Who are Saizen® B's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Ngenla, Ngenla, Skytrofa, Sogroya, Trovert, Trovert.

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

Saizen® B — Competitive Intelligence Brief

Saizen® B (Saizen® B) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Growth hormone. Area: Endocrinology.

phase 3 Growth hormone Growth hormone receptor Endocrinology Small molecule Live · refreshed every 30 min

Target snapshot

Saizen® B (Saizen® B) — Merck KGaA, Darmstadt, Germany. Saizen B is a recombinant human growth hormone used to treat growth hormone deficiency.

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
Saizen® B TARGET	Saizen® B	Merck KGaA, Darmstadt, Germany	phase 3	Growth hormone	Growth hormone receptor
Ngenla	Somatrogon-Ghla	Pfizer Ireland Pharmaceuticals	marketed		Growth hormone receptor	2023-01-01
Ngenla	somatrogon	Pfizer Ireland Pharmaceuticals	marketed		Growth hormone receptor	2023-01-01
Skytrofa	LONAPEGSOMATROPIN	Ascendis Pharma Encocrinology Div A/S	marketed	Recombinant Human Growth Hormone [EPC]	Growth hormone receptor	2021-01-01
Sogroya	SOMAPACITAN	Novo Nordisk	marketed		Growth hormone receptor	2020-01-01
Trovert	somavert	Pfizer	marketed	Growth Hormone Receptor Antagonist	Growth hormone receptor	2003-01-01
Trovert	PEGVISOMANT	Pfizer	marketed	Growth Hormone Receptor Antagonist	Growth hormone receptor	2003-01-01

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)

No upcoming patent expiries for this set.

Sponsor landscape (Growth hormone class)

Assistance Publique - Hôpitaux de Paris · 2 drugs in this class
Changchun GeneScience Pharmaceutical Co., Ltd. · 1 drug in this class
Granata Bio Corporation · 1 drug in this class
Merck KGaA, Darmstadt, Germany · 1 drug in this class

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Cite this brief

Drug Landscape (2026). Saizen® B — Competitive Intelligence Brief. https://druglandscape.com/ci/saizen-b. Accessed 2026-05-15.

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