In clinical research II and Phase III Signignor ® received 201 patients with illness of Itenko-Cushing. Behind except for cases of development hypokorticism and a more severe degree hyperglycemia, safety profile Signifor significantly differs from other analogues somatostatin.
Most adverse events (AEs) 3 and 4 severity levels were associated with hyperglycaemia. The most frequent AEs (frequency> 10%) were diarrhea, nausea, pain in the abdomen, cholelithiasis, hyperglycemia, diabetes mellitus, fatigue and increase in concentration glycosylated hemoglobin (HbAlc).
Lethal outcomes during the study were not It was.
Frequency of development of undesirable phenomena was estimated as follows:
arising "very often" (> 1/10), "often" (> 1/100; <1/10), "infrequently" (> 1/1000; <1/100), "rarely" (> 1/10000; <1/1000), "very rarely" (<1/10000).
Violations from the blood and lymphatic system: infrequently, anemia.
Disorders from the endocrine system: often adrenal failure.
Disorders from the metabolism and nutrition: very often hyperglycemia, diabetes mellitus; often - type 2 diabetes, a decrease in appetite.
Heart Disease: often - sinus bradycardia, lengthening interval QT.
Vascular disorders: often - arterial hypotension.
Impaired nervous system: often a headache.
Disorders from the digestive system system: very often - diarrhea, pain in the abdomen, nausea; often - vomiting, pain in upper abdomen.
Disorders from the liver and bile ducts: Often - cholelithiasis.
Disturbances from the skin and subcutaneous fabrics: often - alopecia, itching.
Disturbances from the musculoskeletal and connective tissue: often - myalgia, arthralgia.
General disorders and disorders in place introduction: very often - reaction in place introduction, fatigue.
Laboratory and instrumental data: very often - increase HbAlc; often - an increase in the concentration of glucose in blood, increased lipase activity, amylase, gamma-glutamyltransferase, alanine aminotransferase (ALT), increased prothrombin time.
Description of individual undesirable phenomena
Disturbance of glucose metabolism
In the Phase III study in patients with Isenko-Cushing's disease increase glucose concentrations plasma blood was most frequent laboratory violation of grade 3 (23.2% of patients). Have patients with normoglycemia at the time of the average index HbAlc increased by less degree than in patients with impaired tolerance to glucose or sugar diabetes.
During the first month of treatment, the mean indicators concentrations glucose plasma of fasting blood usually increased, and in the following months declined and stabilized. Within 28 days after abolition of pacyreotide indicators concentrations plasma glucose blood fasting and HbAlc, as a rule, decreased, but remained above the original values.
Long-term follow-up are absent. In the course of clinical research for development reasons hyperglycemia drug was abolished in 3.1% of patients, due to development of diabetes mellitus - in 2,5%.
Disorders from the gastro-intestinal tract
As in the case of other analogs somatostatin, against the background of pasireiformes were often noted in the gastro-intestinal disorders. Usually similar phenomena were characterized by a low degree did not require intervention and were resolved against the backdrop of continuing treatment.
Reactions at the site of administration
In clinical trials, 13.6% patients had reactions in place Signifor®, among them: pain at the injection site, erythema, hematoma, bleeding and itching. These phenomena were resolved spontaneously and did not require intervention.
Activity of liver enzymes Against the background of the use of pasyreotide, as well as against the background of the use of other somatostatin analogs, there was a transient increase in the activity of liver enzymes. In most cases, these phenomena were not accompanied by clinical symptoms, characterized by a low degree of severity and resolved, despite the continuation of treatment. Several cases of increased ALT activity (3 times higher than the upper limit of the norm) and bilirubin (2 times higher than the upper limit of the norm), which occurred within the first 10 days after the start of the Signphor drug, were resolved and the treatment was discontinued. There were no cases of drug-induced hepatitis.
Activity of pancreatic enzymes
In clinical studies on the background of pasireotide, there was an increase in lipase and amylase activity, not accompanied by clinical symptoms. These phenomena were characterized by a low degree and were resolved against the background of continuation of treatment. Nevertheless, the development of pancreatitis should be considered a possible adverse reaction of somatostatin analogues, since cholelithiasis can be associated with the development of acute pancreatitis.