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Salmon calcitonin given by nasal spray or by injection does not increase beta-endorphin levels in normal men. 1990

P P Vescovi, and M Pedrazzoni, and G Gerra, and L Maninetti, and M Michelini, and G Pioli, and M Passeri
Istituto di Clinica Medica Generale e Terapia Medica, Università degli Studi di Parma, Italy.

It has been suggested that the analgesic action of calcitonin (CT) might involve a stimulation of beta-endorphin (beta-EP) release. To verify whether salmon CT modifies the circulating levels of beta-EP, and whether the route of administration plays any role in this response, we have studied 10 healthy male volunteers, aged 30-40 yr. Each of them was studied on 4 different days, after administration of placebo or salmon CT (100 UI) by the intravenous, intramuscular and nasal route, in random order. Ionized calcium tended to decrease, especially after intravenous CT, but there was no change in plasma beta-EP levels, regardless of the route of administration. It is therefore unlikely that circulating beta-EP mediates any biological effect of CT.

UI MeSH Term Description Entries
D007273 Injections, Intramuscular Forceful administration into a muscle of liquid medication, nutrient, or other fluid through a hollow needle piercing the muscle and any tissue covering it. Intramuscular Injections,Injection, Intramuscular,Intramuscular Injection
D007275 Injections, Intravenous Injections made into a vein for therapeutic or experimental purposes. Intravenous Injections,Injection, Intravenous,Intravenous Injection
D008297 Male Males
D010919 Placebos Any dummy medication or treatment. Although placebos originally were medicinal preparations having no specific pharmacological activity against a targeted condition, the concept has been extended to include treatments or procedures, especially those administered to control groups in clinical trials in order to provide baseline measurements for the experimental protocol. Sham Treatment
D012016 Reference Values The range or frequency distribution of a measurement in a population (of organisms, organs or things) that has not been selected for the presence of disease or abnormality. Normal Range,Normal Values,Reference Ranges,Normal Ranges,Normal Value,Range, Normal,Range, Reference,Ranges, Normal,Ranges, Reference,Reference Range,Reference Value,Value, Normal,Value, Reference,Values, Normal,Values, Reference
D002116 Calcitonin A peptide hormone that lowers calcium concentration in the blood. In humans, it is released by thyroid cells and acts to decrease the formation and absorptive activity of osteoclasts. Its role in regulating plasma calcium is much greater in children and in certain diseases than in normal adults. Thyrocalcitonin,Calcitonin(1-32),Calcitrin,Ciba 47175-BA,Eel Calcitonin,Calcitonin, Eel,Ciba 47175 BA,Ciba 47175BA
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000281 Administration, Intranasal Delivery of medications through the nasal mucosa. Drug Administration, Intranasal,Administration, Intranasal Drug,Administration, Nasal,Intranasal Administration,Intranasal Drug Administration,Administrations, Intranasal,Administrations, Intranasal Drug,Administrations, Nasal,Drug Administrations, Intranasal,Intranasal Administrations,Intranasal Drug Administrations,Nasal Administration,Nasal Administrations
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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