Who are Comparator: MK0517's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Fosaprepitant for Injection, Dexamethasone, Ondansetron, Aprepitant, fosnetupitant/ palonosetron, EMEND, Akynzeo solution, Aprepitant plus Ondansetron.

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Last reviewed 2026-05-14 · How we verify

Comparator: MK0517 — Competitive Intelligence Brief

Comparator: MK0517 (Comparator: MK0517) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Neurokinin-1 (NK1) receptor antagonist. Area: Oncology; Gastroenterology.

phase 3 Neurokinin-1 (NK1) receptor antagonist NK1 receptor Oncology; Gastroenterology Small molecule Live · refreshed every 30 min

Target snapshot

Comparator: MK0517 (Comparator: MK0517) — Merck Sharp & Dohme LLC. MK0517 is a selective antagonist of the neurokinin-1 (NK1) receptor that blocks substance P signaling in the central nervous system.

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
Comparator: MK0517 TARGET	Comparator: MK0517	Merck Sharp & Dohme LLC	phase 3	Neurokinin-1 (NK1) receptor antagonist	NK1 receptor
Fosaprepitant for Injection	Fosaprepitant for Injection	Montefiore Medical Center	marketed	NK1 receptor antagonist	NK1 receptor (neurokinin-1 receptor)
Dexamethasone, Ondansetron, Aprepitant	Dexamethasone, Ondansetron, Aprepitant	Ottawa Hospital Research Institute	marketed	Antiemetic combination (corticosteroid + 5-HT3 antagonist + NK1 antagonist)	Glucocorticoid receptor, 5-HT3 receptor, NK1 receptor
fosnetupitant/ palonosetron	fosnetupitant/ palonosetron	Helsinn Healthcare SA	marketed	NK1 receptor antagonist / 5-HT3 receptor antagonist combination	NK1 receptor (substance P receptor) / 5-HT3 receptor
EMEND	EMEND	Merck Sharp & Dohme LLC	marketed	Neurokinin-1 (NK1) receptor antagonist	NK1 receptor (neurokinin-1 receptor)
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)
Aprepitant plus Ondansetron	Aprepitant plus Ondansetron	University of Pittsburgh	marketed	NK1 receptor antagonist + 5-HT3 receptor antagonist combination	NK1 receptor (aprepitant); 5-HT3 receptor (ondansetron)

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 (Neurokinin-1 (NK1) receptor antagonist class)

Merck Sharp & Dohme LLC · 4 drugs in this class
Organon and Co · 2 drugs in this class
Allergan · 1 drug in this class

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Cite this brief

Drug Landscape (2026). Comparator: MK0517 — Competitive Intelligence Brief. https://druglandscape.com/ci/comparator-mk0517. Accessed 2026-05-14.

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