> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/asset/methylene-blue-4807ddb0-8913-4cb3-bfc5-2071e0f95f6d
> Record changed: 2026-10-13

# Methylene blue

Highest phase reached

Approved

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL550495)

Drug type

Small molecule

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL550495)

First approval year

2016

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL550495)

## Development status

**First approval year**

2016

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL550495)

**Listing at source**

Listed

**Highest phase reached**

Approved

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL550495)

## Names and chemistry

**Drug type**

Small molecule

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL550495)

**Drug name**

Methylene blue

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL550495)

**Molecular weight**

373.91

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL550495)

**Structure (SMILES)**

CN(C)c1ccc2nc3ccc(=\[N+\](C)C)cc-3sc2c1.O.O.O.\[Cl-\]

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL550495)

### Brand names (2)

- provayblue
- Provayblue

### Other names (48)

- basic blue 9
- Basic blue 9
- basic blue 9 trihydrate
- Basic blue 9 trihydrate
- c i 52015
- c i basic blue 9
- c i basic blue 9 trihydrate
- C.I. 52015
- C.i. basic blue 9
- C.i. basic blue 9 trihydrate
- ci 52015
- CI 52015
- CI-52015
- intravenous methylene blue
- Intravenous Methylene blue
- lowacryl blue 9
- Lowacryl blue 9
- methylene blue
- Methylene blue
- Methylene Blue
- METHYLENE BLUE \[HPUS\]
- METHYLENE BLUE \[IARC\]
- METHYLENE BLUE \[II\]
- METHYLENE BLUE \[ORANGE BOOK\]
- METHYLENE BLUE \[USP MONOGRAPH\]

And 23 more, listed on the interactive page.

## Identifiers

**CAS registry numbers**

- 7220-79-3

**ChEMBL ID**

CHEMBL550495

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL550495)

**InChIKey**

XQAXGZLFSSPBMK-UHFFFAOYSA-M

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL550495)

**PubChem compound IDs**

- 104827

**RxNorm IDs (RxCUI)**

- 6878

**FDA ingredient codes (UNII)**

- T42P99266K

### ATC classification codes (2)

- V03AB17
- V04CG05

Sources for recorded values

Source: [mor.nlm.nih.gov](https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=6878)

