Calcitonin (Lachs)
Salmon calcitonin is a synthetically produced 32-amino-acid peptide hormone that corresponds to the body's own calcitonin but exhibits higher biological potency than the human hormone. In the scientific literature it is studied in the context of inhibiting osteoclast-mediated bone resorption and lowering elevated calcium levels. It was historically broadly approved for the treatment of postmenopausal osteoporosis; following European safety reviews, however, its use was restricted.
Mechanism of action
Salmon calcitonin binds the calcitonin receptor, which is particularly densely expressed on bone-resorbing osteoclasts. The literature describes that receptor activation inhibits osteoclast activity and motility, thereby reducing bone resorption. This results in reduced release of calcium and phosphate from bone into the blood, which is regarded as the mechanistic basis for the calcium-lowering effect. The salmon variant binds the receptor more strongly and for longer than human calcitonin, which explains its higher potency. Central nervous system mechanisms are additionally discussed in relation to its pain effect in fractures, the basis of which is regarded in the literature as not fully elucidated.
L'evidenza in sintesi
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Does long-term use of calcitonin increase the risk of cancer?
Farmacocinetica
Curva teorica di concentrazione con un'emivita di 1 h. Modello puramente farmacocinetico — non una raccomandazione di dose.
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Interazioni e combinazioni
Voci regolatorie
In long-term clinical trials the risk of developing cancer was 0.7% to 2.4% higher in patients receiving calcitonin-containing medicines compared to those patients receiving placebo.
Osservazioni aneddotiche
Di cosa si discute nelle comunità online
Stato legale per paese
Calcolatore di ricostituzione
I peptidi arrivano come polvere secca. Una volta disciolti in un liquido (ricostituzione), questo calcolatore risponde a una sola domanda: quanta sostanza c'è in un millilitro di soluzione dopo?
- 1Inserisci la quantità di sostanza del flacone (riportata sull'etichetta).
- 2Inserisci quanto solvente aggiungi.
- 3Risultato = concentrazione in mg per mL.
Registro degli studi
A randomized trial of nasal spray salmon calcitonin in postmenopausal women with established osteoporosis: the prevent recurrence of osteoporotic fractures study. PROOF Study Group
Calcitonin for treating acute pain of osteoporotic vertebral compression fractures: a systematic review of randomized, controlled trials
Does salmon calcitonin cause cancer? A review and meta-analysis
Calcitonin in the treatment of Paget's disease of bone
Fonti e metodologia
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