Who are Zelnorm's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Mexitil, Forane, Amoxil, Nalidixate, Cital, Fenazoxine.

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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Subscribe to /feed/ci/tegaserod.xml in any RSS reader (Feedly, Inoreader, NewsBlur). Every regulatory action, trial readout, or patent event lands in your feed automatically.

Last reviewed 2026-05-13 · How we verify

Zelnorm — Competitive Intelligence Brief

Zelnorm (TEGASEROD) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Serotonin-4 Receptor Agonist. Area: Metabolic.

marketed Serotonin-4 Receptor Agonist 5-hydroxytryptamine receptor 2B Metabolic Small molecule Live · refreshed every 30 min

Target snapshot

Zelnorm (TEGASEROD).

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
Zelnorm TARGET	TEGASEROD		marketed	Serotonin-4 Receptor Agonist	5-hydroxytryptamine receptor 2B	2002-01-01
Mexitil	MEXILETINE	Boehringer Ingelheim	marketed	Antiarrhythmic	5-hydroxytryptamine receptor 2B	1985-01-01
Forane	ISOFLURANE	Baxter	marketed	General Anesthetic [EPC]	5-hydroxytryptamine receptor 2B	1979-01-01
Amoxil	amoxicillin	Generic (originally Beecham/GSK)	marketed	Aminopenicillin (Beta-lactam antibiotic)	5-hydroxytryptamine receptor 2A, 5-hydroxytryptamine receptor 2B, 5-hydroxytryptamine receptor 2C	1972-01-01
Nalidixate	NALIDIXIC ACID		marketed	nalidixic acid	5-hydroxytryptamine receptor 2B	1964-01-01
Cital	Cital	Ain Shams University	marketed		Solute carrier family 22 member 1, 5-hydroxytryptamine receptor 2A, 5-hydroxytryptamine receptor 2B
Fenazoxine	NEFOPAM		marketed	nefopam	5-hydroxytryptamine receptor 2A, 5-hydroxytryptamine receptor 2B, 5-hydroxytryptamine receptor 2C

Recent regulatory actions (last 90 days)

2026-03-23 — Mexitil · FDA · approved · US · Boehringer Ingelheim

Upcoming PDUFA dates (next 180 days)

No PDUFA dates in the next 180 days for this set.

Patent timeline (forward window)

2026-12-08 — Amoxil · 8778924 · Compound · US
2026-12-08 — Amoxil · 8357394 · Formulation · US
2027-05-07 — Amoxil · 8299052 · Method of Use · US

Sponsor landscape (Serotonin-4 Receptor Agonist class)

· 1 drug in this class

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Cite this brief

Drug Landscape (2026). Zelnorm — Competitive Intelligence Brief. https://druglandscape.com/ci/tegaserod. Accessed 2026-05-13.

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