Saturday, July 11, 2026

Drug profile · INN

methylthioninium chloride

methylthioninium chloride (METHYLTHIONINIUM CHLORIDE PROVEBLUE) is a soluble guanylate cyclase inhibitor.

EMA: approved Various (V03) V03AB17
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Drug details — methylthioninium chloride
Class
Various (V03)
Route
Patents
0
Programs
0
Data quality
0.83

Quick answer

methylthioninium chloride (METHYLTHIONINIUM CHLORIDE PROVEBLUE) is a soluble guanylate cyclase inhibitor.

Key facts

INN methylthioninium chloride
Brand METHYLTHIONINIUM CHLORIDE PROVEBLUE
Mechanism Soluble guanylate cyclase inhibitor
Target Soluble guanylate cyclase
Therapeutic class Various (V03)
ATC code V03AB17

Mechanism of action

Soluble guanylate cyclase inhibitor

Primary target: Soluble guanylate cyclase

Approval history

Authority Status Date
EMA approved

Related & competitor drugs

  1. besilesomab Various (V09)
  2. deferasirox Various (V03)
  3. ferric citrate coordination complex Various (V03)
  4. folic acid Various (V04)
  5. isosorbide dinitrate Soluble guanylate cyclase activator
  6. isosorbide mononitrate Soluble guanylate cyclase activator

Frequently asked questions

What is methylthioninium chloride?

methylthioninium chloride (METHYLTHIONINIUM CHLORIDE PROVEBLUE) is a soluble guanylate cyclase inhibitor.

What is the brand name for methylthioninium chloride?

METHYLTHIONINIUM CHLORIDE PROVEBLUE is a marketed brand name for methylthioninium chloride. Check FDA Drugs@FDA for the current US label holder and prescribing information.