Trastuzumab deruxtecan

Drug

Also known as: DS-8201a, Trastuzumab Pamirtecan

Drug Profile

Trastuzumab deruxtecan (fam-trastuzumab deruxtecan-nxki) is marketed as ENHERTU, a HER2-directed antibody and topoisomerase inhibitor conjugate used across multiple advanced HER2-expressing cancers. Labeling includes metastatic HER2-positive breast cancer settings, HER2-low/HER2-ultralow breast cancer, HER2-mutant NSCLC, HER2-positive gastric/GEJ adenocarcinoma, and HER2-positive solid tumors under accelerated approval. U.S. initial approval was in 2019.

Drug Class
HER2-directed antibody and topoisomerase inhibitor conjugate (ADC)
Approval Status
FDA approved (Initial U.S. Approval: 2019; label updated through 2025 with accelerated-approval indications for some solid tumors)
Mechanism of Action
HER2-targeted ADC delivering a topoisomerase I inhibitor payload (deruxtecan) to HER2-expressing tumor cells.
Brand Names
  • ENHERTU
Indications
  • \HER2-positive metastatic breast cancer (including first-line combination with pertuzumab and prior-treated monotherapy settings)\
  • \HER2-low or HER2-ultralow metastatic breast cancer in specific prior-treatment settings\
  • \HER2-mutant unresectable or metastatic NSCLC after prior systemic therapy\
  • \HER2-positive locally advanced or metastatic gastric or gastroesophageal junction adenocarcinoma after prior trastuzumab-based regimen\
  • \HER2-positive (IHC 3+) unresectable or metastatic solid tumors after prior systemic treatment with no satisfactory alternatives\

Related News

BioNTech, BioLineRx Unveil Clinical Data at ASCO 2026

BioNTech presented phase 2 data for HER2-directed ADC Trastuzumab Pamirtecan showing 47.9% response rate in endometrial cancer, with FDA submission planned for 2026. BioLineRx dosed first patient in phase 1/2a GLIX1 trial for glioblastoma and reported new preclinical data. Both companies presented at ASCO 2026.

Related Clinical Trials

NCT ID Title Status Phase
NCT07701941

A Study of Patritumab Deruxtecan (HER3-DXd) in Combination With Trastuzumab Deruxtecan (T-DXd) in Participants With HR-Positive, HER2-Low or HER2-Ultralow Unresectable or Metastatic Breast Cancer

NOT_YET_RECRUITING PHASE1/PHASE2
NCT07683754

T-DXd Based Therapy Followed by Endocrine Therapy Plus Dual HER2 Blockade in First-line HER2+/ HR+ Metastatic Breast Cancer and Retreatment With T-DXd

NOT_YET_RECRUITING PHASE3
NCT07619521

Testing the Combination of Anti-Cancer Drugs, Selumetinib and DS-8201a, for Advanced Pancreatic Ductal Adenocarcinoma

NOT_YET_RECRUITING PHASE1/PHASE2
NCT07619365

Trastuzumab Deruxtecan and Lovastatin in HER2-low and Ultralow Advanced or Metastatic Breast Cancer

NOT_YET_RECRUITING PHASE2
NCT07582887

Impact of Genetic Variants on the Toxicity of Antibody-Drug Conjugates in Locally Advanced or Metastatic Breast Cancer: The Role of the UGT1A1 Gene as a Predictive Biomarker of Therapeutic Response

RECRUITING
NCT07578116

Adding Surgery and Radiation to the Usual Treatment for HER2-Positive Breast Cancer That Had Already Spread at Diagnosis

NOT_YET_RECRUITING PHASE3
NCT07454668

Trastuzumab Deruxtecan + Stereotactic Radiosurgery (SRS) in HER2+ Breast Cancer Brain Metastases

NOT_YET_RECRUITING PHASE1
NCT07428044

A Study of Trastuzumab Deruxtecan in People With Non-Small Cell Lung Cancer

RECRUITING PHASE2
NCT07416253

Trastuzumab Rezetecan vs Trastuzumab Deruxtecan in the Neoadjuvant Treatment of HER2 Positive Breast Cancer

NOT_YET_RECRUITING PHASE2
NCT07393425

Neoadjuvant Trastuzumab Deruxtecan (SHR-A1811) + Pertuzumab in HER2+ Breast Cancer

RECRUITING PHASE2