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Experimental drug: Ondansetron — Competitive Intelligence Brief

Experimental drug: Ondansetron (Experimental drug: Ondansetron) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: 5-HT3 receptor antagonist. Area: Oncology, Gastroenterology, Anesthesia.

phase 3 5-HT3 receptor antagonist 5-HT3 receptor Oncology, Gastroenterology, Anesthesia Small molecule Live · refreshed every 30 min

Target snapshot

Experimental drug: Ondansetron (Experimental drug: Ondansetron) — CCTU. Ondansetron blocks serotonin 5-HT3 receptors on chemoreceptor trigger zone and vagal afferent nerves to prevent nausea and vomiting.

Comparator set (6 drugs)

Auto-detected by same drug class / molecular target / therapeutic area, ranked by phase + recency. Override with ?vs=slug1,slug2,….

DrugGenericSponsorPhaseClassTargetApproval / PDUFA
Experimental drug: Ondansetron TARGET Experimental drug: Ondansetron CCTU phase 3 5-HT3 receptor antagonist 5-HT3 receptor
Trintellix vortioxetine Takeda marketed Serotonin modulator and stimulator (SMS); SSRI-like agent Serotonin transporter (SERT); 5-HT3 receptor; 5-HT1A receptor 2013-01-01
Palonosetron only Palonosetron only NYU Langone Health marketed 5-HT3 receptor antagonist 5-HT3 receptor
Dexamethasone + Ondansetron Dexamethasone + Ondansetron University of Catania marketed Corticosteroid + 5-HT3 antagonist combination Glucocorticoid receptor; 5-HT3 receptor
ondansetron and dyclonine hydrochloride ondansetron and dyclonine hydrochloride Peking Union Medical College Hospital marketed 5-HT3 receptor antagonist with local anesthetic 5-HT3 receptor; local anesthetic (sodium channel blockade)
Ramosetron, Aprepitant, Dexamethasone Ramosetron, Aprepitant, Dexamethasone Hallym University Medical Center marketed 5-HT3 antagonist / NK1 antagonist / corticosteroid combination 5-HT3 receptor, NK1 receptor, glucocorticoid receptor
Venlafaxine XR + Mirtazapine Venlafaxine XR + Mirtazapine National Institute of Mental Health (NIMH) marketed Antidepressant combination (SNRI + NaSSA) Serotonin transporter, norepinephrine transporter, alpha-2 adrenergic receptors, 5-HT2 receptors, 5-HT3 receptors

Recent regulatory actions (last 90 days)

No regulatory actions in the last 90 days for this set.

Upcoming PDUFA dates (next 180 days)

No PDUFA dates in the next 180 days for this set.

Patent timeline (forward window)

No upcoming patent expiries for this set.

Sponsor landscape (5-HT3 receptor antagonist class)

  1. Helsinn Healthcare SA · 4 drugs in this class
  2. LG Life Sciences · 3 drugs in this class
  3. University of Malaya · 2 drugs in this class
  4. GlaxoSmithKline · 1 drug in this class
  5. Hamad Medical Corporation · 1 drug in this class
  6. Eye & ENT Hospital of Fudan University · 1 drug in this class
  7. Instituto Mexicano del Seguro Social · 1 drug in this class
  8. Chongqing University Cancer Hospital · 1 drug in this class
  9. Merck Sharp & Dohme LLC · 1 drug in this class
  10. MonoSol Rx · 1 drug in this class

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Cite this brief

Drug Landscape (2026). Experimental drug: Ondansetron — Competitive Intelligence Brief. https://druglandscape.com/ci/experimental-drug-ondansetron. Accessed 2026-05-17.

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