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the claim

Ondansetron acts as a selective blocking agent of the serotonin 5-HT 3 receptor type.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
3 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that Ondansetron acts as a selective blocking agent of the serotonin 5-HT 3 receptor type?

Yes. Ondansetron is well-established in the literature as a selective antagonist of the serotonin 5-HT3 receptor.

Verdict: SUPPORTED · 3 sources for, 0 against · Last checked

The analysis

Multiple retrieved papers (e.g., 1, 8, 10) explicitly state and rely upon the pharmacological fact that ondansetron is a selective 5-HT3 receptor antagonist. No papers refute this claim.

Evidence for · 3
"Ondansetron augmentation for obsessive-compulsive disorder: A systematic review and meta-analysis of randomized placebo-controlled trials".
2026
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A, M., M, I., AM, K., U, P., S, A., MH, N., & H, J. (2026). "Ondansetron augmentation for obsessive-compulsive disorder: A systematic review and meta-analysis of randomized placebo-controlled trials".. doi.org. https://doi.org/10.1007/s00228-026-04085-9

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More for · 2
Ramosetron-induced acute dystonic extrapyramidal reactions: A case report.
2026
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EK, C., K, S., & J, Y. (2026). Ramosetron-induced acute dystonic extrapyramidal reactions: A case report.. doi.org. https://doi.org/10.4103/sja.sja_736_25

Ferroptosis in Septic Cardiomyopathy Is Alleviated by Ondansetron: The Critical Role of the HTR3A-ATF3 Axis in Mitochondrial and Oxidative Homeostasis.
2026
Get citation
X, W., Y, L., W, L., Y, W., B, Y., Y, Q., Y, Z., Y, J., Y, W., K, N., & X, J. (2026). Ferroptosis in Septic Cardiomyopathy Is Alleviated by Ondansetron: The Critical Role of the HTR3A-ATF3 Axis in Mitochondrial and Oxidative Homeostasis.. doi.org. https://doi.org/10.3390/biomedicines14051040

What does the evidence say?

Multiple retrieved papers (e.g., 1, 8, 10) explicitly state and rely upon the pharmacological fact that ondansetron is a selective 5-HT3 receptor antagonist. No papers refute this claim.

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