Who are GZR4 Injection's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Zegalogue, Low-Dose Glucagon, morphine and glucagon, Glucagon 12.5ng/kg/min, MK-0524B, MK-1293.

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 2026-05-15 · How we verify

GZR4 Injection — Competitive Intelligence Brief

GZR4 Injection (GZR4 Injection) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Glucagon receptor antagonist. Area: Diabetes.

phase 3 Glucagon receptor antagonist Glucagon receptor Diabetes Small molecule Live · refreshed every 30 min

Target snapshot

GZR4 Injection (GZR4 Injection) — Gan and Lee Pharmaceuticals, USA. GZR4 Injection is a glucagon receptor antagonist.

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
GZR4 Injection TARGET	GZR4 Injection	Gan and Lee Pharmaceuticals, USA	phase 3	Glucagon receptor antagonist	Glucagon receptor
Zegalogue	DASIGLUCAGON	Zealand Pharma	marketed	Antihypoglycemic Agent [EPC]	Glucagon receptor	2021-01-01
Low-Dose Glucagon	Low-Dose Glucagon	Steno Diabetes Center Copenhagen	marketed	Glucagon receptor agonist	Glucagon receptor (GCGR)
morphine and glucagon	morphine and glucagon	National Taiwan University Hospital	marketed	Opioid analgesic + glucagon (hormone)	Mu-opioid receptor (morphine); glucagon receptor (glucagon)
Glucagon 12.5ng/kg/min	Glucagon 12.5ng/kg/min	Cambridge University Hospitals NHS Foundation Trust	marketed	Glucagon receptor agonist	Glucagon receptor (GCGR)
MK-0524B	MK-0524B	Merck Sharp & Dohme LLC	phase 3	Glucagon receptor antagonist	Glucagon receptor
MK-1293	MK-1293	Merck Sharp & Dohme LLC	phase 3	Glucagon receptor antagonist	Glucagon receptor

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 (Glucagon receptor antagonist class)

Merck Sharp & Dohme LLC · 2 drugs in this class
Alizyme · 2 drugs in this class
Claes-Göran Östenson · 1 drug in this class
Gan and Lee Pharmaceuticals, USA · 1 drug in this class
GlaxoSmithKline · 1 drug in this class
Johnson & Johnson Pharmaceutical Research & Development, L.L.C. · 1 drug in this class
AbbVie (prior sponsor, Abbott) · 1 drug in this class
Novo Nordisk A/S · 1 drug in this class
Allergan · 1 drug in this class

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Cite this brief

Drug Landscape (2026). GZR4 Injection — Competitive Intelligence Brief. https://druglandscape.com/ci/gzr4-injection. Accessed 2026-05-15.

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