## Regulatory information

### United States

**Applicant**

PROVEPHARM SAS

**Approval date**

8 Apr 2016

**Application number**

NDA204630

### Other regulatory facts

**Patents**

0

**Designations**

2

**Earliest recorded loss of exclusivity**

8 Jan 2027

**First in class**

No

**Fast track**

No

**Breakthrough designation**

No

**Orphan designation**

No

**Priority review**

No

**Orphan exclusivity**

No

**Accelerated approval**

No

**Availability**

Prescription only

**Boxed warning**

Yes

## Pharmacology

### Drug classification

#### Administration routes

- Parenteral

### Open Targets mechanisms

- **Mechanism**  
Soluble guanylate cyclase inhibitor

**Action type**  
Inhibitor

**Target**  
Soluble guanylate cyclase

### Investigated indications (15)

- **Condition**  
Wounds and Injuries

**Highest recorded phase**  
2

**Condition identifier**  
EFO:0000546

**Subject identifier**  
D014947
- **Condition**  
Severe Acute Respiratory Syndrome

**Highest recorded phase**  
2

**Condition identifier**  
EFO:0000694

**Subject identifier**  
D045169
- **Condition**  
Malaria

**Highest recorded phase**  
2

**Condition identifier**  
EFO:0001068

**Subject identifier**  
D008288
- **Condition**  
Stress Disorders, Post-Traumatic

**Highest recorded phase**  
2

**Condition identifier**  
EFO:0001358

**Subject identifier**  
D013313
- **Condition**  
Abscess

**Highest recorded phase**  
2

**Condition identifier**  
EFO:0003030

**Subject identifier**  
D000038
- **Condition**  
Urinary Tract Infections

**Highest recorded phase**  
4

**Condition identifier**  
EFO:0003103

**Subject identifier**  
D014552
- **Condition**  
Dysuria

**Highest recorded phase**  
3

**Condition identifier**  
EFO:0003901

**Subject identifier**  
D053159
- **Condition**  
Shock, Septic

**Highest recorded phase**  
3

**Condition identifier**  
EFO:0006834

**Subject identifier**  
D012772
- **Condition**  
Glucosephosphate Dehydrogenase Deficiency

**Highest recorded phase**  
1

**Condition identifier**  
EFO:0007287

**Subject identifier**  
D005955
- **Condition**  
Malaria, Falciparum

**Highest recorded phase**  
2

**Condition identifier**  
EFO:0007444

**Subject identifier**  
D016778
- **Condition**  
Tooth Diseases

**Highest recorded phase**  
2

**Condition identifier**  
EFO:1001216

**Subject identifier**  
D014076
- **Condition**  
Jaundice

**Highest recorded phase**  
1

**Condition identifier**  
HP:0000952

**Subject identifier**  
D007565
- **Condition**  
Sepsis

**Highest recorded phase**  
1

**Condition identifier**  
HP:0100806

**Subject identifier**  
D018805
- **Condition**  
Bipolar Disorder

**Highest recorded phase**  
3

**Condition identifier**  
MONDO:0004985

**Subject identifier**  
D001714
- **Condition**  
Severe Acute Respiratory Syndrome

**Highest recorded phase**  
2

**Condition identifier**  
MONDO:0100096

**Subject identifier**  
D045169

### Open Targets indications (53)

- **Condition identifier**  
EFO\_0000546

**Highest recorded phase**  
2
- **Condition identifier**  
EFO\_0000694

**Highest recorded phase**  
1
- **Condition identifier**  
EFO\_0001068

**Highest recorded phase**  
2
- **Condition identifier**  
EFO\_0001358

**Highest recorded phase**  
2
- **Condition identifier**  
EFO\_0003030

**Highest recorded phase**  
2
- **Condition identifier**  
EFO\_0003103
- **Condition identifier**  
EFO\_0003901

**Highest recorded phase**  
3
- **Condition identifier**  
EFO\_0005762
- **Condition identifier**  
EFO\_0006834

**Highest recorded phase**  
3
- **Condition identifier**  
EFO\_0007287

**Highest recorded phase**  
1
- **Condition identifier**  
EFO\_0007444

**Highest recorded phase**  
2
- **Condition identifier**  
EFO\_0008506
- **Condition identifier**  
EFO\_0009954
- **Condition identifier**  
EFO\_1001068
- **Condition identifier**  
EFO\_1001216

**Highest recorded phase**  
2
- **Condition identifier**  
EFO\_1001459

**Highest recorded phase**  
1
- **Condition identifier**  
EFO\_1001839
- **Condition identifier**  
HP\_0000739

**Highest recorded phase**  
3
- **Condition identifier**  
HP\_0000789
- **Condition identifier**  
HP\_0001945

**Highest recorded phase**  
2
- **Condition identifier**  
HP\_0002018

**Highest recorded phase**  
2
- **Condition identifier**  
HP\_0002027

**Highest recorded phase**  
2
- **Condition identifier**  
HP\_0100543

**Highest recorded phase**  
1
- **Condition identifier**  
HP\_0100806

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0001117

And 28 more, listed on the interactive page.

