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Pumitamig

Phase 3

Breast Neoplasms | Small molecule | Oncology |BioNTech SE|Last Updated: Sep 4, 2026

Success Probability

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials1
Total Enrollment558

FDA Designations

No designations recorded

Clinical trial landscape

Pumitamig · 6 trials · 5 indications

Phase 3 2Phase 2 4
NCT07173751ROSETTA Breast-01: The Effects and Safety of Pumitamig in Patients With Triple-Negative Breast CancerBreast Neoplasms
RECRUITING558 Analytics
NCT06712355Safety and Efficacy of BNT327, an Investigational Therapy in Combination With Chemotherapy for Patients With Untreated Small-cell Lung CancerExtensive-stage Small-cell Lung Cancer
RECRUITING621 Analytics
PHASE3RECRUITING
ROSETTA Breast-01: The Effects and Safety of Pumitamig in Patients With Triple-Negative Breast Cancer
Breast NeoplasmsUnlock trial analytics
PHASE3RECRUITING
Safety and Efficacy of BNT327, an Investigational Therapy in Combination With Chemotherapy for Patients With Untreated Small-cell Lung Cancer
Extensive-stage Small-cell Lung CancerUnlock trial analytics

Study Endpoints

Primary Endpoints

Progression-Free Survival (PFS) as Assessed by Blinded Independent Central Review (BICR)
Up to approximately 32 months

PFS is defined as the time from randomization to first documented tumor progression (progressive disease assessed by BICR per response evaluation criteria in solid tumors \[RECIST\] v1.1), or death from any cause, whichever occurs first.

Overall Survival (OS)
Up to approximately 49 months

OS is defined as the time from randomization to death from any cause.

Confirmed overall response rate (ORR)
Up to 24 months

For Treatment Arms 1 and 2 only. Defined as the percentage of study participants in whom a confirmed complete response (CR) or confirmed partial response (PR) (assessed by the blinded independent central review \[BICR\] per RANO 2.0) is observed as best overall response.

Occurrence of treatment emergent adverse events (TEAEs) by severity
From the first dose of study treatment until 90 days after the last dose of study treatment (up to 27 months)

According to (United States National Cancer Institute) Common Terminology Criteria for Adverse Events version 5.0 \[CTCAE v5.0\]). By relationship. For Treatment Arms 1 and 3 only.

Occurrence of dose interruptions, reductions or discontinuations of study treatment due to TEAEs
Up to 24 months

For Treatment Arms 1 and 3 only.

Confirmed overall response rate
Up to 24 months

For each treatment arm. Defined as the percentage of study participants in whom a confirmed complete response (CR) or confirmed partial response (PR) (assessed by the investigator per Response Evaluation Criteria in Solid Tumors version 1.1 \[RECIST v1.1\]) is observed as best overall response.

Occurrence of dose interruptions, reductions, and discontinuations due to TEAEs
Up to 24 months after first dose

For each treatment arm.

Part 1 - Occurrence of dose limiting toxicities (DLTs)
Up to 21 days after first dose of investigational medicinal product (IMP)

During the DLT evaluation period by dose level

Part 1 and Part 2 - Occurrence of pumitamig treatment emergent adverse events, treatment-related adverse events, treatment emergent serious adverse events, treatment-related serious adverse events, and adverse events of special interest
From initiation of the first dose of IMP to the 90-day Follow-Up visit

Graded according to the (United States) National Cancer Institute Common Terminology Criteria for Adverse Events version 5.0 (NCI CTCAE v5.0)

Part 1 and Part 2 - Occurrence of dose interruption, dose reduction, and/or participant discontinuation due to adverse events
From initiation of the first dose of IMP until the 90-day Safety Follow-up visit
Part 1 and Part 2 - Objective response rate
Up to approximately 2 years

Defined as the proportion of participants in whom a confirmed complete response (CR) or partial response (PR) (per Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST v1.1) based on investigator's review) is observed as best overall response.

Phase 2 - Occurrence of treatment-emergent adverse events (TEAE) (including Grade ≥3), adverse events of special interest (AESIs), treatment-related TEAEs, treatment-emergent serious adverse events (SAE), and treatment-related treatment emergent SAEs
From the first dose of the investigational medicinal product (IMP) to the 90-day Follow-Up Visit

For substudies A and B. AEs graded according to Common Terminology Criteria for Adverse Events (CTCAE v5.0) in the combination treatment regimen.

Phase 2 - Occurrence of dose interruption, reduction, and discontinuation of IMP due to TEAEs (including related TEAEs)
From the first dose of IMP to the 90-day Follow-Up Visit

For substudies A and B.

