Who are Akynzeo's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Varubi, Akynzeo, Emend, Emend, Zunrisa, Lotronex.

How often does this brief refresh?

Every 30 minutes from primary sources (FDA, EMA, MHRA, PMDA, ClinicalTrials.gov, USPTO). Subscribe to the RSS feed below for push alerts.

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Last reviewed 2026-05-13 · How we verify

Akynzeo — Competitive Intelligence Brief

Akynzeo (FOSNETUPITANT) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Serotonin-3 Receptor Antagonist [EPC]. Area: Oncology.

marketed Serotonin-3 Receptor Antagonist [EPC] Substance-P receptor Oncology Small molecule Live · refreshed every 30 min

Target snapshot

Akynzeo (FOSNETUPITANT) — Helsinn Hlthcare. Akynzeo works by blocking the action of substance-P, a natural substance in the body that triggers 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,….

Drug	Generic	Sponsor	Phase	Class	Target	Approval / PDUFA
Akynzeo TARGET	FOSNETUPITANT	Helsinn Hlthcare	marketed	Serotonin-3 Receptor Antagonist [EPC]	Substance-P receptor	2018-01-01
Varubi	ROLAPITANT	Tersera	marketed	Substance P/Neurokinin-1 Receptor Antagonist	Substance-P receptor	2015-01-01
Akynzeo	NETUPITANT	Helsinn Hlthcare	marketed	Serotonin-3 Receptor Antagonist [EPC]	Substance-P receptor	2014-01-01
Emend	APREPITANT	Merck & Co.	marketed	Substance P/Neurokinin-1 Receptor Antagonist [EPC]	Substance-P receptor	2003-01-01
Emend	FOSAPREPITANT		marketed	Substance P/Neurokinin-1 Receptor Antagonist	Substance-P receptor	2003-01-01
Zunrisa	CASOPITANT		phase 3	casopitant	Sigma non-opioid intracellular receptor 1, Substance-P receptor
Lotronex	ALOSETRON	Legacy Pharma	marketed	Serotonin-3 Receptor Antagonist	5-hydroxytryptamine receptor 3A	2000-01-01

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)

2030-11-18 — Akynzeo · 9186357 · US
2030-11-18 — Akynzeo · 9943515 · US
2030-11-18 — Akynzeo · 9186357 · US
2030-11-18 — Akynzeo · 8951969 · US
2030-11-18 — Akynzeo · 8623826 · US
2030-11-18 — Akynzeo · 11559523 · US
2030-12-17 — Akynzeo · 10828297 · US
2030-12-17 — Akynzeo · 10828297 · US
2031-09-09 — Akynzeo · 9271975 · US
2032-05-23 — Akynzeo · 10717721 · US
2032-05-23 — Akynzeo · 8895586 · US
2032-05-23 — Akynzeo · 9403772 · US
2032-05-23 — Akynzeo · 9908907 · US
2032-05-23 — Akynzeo · 10208073 · US
2032-05-23 — Akynzeo · 8426450 · US
2032-05-23 — Akynzeo · 11312698 · US
2035-09-25 — Akynzeo · 10676440 · US
2035-09-25 — Akynzeo · 10233154 · US
2035-09-25 — Akynzeo · 9951016 · US
2035-09-25 — Akynzeo · 10961195 · US
2037-06-02 — Akynzeo · 11529362 · US
2037-06-02 — Akynzeo · 10624911 · US

Sponsor landscape (Serotonin-3 Receptor Antagonist [EPC] class)

Helsinn Hlthcare · 2 drugs in this class

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Cite this brief

Drug Landscape (2026). Akynzeo — Competitive Intelligence Brief. https://druglandscape.com/ci/fosnetupitant. Accessed 2026-05-13.

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