In the era of personalized medicine treatment of acromegaly requires the individual selection of optimal treatment based on the measured parameters. Following the standard algorithm for the management of patients with acromegaly with the choice of neurosurgical treatment as the main and somatostatin analogues as the first line of drug therapy with ineffective surgery prevents the achievement of remission in patients resistant to these types of therapy. The introduction of predictive biomarkers in clinical practice will allow to achieve remission of the disease faster and reduce the financial costs of ineffective treatments. We collected information of possible predictive biomarkers in acromegaly from literature. This review presents data from studies of potential predictive biomarkers in different treatments of acromegaly. According to the analysis of publications, the greatest number of results is devoted to the prediction resistance to somatostatin analogues. Reliable biomarkers predicting the inefficiency of somatostatin analogues include low immunoexpression of somatostatin receptors type 2 and AIP protein, rarely granular type of pituitary adenoma and hyperintensive signal on T2-weighted images in magnetic resonance imaging of the pituitary gland. At the same time, the search for predictors of the effectiveness of pegvisomant is focused on the study of the receptor of growth hormone and opens up new opportunities for pharmacogenomic research. Thus, it is necessary to expand the search of predictive biomarkers for different methods of acromegalys treatment. It is especially important to identify biomarkers that do not require mandatory removal of the tumor. Of great interest is the study of epigenetic biomarkers, in particular miRNAs, which carry out post-transcriptional regulation of gene expression. The study of circulating blood microRNAs in acromegaly opens up prospects for the introduction of a personalized approach in the treatment of this disease.
The main autoimmune thyroid diseases are Hashimoto's thyroiditis (HT) and Graves' disease (GD). Despite the significant differences in a pathogenesis and a clinical picture between HT and GD, the literature describes the cases of the conversion of one autoimmune disease to another, which, according to one version, is associated with a change in the balance between the levels of a stimulating and blocking antibodies to the thyroid-stimulating hormone receptor. At the same time, there are more frequent observations of the transition of GD to HT, and much less often describe, on the contrary, the development of GD against the background of HT. The article presents a clinical case of the conversion of HT to GD. A detailed algorithm of the conservative management according to the «block-replace» scheme is described, indicating the results of laboratory and instrumental examination. At the time of describing the clinical case, the result of the treatment can be considered successful. The predictors such as a low level of the thyroid-stimulating hormone receptor and thyroid volume before discontinuation of the thyrostatic therapy suggest a low risk of the recrudescence of GD.According to the authors, the phenomenon of the conversion of one autoimmune thyroid disease to another, in addition to the scientific interest, is important for the practitioners, since a timely change in the diagnostic paradigm can significantly change the treatment strategy and the favorably affect the prognosis of disease, preventing the development of complications.
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