Authors: Mark A. Ellenbogen; Christopher Cardoso; Lisa Serravalle; Kiran Vadaga; Ridha Joober · Research
Can Oxytocin Make Therapy More Effective for Depression?
Study finds nasal oxytocin spray before therapy sessions improves depression treatment outcomes and therapeutic relationships
Source: Ellenbogen, M. A., Cardoso, C., Serravalle, L., Vadaga, K., & Joober, R. (2024). The effects of intranasal oxytocin on the efficacy of psychotherapy for major depressive disorder: a pilot randomized controlled trial. Psychological Medicine, 54, 2122-2132. https://doi.org/10.1017/S0033291724000217
What you need to know
- Using oxytocin nasal spray before therapy sessions led to greater improvements in depression compared to placebo
- Patients who received oxytocin developed stronger therapeutic relationships with their therapists early in treatment
- The benefits of oxytocin treatment were still present 6 months after therapy ended
The Promise of a “Trust Hormone”
Have you ever wondered why some people seem to form close bonds more easily than others? Or why therapy works better for some individuals than others? The answer might lie in a hormone called oxytocin, sometimes nicknamed the “trust hormone” or “bonding hormone.” This naturally occurring substance in our bodies helps promote social connections and trust between people. Now, researchers are discovering that giving oxytocin as a nasal spray before therapy sessions might help people with depression get more benefit from their treatment.
The Study Design
Researchers recruited 23 people diagnosed with major depression and randomly assigned them to receive either oxytocin nasal spray or a placebo spray before each of their therapy sessions. Neither the participants nor their therapists knew which spray they were receiving. All participants attended up to 16 sessions of interpersonal therapy, a type of talk therapy that focuses on improving relationships and social functioning.
What They Found
The results were striking. People who received oxytocin before their therapy sessions showed greater improvement in their depression symptoms compared to those who received the placebo. Even more encouraging, these benefits were still present when researchers checked back six months after therapy ended.
But perhaps most interesting was how oxytocin affected the therapeutic relationship. Participants who received oxytocin reported feeling a stronger connection with their therapist right from the first session. Specifically, they felt more aligned with their therapist about their treatment goals.
The Science Behind It
Oxytocin works in the brain to help regulate emotions and social behavior. When administered before therapy sessions, it appears to create optimal conditions for therapeutic work by:
- Enhancing trust and openness between patient and therapist
- Helping patients feel more comfortable discussing difficult emotions
- Improving the ability to form therapeutic bonds
- Making social interactions feel more rewarding
What This Means for You
While these findings are promising, it’s important to note that this was a small pilot study and more research is needed before oxytocin becomes widely available as a therapy enhancement. However, the study offers several practical insights:
- The quality of your relationship with your therapist matters - especially in the early sessions
- Being able to agree on treatment goals with your therapist is particularly important
- Depression treatment can be more effective when we address both biological and psychological factors together
Conclusions
- Oxytocin nasal spray shows promise as a way to enhance the effectiveness of therapy for depression
- The benefits appear to work through improving the therapeutic relationship, especially early in treatment
- This research opens new possibilities for combining biological and psychological treatments for depression