Phase 2 - Objective response rate (ORR)
Up to approximately 2 years

For substudies A and B. ORR is defined as the proportion of participants in whom a confirmed complete response (CR) or confirmed partial response (PR) (per Response Evaluation Criteria in Solid Tumors version 1.1 \[RECIST v1.1\] based on the investigator's assessment) is observed as best overall response.

Phase 2 - Best percentage change from baseline in tumor size
Up to approximately 2 years

For substudies A and B. Based on investigator's tumor assessment according to RECIST v1.1.

Phase 3 - Progression free survival (PFS) assessed by BICR
Up to approximately 5 years

For substudies A and B. PFS defined as the time from randomization to first documented tumor progression (progressive disease per RECIST v1.1), or death from any cause, whichever occurs first.

Secondary Endpoints

Objective Response Rate (ORR) as Assessed by BICR
Up to approximately 49 months
PFS
Up to approximately 32 months
ORR
Up to approximately 49 months
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Arm 1: Pumitamig + Treatment of Physician's Choice (TPC) ChemotherapyEXPERIMENTALParticipants will be administered with pumitamig (BNT327) plus chemotherapy regimen.
Arm 2: Placebo + TPC ChemotherapyPLACEBO_COMPARATORParticipants will be administered with matching placebo plus chemotherapy regimen.
Stage 1 Control Arm - Atezolizumab + Etoposide + CarboplatinACTIVE_COMPARATOR -
Stage 1 Treatment Arm 1 - Pumitamig Dose 1 + Etoposide + CarboplatinEXPERIMENTAL -
Stage 1 Treatment Arm 2 - Pumitamig Dose 2 + Etoposide + CarboplatinEXPERIMENTAL -
Stage 2 Control Arm - Atezolizumab + Etoposide + CarboplatinACTIVE_COMPARATOR -
Stage 2 Treatment Arm - Pumitamig Dose 3 + Etoposide + CarboplatinEXPERIMENTAL -
Arm 1: Pumitamig MonotherapyEXPERIMENTAL -
Arm 2: Bevacizumab MonotherapyACTIVE_COMPARATOR -
Arm 3: Pumitamig + temozolomideEXPERIMENTAL -
Arm 1: Pumitamig (dose level 1) + chemotherapyEXPERIMENTALParticipants will be administered pumitamig plus chemotherapy regimen.
Arm 2: Pumitamig (dose level 2) + chemotherapyEXPERIMENTALParticipants will be administered pumitamig plus chemotherapy regimen.
Arm 3: Pumitamig (dose level 2) + chemotherapyEXPERIMENTALParticipants will be administered pumitamig plus chemotherapy regimen.
Arm 4A (exploratory): Pumitamig (dose level 2) + treatment of physician's choice chemotherapyEXPERIMENTALParticipants will be administered pumitamig plus chemotherapy regimen.
Arm 4B (exploratory): Pumitamig (dose level 2) + treatment of physician's choice chemotherapyEXPERIMENTALParticipants will be administered pumitamig plus chemotherapy regimen
Part 1A - Pumitamig Dose 1 + docetaxelEXPERIMENTAL -
Part 1B - Pumitamig Dose 2 + docetaxelEXPERIMENTAL -
Part 2: Selected doses of pumitamig + docetaxelEXPERIMENTALPumitamig and docetaxel will be administered at the dose level recommended by an internal review committee based on the observed safety profile from Part 1.
Substudy A Phase 2 (Arm 1) - Pumitamig Dose 1 + Carboplatin + PemetrexedEXPERIMENTAL -
Substudy A Phase 2 (Arm 2) - Pumitamig Dose 2 + Carboplatin + PemetrexedEXPERIMENTAL -
Substudy A Phase 2 (Arm 1A - China only) - Pumitamig Dose 3 + Carboplatin + PemetrexedEXPERIMENTAL -
Substudy A Phase 3 (Arm 3) - Pumitamig Dose 3 + Carboplatin + PemetrexedEXPERIMENTAL -
Substudy A Phase 3 (Arm 4) - Pembrolizumab + Carboplatin + PemetrexedACTIVE_COMPARATOR -
Substudy B Phase 2 (Arm 1) - Pumitamig Dose 1 + Carboplatin + PaclitaxelEXPERIMENTAL -
Substudy B Phase 2 (Arm 2) - Pumitamig Dose 2 + Carboplatin + PaclitaxelEXPERIMENTAL -
Substudy B Phase 2 (Arm 1A, China only) - Pumitamig Dose 3 + Carboplatin + PaclitaxelEXPERIMENTAL -
Substudy B Phase 3 (Arm 3) - Pumitamig Dose 3 + Carboplatin + PaclitaxelEXPERIMENTAL -
Substudy B Phase 3 (Arm 4) - Pembrolizumab + Carboplatin + PaclitaxelACTIVE_COMPARATOR -

