Study and results
Forty adults with mild-to-moderate major depression entered a randomized, double-blind comparison of saffron stigma extract and fluoxetine. The study used two active treatments without a placebo arm. [1]
The reported depression-score comparison did not significantly differ, and observed adverse-effect frequencies were also similar. The investigators called for a larger trial. [1]
Interpretation and limitations
The abstract does not establish a prespecified equivalence margin or adequate power for equivalence. A small study may miss a meaningful difference. Funding and conflicts were not established; these findings are not a reason to replace prescribed depression treatment or infer a universal response timeline. [1]
A hypothetical distinction
Imagine two small groups have similar average scores. Wide uncertainty can still permit clinically important differences in either direction.
| Detail | Interpretation |
|---|---|
| Nonsignificant difference | Not proof of equality |
| Active comparator | No placebo in this trial |
| Clinical substitution | Not established |

Sources for this article
- Hydro-alcoholic extract of Crocus sativus L. versus fluoxetine in the treatment of mild to moderate depression: a double-blind, randomized pilot trial - PubMed
Source consulted: 2026-09-19. This is a reference resource, not a claim that we conducted the studies or tested a product.