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Hyperglycemia induced by pasireotide in patients with Cushing's disease or acromegaly.

ABSTRACT: Cushing's disease (CD) and acromegaly are characterized by excessive hormone secretion resulting in comorbidities such as impaired glucose metabolism, diabetes and hypertension. Pasireotide is a new-generation, multireceptor-targeted somatostatin receptor ligand approved for CD (subcutaneous [SC] injection formulation) and acromegaly (long-acting release [LAR] formulation). In clinical studies of pasireotide, hyperglycemia-related adverse events (AEs) were frequently observed. This review highlights differences in reported rates of hyperglycemia in pasireotide trials and discusses risk factors for and management of pasireotide-associated hyperglycemia.Clinical trials evaluating pasireotide in patients with CD or acromegaly were reviewed.The frequency of hyperglycemia-related AEs was lower in patients with acromegaly treated with pasireotide LAR (57.3-67.0 %) than in patients with CD treated with pasireotide SC (68.4-73.0 %). Fewer patients with acromegaly treated with pasireotide LAR discontinued therapy because of hyperglycemia-related AEs (Colao et al. in J Clin Endocrinol Metab 99(3):791-799, 2014, 3.4 %; Gadelha et al. in Lancet Diabetes Endocrinol 2(11):875-884, 2014, 4.0 %) than did patients with CD treated with pasireotide SC (Boscaro et al. in Pituitary 17(4):320-326, 2014, 5.3 %; Colao et al. in N Engl J Med 366(10):914-924, 2012, 6.0 %). Hyperglycemia-related AEs occurred in 40.0 % of patients with acromegaly treated with pasireotide SC, and 10.0 % discontinued treatment because of hyperglycemia. Ongoing studies evaluating pasireotide LAR in patients with CD and management of pasireotide-induced hyperglycemia in patients with CD or acromegaly (ClinicalTrials.gov identifiers NCT01374906 and NCT02060383, respectively) will address these key safety issues.Disease pathophysiology, drug formulation, and physician experience potentially influence the differences in reported rates of pasireotide-induced hyperglycemia in CD and acromegaly. Hyperglycemic effects associated with pasireotide have a predictable pattern, can be managed with antidiabetic agents, and are reversible upon discontinuation.

SUBMITTER: Silverstein JM

PROVIDER: S-EPMC4996868 | biostudies-literature | 2016 Oct

REPOSITORIES: biostudies-literature

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Hyperglycemia induced by pasireotide in patients with Cushing's disease or acromegaly.

Silverstein Julie M JM

Pituitary 20161001 5

<h4>Purpose</h4>Cushing's disease (CD) and acromegaly are characterized by excessive hormone secretion resulting in comorbidities such as impaired glucose metabolism, diabetes and hypertension. Pasireotide is a new-generation, multireceptor-targeted somatostatin receptor ligand approved for CD (subcutaneous [SC] injection formulation) and acromegaly (long-acting release [LAR] formulation). In clinical studies of pasireotide, hyperglycemia-related adverse events (AEs) were frequently observed. Th ...[more]

PMID: 27405306

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Project description:ContextBiochemical control reduces morbidity and increases life expectancy in patients with acromegaly. With current medical therapies, including the gold standard octreotide long-acting-release (LAR), many patients do not achieve biochemical control.ObjectiveOur objective was to demonstrate the superiority of pasireotide LAR over octreotide LAR in medically naive patients with acromegaly.Design and settingWe conducted a prospective, randomized, double-blind study at 84 sites in 27 countries.PatientsA total of 358 patients with medically naive acromegaly (GH >5 μg/L or GH nadir ≥1 μg/L after an oral glucose tolerance test (OGTT) and IGF-1 above the upper limit of normal) were enrolled. Patients either had previous pituitary surgery but no medical treatment or were de novo with a visible pituitary adenoma on magnetic resonance imaging.InterventionsPatients received pasireotide LAR 40 mg/28 days (n = 176) or octreotide LAR 20 mg/28 days (n = 182) for 12 months. At months 3 and 7, titration to pasireotide LAR 60 mg or octreotide LAR 30 mg was permitted, but not mandatory, if GH ≥2.5μg/L and/or IGF-1 was above the upper limit of normal.Main outcome measureThe main outcome measure was the proportion of patients in each treatment arm with biochemical control (GH <2.5 μg/L and normal IGF-1) at month 12.ResultsBiochemical control was achieved by significantly more pasireotide LAR patients than octreotide LAR patients (31.3% vs 19.2%; P = .007; 35.8% vs 20.9% when including patients with IGF-1 below the lower normal limit). In pasireotide LAR and octreotide LAR patients, respectively, 38.6% and 23.6% (P = .002) achieved normal IGF-1, and 48.3% and 51.6% achieved GH <2.5 μg/L. 31.0% of pasireotide LAR and 22.2% of octreotide LAR patients who did not achieve biochemical control did not receive the recommended dose increase. Hyperglycemia-related adverse events were more common with pasireotide LAR (57.3% vs 21.7%).ConclusionsPasireotide LAR demonstrated superior efficacy over octreotide LAR and is a viable new treatment option for acromegaly.

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Hyperglycemia induced by pasireotide in patients with Cushing's disease or acromegaly.

Publications

Hyperglycemia induced by pasireotide in patients with Cushing's disease or acromegaly.

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