Who are Vorinostat (VOR)'s main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Low dose valproate, AL8326 tablets, HIP2101, Ifupinostat Hydrochloride for Injection, Belinostat Injection, SPARC0912.

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Last reviewed 2026-06-10 · How we verify

Vorinostat (VOR) — Competitive Intelligence Brief

Name: Drug Landscape Pharmaceutical Database
Creator: Drug Landscape
Published: 2026-01-01
License: https://creativecommons.org/licenses/by/4.0/

Vorinostat (VOR) (Vorinostat (VOR)) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Histone deacetylase (HDAC) inhibitor. Area: Oncology.

marketed Histone deacetylase (HDAC) inhibitor Histone deacetylases (HDAC1, HDAC2, HDAC3, HDAC6, HDAC8) Oncology Small molecule Live · refreshed every 30 min

Target snapshot

Vorinostat (VOR) (Vorinostat (VOR)) — University of North Carolina, Chapel Hill. Vorinostat inhibits histone deacetylases (HDACs), leading to accumulation of acetylated histones and altered gene expression that promotes cancer cell death.

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
Vorinostat (VOR) TARGET	Vorinostat (VOR)	University of North Carolina, Chapel Hill	marketed	Histone deacetylase (HDAC) inhibitor	Histone deacetylases (HDAC1, HDAC2, HDAC3, HDAC6, HDAC8)
Low dose valproate	Low dose valproate	Mario Negri Institute for Pharmacological Research	marketed	Histone deacetylase (HDAC) inhibitor	Histone deacetylases (HDACs)
AL8326 tablets	AL8326 tablets	Advenchen Laboratories Nanjing Ltd.	phase 3	Histone deacetylase (HDAC) inhibitor	Histone deacetylase (HDAC)
HIP2101	HIP2101	Hanmi Pharmaceutical Company Limited	phase 3	Histone deacetylase (HDAC) inhibitor	Histone deacetylase (HDAC)
Ifupinostat Hydrochloride for Injection	Ifupinostat Hydrochloride for Injection	BeBetter Med Inc	phase 3	Histone deacetylase (HDAC) inhibitor	Histone deacetylase (HDAC)
Belinostat Injection	Belinostat Injection	Acrotech Biopharma Inc.	phase 3	Histone deacetylase (HDAC) inhibitor	Histone deacetylase (HDAC)
SPARC0912	SPARC0912	Sun Pharma Advanced Research Company Limited	phase 3	Histone deacetylase (HDAC) inhibitor	Histone deacetylase (HDAC)

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 (Histone deacetylase (HDAC) inhibitor class)

Acrotech Biopharma Inc. · 1 drug in this class
Advenchen Laboratories Nanjing Ltd. · 1 drug in this class
BeBetter Med Inc · 1 drug in this class
Hanmi Pharmaceutical Company Limited · 1 drug in this class
Mario Negri Institute for Pharmacological Research · 1 drug in this class
Sun Pharma Advanced Research Company Limited · 1 drug in this class
University of North Carolina, Chapel Hill · 1 drug in this class
medac GmbH · 1 drug in this class

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Cite this brief

Drug Landscape (2026). Vorinostat (VOR) — Competitive Intelligence Brief. https://druglandscape.com/ci/vorinostat-vor. Accessed 2026-06-10.

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Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing