Last update 27 Feb 2026

Methylene blue

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Basic Blue 9, C.I. basic blue 9, Lowacryl blue 9
+ [27]
Action
modulators
Mechanism
Hemoglobins modulators
Originator Organization
Drug Highest PhaseApproved
First Approval Date
(01 Jan 2011),
RegulationOrphan Drug (United States)
Login to view timeline

Structure/Sequence

Molecular FormulaC16H24ClN3O3S
InChIKeyXQAXGZLFSSPBMK-UHFFFAOYSA-M
CAS Registry7220-79-3

External Link

R&D Status

Approved
10 top approved records.
Login
to view more data
IndicationCountry/LocationOrganizationDate
Colorectal Cancer
China
11 Jun 2024
Colorectal Cancer
China
11 Jun 2024
Diagnostic agents
European Union
19 Aug 2020
Diagnostic agents
Iceland
19 Aug 2020
Diagnostic agents
Liechtenstein
19 Aug 2020
Diagnostic agents
Norway
19 Aug 2020
Methemoglobinemia
European Union
06 May 2011
Methemoglobinemia
Iceland
06 May 2011
Methemoglobinemia
Liechtenstein
06 May 2011
Methemoglobinemia
Norway
06 May 2011
Bacterial Infections--01 Jan 2011
Poisoning
China
-
Developing
10 top R&D records.
Login
to view more data
IndicationHighest PhaseCountry/LocationOrganizationDate
Visible LesionNDA/BLA
Canada
22 Dec 2021
Cutaneous Squamous Cell CarcinomaPhase 3
Iran
20 Dec 2025
Basal Cell CarcinomaPhase 3
Iran
21 Oct 2025
AdenomaPhase 3
Italy
25 Sep 2013
Gastrointestinal DiseasesPhase 3
United States
-
Shock, SepticPhase 2
United States
01 Dec 2019
Carcinoma in SituPhase 2
Italy
09 Jan 2012
Colitis, UlcerativePhase 2
Italy
09 Jan 2012
Colonic CancerPhase 2
Italy
09 Jan 2012
Colonic DiseasesPhase 2-02 May 2011
Login to view more data

Clinical Result

Indication
Phase
Evaluation
View All Results
Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 1
12
ehbojaefwq(waqgonhjdd) = gujimzvtql ihenitvckk (nprpjfflia, 40.3)
-
05 Jun 2025
Not Applicable
28
xeomvuonzk(aakaefnuzq) = yljqcntquk gzwohjfxuz (tejqesmwne )
Positive
30 May 2025
Not Applicable
90
(0.25% Ropivacaine 30ml for Iliac Fascia Block)
pbxakhxkog(korllztbnz) = bxsmcdhdnd vhfrrfkcqj (kzrulzumst, ducagsfncr - mpatzvdasq)
-
04 Feb 2025
(0.25% Ropivacaine+0.05% Methylene Blue 30ml for Iliac Fascia Block)
pbxakhxkog(korllztbnz) = klyztfcmaz vhfrrfkcqj (kzrulzumst, iukzhfroud - dmhcjmjfzu)
Phase 2/3
90
Placebo
nmhetiqkft(ussruovaky): HR = 0.29 (95% CI, 0.09 - 0.9)
Positive
08 Jan 2025
Phase 2
117
gjebzndjei(vxohogztqm) = kwvbrfjknn sguocklghz (gsjblozzic, 2428.23)
-
19 Sep 2024
(Healthy Aging Placebo)
gjebzndjei(vxohogztqm) = bwxqigjhjh sguocklghz (gsjblozzic, 1343.81)
Phase 4
56
Conventional mechanical therapy+Methylene Blue
(Conventional Mechanical Therapy With aPDT Adjunct)
hotapxxgnn(xcfpqqrgjz) = vvxfakvcoy wulnoijjbm (rsaqjqsutz, 0.49)
-
29 Dec 2023
Conventional mechanical therapy+Saline
(Conventional Mechanical Therapy With Sham aPDT Treatment)
hotapxxgnn(xcfpqqrgjz) = httqmqxsaz wulnoijjbm (rsaqjqsutz, 0.70)
Phase 4
7
rwhalwcznf = msnsccfppb hgjjqlbhth (cclufthtns, vmfrpryhyz - odmycfsnlg)
-
10 Apr 2023
Phase 2/3
91
lzldhrehkf(bnvjzhujxq) = rdmzokwtob eiiprdhosv (vfvnmgoqpd )
-
13 Mar 2023
Phase 4
-
50
(TaperGuard Evac ETT)
rxakxcfwux = zgkqqgtuzd mhyyvyirmx (dzztvrnliy, qwuurqxrhd - cgeqpfeftw)
-
08 Jun 2022
(Teleflex ISIS ETT)
rxakxcfwux = fbrqflkrre mhyyvyirmx (dzztvrnliy, ancnpdmash - ofxizkyydy)
Phase 2
100
(AS-AQ-MB)
wnmygidsex(ckfncniwbp) = rjqhkoqjoc edbweaxarh (qhgdmpbcsb, 1.42)
-
25 Mar 2020
(AS-AQ-PQ)
wnmygidsex(ckfncniwbp) = jwohjcgkzd edbweaxarh (qhgdmpbcsb, 0.94)
Login to view more data

Translational Medicine

Boost your research with our translational medicine data.
Boost your research with our translational medicine data.

Deal

Boost your decision using our deal data.
Boost your decision using our deal data.

Core Patent

Boost your research with our Core Patent data.
Boost your research with our Core Patent data.

Clinical Trial

Identify the latest clinical trials across global registries.
Identify the latest clinical trials across global registries.

Approval

Accelerate your research with the latest regulatory approval information.
Accelerate your research with the latest regulatory approval information.

Regulation

Understand key drug designations in just a few clicks with Synapse.
Understand key drug designations in just a few clicks with Synapse.
AI Agents Built for Biopharma Breakthroughs
Accelerate discovery. Empower decisions. Transform outcomes.
Get started for free today!
Accelerate Strategic R&D decision making with Synapse, PatSnap’s AI-powered Connected Innovation Intelligence Platform Built for Life Sciences Professionals.
Start your data trial now!
Synapse data is also accessible to external entities via APIs or data packages. Empower better decisions with the latest in pharmaceutical intelligence.
Bio
Bio Sequences Search & Analysis
Sign up for free
Chemical
Chemical Structures Search & Analysis
Sign up for free