Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UNIPROT:P01275 (glucagon)
 26,492 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The results of a double-blind trial of glucagon in 69 patients with acute pancreatitis are reported. In a subgroup of 59 patients statistical analysis showed no significant differences between the glucagon-treated (n = 29; 2 X 5 mg protamine-zinc glucagon intramuscularly per day) and the placebo-treated (n = 30) subjects for the following data: duration of pain left spontaneously and induced by palpation, amounts of analgesics and antispasmodics required by the patients, duration of hospital stay, amylase activities in serum and 24 hour urine collections. Mortality rates did not differ significantly between the glucagon-treated and the placebo-treated subjects in the total group of 69 patients and in the two subgroups of patients who were treated conservatively (n = 59) and those who underwent laparotomy because of severe peritonitis (n = 10). From the results of this study it is concluded that favourable effects of glucagon upon the course of acute pancreatitis--if they do exist--are not significant.
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PMID:Glucagon therapy in acute pancreatitis. Report of a double-blind trial. 34 59

The effects of Glucagon on 35 cholangiographic studies was examined. Relief of spasm at the choledochoduodenal sphincter resulted in consistently improved demonstration of this area. Diminished spasm-induced pain was also recorded. The use of intravenous Glucagon is recommended for cholangiographic studies where there is total biliary obstruction, or where there is unsatisfactory demonstration of the choledocho-duodenal area.
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PMID:Glucagon as a hypotonic agent in cholangiography. 42 23

Intravenous glucagon and diuresis caused by diagnostic doses of sodium diatrizoate were used to treat 5 patients with ureteral colic and urographic findings consistent with partial obstruction by a ureteral calculus. Pain was relieved and the calculus passed within two hours in 4 patients and within eight hours in the fifth. No complications were noted.
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PMID:Glucagon and diuresis in the treatment of ureteral calculi. 72 63

Experimentally, glucagon is an effective ureteral relaxant that induces a moderate diuresis. Our data suggest that in specified cases of ureteral colic, before the development of a ureteral bar, flaccid dilatation of the pelvis and renal shutdown, glucagon may facilitate the expulsion of small ureteral calculi. When the ureteral pain is due to hyperperistalsis the drug has promise in the alleviation of pain. The complexities of the pathophysiology of ureteral colic in an experimental model support the treatment of ureteral edema in colic with anti-inflammatory drugs but suggest certain precautions in the design of any investigation of drug therapy for colic, lest a good drug be found ineffective for the wrong reason-that it was used in an impossible situation.
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PMID:Glucagon, ureteral colic and ureteral peristalsis. 75 18

Personal experience with glucagon in 15 cases of acute pancreatitis is reported. Complete remission of pain within 2-3 hr after infusion of the drug was noted in 85% of the series, together with normalisation of blood amylase within 48-72 hr. Glucagon inhibits pancreatic secretio&n. Vairous theories concerning its mechanism of action are examined.
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PMID:[Use of glucagon in the treatment of acute pancreatitis]. 114 73

In a prospective clinical-experimental study, 15 patients with chronic pancreatitis operated consecutively due to severe pain were examined for the effects of a duodenum-preserving resection of the pancreas head on endocrine pancreas function. This was done by means of oral and intravenous glucose tolerance testing before the operation, on the 10th or 11th postoperative day, and three months after the operation. In addition to glucose levels in the peripheral venous blood, levels of insulin, C-peptide, glucagon, somatostatin, and pancreatic polypeptide were determined. As indicated by the k-value, glucose tolerance improved postoperatively in 11 patients; two patients showed no change, and one patient was worse. Only one patient developed evident diabetes mellitus immediately postoperatively. The pre- and postoperative levels of insulin and C-peptide showed no significant differences. The fasting levels of glucagon were significantly lower postoperatively than before the operation (2p less than 0.01). Duodenum-preserving pancreas head resection led to improvement of the glucose tolerance in the majority of patients; a deterioration was observed only in two cases.
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PMID:[The effect of duodenum-preserving pancreatic head resection on the endocrine pancreas function in patients with chronic head pancreatitis]. 134 82

Chronic pancreatitis is defined by a persistent destruction of the pancreatic parenchyma replaced by fibrosis. The lesions generally start in the exocrine gland, islets being attacked later in the fibrosis. The two most frequent forms are: 1. Chronic calcifying pancreatitis which is a pancreatic lithiasis responsible for more than 95% of chronic pancreatitis. In its most frequent form, calculi are built up of more than 98% calcium salts together with fibres of a degraded residue of lithostathine, a secretory protein. This disease is related (i) in most countries to alcohol, protein, fat and tobacco and (ii) in certain tropical countries to malnutrition (low-fat, low-protein diet) for some generations. A causative role for cassava and kwashiorkor is improbable. The mechanism of calcium precipitation is partly explained by the calcium-saturation of pancreatic juice and the decreased biosynthesis of lithostathine S, the secretory protein preventing crystallization. As a rule, diabetes (and steatorrhoea) appear after a clinical evolution characterized by recurrent attacks of upper abdominal pain, generally lasting some days with transiently increased concentrations of pancreatic enzymes in serum. When diabetes appears, pain frequently disappears. Complications are mostly observed in the first 10 years of clinical evolution. 2. Obstructive pancreatitis is due to an obstacle (tumours, scars) in the pancreatic duct. It is rarely a cause of diabetes. Diabetes due to chronic pancreatitis is characterized by the low incidence of ketosis and the high incidence of insulin-induced hypoglycaemia. Patients are generally thin. Serum insulin levels, either basal or stimulated, are decreased. Glucagon is less affected. Angiopathies and retinopathies are less frequent than in non-insulin-dependent diabetes. Neural complications are fairly frequent. The diagnosis is generally easy because diabetes appears at a late stage of the disease. The treatment generally requires insulin.
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PMID:Chronic pancreatitis and diabetes. 144 67

