Dr. Arnold Shapiro is a board-certified psychiatrist in Cincinnati and Northern Kentucky with 35+ years of experience in the medication treatment of difficult depression. His approach to treatment-resistant depression is to confirm the diagnosis and fully optimize the medication plan first — because for many patients, that alone is what finally works.
What the research actually shows
The largest real-world study of depression treatment, the NIMH STAR*D trial, found that roughly one in three people reach full remission on their first antidepressant — but that the odds of getting better keep climbing as you switch and adjust through additional, well-chosen steps. In other words, one or two disappointing trials do not mean you are out of options. They usually mean the sequence isn't finished.
The clinical definition of treatment-resistant depression is failing two or more antidepressants taken at an adequate dose for an adequate length of time. That qualifier matters enormously, because a great deal of apparent resistance disappears the moment someone checks whether the medication was ever really given a fair trial.
Why depression stops responding — the four usual reasons
The dose was never high enough
A surprising number of 'failed' antidepressants were never raised to a therapeutic dose, or were stopped after two or three weeks — before they had a fair chance to work.
The diagnosis was incomplete
Bipolar depression, ADHD, thyroid disease, sleep disorders, and substance use can all masquerade as ordinary depression. Antidepressants alone will not fix any of them.
The medication was the wrong fit
Two people with the same diagnosis can need very different medications. Matching the drug to the person — and the person's history — is the heart of psychopharmacology.
Nothing was ever truly optimized
Real treatment is a deliberate sequence: adjust, combine, or switch based on how you respond — not a series of quick trials abandoned at the first side effect.
Before a procedure, a careful second look
Ketamine, Spravato (esketamine), and TMS are real advances, and for some patients they are exactly the right next step. But they are not a substitute for getting the diagnosis right. Spravato, for example, is prescribed alongside an oral antidepressant — it assumes the underlying medication plan is sound. Newer oral options like Auvelity have also widened what's possible earlier in treatment, as a Step-2 switch rather than a last resort.
Dr. Shapiro's promise is simple: if a procedure genuinely is your best option, he will say so plainly and help you find it. But first, he makes sure you have actually had the thorough evaluation and the fully optimized medication plan that many patients labeled “treatment-resistant” never received.
A second opinion worth getting
The evaluation starts with a full hour with our therapist and a full hour with Dr. Shapiro — two clinicians, one shared chart — so nothing about your history gets skipped. Most evaluations are complete within about ten days.
Common questions
What counts as treatment-resistant depression?
The usual clinical definition is depression that has not responded to at least two different antidepressants, each taken at an adequate dose for an adequate length of time. The key words are 'adequate dose' and 'adequate time' — a medication tried too briefly, or never raised to a therapeutic dose, does not count as a real trial. A great deal of what gets labeled 'treatment-resistant' turns out not to be.
Do you offer ketamine, Spravato, or TMS?
The most important step usually comes first: making sure the diagnosis is correct and the medication plan has actually been optimized. Many patients who were told they were out of options simply had not had the right diagnosis or an adequate medication trial. When a procedure genuinely is the right next step, Dr. Shapiro will tell you plainly and help you find it — some options, like Spravato (esketamine), are prescribed alongside an oral antidepressant.
Could my diagnosis be wrong?
It happens more often than people expect. Bipolar depression, ADHD, thyroid problems, sleep disorders, and the effects of alcohol or other substances can all look like ordinary depression that 'won't respond' to antidepressants — because antidepressants are not the right treatment for them. A thorough re-evaluation looks for exactly these missed pictures.
I've already failed several medications. Is it worth trying again?
Often, yes. Large studies show that when one antidepressant does not work, switching or adjusting still helps a meaningful share of patients — the odds do not drop to zero after the first try. The goal is not to keep guessing, but to work through a deliberate, evidence-based sequence with someone who does this every day.