Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 12/5/2025

Augmentation Strategies for Partial Response to Sertraline

Evidence-Based Recommendations

  • The American College of Physicians suggests that bupropion is superior to buspirone for augmentation of SSRIs in MDD, with low-quality evidence showing that while response and remission rates are similar, bupropion decreases depression severity significantly more than buspirone 2, 3, 4.
  • The American Psychiatric Association guidelines indicate that moderate-quality evidence demonstrates that discontinuation due to adverse events is significantly lower with bupropion (12.5%) compared to buspirone (20.6%) when augmenting citalopram, indicating better tolerability 2, 3, 4, 5.
  • Current OCD guidelines do not recommend buspirone as an augmentation strategy, instead prioritizing antipsychotics (risperidone, aripiprazole), clomipramine, or glutamatergic agents (N-acetylcysteine, memantine) for SSRI-resistant OCD 6.
  • The National Institute of Mental Health recommends adding CBT with ERP protocol (10-20 sessions) while continuing sertraline 200mg, which addresses all three conditions (MDD, OCD, and GAD) simultaneously 1.
  • CBT augmentation has lower discontinuation rates due to adverse effects compared to pharmacological augmentation and provides sustained long-term benefits 1.
  • If CBT is unavailable or declined, the American Medical Association suggests adding bupropion 150mg/day as pharmacological augmentation 1, 5.

Safety Considerations

  • Monitor for serotonin syndrome if adding any pharmacological augmentation, particularly in the first 24-48 hours 1.
  • All antidepressants carry black box warnings for increased suicidal thinking, requiring close monitoring especially during treatment transitions 1.