### Warnings

- **Warning**  
Black Box Warning

### Open Targets warnings

- **Warning**  
Black Box Warning

**Country**  
United States

### Reported adverse events (92)

- **Event**  
agitation

**Reports**  
21

**Reporting signal score**

33.2931
- **Event**  
alkalosis

**Reports**  
2

**Reporting signal score**

8.52146
- **Event**  
amniotic cavity infection

**Reports**  
2

**Reporting signal score**

6.96562
- **Event**  
amylase increased

**Reports**  
7

**Reporting signal score**

22.0506
- **Event**  
anaphylactic reaction

**Reports**  
10

**Reporting signal score**

9.73468
- **Event**  
anaphylactic shock

**Reports**  
8

**Reporting signal score**

12.6089
- **Event**  
aphasia

**Reports**  
7

**Reporting signal score**

9.97171
- **Event**  
blindness cortical

**Reports**  
2

**Reporting signal score**

7.63205
- **Event**  
blood creatine phosphokinase increased

**Reports**  
11

**Reporting signal score**

15.2091
- **Event**  
blood lactate dehydrogenase increased

**Reports**  
7

**Reporting signal score**

12.2934
- **Event**  
blood phosphorus increased

**Reports**  
3

**Reporting signal score**

8.86699
- **Event**  
blood potassium increased

**Reports**  
8

**Reporting signal score**

17.4968
- **Event**  
bradycardia

**Reports**  
12

**Reporting signal score**

11.7685
- **Event**  
brain injury

**Reports**  
3

**Reporting signal score**

7.13051
- **Event**  
bundle branch block right

**Reports**  
4

**Reporting signal score**

9.39267
- **Event**  
cardiac arrest

**Reports**  
10

**Reporting signal score**

15.7183
- **Event**  
cardiogenic shock

**Reports**  
12

**Reporting signal score**

33.2425
- **Event**  
chromaturia

**Reports**  
15

**Reporting signal score**

38.8943
- **Event**  
clonus

**Reports**  
11

**Reporting signal score**

42.4813
- **Event**  
coma

**Reports**  
8

**Reporting signal score**

8.76078
- **Event**  
coma scale abnormal

**Reports**  
7

**Reporting signal score**

21.9261
- **Event**  
compartment syndrome

**Reports**  
5

**Reporting signal score**

15.5031
- **Event**  
confusion postoperative

**Reports**  
2

**Reporting signal score**

10.5551
- **Event**  
confusional state

**Reports**  
27

**Reporting signal score**

33.1171
- **Event**  
cyanosis central

**Reports**  
4

**Reporting signal score**

20.7614

And 67 more, listed on the interactive page.

### Trial references (25)

- NCT00159510  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00159510)
- NCT00214877  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00214877)
- NCT00354380  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00354380)
- NCT00545935  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00545935)
- NCT00917202  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00917202)
- NCT02831023  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT02831023)
- NCT01188694  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT01188694)
- NCT01407887  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT01407887)
- NCT02851108  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT02851108)
- NCT01657448  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT01657448)
- NCT01668433  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT01668433)
- NCT02240498  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT02240498)
- NCT06052956  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06052956)
- NCT02555488  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT02555488)
- NCT03177070  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT03177070)
- NCT03379389  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT03379389)
- NCT04089072  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04089072)
- NCT04295993  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04295993)
- NCT04446871  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04446871)
- NCT04109859  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04109859)
- NCT04370288  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04370288)
- NCT04635605  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04635605)
- NCT04933864  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04933864)
- NCT05004805  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05004805)
- NCT04619290  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04619290)

## Dosing

**Dose**

1 mg/kg

**Route**

Intravenous

**How often**

Every 1 hour as needed, up to 2 doses

### Conditions of use (4)

- Dilute in 50 mL 5% Dextrose Injection before use
- Do not administer subcutaneously
- Inspect for particulate matter and discoloration
- Use immediately after preparation

## Chemical properties

**Hydrogen bond acceptors**

3

**Hydrogen bond donors**

0

**Polar surface area**

19.14

**Calculated partition coefficient (ALogP)**

2.5

**Prodrug**

Yes

**Chirality**

Achiral

**Inorganic**

No

**Rule-of-five violations**

0

**Rotatable bonds**

1

**Heavy atoms**

24

**Molecular formula**

C16H24ClN3O3S

**Monoisotopic mass**

373.1226905

**Natural product**

No

## National Drug Codes

- 0037-6321
- 0143-9094
- 0178-0745
- 0485-0151
- 0517-0125
- 0517-0371
- 0517-0374
- 0517-0381
- 12539-144
- 14789-119
- 15243-344
- 28595-224
- 28595-299
- 54288-147
- 54288-159
- 58657-456
- 68462-698
- 70700-328
- 71288-811
- 82432-104
- 82449-002
- 82449-003
- 70121-2715
- 70121-2716
- 70710-1837

And 5 more, listed on the interactive page.

