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DB-1311

Phase 1

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

Success Probability

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Market & Valuation

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Trial Design

CONTROLLED
Total Trials1
Total Enrollment862

FDA Designations

FAST_TRACK

Clinical trial landscape

DB-1311 · 1 trial · 1 indication

Phase 1 1
NCT05914116A Phase 1/2a Study of DB-1311/BNT324 in Advanced/Metastatic Solid TumorsAdvanced Solid Tumors
RECRUITING862 Analytics
PHASE1RECRUITING
A Phase 1/2a Study of DB-1311/BNT324 in Advanced/Metastatic Solid Tumors
Advanced Solid TumorsUnlock trial analytics

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 to 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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Competitive Landscape -Other Solid Tumors 9 trials (matched to "Advanced Solid Tumors")

Frequently asked questions about DB-1311

What is DB-1311 used for?

DB-1311 is an investigational small molecule being developed for the treatment of advanced solid tumors and solid tumors. It is currently being studied in clinical trials for patients with advanced or metastatic solid tumors, including a Phase 1/2a study and a Phase 2 combination study.

Who is developing DB-1311?

DB-1311 is being developed by BioNTech SE, a biotechnology company traded on the NASDAQ under the ticker BNTX. The company is conducting clinical trials for this investigational oncology drug in multiple countries, including the United States, Australia, China, and Taiwan.

What phase is DB-1311 in?

DB-1311 is in Phase 1 clinical development as an investigational drug. It has not been approved by regulatory authorities and is still being evaluated in clinical trials. The drug has received Fast Track designation from the FDA, which is intended to expedite its development and review.

What clinical trials is DB-1311 in?

DB-1311 is being studied in two recruiting clinical trials. NCT05914116 is a Phase 1/2a study of DB-1311/BNT324 in advanced or metastatic solid tumors with an enrollment of 862. NCT06953089 is a Phase 2 study of DB-1311 in combination with BNT327 or DB-1305 in advanced or metastatic solid tumors with an enrollment of 450.

Is DB-1311 the same as BNT324?

Yes, DB-1311 is also known as DB-1311/BNT324. The drug is referred to by this combined name in clinical trial records, such as in the Phase 1/2a study NCT05914116, which is titled 'A Phase 1/2a Study of DB-1311/BNT324 in Advanced/Metastatic Solid Tumors'.