Interventions

NameTypeDescription
PumitamigDRUGSolution for intravenous (IV) infusion
Nab-paclitaxel/PaclitaxelDRUGIV infusion
GemcitabineDRUGIV infusion
CarboplatinDRUGIV infusion
EribulinDRUGIV infusion
Matching placeboDRUGIV infusion
AtezolizumabDRUGIntravenous infusion
EtoposideDRUGIntravenous infusion and capsules
Carboplatin (or cisplatin if carboplatin is not tolerated)DRUGIntravenous infusion
BevacizumabDRUGIV infusion
TemozolomideDRUGOral
Nab-paclitaxelDRUGIV infusion
mFOLFIRINOXDRUGIV infusion
DocetaxelDRUGIntravenous infusion
PembrolizumabDRUGIntravenous infusion
PemetrexedDRUGIntravenous infusion
PaclitaxelDRUGIntravenous infusion
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites161

Inclusion Criteria: * Are considered ineligible for combination treatment with a monospecific PD(L)1 targeting immunotherapy plus chemotherapy as per their tumor PD-L1 expression status. * Have confirmed locally recurrent inoperable or metastatic TNBC, or estrogen receptor (ER)-low, human epidermal...

Countries:United StatesAustraliaBelgiumBrazilChinaCzechiaGeorgiaGermanyItalyJapanPolandSouth KoreaSpainUnited KingdomFranceNetherlandsRomaniaTurkey (Türkiye)BulgariaHungarySwitzerlandThailand
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Recent Changes (Last 90 Days)

LOWSep 4, 2026NCT06712316lastUpdatePostDate: changed
LOWSep 4, 2026NCT06712316lastUpdatePostDate: changed
LOWSep 1, 2026NCT06712355lastUpdatePostDate: changed
LOWSep 1, 2026NCT06712355lastUpdatePostDate: changed
MEDIUMAug 14, 2026NCT06712316Enrollment: 1260 → 1580
MEDIUMAug 14, 2026NCT06712316Enrollment: 1260 → 1580
MEDIUMAug 14, 2026NCT06712316Enrollment: 1260 → 1580
LOWAug 3, 2026NCT07173751lastUpdatePostDate: changed
LOWAug 3, 2026NCT07173751lastUpdatePostDate: changed
LOWJul 28, 2026NCT07255404lastUpdatePostDate: changed
LOWJul 28, 2026NCT07255404lastUpdatePostDate: changed
LOWJul 24, 2026NCT06712355lastUpdatePostDate: changed
LOWJul 24, 2026NCT06712355lastUpdatePostDate: changed
LOWJul 17, 2026NCT07173751lastUpdatePostDate: changed
LOWJul 17, 2026NCT07173751lastUpdatePostDate: changed
LOWJul 2, 2026NCT06712355lastUpdatePostDate: changed
LOWJul 2, 2026NCT06712316lastUpdatePostDate: changed
LOWJul 2, 2026NCT06712355lastUpdatePostDate: changed
LOWJul 2, 2026NCT06712316lastUpdatePostDate: changed
LOWJul 2, 2026NCT06712355lastUpdatePostDate: changed

Frequently asked questions about Pumitamig

What is Pumitamig used for?

Pumitamig is an investigational oncology therapy being studied for Non-small Cell Lung Cancer, Breast Neoplasms, Extensive-stage Small-cell Lung Cancer, Recurrent Glioblastoma, and Pancreatic Ductal Adenocarcinoma (PDAC). It is currently in Phase 3 clinical development for some of these indications.

Who makes Pumitamig?

Pumitamig is being developed by BioNTech SE, a biopharmaceutical company traded on the NASDAQ under the ticker symbol BNTX. The company is conducting clinical trials to evaluate the drug's safety and efficacy in various cancer types.

What phase is Pumitamig in?

Pumitamig is in Phase 3 clinical development. It is an investigational drug, meaning it has not yet been approved by regulatory authorities. Active trials are recruiting participants to study its effects in multiple cancer indications.

What clinical trials is Pumitamig in?

Pumitamig is being evaluated in several recruiting trials, including NCT06712316 and NCT06841055 for Non-small Cell Lung Cancer, NCT07173751 for Breast Neoplasms, and NCT07297212 for Recurrent Glioblastoma. These trials are assessing safety, efficacy, and pharmacokinetics.

Is Pumitamig the same as BNT327?

Yes, Pumitamig is also known as BNT327. Clinical trial titles refer to the drug as both Pumitamig and BNT327, such as in the study 'Safety and Preliminary Efficacy of Pumitamig (BNT327)' for Non-small Cell Lung Cancer.