> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/asset/osimertinib-mesylate-1174023a-e2bd-4773-ad07-2566cbd51026
> Record changed: 2026-10-13

# Osimertinib mesylate

Highest phase reached

Approved

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL3545063)

Drug type

Small molecule

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL3545063)

First approval year

2015

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL3545063)

## Development status

**First approval year**

2015

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL3545063)

**Listing at source**

Listed

**Highest phase reached**

Approved

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL3545063)

## Names and chemistry

**Drug type**

Small molecule

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL3545063)

**Drug name**

Osimertinib mesylate

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL3545063)

**Molecular weight**

595.73

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL3545063)

**Structure (SMILES)**

C=CC(=O)Nc1cc(Nc2nccc(-c3cn(C)c4ccccc34)n2)c(OC)cc1N(C)CCN(C)C.CS(=O)(=O)O

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL3545063)

### Brand names (2)

- tagrisso
- Tagrisso

### Other names (22)

- azd 9291 mesylate
- AZD-9291 MESYLATE
- azd9291 mesylate
- AZD9291 mesylate
- mereletinib mesilate
- Mereletinib mesilate
- mereletinib mesylate
- Mereletinib mesylate
- osimertinib mesilate
- Osimertinib mesilate
- OSIMERTINIB MESILATE \[JAN\]
- Osimertinib mesilate \[WHO-DD\]
- osimertinib mesilate jan
- osimertinib mesilate who dd
- osimertinib mesylate
- Osimertinib mesylate
- OSIMERTINIB MESYLATE \[MI\]
- OSIMERTINIB MESYLATE \[ORANGE BOOK\]
- OSIMERTINIB MESYLATE \[USAN\]
- osimertinib mesylate mi
- osimertinib mesylate orange book
- osimertinib mesylate usan

## Identifiers

**CAS registry numbers**

- 1421373-66-1

**ChEMBL ID**

CHEMBL3545063

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL3545063)

**InChIKey**

FUKSNUHSJBTCFJ-UHFFFAOYSA-N

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL3545063)

**PubChem compound IDs**

- 78357807

**RxNorm IDs (RxCUI)**

- 1721559

**FDA ingredient codes (UNII)**

- RDL94R2A16

## Regulatory information

### United States

**Applicant**

ASTRAZENECA

**Approval date**

13 Nov 2015

**Application number**

NDA208065

### Other regulatory facts

**Patents**

5

**Designations**

0

**Earliest recorded loss of exclusivity**

26 Nov 2042

**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

## Pharmacology

### Drug classification

**Drug name stem**

\-tinib

#### Administration routes

- Oral

### Mechanisms of action

- **Mechanism**  
Epidermal growth factor receptor erbB1 inhibitor

**Action type**  
Inhibitor

**Target**  
Epidermal growth factor receptor

**Protein identifier**  
P00533

### Open Targets mechanisms

- **Mechanism**  
Epidermal growth factor receptor erbB1 inhibitor

**Action type**  
Inhibitor

**Target**  
Epidermal growth factor receptor

### Investigated indications (2)

- **Condition**  
Carcinoma, Non-Small-Cell Lung

**Highest recorded phase**  
4

**Condition identifier**  
EFO:0003060

**Subject identifier**  
D002289
- **Condition**  
Lung Neoplasms

**Highest recorded phase**  
1

**Condition identifier**  
MONDO:0008903

**Subject identifier**  
D008175

### Open Targets indications (3)

- **Condition identifier**  
EFO\_0003060
- **Condition identifier**  
MONDO\_0005233

**Highest recorded phase**  
4
- **Condition identifier**  
MONDO\_0008903

### Reported adverse events (33)

- **Event**  
acquired gene mutation

**Reports**  
182

**Reporting signal score**

943.259
- **Event**  
decreased appetite

**Reports**  
129

**Reporting signal score**

68.8584
- **Event**  
dermatitis acneiform

**Reports**  
41

**Reporting signal score**

94.3823
- **Event**  
diarrhoea

**Reports**  
254

**Reporting signal score**

50.9625
- **Event**  
disease progression

**Reports**  
110

**Reporting signal score**

83.8677
- **Event**  
drug resistance

**Reports**  
397

**Reporting signal score**  
1,211.11
- **Event**  
egfr gene mutation

**Reports**  
37

**Reporting signal score**

174.104
- **Event**  
ejection fraction decreased

**Reports**  
35

**Reporting signal score**

39.9131
- **Event**  
electrocardiogram qt prolonged

**Reports**  
73

**Reporting signal score**

71.5471
- **Event**  
erythema multiforme

**Reports**  
38

**Reporting signal score**

55.5452
- **Event**  
gene mutation

**Reports**  
16

**Reporting signal score**

40.0445
- **Event**  
headache

**Reports**  
28

**Reporting signal score**

46.6156
- **Event**  
hepatic function abnormal

**Reports**  
97

**Reporting signal score**

130.724
- **Event**  
interstitial lung disease

**Reports**  
187

**Reporting signal score**

323.856
- **Event**  
liver disorder

**Reports**  
59

**Reporting signal score**

55.7218
- **Event**  
lung disorder

**Reports**  
79

**Reporting signal score**

104.878
- **Event**  
lymphangiosis carcinomatosa

**Reports**  
19

**Reporting signal score**

66.8498
- **Event**  
malignant neoplasm progression

**Reports**  
618

**Reporting signal score**  
1,703.92
- **Event**  
malignant transformation

**Reports**  
30

**Reporting signal score**

141.235
- **Event**  
metastases to bone

**Reports**  
54

**Reporting signal score**

99.7241
- **Event**  
metastases to central nervous system

**Reports**  
100

**Reporting signal score**

268.412
- **Event**  
metastases to liver

**Reports**  
43

**Reporting signal score**

70.9667
- **Event**  
metastases to lung

**Reports**  
39

**Reporting signal score**

75.5479
- **Event**  
metastases to meninges

**Reports**  
41

**Reporting signal score**

147.809
- **Event**  
multiple-drug resistance

**Reports**  
19

**Reporting signal score**

42.4832

And 8 more, listed on the interactive page.

