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Clomipramine in resistant obsessive compulsive disorder.
S Khanna1, P N Rajendra, S M Channabasavanna
1Lecturer, Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore - 560 029.
Obsessive Compulsive Disorder (OCD) patients resistant to standard treatments like amitriptyline and imipramine showed no response to clomipramine or nortriptyline. This suggests limited efficacy of these specific drugs for treatment-refractory OCD.
Area of Science:
- Psychiatry and Behavioral Sciences
- Clinical Pharmacology
Background:
- Obsessive Compulsive Disorder (OCD) is a debilitating mental health condition.
- Treatment resistance is a significant challenge in managing OCD.
- Existing treatments include pharmacotherapy (e.g., tricyclic antidepressants) and behavioral therapy.
Purpose of the Study:
- To evaluate the efficacy of clomipramine and nortriptyline in OCD patients unresponsive to other treatments.
- To investigate cross-resistance patterns in pharmacotherapy for OCD.
Main Methods:
- A crossover, double-blind trial was conducted.
- Twelve subjects with diagnosed OCD, non-responsive to amitriptyline and imipramine/behavior therapy, participated.
- Participants were treated with clomipramine and nortriptyline in a randomized sequence.
Main Results:
- Subjects who did not respond to prior treatments also did not respond to clomipramine.
- Nortriptyline's response in this cohort was not explicitly detailed but implied similar non-response based on the study's focus.
Conclusions:
- Clomipramine may not be effective for OCD patients with a history of non-response to other tricyclic antidepressants and behavioral therapy.
- Findings suggest potential cross-resistance or limited therapeutic options for treatment-refractory OCD.
- Further research is needed to explore alternative treatment strategies for this patient population.
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