Side effects of octreotide may be local, biochemical, gastroenterological, or endocrinological. Local pain at the injection site occurs frequently, but rarely lasts more than 15 minutes and often resolves with continued therapy and may be improved if the vial is warmed prior to injection. No long-term hematological or biochemical abnormalities have been described. Despite initial diarrhea in some patients, no change in circulating fat-soluble vitamins has been consistently reported. Antibodies to octreotide have been described, but are rare. Abdominal pain or diarrhea can occur at the beginning of therapy. These symptoms rarely persist and are minimal if the injections are timed between meals, but this may increase the incidence of gallstones. Gallstones occur with increased frequency. Gastritis has been described as being an invariable consequence of long-term treatment with octreotide. We have found the incidence to be increased in patients on octreotide, but this is not invariable. Hypoglycemia may be exacerbated in some patients with insulinoma because of glucagon suppression. Small numbers of patients on octreotide for acromegaly have developed hypoglycemic. Conversely, carbohydrate tolerance may temporarily worsen because of insulin suppression and rarely oral hypoglycemia drug therapy may become necessary. Most frequently, carbohydrate tolerance does not deteriorate. In some patients with acromegaly, pituitary tumor size may continue to increase despite continued therapy. Last, there is the theoretical risk of addiction to a compound which may act through opiate receptors and considerably alleviates headache in some patients with pituitary tumor. Overall, despite the multiplicity of theoretical side effects, the majority of patients tolerate octreotide well, with no serious untoward effects.
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PMID:Proceedings of the discussion, "Tolerability and safety of Sandostatin". 151 39

Chronic pancreatitis is difficult to treat in patients with a nondilated duct. Patients experiencing intractable pain unresponsive to or judged untreatable by lesser procedures must decide between total pancreatectomy and resultant diabetes or a continuation of their pancreatitis. From 1977 through 1990, 26 patients underwent extensive pancreatectomy and dispersed pancreatic islet tissue autotransplantation for treatment of chronic pancreatitis pain and prophylaxis of surgical diabetes. Of these 26 patients, total (Whipple) or near-total (greater than 95%) pancreatectomy was performed in 24 patients. Of these 24 patients, pain relief could be assessed in 21 patients at 5 to 155 months (mean, 5.7 years), and 19 patients (90%) reported partial or complete remission. Of the patients who underwent total or near-total pancreatectomy, islets were injected intraportally in 22 patients and into the renal subcapsule in two patients. The latter two patients have required insulin since surgery. Of the other 22, one patient died from a complication of the pancreatectomy. Nine of the 21 evaluable recipients of intraportal islet autografts were insulin independent for at least several months after surgery. Five patients are currently insulin independent at 6 years, 4 years, 1.5 years, 9 months, and 5 months after surgery. Of the other four patients, one patient died insulin independent at 6 years, and three patients required insulin beginning 8 to 18 months after surgery. Insulin independence correlated with the number of islets recovered, which in turn correlated inversely with the degree of pancreatic fibrosis. Of our four most recent patients, three patients had mildly to moderately fibrotic glands, and higher numbers of islets were obtained. After total (Whipple) pancreatectomy, these three patients are insulin independent. A liver biopsy was performed in one patient 8 months after total pancreatectomy and islet autotransplantation; numerous clusters of islet cells staining strongly for insulin and glucagon were detected within portal triads on both wedge and needle biopsy specimens. Morbidity related to the intraportal-dispersed pancreatic islet tissue transplantation was low (no disseminated intravascular coagulation, significant portal hypertension, or hepatic dysfunction). Islet autotransplantation can be an effective and safe adjunct to extensive pancreatic resection for those patients who risk surgical diabetes for relief of their chronic pancreatitis pain.
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PMID:Autotransplantation of dispersed pancreatic islet tissue combined with total or near-total pancreatectomy for treatment of chronic pancreatitis. 185 51

A 31-year-old male patient with type Ia glycogen storage disease was admitted to our department complaining of general fatigue and right hypochondriac pain. He exhibited massive hepatomegaly with systemic hypoglycemia, lactic acidosis, hyperuricemia, hyperpyruvatemia and hyperlipemia. The failure of blood glucose levels to increase after a glucagon loading test, and a reduced lactate level on glucose tolerance test were also observed. Various imaging techniques suggested hepatic adenoma with hemorrhage in the tumor, which was confirmed histologically. There was a complete absence of glucose 6-phosphatase activity, as determined by an enzyme assay on resected liver specimens, which proved the case to be type Ia glycogen storage disease. We also reviewed all previously reported cases of hepatic tumor and glycogen storage diseases. We conclude that, since hepatic adenoma is not rare in this disease, and is complicated by hemorrhage, rupture and malignancy, careful follow-ups are necessary.
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PMID:A case of type Ia glycogen storage disease complicated by hepatic adenoma. 217 Feb 59


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