Anamorelin Fumarate is a novelghrelin receptoragonist withEC₅₀value of 0.74 nM in the FLIPR assay.

Ki: 0.7 nM (ghrelin receptor)^[1]
EC50: 0.74 nM (ghrelin receptor)^[1]

In the FLIPR assay, Anamorelin (ANAM) shows significant agonist activity on the ghrelin receptor, with EC₅₀value of 0.74 nM. No significant antagonist activity is observed with Anamorelin at concentrations of up to 1,000 nM. In the binding experiments, Anamorelin binds to the ghrelin receptor with a binding affinity constant (K_i) of 0.70 nM. In the competition assay with radiolabeled ibutamoren (³⁵S-MK-677; another ghrelin receptor agonist) Anamorelin (ANAM) is also found to bind with high affinity to the ghrelin receptor (IC₅₀=0.69 nM). In rat pituitary cells incubated with Anamorelin, there is a dose-dependent stimulatory effect on GH release and the potency (EC₅₀) is 1.5 nM. Anamorelin is screened for activity against a set of over 100 receptors, ion channels, transporters, and enzymes. Anamorelin demonstrates binding to the tachykinin neurokinin 2 (NK₂) site (IC₅₀=0.021 μM); however, a subsequent NK₂functional assay demonstrates no functional activity^[1].

In rats, Anamorelin (ANAM) at an oral dose of 3, 10, or 30 mg/kg once daily significantly increases both food intake and body weight from Day 2 to Day 7 of treatment compared with the vehicle control. The cumulative change in food intake and weight gain increases dose-dependently, and these changes are significant at all dose levels (P<0.05) compared to the control. Administration of Anamorelin at a single oral dose of 3, 10, or 30 mg/kg induces a dose-dependent increase in plasma GH levels and GH AUC_0-6hin rats^[1].

662.78

C₃₅H₄₆N₆O₇

339539-92-3

富马酸阿拉莫林

Room temperature in continental US; may vary elsewhere.

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