### Trial references (7)

- NCT03460275  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT03460275)
- NCT04438902  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04438902)
- NCT05085054  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05085054)
- NCT05132777  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05132777)
- NCT05489731  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05489731)
- NCT05880706  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05880706)
- NCT05284994  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05284994)

## Chemical properties

**Hydrogen bond acceptors**

8

**Hydrogen bond donors**

2

**Polar surface area**

87.55

**Calculated partition coefficient (ALogP)**

4.51

**Prodrug**

No

**Chirality**

Achiral

**Inorganic**

No

**Rule-of-five violations**

0

**Rotatable bonds**

10

**Heavy atoms**

42

**Molecular formula**

C29H37N7O5S

**Monoisotopic mass**

595.25768848

**Natural product**

No

## Pharmacologic actions

- Tyrosine Kinase Inhibitors  
Source: [id.nlm.nih.gov](https://id.nlm.nih.gov/mesh/D000092004.html)
- Antineoplastic Agents  
Source: [id.nlm.nih.gov](https://id.nlm.nih.gov/mesh/D000970.html)

## Related records

### Trials (18)

- A Study Evaluating Furmonertinib Plus Platinum-based Doublet Chemotherapy Versus Osimertinib in Patients With Epidermal Growth Factor Receptor (EGFR) Sensitizing Mutation-Positive Non-squamous Non-Small Cell Lung Cancer (NSCLC) and Brain Metastases
- A Study of APG-1252 Plus Osimertinib(AZD9291) in EGFR TKI Resistant NSCLC Patients
- A Study of BL-B01D1 and BL-B01D1 in Combination With Osimertinib Mesylate Tablets in Patients With Locally Advanced or Metastatic Non-small Cell Lung Cancer
- A Study of BL-B01D1 in Combination With Osimertinib Mesylate Tablets in Patients With Locally Advanced or Metastatic Non-small Cell Lung Cancer
- [A Study of SHR-A2102 in Combination With Other Anti-tumor Therapies for Resectable Non-small Cell Lung Cancer](https://trialight.com/data/trial/a-study-of-shr-a2102-in-combination-with-other-anti-tumor-61629f16-71e8-4735-9844-f28ecacc8b00.md)
- A Study to Assess the Effect of Food on the Pharmacokinetics of TY-9591 in Healthy Volunteers
- A Study to Evaluate the Efficacy and Safety of Glumetinib Combined With Osimertinib Mesylate Versus Platinum-based Doublet Chemotherapy in Non-Small Cell Lung Cancer Patients After Resistance to EGFR-TKIs
- A Study to Evaluate the Efficacy of Osimertinib in Patients With EGFR-sensitive Mutated Non-small Cell Lung Cancer Progression After Receiving Adjuvant Targeted Therapy Following Radical Surgery
- [A Trial of SHR-A2102 With Other Antitumor Therapies in Advanced Solid Tumors](https://trialight.com/data/trial/a-trial-of-shr-a2102-with-other-antitumor-therapies-in-32a3d640-e015-4bd7-b00a-473a7d4488b7.md)
- Efficacy and Safety of JMT101 Combined With Osimertinib in Patients With Non-Small Cell Lung Cancer
- Glumetinib Combined With Osimertinib Treatment for Non-Small Cell Lung Cancer Patients
- Osimertinib as First-line Therapy for Patients With Late-stage Lung Cancer
- Osimertinib Combined With Anlotinib in EGFR T790M Mutated NSCLC Patients With Progression on Osimertinib Treatment
- Phase II Clinical Study to Evaluate the Safety, Tolerability, Pharmacokinetics and Antitumor Activity of ALK202 for Injection in Combination With Drugs in NSCLC Participants.
- Salvage Surgery Following Downstaging of Advanced Non-small Cell Lung Cancer by Targeted Therapy (SDANT)
- Study of ONO-7475 in Combination With Osimertinib in EGFR Gene Mutation-positive Non-small Cell Lung Cancer
- TQ-B3525 Tablets Combined With Osimertinib Mesylate Tablets in the Treatment of Advanced Non-Small Cell Lung Cancer
- VIC-1911 Combined With Osimertinib for EGFR -Mutant Non-small Cell Lung Cancer

### Approved for (1)

- [Non-small cell lung carcinoma](https://trialight.com/data/condition/non-small-cell-lung-carcinoma-a86c1d60-523f-5ea7-a5e1-39ed4a2296f8.md)

### In development for (1)

- [Lung cancer](https://trialight.com/data/condition/lung-cancer-c4ca1fe0-9b3d-5957-a668-2d6cf26bd16a.md) Phase 1

### Targets (1)

- [EGFR](https://trialight.com/data/target/egfr-5c134fbe-bf90-5792-81e3-542be53c2be7.md) Epidermal growth factor receptor erbB1 inhibitor

---

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