Ketamine Therapy Success Rates for Treatment-Resistant Depression Florida

When we talk about treatment-resistant depression (TRD), we’re usually referring to folks who haven't seen any real relief after trying at least two different antidepressant trials at adequate doses. Sadly, that’s about a third of everyone we treat for major depression. For a long time, we didn't have much else to offer once you hit that wall; ketamine has completely flipped that script. ^[1]

What the clinical data actually shows

I get asked about 'the numbers' every single day in clinic. Looking at the bulk of clinical trials and real-world studies, ketamine's success rates for TRD are remarkably consistent, especially compared to the alternatives: ^[2]

• About 50–70% of people are 'responders,' meaning their depression symptoms drop by half or more.
• Full remission happens for roughly 30–40% of patients we see.
• A lot of patients start feeling that heavy cloud lift within just 24 hours of their initial dose.
• We usually see those results get stronger and more stable over a standard 6–8 session induction course.

To give you some perspective, if you're already on your fourth different antidepressant trial, the chance of that next med working is typically under 20%. Ketamine isn't just a little better; it consistently outperforms just another medication switch for this group of people. ^[3]

The rapid impact on suicidal ideation

Look—one of the most striking things we see in the research is how fast ketamine works on suicidal thoughts. Multiple trials show these thoughts can drop significantly within hours, and interestingly, it happens even before the overall depression clears up. It’s why we’re seeing it used more often as a 'bridge' treatment when someone needs relief right now, not six weeks from now. ^[1]

At-home programs vs. in-clinic infusions

Most historical data comes from IV infusions or esketamine nasal sprays in a doctor's office. At-home programs use oral or sublingual doses that are usually lower but more frequent—think 2–3 times a week for about a month and a half. Real-world data is starting to show that for the right, screened patient, these at-home protocols can be just as effective while being a lot more approachable and less intense.

Who tends to respond best

• People with true TRD who have already failed several traditional meds.
• Patients who don't have a history of abusing dissociative substances.
• Anyone who is actually willing to do the internal work—the preparation and the 'integration' afterward.
• Folks who have a decent support system at home while they go through those first few weeks.

Keeping expectations realistic

I'll be straight with you: ketamine isn't a permanent 'cure' that works for everyone. You still have to pay attention to your lifestyle, your therapy, and your maintenance plan. But for the right person, we see more progress in two weeks than they've had in years of standard care. If you've been cycling through antidepressants without luck, this is one of the only tools with real evidence that it was built for your specific struggle.

Available across Florida

Reset My Vitality is a Florida-licensed telehealth practice. The treatments covered in this guide are available to patients statewide, with medication shipped directly to your door. Explore the program for your city:

• Mental Health in Miami, FL
• Mental Health in Miami Beach, FL
• Mental Health in Fort Lauderdale, FL
• Mental Health in West Palm Beach, FL
• Mental Health in Boca Raton, FL
• Mental Health in Orlando, FL
• Mental Health in Tampa, FL
• Mental Health in Jacksonville, FL
• Mental Health in Naples, FL

Key Clinical Studies

A short, responsible summary of recent peer-reviewed research relevant to this topic. This is for education only, not medical advice.

Scientific References

Peer-reviewed studies and reviews cited in this article.

1. [1]Glue P, et al. Extended-release ketamine tablets for treatment-resistant depression. Nat Med. 2024. View study
2. [2]Yavi M, et al. Ketamine treatment for depression: a review. 2022. View study
3. [3]Tully JL, et al. Ketamine treatment for refractory anxiety: A systematic review. 2022. View study

Frequently asked questions