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I.V. palonosetron — Competitive Intelligence Brief
phase 3
5-HT3 receptor antagonist
5-HT3 receptor
Oncology
Small molecule
Live · refreshed every 30 min
Target snapshot
I.V. palonosetron (I.V. palonosetron) — Helsinn Healthcare SA. Palonosetron is a selective 5-HT3 receptor antagonist that blocks serotonin signaling in the chemoreceptor trigger zone and gastrointestinal tract to prevent nausea and vomiting.
Comparator set (6 drugs)
| Drug | Generic | Sponsor | Phase | Class | Target | Approval / PDUFA |
|---|---|---|---|---|---|---|
| I.V. palonosetron TARGET | I.V. palonosetron | Helsinn Healthcare SA | 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 |
| Sodium Bicarbonate Powder and ondansetron | Sodium Bicarbonate Powder and ondansetron | Aya Sabry Mohamed Mohamed | marketed | Antacid and antiemetic combination | 5-HT3 receptor (ondansetron); non-specific acid neutralization (sodium bicarbonate) | |
| Metoclopramide, Granisetron, or Ondansetron | Metoclopramide, Granisetron, or Ondansetron | Sanofi | marketed | Antiemetic agents (dopamine antagonist, 5-HT3 receptor antagonists) | Dopamine receptors (metoclopramide); 5-HT3 receptors (granisetron, ondansetron) | |
| Akynzeo solution | Akynzeo solution | Helsinn Healthcare SA | marketed | NK1 receptor antagonist / 5-HT3 receptor antagonist combination | NK1 receptor (netupitant component); 5-HT3 receptor (palonosetron component) | |
| Dexamethasone and ondansetron | Dexamethasone and ondansetron | Yeditepe University Hospital | marketed | Corticosteroid + 5-HT3 receptor antagonist combination | Glucocorticoid receptor (dexamethasone); 5-HT3 receptor (ondansetron) | |
| cardiac output changes with "ondansetron" | cardiac output changes with "ondansetron" | University Tunis El Manar | marketed | 5-HT3 receptor antagonist | 5-HT3 receptor |
Recent regulatory actions (last 90 days)
Upcoming PDUFA dates (next 180 days)
Patent timeline (forward window)
Sponsor landscape (5-HT3 receptor antagonist class)
- Helsinn Healthcare SA · 4 drugs in this class
- LG Life Sciences · 3 drugs in this class
- University of Malaya · 2 drugs in this class
- GlaxoSmithKline · 1 drug in this class
- Hamad Medical Corporation · 1 drug in this class
- Eye & ENT Hospital of Fudan University · 1 drug in this class
- Instituto Mexicano del Seguro Social · 1 drug in this class
- Chongqing University Cancer Hospital · 1 drug in this class
- Merck Sharp & Dohme LLC · 1 drug in this class
- MonoSol Rx · 1 drug in this class
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Cite this brief
Drug Landscape (2026). I.V. palonosetron — Competitive Intelligence Brief. https://druglandscape.com/ci/i-v-palonosetron. Accessed 2026-05-16.
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