Double-blind, placebo-controlled study of INN 00835 (netamiftide) in the treatment of outpatients with major depression
Feighner JP, Ehrensing RH, Kastin AJ, Patel A,
Sverdlov L, Hlavka J, Abajian HB, Noble JF, Nicolau G.
Innapharma Inc., Park Ridge, NJ 07656, USA.
Int Clin Psychopharmacol 2001 Nov;16(6):345-52


This study was designed to determine the safety, efficacy and pharmacokinetics of the antidepressant netamiftide (previously designated name: INN 00835) after 5 or 10 daily doses administered to patients diagnosed with major depression. Netamiftide was administered subcutaneously at a fixed dose of 18 mg/patient per day. Of the 55 enrolled patients, 22 were dosed for 10 days with drug, 11 for 5 days with drug followed by 5 days with placebo and 22 for 10 days with placebo only. The effect of treatment with netamiftide was evaluated by the following psychometric tests: Hamilton Depression Rating, Montgomery-Asberg Depression Rating Scale, Carroll Self-Rating Depression and Clinical Global Impression scales. None of the patients experienced significant adverse effects. A pharmacodynamic correlation (P < 0.05) was found between plasma drug concentrations and response to treatment. Highest plasma concentrations (Cmax) of netamiftide averaging 45.7 ng/ml were observed at 0.25 h after dosing. There were 89% responders in the group with Cmax > or = 45.7 ng/ml (minimum therapeutic concentration) versus 40% in the group with Cmax < 45.7 ng/ml. Onset of action was observed within 48 h after treatment, peak effect was observed at approximately 1 week after treatment and efficacy lasted during a 4-week follow-up period. Netamiftide is a promising antidepressant with rapid onset of action and with an excellent safety profile.

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