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DB-1311

Phase 1

Advanced Solid Tumors | Small molecule | Oncology |BioNTech SE|Last Updated: Nov 21, 2025

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
CONTROLLEDBiomarker
Total Trials1
Total Enrollment862
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05914116A Phase 1/2a Study of DB-1311/BNT324 in Advanced/Metastatic Solid TumorsPHASE1 RECRUITING 862Aug 17, 2023May 1, 2028Nov 21, 2025107 United States, Australia +2
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Study Endpoints
Primary Endpoints
Phase 1: Percentage of Participants with Dose-Limiting Toxicities (DLTs) as assessed by Common Terminology Criteria for Adverse Events (CTCAE) v5.0. Percentage of participants in Part 1 with DLTs
up to 21 days after Cycle 1 Day 1

Percentage of participants in Part 1 with DLTs

Phase 1& Phase 2a: Percentage of Participants with Treatment Emergent Adverse Events (TEAEs) as assessed by CTCAE v5.0.
Up to follow-up period, approximately 1 year post-treatment

Percentage of participants with TEAEs graded according to National Cancer Institute (NCI) CTCAE v5.0

Phase 1& Phase 2a: Percentage of Participants with Serious Adverse Events (SAEs) as assessed by CTCAE v5.0.
Up to follow-up period, approximately 1 year post-treatment

Percentage of Participants with SAEs graded according to NCI CTCAE v5.0

Phase 1 & Phase 2a: vital sign measurements
Up to follow-up period, approximately 1 year post-treatment
Phase 1& Phase 2a: clinical safety laboratory parameters
Up to follow-up period, approximately 1 year post-treatment
Phase 1& Phase 2a: Electrocardiogram (ECG) parameters
Up to follow-up period, approximately 1 year post-treatment
Phase 1& Phase 2a: Eastern Cooperative Oncology Group (ECOG) performance status (PS)
Up to follow-up period, approximately 1 year post-treatment
Phase 1& Phase 2a: left ventricular ejection fraction (LEVF)
Up to follow-up period, approximately 1 year post-treatment
Phase 1: Maximum Tolerated Dose (MTD) of DB-1311/BNT324
Up to the completion of Part 1 (assessed up to 12 months)

MTD on the data collected during Part 1

Phase 1: Recommended Phase 2 Dose (RP2D) of DB-1311/BNT324
Up to the completion of Part 1 (assessed up to 12 months)

RP2D of DB-1311/BNT324 based on the data collected during Part 1

Phase 2a: Objective Response Rate (ORR) as determined by investigator
Up to follow-up period, approximately 1 year post-treatment

Objective Response Rate (ORR) as determined by investigator per RECIST 1.1 in non-PC/non-GBM participants per RECIST v1.1 for soft tissue and Prostate Cancer Working Group 3 (PCWG3) criteria for bone metastases in PC participants, and ORR per neuro-oncology 2.0 (RANO 2.0) criteria in GBM participants.

Secondary Endpoints
Phase 1: Objective response rate (ORR)
Up to follow-up period, approximately 1 year post-treatment
Phase 1 & Phase 2a: duration of response (DoR)
Up to follow-up period, approximately 1 year post-treatment
Phase 1 & Phase 2a: disease-control rate (DCR)
Up to follow-up period, approximately 1 year post-treatment
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
DB-1311/BNT324 Dose Level 1EXPERIMENTALEnrolled Subjects will receive a single-dose of DB-1311/BNT324 at Dose Level 1 on Day 1 of each cycle Q3W (every 3 weeks)
DB-1311/BNT324 Dose Level 2EXPERIMENTALEnrolled Subjects will receive a single-dose of DB-1311/BNT324 at Dose Level 2 on Day 1 of each cycle Q3W
DB-1311/BNT324 Dose Level 3EXPERIMENTALEnrolled Subjects will receive a single-dose of DB-1311/BNT324 at Dose Level 3 on Day 1 of each cycle Q3W
DB-1311/BNT324 Dose Level 4EXPERIMENTALEnrolled Subjects will receive a single-dose of DB-1311/BNT324 at Dose Level 4 on Day 1 of each cycle Q3W
DB-1311/BNT324 Dose Level 5EXPERIMENTALEnrolled Subjects will receive a single-dose of DB-1311/BNT324 at Dose Level 5 on Day 1 of each cycle Q3W
DB-1311/BNT324 Dose Expansion 1EXPERIMENTALSubjects with advanced/unresectable, or metastatic SCLC who have progressed on or after standard systemic treatments, a 21-day treatment cycle (i.e., once every 3 weeks) via intravenous infusion will be used for DB-1311/BNT324 randomized at dose level 1 or 2.
DB-1311/BNT324 Dose Expansion 2EXPERIMENTALSubjects with advanced/unresectable, or metastatic NSCLC who have progressed on or after standard systemic treatments, a 21-day treatment cycle (i.e., once every 3 weeks) via intravenous infusion will be used for DB-1311/BNT324 randomized at dose level 1 or 2.
DB-1311/BNT324 Dose Expansion 3EXPERIMENTALSubjects with advanced/unresectable, or metastatic ESCC who have progressed on or after standard systemic treatments, a 21-day treatment cycle (i.e., once every 3 weeks) via intravenous infusion will be used for DB-1311/BNT324.
DB-1311/BNT324 Dose Expansion 4EXPERIMENTALSubjects with advanced/unresectable, or metastatic CRPC who have progressed on or after standard systemic treatments, a 21-day treatment cycle (i.e., once every 3 weeks) via intravenous infusion will be used for DB-1311/BNT324 randomized at dose level 1 or 2.
DB-1311/BNT324 Dose Expansion 5EXPERIMENTALSubjects with advanced/unresectable, or metastatic melanoma who have progressed on or after standard systemic treatments, a 21-day treatment cycle (i.e., once every 3 weeks) via intravenous infusion will be used for DB-1311/BNT324.
DB-1311/BNT324 Dose Expansion 6EXPERIMENTALSubjects with advanced/unresectable, or metastatic HCC who have progressed on or after standard systemic treatments, a 21-day treatment cycle (i.e., once every 3 weeks) via intravenous infusion will be used for DB-1311/BNT324.
DB-1311/BNT324 Dose Expansion 7EXPERIMENTALSubjects with advanced/unresectable, or metastatic cervical cancer who have progressed on or after standard systemic treatments, a 21-day treatment cycle (i.e., once every 3 weeks) via intravenous infusion will be used for DB-1311/BNT324.
DB-1311/BNT324 Dose Expansion 8EXPERIMENTALSubjects with other advanced or metastatic solid tumors who have progressed on or after standard systemic treatments, a 21-day treatment cycle (i.e., once every 3 weeks) via intravenous infusion will be used for DB-1311/BNT324.
DB-1311/BNT324 Dose Expansion 9EXPERIMENTALSubjects with advanced/unresectable, or metastatic HNSCC (not including nasopharyngeal carcinoma \[NPC\]) who have progressed on or after standard systemic treatments, a 21-day treatment cycle (i.e., once every 3 weeks) via intravenous infusion will be used for DB-1311/BNT324.
DB-1311/BNT324 Dose Expansion 10EXPERIMENTALSubjects with advanced or metastatic rare tumor types who have progressed on or after standard systemic treatments, a 21-day treatment cycle (i.e., once every 3 weeks) via intravenous infusion will be used for DB-1311/BNT324.
DB-1311/BNT324 Dose Expansion 11EXPERIMENTALSubjects with metastatic CRPC who have progressed on or after standard systemic treatments including no more than 2 lines of systemic chemotherapy, novel hormone therapy and lutetium-177 radioligand therapy, a 21-day treatment cycle (i.e., once every 3 weeks) via intravenous infusion will be used for DB-1311/BNT324.
DB-1311/BNT324 Dose Expansion 12EXPERIMENTALTaxane-naive subjects with metastatic CRPC who have progressed on or after novel hormone therapy, a 21-day treatment cycle (i.e., once every 3 weeks) via intravenous infusion will be used for DB-1311/BNT324.
DB-1311/BNT324 Dose Expansion 13EXPERIMENTALSubjects with advanced/unresectable, or metastatic HNSCC (not including NPC) who have progressed on or after standard systemic treatments, a 21-day treatment cycle (i.e., once every 3 weeks) via intravenous infusion will be used for DB-1311/BNT324.
DB-1311/BNT324 Dose Expansion 14EXPERIMENTALSubjects with epithelial OC who have had 1-3 prior lines of systemic treatment and are platinum-resistant, a 21-day treatment cycle (i.e., once every 3 weeks) via intravenous infusion will be used for DB-1311/BNT324 randomized at dose level 1 or 2.
DB-1311/BNT324 Dose Expansion 15EXPERIMENTALSubjects with Subjects with advanced/unresectable, or metastatic melanoma, ESCC, PROC and CC who have progressed on or after standard systemic treatments, a 21-day treatment cycle (i.e., once every 3 weeks) via IV will be used for DB-1311/BNT324. Lopinavir and ritonavir/ Itraconazole will be administered orally twice a day/ once a day.
DB-1311/BNT324 Dose Expansion 16EXPERIMENTALTaxane-naive subjects with metastatic CRPC who have progressed on or after NHT, a 21-day treatment cycle (i.e., once every 3 weeks) via intravenous infusion will be used for DB-1311/BNT324, combined with enzalutamide 160mg QD orally.
DB-1311/BNT324 Dose Expansion 17EXPERIMENTALTaxane-naive subjects with metastatic CRPC who have progressed on or after NHT, a 21-day treatment cycle (i.e., once every 3 weeks) via intravenous infusion will be used for DB-1311/BNT324, combined with abiraterone 1000mg QD orally.
DB-1311/BNT324 Dose Expansion 18EXPERIMENTALCSPC subjects with suboptimal PSA response to ADT/NHT, a 21-day treatment cycle (i.e., once every 3 weeks) via intravenous infusion will be used for DB-1311/BNT324, combined with enzalutamide 160mg or abiraterone 1000mg QD orally.
Interventions
NameTypeDescription
DB-1311DRUGAdministered I.V.(intravenous infusion)
Lopinavir and Ritonavir TabletsDRUGLopinavir and Ritonavir Tablets
itraconazoleDRUGitraconazole
EnzalutamideDRUGoral administration
AbirateroneDRUGoral administration
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites107

Inclusion Criteria: 1. Male or female adults (defined as ≥ 18 years of age or acceptable age according to local regulations at the time of voluntarily signing of informed consent). 2. Histologically or cytologically confirmed unresectable advanced/metastatic solid tumor that has relapsed or progres...

Countries:United StatesAustraliaChinaTaiwan
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT05914116primaryCompletionDate: changed
LOWMay 24, 2026NCT05914116studyFirstPostDate: changed