OnCo
drugsProductPhase 3

Ifinatamab deruxtecan

Ifinatamab deruxtecan is a B7-H3 ADC showing some of the best response rates ever seen in relapsed small-cell lung cancer.

IDeate-Lung01 phase 2: ORR ~55% in pretreated extensive-stage SCLC at 12 mg/kg. Phase 3 IDeate-Lung02 versus topotecan ongoing; Breakthrough Therapy designation. Also in prostate and oesophageal cancer.

Loading structure…
|
Payload: deruxtecan (linker + DXd) · 2D coordinates (no PubChem conformer)
PubChem
How it works, step by step · animated schematic, not to scale
Antibody-drug conjugate (ADC)
Mechanism, step by step
auto-advancing · hover to pause

1.Antibody binds B7-H3 on the tumour cell surface

Modality
ADC
Mechanism
Anti-B7-H3 IgG1 with DXd.
Brand / code
I-DXd, DS-7300
Payload
DXd, DAR ~8
Linker
GGFG cleavable
Dosing & schedule
Route
IV infusion
Schedule
12 mg/kg every 3 weeks (IDeate-Lung01 selected dose)
Monitoring
ILD, blood counts, infusion reactions

Source: clinicaltrials.gov/study/NCT05280470. Doses are for orientation; the current label governs.

Regulatory

1top
  1. Aug 2024DesignationUS

    Breakthrough Therapy designation, extensive-stage SCLC after platinum source

Safety

5top
Toxicity profile
Adverse event
Nausea
Anaemia
Decreased appetite
Neutropenia
ILD/pneumonitis

Events listed without rates were not read from a primary source; see the label. Blank cells mean the figure was not sourced, not that it is zero.

Cost & access

1top
Cost & access
CountryReimbursement
United StatesInvestigational (phase 3 IDeate-Lung02)

List prices are manufacturer or Medicare figures where publicly disclosed; net prices after rebates are usually lower. Reimbursement changes; check the payer.

Trials

top
ClinicalTrials.gov · phase 2/3
refreshed 2026-09-06
17 studies15 recruiting14 Phase 23 Phase 3
Search “Ifinatamab deruxtecan” on ClinicalTrials.gov →
Counts are from a name search and may include unrelated studies; up to 100 studies are summarised.

Recruiting now (live from ClinicalTrials.gov)

Recruiting trials near you · live from ClinicalTrials.gov
Ifinatamab deruxtecan
intervention: Ifinatamab deruxtecan
Open on ClinicalTrials.gov →

Country and place are remembered in this browser only. A postcode is sent to OpenStreetMap's Nominatim service to find coordinates when you press the button; nothing else leaves your device.

Latest papers

top
Literature trend11 papers in the last 12 months+57% vs prior 12How this is computed
Latest papers · live from Europe PMC
Open in Europe PMC

Query for this drug: (TITLE:"Ifinatamab deruxtecan" OR ABSTRACT:"Ifinatamab deruxtecan" OR TITLE:"I-DXd" OR ABSTRACT:"I-DXd" OR TITLE:"DS-7300" OR ABSTRACT:"DS-7300") AND (cancer OR tumor OR tumour OR oncology OR carcinoma OR lymphoma OR leukemia OR leukaemia OR myeloma OR sarcoma OR melanoma OR glioma). Results are unfiltered search hits about Ifinatamab deruxtecan, not a curated reading list.

Connected

12top