How many drugs treat Hypothyroidism?

Drug Landscape tracks 7 marketed treatments for Hypothyroidism (deduplicated by molecule). 0 Phase 3 candidates and 0 Phase 2 candidates are in the pipeline.

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Last reviewed 2026-06-10 · How we verify

Hypothyroidism — Treatment Landscape & Competitive Intelligence

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

Hypothyroidism (disease) competitive landscape: 7 marketed treatments tracked, 0 Phase 3 candidates, 0 Phase 2 candidates. Recent regulatory actions and upcoming PDUFA dates across the entire treatment set.

7 marketed 0 Phase 3 0 Phase 2 Live · 30-min refresh

Marketed treatment landscape

Approved drugs treating Hypothyroidism, deduplicated by molecule. See the full disease page for line-of-therapy detail.

Drug	Generic	Sponsor	Class	Target	First approval
Synthroid	levothyroxine	Generic (originally multiple — AbbVie/Synthroid)	Thyroid hormone	THAP domain-containing protein 1, Macrophage migration inhibitory factor, Malate dehydrogenase, mitochondrial	2002-08-13
Unithroid	LEVOTHYROXINE SODIUM	Fresenius Kabi	l-Thyroxine	Thyroid hormone receptor beta	2000-01-01
Triostat	LIOTHYRONINE	Pfizer	l-Triiodothyronine	Thyroid hormone receptor alpha	1956-01-01
Triiodothyronine	Triiodothyronine	Northwell Health		THAP domain-containing protein 1, Cytochrome P450 2C9, Proliferating cell nuclear antigen
Thyroxine	Thyroxine	Cancer Institute and Hospital, Chinese Academy of Medical Sciences		THAP domain-containing protein 1, Macrophage migration inhibitory factor, Malate dehydrogenase, mitochondrial
levothyroxin	levothyroxin	Ain Shams University		THAP domain-containing protein 1, Macrophage migration inhibitory factor, Malate dehydrogenase, mitochondrial
Cytomel	Liothyronine Sodium	Pfizer Inc.	Thyroid hormone replacement	Thyroid receptor proteins attached to DNA

Phase 3 pipeline

No Phase 3 pipeline candidates tracked.

Phase 2 pipeline

No Phase 2 pipeline candidates tracked.

Recent regulatory actions (last 90 days)

No regulatory actions in the last 90 days for this treatment set.

Upcoming PDUFA dates (next 180 days)

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

Sponsor landscape

Ain Shams University · 1 drug in Hypothyroidism
Cancer Institute and Hospital, Chinese Academy of Medical Sciences · 1 drug in Hypothyroidism
Fresenius Kabi · 1 drug in Hypothyroidism
Generic (originally multiple — AbbVie/Synthroid) · 1 drug in Hypothyroidism
Northwell Health · 1 drug in Hypothyroidism
Pfizer · 1 drug in Hypothyroidism
Pfizer Inc. · 1 drug in Hypothyroidism

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Cite this brief

Drug Landscape (2026). Hypothyroidism — Treatment Landscape & Competitive Intelligence Brief. https://druglandscape.com/ci/disease/hypothyroidism. Accessed 2026-06-10.

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