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Re: Lex to Celexa question » AntiTrust

Posted by Chairman_MAO on June 3, 2004, at 11:39:18

In reply to Lex to Celexa question, posted by AntiTrust on June 3, 2004, at 11:17:04

If you were maintained on 40mg Lexapro, it seems strange to drop down to 20mg of Celexa. That said, lower dosages of citalopram are more effective when treating panic disorder than higher ones. See the following two abstracts:


The effect of citalopram in panic disorder.

Wade AG, Lepola U, Koponen HJ, Pedersen V, Pedersen T.

Clydebank Health Centre, Dunbartonshire, Scotland.

BACKGROUND: Citalopram is a serotonin reuptake inhibitor which has been demonstrated to be highly selective and with a superior tolerability profile to the classical tricyclic antidepressants. This study was designed to test whether there was any difference in efficacy in the management of panic disorder (PD) between citalopram and placebo. METHOD: This was a double-blind, placebo and clomipramine controlled, parallel group eight-week study. A total of 475 patients with PD, with or without agoraphobia, were randomised to treatment with either placebo, clomipramine 60 or 90 mg/day, or citalopram 10 or 15 mg/day, or 20 or 30 mg/day, or 40 or 60 mg/day. Doses were increased over the first three weeks, stabilised during the fourth week and fixed between weeks five and eight. RESULTS: Treatment with citalopram at 20 or 30 mg, 40 or 60 mg and clomipramine were significantly superior to placebo, judged by the number of patients free of panic attacks in the week prior to the final assessment. All rating scales examined suggested that citalopram 20 or 30 mg was more effective than citalopram 40 or 60 mg. CONCLUSION: The most advantageous benefit/risk ratio for the treatment of PD was associated with citalopram 20 or 30 mg/day.

Citalopram controls phobic symptoms in patients with panic disorder: randomized controlled trial.

Leinonen E, Lepola U, Koponen H, Turtonen J, Wade A, Lehto H.

Department of Psychogeriatrics, Tampere University Hospital, Finland. esa.leinonen@tays.fi

OBJECTIVE: To examine the effects of long-term treatment with citalopram or clomipramine on subjective phobic symptoms in patients with panic disorder. DESIGN: Double-blind, parallel-group, five-arm study. PATIENTS: Patients aged 18 to 65 years with panic disorder (DMS-III-R diagnosis) and with no major depressive symptoms. INTERVENTIONS: Four hundred and seventy-five patients were randomized to 8 weeks of treatment with either citalopram (10 to 15 mg per day; 20 to 30 mg per day; or 40 to 60 mg per day), clomipramine (60 to 90 mg per day) or placebo. Two hundred and seventy-nine patients continued treatment after the 8-week acute phase. OUTCOME MEASURES: Phobic symptoms were assessed using the Phobia Scale and the Symptom Checklist's (SCL-90) phobia-related factors. RESULTS: At all dosages, citalopram was more efficacious than placebo, with 20 to 30 mg generally being the most effective dosage. Citalopram (20 to 30 mg) generally decreased phobic symptoms significantly more than placebo after Month 3. Interpersonal sensitivity decreased when measured on the respective SCL-90 sub-scale. Alleviation of phobic symptoms generally continued to increase towards the end of the treatment. The effect of clomipramine was not as consistent. CONCLUSIONS: All active treatment groups, especially the group receiving 20 to 30 mg per day of citalopram, effectively controlled phobic symptoms in patients with panic disorder. Long-term treatment with citalopram further decreased phobic symptoms.


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poster:Chairman_MAO thread:353356
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