One of the most influential studies in modern depression treatment is the STAR*D trial (Sequenced Treatment Alternatives to Relieve Depression).
Unlike many medication studies that test a single drug in isolation, STAR*D followed patients in real-world clinical settings to answer a practical question: What happens when the first antidepressant doesn’t fully work?
The results helped shape how psychiatrists and psychiatric nurse practitioners approach antidepressant treatment today.
What Was the STAR*D Trial?
The STAR*D trial, funded by the National Institute of Mental Health (NIMH), followed more than 4,000 adults with major depressive disorder treated in both primary care and psychiatric settings.
All participants began treatment with the SSRI citalopram (Celexa).
For those who did not achieve remission (remission means the symptoms of depression improved so much they no longer met clinical criteria for depression), the study allowed several next-step strategies, including:
Switching to another antidepressant, such as:
- Sertraline (Zoloft)
- Bupropion SR (Wellbutrin SR)
- Venlafaxine XR (Effexor XR)
Augmenting citalopram with:
- Bupropion SR
- Buspirone (Buspar)
In later treatment steps, additional strategies included:
- Mirtazapine (Remeron)
- Nortriptyline (a tricyclic antidepressant)
- Lithium augmentation
- Triiodothyronine (T3) augmentation
This design reflected real-world psychiatric care — where treatment adjustments are thoughtful and data-informed.
Key Findings from STAR*D
About One-Third Reached Remission with the First Medication
Roughly 30% of patients achieved remission after their first antidepressant trial with citalopram.
That is significant — but it also means that the majority required additional adjustments.
Additional Patients Improved with Switching or Augmentation
When patients switched to medications like sertraline, bupropion, or venlafaxine — or augmented — additional remission occurred.
Across multiple treatment steps, more than half of patients ultimately achieved remission.
Depression Treatment Is Often Stepwise
The study reinforced what many psychiatric providers observe:
Depression treatment is frequently iterative.
Improvement may come after:
- A dose adjustment
- A switch to a different antidepressant class
- Augmentation with another medication
- Or the addition of psychotherapy
It is rarely a one-step process. And this is incredibly frustrating for the depressed person.
What This Means for Treatment — and for You
The STAR*D trial supports a collaborative, flexible, and stepwise approach to antidepressant treatment.
Medication selection is never random. Initial choices are guided by:
- Your specific symptom pattern (sleep disturbance, anxiety, low energy, rumination)
- Side effect considerations
- Past medication response (yours or family members’)
- Medical history
- Dosing simplicity and daily routine fit
If the first medication does not fully relieve symptoms, that does not mean treatment has failed.
It means we have gathered useful clinical information.
Each adjustment — whether a dose change, a switch to another antidepressant, augmentation, or adding psychotherapy — helps refine the plan.
If your first antidepressant does not fully relieve your depression, you are not alone.
Needing adjustments does not mean:
- You are “treatment resistant.”
- Antidepressants “don’t work.”
- You did something wrong.
It reflects the biological complexity of major depressive disorder.
The STAR*D trial reminds us that recovery is often progressive rather than immediate. With careful monitoring, open communication, and thoughtful adjustments, many patients do improve over time.
Effective depression treatment is not guesswork… it is guided, evidence-informed, and individualized.
At Elessar Psychiatry, we take this approach seriously — combining careful medication management, psychotherapy collaboration, and ongoing reassessment to support long-term recovery.
Katy Alderman, MSN, APRN, PMHNP-BC
Founder, Elessar Psychiatry
Serving Utah & Colorado | Hybrid Telehealth & In-Person Psychiatry
References
Rush, A. J., Trivedi, M. H., Wisniewski, S. R., et al. (2006). Acute and longer-term outcomes in depressed outpatients requiring one or several treatment steps: A STAR*D report. American Journal of Psychiatry, 163(11), 1905–1917.
Warden, D., Rush, A. J., Trivedi, M. H., et al. (2007). The STAR*D Project results: A comprehensive review of findings. Primary Care Companion to the Journal of Clinical Psychiatry, 9(6), 449–459.