## Evidence counts

**Recorded assays**

667

**Active assays**

277

### Active assay types (3)

- Confirmatory
- Other
- Summary

## Biological measurements

### Observed measurements

#### Solubility

**Median**

53,400,000

**Mean**

53,400,000

**Minimum**

53,400,000

**Maximum**

53,400,000

**Unit**

nM

**Assays**

1

**Standard deviation**

0

**Summary method**

median

**Censored results excluded**

0

**Other units excluded**

0

**Unknown units excluded**

0

#### Measurement types

- Solubility

## Related records

### Trials (82)

- 3D Printing for Nodule Localization
- A French Observational Study of Indocyanine Green for Patients With Breast Cancer Having a Sentinel Lymph Node Biopsy.
- A Phase 2 Study of Methylene Blue Photodynamic Therapy for Treatment of Breast Abscesses
- Acquired Methemoglobinemia Observational Registry
- Adjunctive Methylene Blue for Immunotherapy-related CRS and ICANS: Phase I Study
- Adjunctive Methylene Blue in Septic Shock
- Antimicrobial Photodynamic Therapy as an Adjunct Treatment for Periodontal Disease in Down's Syndrome Patients
- Application of Surgical Navigation System in Sentinel Lymph Node of Breast Cancer Research
- Clinical and Microbiologic Outcomes of aPDT in the Non-surgical Treatment of Implant Inflammation
- Clinical Application of Methylene Blue for Treatment of Covid-19 Patients
- Clinical Study of Methylene Blue - Mediated Photodynamic Therapy for Diabetic Lower Limb Ulcer
- Comparing the Antibacterial Effect of 810 nm Diode Laser and Photodynamic Therapy
- Comparison Between Two Techniques During Thyroidectomy (Conventional Dissection Technique and Injection of Methylene Blue Dye Into Inferior Thyroid Artery Technique) Regarding Recurrent Laryngeal Nerve Identification and Preservation
- COVID-19 Methylene Blue Antiviral Treatment
- COVID-19 Treatment Using Methylene Blue and Photodynamic Therapy
- Dose Parameters for Photodynamic Therapy on Periodontal Disease
- Early Methylene Blue in the Microhemodynamics of Septic Patients
- Effect of Methylene Blue on Perioperative Organ Function in Patients With Obstructive Jaundice
- Effects of Methylene Blue in Healthy Aging, Mild Cognitive Impairment and Alzheimer's Disease
- Effects of USP Methylene Blue on Cognitive and fMRI Brain Activity

### Approved for (1)

- [Urinary tract infection](https://trialight.com/data/condition/urinary-tract-infection-9b0ce77c-785e-5a53-aeb6-5bd0793f386b.md)

### In development for (12)

- Abscess Phase 2
- Bipolar disorder Phase 3
- [Colorectal cancer](https://trialight.com/data/condition/colorectal-cancer-09c643cf-146c-5e27-a5b7-3c891b3368c2.md) Phase 3
- [COVID-19](https://trialight.com/data/condition/covid-19-13f0ebf3-c291-557d-bdef-93563d077103.md) Phase 2
- G6PD deficiency Phase 1
- Injury Phase 2
- [Malaria](https://trialight.com/data/condition/malaria-54828cac-9b96-5833-93e2-e012d4505853.md) Phase 2
- [Plasmodium falciparum malaria](https://trialight.com/data/condition/plasmodium-falciparum-malaria-5e0103dd-4e60-581d-924b-3435883b51f8.md) Phase 2
- Post-traumatic stress disorder Phase 2
- [Severe acute respiratory syndrome](https://trialight.com/data/condition/severe-acute-respiratory-syndrome-7654d02a-f750-52a0-bec2-afe3b4b3c224.md) Phase 2
- Tooth disorder Phase 2
- Toxic shock syndrome Phase 3

### Other linked conditions (5)

- [Breast cancer](https://trialight.com/data/condition/breast-cancer-8ac10da3-93bd-54c5-a93b-265bc6699689.md)
- Drug-induced methemoglobinemia
- Hyperparathyroidism
- Obstructive jaundice
- Periodontal disorder

---

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