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OncoMatch/Clinical Trials/NCT07887971

A Study of [225Ac]Ac-AKY-2519 in Patients With B7-H3 Expressing Solid Tumors

Official title: BActinium-2: A Phase 1b, 2 Part, Multicenter, Open Label Study to Evaluate the Safety and Efficacy of Intravenous Administration of a B7-H3 Radiopharmaceutical ([225Ac]Ac AKY 2519) in Participants With B7-H3 Imaging Positive Solid Tumors

Is NCT07887971 recruiting? Yes, currently enrolling (Oct 2026). This Phase 1 trial studies multiple treatments including [225Ac]Ac-AKY-2519 (therapeutic) and [64Cu]Cu-AKY-2519 (imaging) for nsclc.

Phase 1RecruitingAktis Oncology, Inc.NCT07887971Data as of Oct 2026

Treatment: [225Ac]Ac-AKY-2519 (therapeutic) · [64Cu]Cu-AKY-2519 (imaging) — This is a Phase 1b, 2-part, multi-center, open-label study to evaluate the safety, tolerability, dosimetry, and pharmacokinetics (PK) of \[64Cu\]Cu-AKY-2519 and/or \[225Ac\]Ac-AKY-2519, as well as the preliminary anti-tumor activity of \[225Ac\]Ac-AKY-2519 in participants with B7-H3 imaging positive solid tumors.

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Extracted eligibility criteria

Treatments studied

Other

[225Ac]Ac-AKY-2519 (therapeutic)[64Cu]Cu-AKY-2519 (imaging)

Cancer type

Non-Small Cell Lung Carcinoma

Small Cell Lung Cancer

Prostate Cancer

Head and Neck Squamous Cell Carcinoma

Colorectal Cancer

Biomarker criteria

Required: CD276 imaging positive

Performance status

ECOG 0–1(Restricted strenuous activity)

Prior therapy

Cannot have received: B7-H3 targeted therapy

Prior treatment with a B7-H3 targeted therapy

Cannot have received: targeted radiotherapy

Prior treatment with a targeted radiotherapy

Lab requirements

Blood counts

adequate end-organ function

Kidney function

adequate end-organ function

Liver function

adequate end-organ function

Adequate end-organ function

Structured fields extracted by AI. May contain errors — verify against the official protocol.

US trial sites

  • Biogenix Molecular, LLC · Miami, Florida

Showing up to 5 US sites.

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Frequently asked questions

Is NCT07887971 currently recruiting?

Yes, this trial is currently recruiting patients.

Are there prior therapy exclusions?

Yes. Prior B7-H3 targeted therapy, targeted radiotherapy disqualifies patients from enrollment.

Does this trial require CD276?

Yes, CD276 imaging positive is a required biomarker for enrollment.

Could you qualify for this trial?

Enter your biomarker results to see how this trial's eligibility criteria match your specific cancer profile.

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