Who are Twinrix™ Adult's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Twinrix™ Junior.

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 2026-05-16 · How we verify

Twinrix™ Adult — Competitive Intelligence Brief

Twinrix™ Adult (Twinrix™ Adult) competitive landscape: 1 comparator, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Inactivated viral vaccine (combination). Area: Immunology / Infectious Disease.

phase 3 Inactivated viral vaccine (combination) Hepatitis A virus antigen; Hepatitis B surface antigen (HBsAg) Immunology / Infectious Disease Biologic Live · refreshed every 30 min

Target snapshot

Twinrix™ Adult (Twinrix™ Adult) — GlaxoSmithKline. Twinrix is a combined vaccine that stimulates the immune system to produce antibodies against both hepatitis A and hepatitis B viruses.

Comparator set (1 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
Twinrix™ Adult TARGET	Twinrix™ Adult	GlaxoSmithKline	phase 3	Inactivated viral vaccine (combination)	Hepatitis A virus antigen; Hepatitis B surface antigen (HBsAg)
Twinrix™ Junior	Twinrix™ Junior	GlaxoSmithKline	phase 3	Inactivated viral vaccine (combination)	Hepatitis A virus and Hepatitis B surface antigen

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 (Inactivated viral vaccine (combination) class)

GlaxoSmithKline · 2 drugs in this class

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Cite this brief

Drug Landscape (2026). Twinrix™ Adult — Competitive Intelligence Brief. https://druglandscape.com/ci/twinrix-adult. Accessed 2026-05-16.

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