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Study BT7480-100 in Patients With Advanced Malignancies Associated With Nectin-4 Expression

B

BicycleTx

Status and phase

Active, not recruiting
Phase 2
Phase 1

Conditions

Advanced Solid Tumor

Treatments

Drug: BT7480
Drug: Nivolumab

Study type

Interventional

Funder types

Industry

Identifiers

NCT05163041
BT7480-100

Details and patient eligibility

About

This clinical study is evaluating a drug called BT7480 alone and in combination with nivolumab in participants with advanced solid tumors associated with Nectin-4 expression.

The main goals of the study are to:

  • Find the recommended dose of BT7480 that can be given safely to participants alone and in combination with nivolumab
  • Learn about the side effects and effectiveness of BT7480 alone and in combination with nivolumab
  • Learn about the effect BT7480 has on the body and how BT7480 is cleared by the body
  • Learn about the side effects and effectiveness of BT7480 in patients with reduced kidney function

Full description

BT7480 is a tumor targeted immune cell agonist consisting of three bicyclic peptides (Bicycle®) conjugated via a linker, one that binds selectively to Nectin-4 and two that bind to CD137.

This study is a Phase 1/2, multicenter, first-in-human, open-label study of BT7480 given as a single agent and in combination with nivolumab once weekly. There are five parts to the trial: 1) Phase 1 dose escalation in patients with select advanced solid tumors primarily to evaluate safety and tolerability of BT7480 as a monotherapy and determine a recommended Phase 2 dose (RP2D); 2) Phase 1 dose escalation in combination with nivolumab, once the monotherapy RP2D has been determined; 3) Phase 2 dose expansion as a monotherapy once the RP2D has been determined; 4) Phase 2 dose expansion in combination with nivolumab; 5) Phase 1 monotherapy dose confirmation in patients with renal insufficiency once the monotherapy RP2D has been determined

Enrollment

200 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Must have locally advanced or metastatic disease that is refractory to standard therapy, or for which no standard therapy is judged to be appropriate or provide clinical benefit, as judged by the Investigator
  • Must have a histologically or cytologically confirmed malignant solid tumor associated with Nectin-4 expression, including, but not limited to, urothelial (transitional cell) carcinoma; head and neck squamous cell carcinoma; non-small cell lung cancer; and ovarian, breast, gastric, or esophageal carcinoma
  • Must have ECOG performance status score 0 or 1 and acceptable organ and hematological function
  • Must have metastatic or locally advanced disease and measurable disease per Response Evaluation Criteria in Solid Tumors (RECIST) 1.1
  • Life expectancy ≥12 weeks
  • Must submit fresh or archival tumor tissue
  • Must provide written informed consent, according to local guidelines, signed and dated by the patient or by a legal guardian prior to the performance of any study-specific procedures, sampling, or analysis

Exclusion criteria

  • Prior therapy with a cytotoxic, small molecule, or other systemic chemotherapy within 14 days of the first dose of study drug
  • Prior immunotherapy, including monoclonal antibodies, within 28 days or 5 half-lives of the first dose of study drug, whichever is shorter
  • Prior treatment with CD137 targeted therapy
  • Mean resting QTc (eg, QTcF) greater than 470 msec on triplicate electrocardiograms (ECGs) obtained at screening
  • Uncontrolled symptomatic brain metastases
  • Uncontrolled diabetes with glycosylated hemoglobin greater than or equal to 8%
  • Uncontrolled hypertension at screening or prior to initiation of study drug
  • History of autoimmune disease except well-controlled diabetes mellitus, alopecia, well controlled thyroid disease or vitiligo

Trial design

Primary purpose

Treatment

Allocation

Non-Randomized

Interventional model

Sequential Assignment

Masking

None (Open label)

200 participants in 5 patient groups

BT7480 monotherapy dose escalation
Experimental group
Description:
Participants will receive increasing doses of BT7480. It is expected that approximately 80 patients will participate in this dose escalation arm.
Treatment:
Drug: BT7480
BT7480 and nivolumab dose escalation
Experimental group
Description:
Participants will receive increasing doses of BT7480 and standard dose of nivolumab. It is expected that approximately 12 patients will participate in this dose escalation arm.
Treatment:
Drug: Nivolumab
Drug: BT7480
BT7480 monotherapy dose expansion
Experimental group
Description:
Participants will receive a selected dose of BT7480. It is expected that approximately 45 patients will participate in this dose expansion arm in Phase 2.
Treatment:
Drug: BT7480
BT7480 and nivolumab dose expansion
Experimental group
Description:
Participants will receive a selected dose of BT7480 and standard dose of nivolumab. It is expected that approximately 45 patients will participate in this dose expansion arm in Phase 2.
Treatment:
Drug: Nivolumab
Drug: BT7480
BT7480 monotherapy in patients with renal insufficiency
Experimental group
Description:
Participants will receive a selected dose of BT7480. It is expected that approximately 12 patients will participate in this dose confirmation arm.
Treatment:
Drug: BT7480

Trial contacts and locations

9

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Central trial contact

BicycleTx Limited

Data sourced from clinicaltrials.gov

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