Randomized, single blinded comparative study of selective serotonin reuptake inhibitor augmentation with olanzapine v/s amisulpride for obsessive compulsive disorder

Authors

  • O. P. Raichandani Department of Psychiatry, Netaji Subhash Chandra Bose Medical College, Jabalpur, Madhya Pradesh, India
  • J. N. Chaturvedi Department of Pharmacology, Shyam Shah Medical College, Rewa, Madhya Pradesh, India

DOI:

https://doi.org/10.18203/2319-2003.ijbcp20193196

Keywords:

Amisulpride, Augmentation, Obsessive Compulsive Disorder, Olanzapine, Selective Serotonin Reuptake Inhibitors

Abstract

Background: Obsessive-Compulsive Disorder is classified in the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision (DSM-IV-TR) as an anxiety disorder. Serotonin reuptake inhibitors are considered to be most effective and are the first line pharmacotherapy for the treatment of OCD. However, about 40-60% of OCD patients fail to respond to SSRI mono-therapy. Further, as many as 25% of patients fails to experience any improvement from initial SSRIs mono-therapy. For non-responder’s low dose augmentation with antipsychotics (risperidone, quetiapine, olanzapine, aripirazole, amisuplride etc.) has shown promising response, as compared to serotonin enhancers. The present study is designed to evaluate and compare the efficacy and adverse drug reactions of these two antipsychotics viz. Olanzapine and amisulpride as augmentation strategy in OCD patients. Objective of present study was to compare the efficacy of olanzapine and amisulpride as add on therapy for inadequately controlled obsessive-compulsive disorder patients on selective-serotonin reuptake inhibitor.

Methods: the present study was done at Medical College Jabalpur (M.P.) in the department of Psychiatry & Pharmacology. It was randomized, patient blinded study. 47 patients were screened for the study out of which 36 were enrolled and randomized into either SSRI+Olanzapine or SSRI+Amisulpride group. The patients were evaluated at baseline and then biweekly for 12 weeks to assess the efficacy of these drugs as augmentation strategy using Yale-Brown Obsessive Compulsive Scale (Y-BOCS).

Results: There was a significant improvement in Yale-Brown Obsessive Compulsive Scale (Y-BOCS), Clinical Global Impression-Severity (CGI-S) score and Clinical Global impression-Improvement (CGI-I) score in both the groups but there was no significant difference (P>0.05) in either of these groups on these three scale. No serious adverse drug reaction was reported in either of these groups.

Conclusions: Both olanzapine and amisulpride are efficacious and well tolerated for augmentation of SSRI with no significant difference in their efficacy.

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Published

2019-07-23

How to Cite

Raichandani, O. P., & Chaturvedi, J. N. (2019). Randomized, single blinded comparative study of selective serotonin reuptake inhibitor augmentation with olanzapine v/s amisulpride for obsessive compulsive disorder. International Journal of Basic & Clinical Pharmacology, 8(8), 1884–1890. https://doi.org/10.18203/2319-2003.ijbcp20193196

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Original Research Articles