Who are Isoniazid Oral Product's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Ethambutol (E), Preventive treatment with Isoniazid, INH preventive therapy, Clofazimine Oral Product, Delamanid + OBR.

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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 2026-05-17 · How we verify

Isoniazid Oral Product — Competitive Intelligence Brief

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

Isoniazid Oral Product (Isoniazid Oral Product) competitive landscape: 5 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Antimycobacterial agent. Area: Infectious Disease.

phase 3 Antimycobacterial agent Enoyl-ACP reductase (InhA), Catalase-peroxidase (KatG) Infectious Disease Small molecule Live · refreshed every 30 min

Target snapshot

Isoniazid Oral Product (Isoniazid Oral Product) — Wits Health Consortium (Pty) Ltd. Isoniazid inhibits mycobacterial cell wall synthesis by blocking mycolic acid production, which is essential for Mycobacterium tuberculosis survival.

Comparator set (5 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
Isoniazid Oral Product TARGET	Isoniazid Oral Product	Wits Health Consortium (Pty) Ltd	phase 3	Antimycobacterial agent	Enoyl-ACP reductase (InhA), Catalase-peroxidase (KatG)
Ethambutol (E)	Ethambutol (E)	University College, London	marketed	Antimycobacterial agent	Arabinosyl transferases (EmbA, EmbB, EmbC)
Preventive treatment with Isoniazid	Preventive treatment with Isoniazid	Hospital Universitari de Bellvitge	marketed	Antimycobacterial agent	InhA (enoyl-ACP reductase); KatG (catalase-peroxidase)
INH preventive therapy	INH preventive therapy	Johns Hopkins University	marketed	Antimycobacterial agent	InhA (enoyl-ACP reductase)
Clofazimine Oral Product	Clofazimine Oral Product	Wits Health Consortium (Pty) Ltd	phase 3	Antimycobacterial agent	Mycobacterial DNA; reactive oxygen species generation
Delamanid + OBR	Delamanid + OBR	Otsuka Pharmaceutical Development & Commercialization, Inc.	phase 3	Nitro-imidazole antimycobacterial agent	Mycolic acid biosynthesis pathway (mycobacterial cell wall)

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 (Antimycobacterial agent class)

Wits Health Consortium (Pty) Ltd · 2 drugs in this class
Hospital Universitari de Bellvitge · 1 drug in this class
Johns Hopkins University · 1 drug in this class
University College, London · 1 drug in this class

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Cite this brief

Drug Landscape (2026). Isoniazid Oral Product — Competitive Intelligence Brief. https://druglandscape.com/ci/isoniazid-oral-product. Accessed 2026-05-17.

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