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Last reviewed 2026-06-10 · How we verify

Essential thrombocythemia (ET) in adult patients who are refractory or resistant to other therapies — Treatment Landscape & Competitive Intelligence

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

Essential thrombocythemia (ET) in adult patients who are refractory or resistant to other therapies (disease) competitive landscape: 1 marketed treatments tracked, 0 Phase 3 candidates, 0 Phase 2 candidates. Recent regulatory actions and upcoming PDUFA dates across the entire treatment set.

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

Marketed treatment landscape

Approved drugs treating Essential thrombocythemia (ET) in adult patients who are refractory or resistant to other therapies, deduplicated by molecule. See the full disease page for line-of-therapy detail.

Drug	Generic	Sponsor	Class	Target	Line of therapy	First approval
6-tioguanine+Standard Maintenance Therapy	6-tioguanine-standard-maintenance-therapy	Pfizer	purine analog	DNA replication

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

Pfizer · 1 drug in Essential thrombocythemia (ET) in adult patients who are refractory or resistant to other therapies

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Every new regulatory action, PDUFA date, or trial completion in Essential thrombocythemia (ET) in adult patients who are refractory or resistant to other therapies:

Cite this brief

Drug Landscape (2026). Essential thrombocythemia (ET) in adult patients who are refractory or resistant to other therapies — Treatment Landscape & Competitive Intelligence Brief. https://druglandscape.com/ci/disease/essential-thrombocythemia-et-in-adult-patients-who-are-refractory-or-resistant-to-other-therapies. Accessed 2026-06-10.

Essential thrombocythemia (ET) in adult patients who are refractory or resistant to other therapies full disease profile — treatment pathway, diagnostics, guidelines
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Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing