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A Study of Peluntamig (PT217) in Patients with Neuroendocrine Carcinomas Expressing DLL3 (the SKYBRIDGE Study)

Phase 1
Recruiting
Conditions
Small Cell Lung Cancer (SCLC)
Large Cell Neuroendocrine Cancer (LCNEC)
Neuroendocrine Prostate Cancer (NEPC)
Gastroenteropancreatic Neuroendocrine Carcinoma (GEP-NEC)
Neuroendocrine Carcinomas (NEC)
Extrapulmonary Neuroendocrine Carcinoma (EP-NEC)
Interventions
Drug: Peluntamig (PT217)
Drug: Paclitaxel.
Registration Number
NCT05652686
Lead Sponsor
Phanes Therapeutics
Brief Summary

This is a first-in-human, Phase 1/2, open-label, dose escalation, dose expansion and combination study designed to evaluate the safety, tolerability, pharmacokinetics, pharmacodynamics, and preliminary efficacy of Peluntamig (PT217) as a monotherapy and in combination with chemotherapy.

Detailed Description

Not available

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
203
Inclusion Criteria

Not provided

Exclusion Criteria

Not provided

Study & Design

Study Type
INTERVENTIONAL
Study Design
SEQUENTIAL
Arm && Interventions
GroupInterventionDescription
Part A: Dose EscalationPeluntamig (PT217)A standard 3+3 dose escalation design will be employed.
Part B: Dose ExpansionPeluntamig (PT217)Part B cohorts will open after the dose level considered for RDE has been cleared in Parts A, C and D.
Part C: Chemotherapy Combination TherapyPeluntamig (PT217)Part C of the study will include Cohorts C1 and C2, combining Peluntamig (PT217) with chemotherapy.
Part C: Chemotherapy Combination TherapyCarboplatin + EtoposidePart C of the study will include Cohorts C1 and C2, combining Peluntamig (PT217) with chemotherapy.
Part C: Chemotherapy Combination TherapyPaclitaxel.Part C of the study will include Cohorts C1 and C2, combining Peluntamig (PT217) with chemotherapy.
Part D: ICI Combination TherapyPeluntamig (PT217)In part D, Peluntamig (PT217) will be given in combination with atezolizumab, either alone or in combination with chemotherapy.
Part D: ICI Combination TherapyCarboplatin + EtoposideIn part D, Peluntamig (PT217) will be given in combination with atezolizumab, either alone or in combination with chemotherapy.
Part D: ICI Combination TherapyAtezolizumabIn part D, Peluntamig (PT217) will be given in combination with atezolizumab, either alone or in combination with chemotherapy.
Primary Outcome Measures
NameTimeMethod
To evaluate the safety and tolerability of Peluntamig (PT217).Through study completion.
To determine the dose-limiting toxicity (DLT) of Peluntamig (PT217).Through study completion.
To determine the maximum tolerated dose (MTD) of Peluntamig (PT217) if reached.Through study completion.
To determine recommended dose for expansion (RDE) of Peluntamig (PT217).Through study completion.
Secondary Outcome Measures
NameTimeMethod
To evaluate the pharmacokinetics of Peluntamig (PT217).Through study completion.
To evaluate the immunogenicity (ADA) of Peluntamig (PT217).Through study completion.
To evaluate the preliminary efficacy of Peluntamig (PT217).Through study completion.

Trial Locations

Locations (7)

Massachusetts General Hospital

🇺🇸

Boston, Massachusetts, United States

Dana-Farber Cancer Institute

🇺🇸

Boston, Massachusetts, United States

University of North Carolina at Chapel Hill

🇺🇸

Chapel Hill, North Carolina, United States

Sarah Cannon Research Institute University of Oklahoma

🇺🇸

Oklahoma City, Oklahoma, United States

Sarah Cannon Research Institute at HealthONE

🇺🇸

Denver, Colorado, United States

Mays Cancer Center / University of Texas, San Antonio

🇺🇸

San Antonio, Texas, United States

NEXT Virginia

🇺🇸

Fairfax, Virginia, United States

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