Ifinatamab deruxtecan - Daiichi Sankyo Company
Alternative Names: DS-7300; DS-7300a; I-DXd; MK-2400Latest Information Update: 19 Feb 2026
At a glance
- Originator Daiichi Sankyo Company
- Developer Daiichi Sankyo Company; Merck & Co
- Class Alkaloids; Antineoplastics; Camptothecins; Drug conjugates; Immunoconjugates; Monoclonal antibodies
- Mechanism of Action DNA topoisomerase I inhibitors
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Orphan Drug Status
Yes - Small cell lung cancer
Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.
- New Molecular Entity Yes
Highest Development Phases
- Phase III Oesophageal cancer; Prostate cancer; Small cell lung cancer; Squamous cell cancer
- Phase II Biliary cancer; Bladder cancer; Breast cancer; Cervical cancer; Colorectal cancer; Endometrial cancer; Head and neck cancer; Liver cancer; Malignant melanoma; Non-small cell lung cancer; Ovarian cancer; Pancreatic cancer
- Phase I/II Solid tumours
Most Recent Events
- 12 Feb 2026 Merck Sharp & Dohme LLC plans a phase I/II trial for Squamous cell cancer (Metastatic disease, Late-stage disease, Inoperable/Unresectable, Second-line therapy or greater) (IV) in March 2026 (NCT07405151)
- 29 Jan 2026 Phase-I/II clinical trials in Small cell lung cancer (Combination therapy, Late-stage disease) in Israel (IV) (NCT07227597)
- 17 Oct 2025 Updated efficacy and adverse events data from the phase II IDeate-Lung01 trial in Small cell lung cancer presented at the 50th European Society for Medical Oncology Congress (ESMO-2025)