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Nuzefatide pevedotin

Phase 2

Pancreatic Ductal Adenocarcinoma (PDAC) | Small molecule | Oncology |Bicycle Therapeutics plc|Last Updated: Aug 13, 2026

Target and mechanism

Molecular targetEphA2
Target class-Tide (Peptide)
ModalitySmall molecule

Also known as BT5528, nuzefatide pevedotin (BT5528)

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLED
Total Trials1
Total Enrollment39

FDA Designations

No designations recorded

Clinical trial landscape

Nuzefatide pevedotin · 2 trials · 8 indications

Phase 2 1Phase 1 1
NCT07450859A Study of Nuzefatide Pevedotin (BT5528) in Patients With Metastatic Pancreatic Ductal Adenocarcinoma (PDAC)Pancreatic Ductal Adenocarcinoma (PDAC)
RECRUITING39 Analytics
PHASE2RECRUITING
A Study of Nuzefatide Pevedotin (BT5528) in Patients With Metastatic Pancreatic Ductal Adenocarcinoma (PDAC)
Pancreatic Ductal Adenocarcinoma (PDAC)Unlock trial analytics

Study Endpoints

Primary Endpoints

Objective Response Rate (ORR)
Up to approximately 3 years

Percentage of participants who achieve a confirmed complete response (CR) or partial response (PR) per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 as assessed by the Investigator

Part A-1 and A-2(escalations): Number of participants receiving BT5528 alone and in combination with nivolumab with treatment-emergent adverse events
From Cycle 1 Day 1 (each cycle is 28 days) until 30 days post last dose

Safety reported as incidence of treatment-emergent adverse events

Part A-1 and A-2 (escalations): Maximum tolerated dose (MTD) by the number of participants with dose limiting toxicities from BT5528 treatment alone and in combination with nivolumab
At the end of Cycle 1 (each cycle is 28 days)

Maximum Tolerated Dose (MTD)

Part B: Objective response rate by RECIST 1.1 in participants with solid tumors historically known for high expression of EphA2 tumor expression receiving BT5528 treatment
From Cycle 1 Day 1 (each cycle is 28 days) until disease progression or death or new anti-cancer therapy or loss of follow-up or withdrawal of consent (assessed every 8 weeks during study treatment)

Objective Response Rate (ORR)

Part B: Duration of response by RECIST 1.1 in participants with solid tumors historically known for high expression of EphA2 receiving BT5528 treatment
From Cycle 1 Day 1 (each cycle is 28 days) until disease progression or death or new anti-cancer therapy or loss of follow-up or withdrawal of consent (assessed every 8 weeks during study treatment)

Duration of Response (DOR)

Part B: Clinical benefit rate by RECIST 1.1 in participants with solid tumors historically known for high expression of EphA2 receiving BT5528 treatment
From Cycle 1 Day 1 (each cycle is 28 days) until disease progression or death or new anti-cancer therapy or loss of follow-up or withdrawal of consent (assessed every 8 weeks during study treatment)

Clinical benefit rate

Part B: Time to tumor progression by RECIST 1.1 in participants solid tumors historically known for high expression of EphA2 receiving BT5528 treatment
From Cycle 1 Day 1 (each cycle is 28 days) until disease progression or death or new anti-cancer therapy or loss of follow-up or withdrawal of consent (assessed every 8 weeks during study treatment)

Time to Progression (TTP)

Part B: Progression-free survival by RECIST 1.1 in participants solid tumors historically known for high expression of EphA2 receiving BT5528 treatment
From Cycle 1 Day 1 (each cycle is 28 days) until disease progression or death or new anti-cancer therapy or loss of follow-up or withdrawal of consent (assessed every 8 weeks during study treatment)

Progression free survival (PFS)

Part B: PFS at 6 months by RECIST 1.1 in participants with solid tumors historically known for high expression of EphA2 receiving BT5528 treatment
From Cycle 1 Day 1 (each cycle is 28 days) until disease progression or death or new anti-cancer therapy or loss of follow-up or withdrawal of consent (assessed every 8 weeks up to 6 months)

Progression free survival (PFS)

Part B: Overall survival (OS) at 1 year in participants solid tumors historically known for high expression of EphA2 receiving BT5528 treatment
From Cycle 1 Day 1 (each cycle is 28 days) until death or loss of follow-up or withdrawal of consent

Overall survival (OS)

