OnCo
drugsProductPhase 2

Puxitatug samrotecan

Puxitatug samrotecan is a B7-H4 ADC targeting a checkpoint-like protein enriched in breast, ovarian, and endometrial cancers.

AstraZeneca's B7-H4 ADC in phase 2 (endometrial, ovarian, TNBC). B7-H4 has minimal normal expression and is inversely correlated with PD-L1, offering a route into 'cold' tumours.

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Payload class: exatecan
PubChem

Puxitatug samrotecan carries a camptothecin-derived TOP1 inhibitor; exatecan shown as the class representative.

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-H4 on the tumour cell surface

Modality
ADC
Mechanism
Anti-B7-H4 IgG1 with TOP1 inhibitor.
Brand / code
AZD8205
Payload
TOP1 inhibitor (AZ14170133), DAR ~8
Linker
Cleavable
Dosing & schedule
Route
IV infusion
Schedule
Phase 2 dose-optimisation; every 3 weeks

Source: clinicaltrials.gov/study/NCT05123482. Doses are for orientation; the current label governs.

Safety

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Toxicity profile
Adverse event
Nausea
Neutropenia
Fatigue

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

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Cost & access
CountryReimbursement
United StatesInvestigational

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

Trials

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ClinicalTrials.gov · phase 2/3
refreshed 2026-09-09
2 studies2 recruiting1 Phase 21 Phase 3
Search “Puxitatug samrotecan” 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
Puxitatug samrotecan
intervention: Puxitatug samrotecan
Open on ClinicalTrials.gov →

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Latest papers

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Literature trend0 papers in the last 12 monthsHow this is computed
Latest papers · live from Europe PMC
Open in Europe PMC

Query for this drug: (TITLE:"Puxitatug samrotecan" OR ABSTRACT:"Puxitatug samrotecan" OR TITLE:"AZD8205" OR ABSTRACT:"AZD8205") 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 Puxitatug samrotecan, not a curated reading list.

Connected

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