Who are Placebo to V503's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Mycobacterium Vaccae for Injection, HD Vaccine, Tat, TEP, Cervavac as three dose regimen, Hepavax-Gene.

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

Placebo to V503 — Competitive Intelligence Brief

Placebo to V503 (Placebo to V503) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Therapeutic vaccine. Area: Oncology.

phase 3 Therapeutic vaccine Human papillomavirus (HPV) antigens Oncology Biologic Live · refreshed every 30 min

Target snapshot

Placebo to V503 (Placebo to V503) — Merck Sharp & Dohme LLC. V503 is a therapeutic vaccine candidate designed to stimulate immune responses against human papillomavirus (HPV) types associated with cervical and other cancers.

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
Placebo to V503 TARGET	Placebo to V503	Merck Sharp & Dohme LLC	phase 3	Therapeutic vaccine	Human papillomavirus (HPV) antigens
Mycobacterium Vaccae for Injection	Mycobacterium Vaccae for Injection	Anhui Zhifei Longcom Biologic Pharmacy Co., Ltd.	marketed	Immunotherapeutic vaccine
HD Vaccine	HD Vaccine	Insight Therapeutics, LLC	marketed	Therapeutic vaccine	Huntingtin protein (HTT)
Tat	Tat	Barbara Ensoli, MD	marketed	Therapeutic vaccine	HIV Tat protein
TEP	TEP	Immungenetics AG	marketed	Therapeutic vaccine
Cervavac as three dose regimen	Cervavac as three dose regimen	Serum Institute of India Pvt. Ltd.	phase 3	Therapeutic vaccine	HPV16 and HPV18 antigens
Hepavax-Gene	Hepavax-Gene	Chiang Mai University	phase 3	Therapeutic vaccine	Hepatitis B virus antigens

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 (Therapeutic vaccine class)

Immunitor LLC · 3 drugs in this class
GlaxoSmithKline · 2 drugs in this class
Henogen · 2 drugs in this class
SK Chemicals Co., Ltd. · 2 drugs in this class
Merck Sharp & Dohme LLC · 2 drugs in this class
Cytos Biotechnology AG · 2 drugs in this class
Clinical Research Organization, Dhaka, Bangladesh · 1 drug in this class
Barbara Ensoli, MD · 1 drug in this class
Green Cross Corporation · 1 drug in this class
Chiang Mai University · 1 drug in this class

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Cite this brief

Drug Landscape (2026). Placebo to V503 — Competitive Intelligence Brief. https://druglandscape.com/ci/placebo-to-v503. Accessed 2026-05-16.

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