While current treatment modalities have greatly improved prognoses for most patients, a significant number present clinical symptoms of acromegaly with elevated levels of IGF-1 in the absence of increased GH levels, a phenomenon known as micromegaly.
A univariate analysis was conducted and eight features, including age, hypertension, ophthalmic disorders, GH, IGF-1, nadir GH, maximal tumor diameter, and Knosp grade, were significantly associated with the TSS response in patients with acromegaly.
The mean age of the 30 acromegaly patients (M/F:14/16) was 47.26 ± 12.52 years (range: 18-64 years) and that of the healthy volunteers (M/F: 17/13) was 44.56 ± 10.74 years (range: 19-62 years).Insulin-like growth factor-1 (IGF-1) and growth hormone (GH) levels were measured using an electrochemiluminescence method, and serum sclerostin levels using an enzyme-linked immunosorbent assay.The Mann-Whitney U test was used to compare sclerostin levels between the two groups.
One hundred acromegaly patients on medical therapy (mean age = 47.1 years; SD = 11.96) completed an online preference study evaluating hypothetical patient profiles described in terms of insulin-like growth factor-I (IGF-I) levels, tumor size, comorbid conditions, signs/symptoms, and quality of life (QoL).
Background Biochemical control of GH/IGF-I excess in acromegaly (ACRO) is associated with persistent impairment of trabecular microstructure leading to increased risk of vertebral fractures.
Therefore, routine screening of GD should be considered in women with acromegaly, particularly in those with risk factors for GD and with uncontrolled IGF-1 levels before pregnancy.
Incidence of mortality, its correlation with GH (cumulative exposure vs last value), and IGF-I levels and the shift in the main cause of mortality in patients with acromegaly are also addressed.
Suppressor of cytokine signaling (SOCS) 2, a negative regulator of growth hormone (GH) and insulin-like growth factor 1 (IGF-1), which is associated with acromegaly and cancers, is a promising candidate molecule for treating various diseases.
Between PTC group without acromegaly and APTC, galectin 3 and IGF1 expression was significantly higher in acromegalic patients (p<0.01 for all) while RAS was predominantly higher in PTC patients without acromegaly (p<0.01).
The participants of the study were divided into 3 groups as the control (Group-I), acromegaly patients with remission (Group-II), and acromegaly patients without remission (Group-III).Insulin growth factor-1 (IGF-1) level significantly increased from Group-I to Group-III.
Treatments used to normalize IGF-I levels in patients with acromegaly could have differential effects on cardiovascular risk factors and metabolic parameters.
Acromegaly is a rare disease resulting from hypersecretion of growth hormone (GH) and insulin-like growth factor 1 (IGF1) typically caused by pituitary adenomas, which is associated with increased mortality and morbidity.
The GH-receptor antagonist pegvisomant (PEG) reduces peripheral IGF-1 synthesis and is used to treat acromegaly patients resistant or intolerant to somatostatin analogues (SSA).
We studied 23 patients with active acromegaly before and for ≤2 years after surgical (n = 13) or GH receptor antagonist therapy with pegvisomant (n = 10), and 100 healthy subjects with morning fasting blood samples for AgRP, leptin, GH, and IGF-1 and anthropometric measurements.
We measured serum levels of GH, IGF-1, sDlk1 and sKlotho (both by ELISA) in 42 treatment-naïve acromegaly patients (20 females/22 males) before and 1-3 months after transsphenoidal surgery.
Recent studies have shown that increased life expectancy in acromegaly patients who attain normal GH and IGF-I levels is associated with more deaths due to age-related cancers.
In conclusion, the pathophysiology of endothelial dysfunction in the condition of GH and IGF-1 excess remains a crucial area of investigation to fully dissect the association of acromegaly with cardiovascular disease complications.