Last reviewed · How we verify

Tolsura

Hong Nguyen · discontinued Small molecule ✓ Verified May 2026

Tolsura is a Small molecule drug developed by Hong Nguyen. It is currently in discontinued development.

Tolacitinib (SAR443820) is being studied in clinical trials for conditions such as Amyotrophic Lateral Sclerosis and Chronic Graft-versus-host-disease. It is also being tested in combination with other medications, including Erythromycin ethyl succinate and Itraconazole, to assess potential interactions.

At a glance

Generic nameTolsura
SponsorHong Nguyen
ModalitySmall molecule
Therapeutic areaOther
Phasediscontinued

Approved indications

No approved indications tracked.

Boxed warnings

Common side effects

No common side effects on file.

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

Competitive intelligence

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Frequently asked questions about Tolsura

What is Tolsura?

Tolsura is a Small molecule drug developed by Hong Nguyen.

Who makes Tolsura?

Tolsura is developed by Hong Nguyen (see full Hong Nguyen pipeline at /company/hong-nguyen).

What development phase is Tolsura in?

Tolsura is in discontinued.

Related

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