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SVV-001 With Nivolumab and Ipilimumab in Patients With Poorly Differentiated Neuroendocrine Carcinomas (NEC) or Well-Differentiated High-Grade Neuroendocrine Tumors (NET)

NCT06889493 · Status: RECRUITING · Phase: PHASE1 · Type: INTERVENTIONAL · Enrollment: 36

Last updated 2026-04-28

No results posted yet for this study

Summary

The purpose of this study is to determine:

1. The highest dose of the trial intervention that targets neuroendocrine tumors and is tolerated by patients.
2. The highest frequency of dosing of the trial intervention that targets neuroendocrine tumors and is tolerated by patients.
3. The highest dose and frequency of dosing of the trial intervention that targets neuroendocrine tumors with at least the same degree of effectiveness and tolerability as currently available (standard of care) treatments for patients with neuroendocrine tumors.

Conditions

Interventions

DRUG

Ipilimumab

Ipilimumab will be administered via intravenous (IV) injection at a dose of 1 mg/kg, once every six weeks starting on Day 15 until Day 85 during SVV-001 therapy. Participants will continue on 1 mg/kg ipilimumab IV every 6 weeks for two additional doses or unacceptable toxicity and/or participant withdrawal.

BIOLOGICAL

Seneca Valley Virus-001 (SVV-001)

SVV-001 will be administered intratumorally as a single dose on Day 1; or as multiple doses on Days 1, 15, 29, 43, 57, and 71. The virus dose levels per SVV-001 treatment are as follows: * 2.2 × 10\^8 Viral Genomes (VG) (starting dose) * 2.2 × 10\^9 VG * 2.2 × 10\^10 VG

DRUG

Nivolumab

Nivolumab will be administered via intravenous (IV) injection at a dose of 240 mg, once every two weeks starting on Day 15 until Day 85 during SVV-001 therapy. Nivolumab will be administered once every four weeks during the maintenance period for up to 2 years.

Sponsors & Collaborators

  • Seneca Therapeutics

    collaborator UNKNOWN

  • Peter Hosein, MD

    lead OTHER

Principal Investigators

  • Peter Hosein, MD · University of Miami

Study Design

Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
SEQUENTIAL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-05-19
Primary Completion
2030-06-01
Completion
2030-06-01
FDA Drug
Yes

Countries

  • United States

Study Locations

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Entities

Drugs
Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06889493 on ClinicalTrials.gov