有效性,这与早期对照临床试验的结果一致。

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发表时间:2020-01-02
来源期刊:Pituitary
DOI:10.1007/s11102-019-01023-0
作者列表:["Galm, Brandon P.","Buckless, Colleen","Swearingen, Brooke","Torriani, Martin","Klibanski, Anne","Bredella, Miriam A.","Tritos, Nicholas A."]

METHODS:Purpose Given the paucity of reliable predictors of tumor recurrence, progression, or response to somatostatin receptor ligand (SRL) therapy in acromegaly, we attempted to determine whether preoperative MR image texture was predictive of these clinical outcomes. We also determined whether image texture could differentiate somatotroph adenomas from non-functioning pituitary adenomas (NFPAs). Methods We performed a retrospective study of patients with acromegaly due to a macroadenoma who underwent transsphenoidal surgery at our institution between 2007 and 2015. Clinical data were extracted from electronic medical records. MRI texture analysis was performed on preoperative non-enhanced T1-weighted images using ImageJ (NIH). Logistic and Cox models were used to determine if image texture parameters predicted outcomes. Results Eighty-nine patients had texture parameters measured, which were compared to that of NFPAs, while 64 of these patients had follow-up and were included in the remainder of analyses. Minimum pixel intensity, skewness, and kurtosis were significantly different in somatotroph adenomas versus NFPAs (area under the receiver operating characteristic curve, 0.7771, for kurtosis). Furthermore, those with a maximum pixel intensity above the median had an increased odds of IGF-I normalization on SRL therapy (OR 5.96, 95% CI 1.33–26.66), which persisted after adjusting for several potential predictors of response. Image texture did not predict tumor recurrence or progression. Conclusion Our data suggest that MRI texture analysis can distinguish NFPAs from somatotroph macroadenomas with good diagnostic accuracy and can predict normalization of IGF-I with SRL therapy.

关键词: 暂无
翻译标题与摘要 下载文献
影响因子:4.48
发表时间:2020-01-01
DOI:10.1016/j.trsl.2019.07.013
作者列表:["Xiong Y","Tang Y","Fan F","Zeng Y","Li C","Zhou G","Hu Z","Zhang L","Liu Z"]

METHODS::Growth hormone-secreting pituitary adenoma (GHPA), a benign endocrine tumor located in the base of the skull, results in acromegaly. In addition to the mass effect of the tumor itself in the sellar region, GHPA can lead to the overgrowth of almost every organ. Previous findings indicated that the processes underlying acromegaly were partly attributable to hyperactivity of the growth hormone/insulin-like growth factor-1 (GH/IGF-1) axis. However, the mechanisms driving this syndrome remains largely unknown. Additionally, the roles of GHPA-derived exosomes, which contain functional microRNAs and proteins that manipulate target cell proliferation and differentiation in distal extremities, are also unknown. In this study, we demonstrated that GHPA exosomes promote bone formation in vitro and trabecula number in vivo. The mechanism of increased trabecula formation may be attributable to GHPA exosome-induced osteoblast proliferation via increased cell viability and DNA replication. We further discovered that exosomal hsa-miR-21-5p plays a distinct role from the GH/IGF-1 axis in these processes. Accordingly, the results of this study provide a novel mechanism whereby GHPA influences distal extremities and a new perspective for treating GHPA.

关键词: 暂无
翻译标题与摘要 下载文献
影响因子:5.19
发表时间:2020-01-01
DOI:10.1210/clinem/dgz033
作者列表:["Arlien-Søborg MC","Grøndahl C","Bæk A","Dal J","Madsen M","Høgild ML","Pedersen SB","Bjerre M","Jørgensen JOL"]

METHODS:BACKGROUND:Fibroblast growth factor 21 (FGF21) is a circulating hormone with pleiotropic metabolic effects, which is inactivated by fibroblast activation protein (FAP). Data regarding interaction between FGF21, FAP, and growth hormone (GH) are limited, but it is noteworthy that collagens are also FAP substrates, since GH potently stimulates collagen turnover. AIM:To measure circulating FGF21 components, including FAP, in patients with acromegaly before and after disease control. METHODS:Eighteen patients with active acromegaly were studied at the time of diagnosis and ≥ 6 months after disease control by either surgery or medical treatment. Serum levels of total and active FGF21, β-klotho, FAP, and collagen turnover markers were measured by immunoassays. Expression of putative FGF21-dependent genes were measured in adipose tissue by reverse transcriptase-polymerase chain reaction, body composition assessed by dual-energy x-ray absorptiometry scan, and insulin sensitivity estimated with homeostatic model assessment of insulin resistance (HOMA-IR). RESULTS:Total FGF21, active FGF21 and β-klotho remained unchanged. Insulin sensitivity and body fat mass increased after disease control but neither correlated with active FGF21. Expression of FGF21-dependent genes did not change after treatment. FAP levels (µg/L) were markedly reduced after treatment [105.6 ± 29.4 vs 62.2 ± 32.4, P < 0.000]. Collagen turnover markers also declined significantly after treatment and ΔFAP correlated positively with ΔProcollagen Type I (P < 0.000) and Type III (P < 0.000). CONCLUSION:1) Circulating FGF21 and β-klotho do not change in response to acromegaly treatment, 2) FAP concentrations in serum decrease after disease control and correlate positively with collagen turnover markers, and 3) FAP is a hitherto unrecognized GH target linked to collagen turnover. CLINICAL TRIALS REGISTRATION:NCT00647179.

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