Secondary Endpoints

Duration of Response (DoR) per RECIST v1.1
Up to approximately 3 years
Overall Survival (OS)
Up to approximately 3 years
Disease Control Rate (DCR) per RECIST v1.1
Up to approximately 3 years
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
nuzefatide pevedotin (BT5528) MonotherapyEXPERIMENTAL -
Phase I - Dose escalation (BT5528)EXPERIMENTALCohorts of participants will receive increasing doses of BT5528. It is expected that up to 72 participants will participate in this dose escalation arm.
Phase I - Dose escalation combination (BT5528 & nivolumab)EXPERIMENTALCohorts of participants will receive increasing doses of BT5528 and a standard dose of nivolumab. It is expected that up to 24 participants will participate in this dose-escalation combination arm.
Phase II - Dose expansion 1 (BT5528)EXPERIMENTALA cohort of participants will receive the selected dose of BT5528 as a monotherapy. It is expected that up to 164 patients have solid tumors (Cohort 1: urothelial cancers, Cohort 2: ovarian cancer, Cohort 3: non-small cell lung cancer, Cohort 4: head and neck cancer, Cohort 5: triple-negative breast cancer, and Cohort 6: gastric/upper gastrointestinal cancer) historically known for high expression of EphA2 will participate in this dose-expansion arm, Cohort 7: urothelial MMAE exposed, Cohort 8: head and neck squamous cell carcinoma

Interventions

NameTypeDescription
nuzefatide pevedotin (BT5528)DRUGParticipants will receive nuzefatide pevedotin (BT5528) via intravenous (IV) infusion every 2 weeks (Q2W)
BT5528DRUGParticipants will receive a 60-minute intravenous infusion of BT5528 once a week (Days 1, 8, 15, and 22) or every other week (Days 1 and 15) on a 4-week cycle at the selected dose.
NivolumabDRUGParticipants will receive nivolumab at 480mg intravenous infusion every 4 weeks.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites6

Inclusion Criteria * At least 18 years of age at the time of signature of the informed consent form (or at least 19 years where locally defined as minimum age of consent). * Measurable disease as defined by RECIST v1.1. * Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1. * Lif...

Countries:United StatesBelgiumSouth KoreaSpainUnited Kingdom
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Recent Changes (Last 90 Days)

LOWAug 14, 2026NCT07450859lastUpdatePostDate: changed
LOWAug 14, 2026NCT07450859lastUpdatePostDate: changed
LOWAug 14, 2026NCT07450859lastUpdatePostDate: changed
LOWAug 1, 2026NCT07450859lastUpdatePostDate: changed
LOWAug 1, 2026NCT07450859lastUpdatePostDate: changed
LOWAug 1, 2026NCT07450859lastUpdatePostDate: changed

Frequently asked questions about Nuzefatide pevedotin

What is nuzefatide pevedotin used for?

Nuzefatide pevedotin is an investigational small molecule being studied for the treatment of metastatic Pancreatic Ductal Adenocarcinoma (PDAC). It is currently in Phase 2 clinical development and is not yet approved by regulatory authorities.

What does nuzefatide pevedotin target?

Nuzefatide pevedotin targets EphA2, a receptor tyrosine kinase. It is a peptide-based small molecule designed to bind to EphA2, which is overexpressed in certain tumors, including pancreatic ductal adenocarcinoma.

Who is developing nuzefatide pevedotin?

Nuzefatide pevedotin is being developed by Bicycle Therapeutics plc, a biopharmaceutical company. The company's stock is traded under the ticker symbol BCYC on the NASDAQ.

What phase is nuzefatide pevedotin in?

Nuzefatide pevedotin is currently in Phase 2 clinical development. It is an investigational drug and has not received FDA approval. The ongoing Phase 2 trial is recruiting patients with metastatic pancreatic ductal adenocarcinoma.

What clinical trials is nuzefatide pevedotin in?

Nuzefatide pevedotin is being evaluated in a Phase 2 clinical trial with the identifier NCT07450859. This trial is recruiting patients with metastatic Pancreatic Ductal Adenocarcinoma (PDAC) in the United States, with an estimated enrollment of 39 participants.

Is nuzefatide pevedotin the same as BT5528?

Yes, nuzefatide pevedotin is also known as BT5528. Both names refer to the same investigational drug being developed by Bicycle Therapeutics for the treatment of pancreatic ductal adenocarcinoma.