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OncoMatch/Clinical Trials/NCT05914116

A Phase 1/2a Study of DB-1311/BNT324 in Advanced/Metastatic Solid Tumors

Is NCT05914116 recruiting? Yes, currently enrolling (Jun 2026). This Phase 1/2 trial studies multiple treatments for advanced solid tumors.

Phase 1/2RecruitingDualityBio Inc.NCT05914116Data as of Jun 2026Location: International · 4 countries

Treatment: DB-1311 · Lopinavir and Ritonavir Tablets · itraconazole · Enzalutamide · AbirateroneThis is a dose-escalation and dose-expansion Phase 1/2a trial to evaluate the safety and tolerability of DB-1311/BNT324 in subjects with advanced solid tumors.

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Extracted eligibility criteria

Treatments studied

Endocrine / hormonal

EnzalutamideAbiraterone

Other

DB-1311Lopinavir and Ritonavir Tabletsitraconazole

Cancer type

Tumor Agnostic

Biomarker criteria

Required: CD276 expression (testing required; no minimum threshold for eligibility) (testing required; no eligibility threshold specified)

willing to provide pre-existing resected tumor samples or undergo fresh tumor biopsy for the measurement of B7-H3 level and other biomarkers if no contraindication. Note: there is no minimum B7-H3 expression level mandatory for entry into the study.

Disease stage

Required: Stage IV, STAGE III

unresectable advanced/metastatic solid tumor; measurable disease as assessed by RECIST 1.1 (RANO 2.0 for GBM subjects)

Performance status

ECOG 0–1(Restricted strenuous activity)

Prior therapy

Min 1 prior line

Must have received: platinum-based chemotherapy — advanced/unresectable or metastatic NSCLC

Has received prior treatment with platinum-based chemotherapy regimen and/or anti-PD-1/PD-L1 antibody-based regimen in the advanced/unresectable, or metastatic setting unless unable or unwilling

Must have received: anti-PD-1 therapy — advanced/unresectable or metastatic NSCLC, melanoma, HCC, cervical cancer

Previously treated with a PD-1 or PD-L1 inhibitor

Must have received: anti-PD-L1 therapy — advanced/unresectable or metastatic NSCLC, melanoma, HCC, cervical cancer

Previously treated with a PD-1 or PD-L1 inhibitor

Must have received: docetaxel (docetaxel) — CRPC

Having received prior docetaxel (before or after an AR-targeted therapy). Docetaxel rechallenge was allowed.

Must have received: novel hormone therapy — CRPC

Having received prior novel hormone therapy.

Must have received: systemic chemotherapy doublet (paclitaxel, cisplatin, carboplatin, topotecan, bevacizumab) — cervical cancer

Has experienced disease progression during or after treatment with a standard of care systemic chemotherapy doublet, or platinum-based therapy (if eligible), defined as either: d. paclitaxel + cisplatin + bevacizumab + anti-PD-(L)1 agent, or e. paclitaxel + carboplatin + bevacizumab + anti-PD-(L)1 agent, or f. paclitaxel + topotecan + bevacizumab + anti-PD-(L)1 agent

Cannot have received: B7-H3 targeted therapy

Prior treatment with B7-H3 targeted therapy

Cannot have received: antibody-drug conjugate

Exception: with topoisomerase inhibitor

Prior treatment with antibody drug conjugate with topoisomerase inhibitor (e.g., trastuzumab deruxtecan)

Cannot have received: TOP I inhibitor (irinotecan, topotecan)

Prior treatment regimens with irinotecan, topotecan or any other TOP I inhibitor including investigational TOP I inhibitors are not allowed

Lab requirements

Blood counts

adequate organ function within 7 days prior to Day 1 of Cycle 1

Kidney function

adequate organ function within 7 days prior to Day 1 of Cycle 1

Liver function

Has a Child-Pugh class A liver score within 7 days of first dose of study drug (HCC subjects); adequate organ function within 7 days prior to Day 1 of Cycle 1

Cardiac function

Has LVEF ≥ 50% by either echocardiography (ECHO) or multiple-gated acquisition (MUGA) within 28 days before enrollment; no symptomatic CHF (NYHA II-IV), no serious cardiac arrhythmia requiring treatment, no MI or unstable angina within 6 months, QTcF ≤ 470 ms

Has LVEF ≥ 50% by either echocardiography (ECHO) or multiple-gated acquisition (MUGA) within 28 days before enrollment. Has adequate organ function within 7 days prior to Day 1 of Cycle 1. Has a Child-Pugh class A liver score within 7 days of first dose of study drug (HCC subjects).

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

US trial sites

  • Research Site 111 · Tucson, Arizona
  • Research Site 125 · Los Angeles, California
  • Research Site 133 · Los Angeles, California
  • Research Site 103 · Los Angeles, California
  • Research Site 128 · Santa Monica, California

Showing up to 5 US sites.

See all sites on ClinicalTrials.gov →

Frequently asked questions

Is NCT05914116 currently recruiting?

Yes, this trial is currently recruiting patients.

Are there prior therapy exclusions?

Yes. Prior B7-H3 targeted therapy, antibody-drug conjugate, TOP I inhibitor disqualifies patients from enrollment.

Does this trial require CD276?

Yes, CD276 expression (testing required; no minimum threshold for eligibility) is a required biomarker for enrollment.

What disease stage is eligible?

Stage IV or STAGE III is required.

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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