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Pyrotinib

Generic Name
Pyrotinib
Drug Type
Small Molecule
Chemical Formula
C32H31ClN6O3
CAS Number
1269662-73-8
Unique Ingredient Identifier
CJN36EQM0H

Overview

Pyrotinib is under investigation in clinical trial NCT03756064 (Neoadjuvant Study of Pyrotinib in Patients With HER2 Positive Breast Cancer).

Indication

No indication information available.

Associated Conditions

No associated conditions information available.

Research Report

Published: Aug 4, 2025

Pyrotinib (SHR-1258): A Comprehensive Pharmacological and Clinical Monograph

Executive Summary

Pyrotinib is an orally bioavailable, small-molecule targeted therapy developed by Jiangsu Hengrui Medicine that has emerged as a potent and clinically significant agent in the management of Human Epidermal Growth Factor Receptor 2 (HER2)-positive cancers.[1] Identified by the internal code SHR-1258 and marketed in China under the brand name Irene, Pyrotinib functions as an irreversible, pan-ErbB receptor tyrosine kinase inhibitor (TKI).[4] Its primary mechanism of action involves the covalent and sustained inhibition of Epidermal Growth Factor Receptor (EGFR/HER1), HER2, and HER4, thereby blocking critical downstream oncogenic signaling pathways, including the PI3K/Akt and RAS/RAF/MAPK cascades, which are fundamental drivers of tumor cell proliferation and survival.[5]

The clinical development of Pyrotinib has been marked by a series of successful pivotal trials, primarily in the field of HER2-positive breast cancer. The Phase III PHOEBE trial established its superiority in the second-line metastatic setting, demonstrating statistically significant and clinically meaningful improvements in both progression-free survival (PFS) and overall survival (OS) when combined with capecitabine, compared to the established TKI lapatinib with capecitabine.[8] In the first-line metastatic setting, the Phase III PHILA trial showed that the addition of Pyrotinib to a regimen of trastuzumab and docetaxel resulted in a profound extension of PFS versus the control arm, validating a powerful dual anti-HER2 blockade strategy.[11] Furthermore, promising data from neoadjuvant and extended adjuvant studies suggest its utility across the entire continuum of HER2-positive breast cancer care.[3]

Continue reading the full research report

Clinical Trials

Title
Posted
Study ID
Phase
Status
Sponsor
2025/07/15
Not Applicable
Recruiting
2025/07/08
Not Applicable
Not yet recruiting
2025/06/13
Phase 2
Not yet recruiting
2025/05/06
Phase 2
Recruiting
2024/12/31
N/A
Recruiting
zhangjie
2024/12/05
Not Applicable
Not yet recruiting
Nie Jianyun
2024/12/05
Phase 1
Recruiting
2024/11/18
Phase 2
Not yet recruiting
Peking University Shenzhen Hospital
2024/08/21
Phase 2
Recruiting
Sun Yat-sen University
2024/07/10
Not Applicable
Not yet recruiting

FDA Drug Approvals

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No FDA approvals found for this drug.

EMA Drug Approvals

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No EMA approvals found for this drug.

HSA Drug Approvals

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No HSA approvals found for this drug.

NMPA Drug Approvals

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No NMPA approvals found for this drug.

PPB Drug Approvals

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No PPB approvals found for this drug.

TGA Drug Approvals

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No TGA approvals found for this drug.

Health Canada Drug Approvals

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No Health Canada approvals found for this drug.

CIMA AEMPS Drug Approvals

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No CIMA AEMPS (Spain) approvals found for this drug.

Philippines FDA Drug Approvals

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No Philippines FDA approvals found for this drug.

Saudi SFDA Drug Approvals

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No Saudi SFDA approvals found for this drug.

Malaysia NPRA Drug Approvals

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No Malaysia NPRA approvals found for this drug.

UK EMC Drug Information

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No UK EMC drug information found for this drug.

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