Ketamine has received significant attention in recent years for its rapid effects on treatment-resistant depression and PTSD. But ketamine as a standalone medical infusion and ketamine-assisted psychotherapy (KAP) are different things. The difference matters both for understanding how it works and for evaluating whether it is appropriate for your situation.
In KAP, the ketamine session is embedded within a structured therapeutic process. Preparation sessions build the relational foundation and establish intentions for the experience. The ketamine session itself occurs with a therapist present to provide support and continuity. Integration sessions afterward are where the neurological opening created by ketamine is used to do meaningful psychological work.
The psychotherapy is not an add-on. It is what makes the approach what it is.
How KAP Works
Ketamine, at therapeutic doses, produces a temporary altered state of consciousness. It creates what is sometimes described as psychological flexibility — a loosening of the rigid patterns of thought and self-perception that characterize treatment-resistant depression, entrenched trauma responses, and chronic anxiety.
At the neurological level, ketamine promotes synaptogenesis — the growth of new neural connections. This creates a window of plasticity during which psychological learning and reprocessing are more accessible than they typically are.
This is the opportunity that the psychotherapy component is designed to use. Without structured integration, that window often closes without producing lasting change. With preparation and integration work, many people report shifts in perspective, emotional access, and relational patterns that had not moved through years of conventional treatment.
What the Research Shows
KAP is a relatively recent development in clinical practice, and the evidence base continues to grow. In one clinical study examining the combination of ketamine with cognitive-behavioral therapy in adults with treatment-resistant depression (n=42), 66.7% of participants achieved a clinical response to treatment by the final session — a meaningful finding for a population that had not responded to previous treatment approaches.
It is worth noting that this was a single study with a relatively small sample size. The literature on KAP is growing but not yet large. What is consistent across studies is that the addition of structured psychotherapy to ketamine treatment tends to improve and extend outcomes relative to ketamine alone.
Who KAP Tends to Help
KAP is most often considered for people who have:
- Not responded adequately to conventional therapy, medication, or a combination of both
- Treatment-resistant depression, chronic PTSD, or complex trauma that has not shifted with standard approaches
- Developmental or complex PTSD — trauma rooted in early or prolonged adverse experiences
- A readiness for a more intensive therapeutic process, including preparation and integration work
It is also used for people who are not treatment-resistant but who are seeking a deeper or more accelerated process, particularly around long-standing relational or identity patterns.
KAP is not a shortcut. It requires genuine preparation and committed integration work. People who approach it as a purely medical intervention — without engaging with the psychological content — tend to have more limited outcomes.
What the Process Looks Like
A KAP course typically involves:
Preparation sessions (2-4 typically): The therapist and client build a working relationship, clarify intentions for the experience, and address any psychological material that needs to be in place before the altered state.
The KAP session: Conducted in a clinical setting, with a therapist or integration guide present. The duration varies (typically 1-3 hours). Clients are often given an eyeshade and music to support an inward orientation. The therapist is available throughout.
Integration sessions (ongoing): These are where much of the therapeutic work happens. The material that surfaced during the ketamine experience is explored, processed, and connected to the changes you are working toward.
Important Caveats
KAP involves medical screening. There are contraindications, including certain medical and psychiatric conditions, and the prescribing physician makes the determination about medical eligibility. Psychological readiness — including a capacity for the therapeutic relationship and integration work — is assessed separately.
KAP is not appropriate for everyone. If you have questions about whether you are a candidate, an initial consultation with a provider is the right next step — not a self-assessment based on reading alone.
Grounded Practice Counseling offers ketamine-assisted psychotherapy in St. Augustine. For a closer look at how the process works in a Florida context, how ketamine-assisted therapy works provides additional detail.