Status:

ACTIVE_NOT_RECRUITING

Intratumoral PH-762 for Cutaneous Carcinoma

Lead Sponsor:

Phio Pharmaceuticals Inc.

Collaborating Sponsors:

Prosoft Clinical

Conditions:

Squamous Cell Carcinoma of the Skin

Malignant Melanoma of Skin

Eligibility:

All Genders

18+ years

Phase:

PHASE1

Brief Summary

The goal of this clinical trial is to evaluate the safety and tolerability of intratumoral injections of PH-762 in squamous cell carcinoma, melanoma, or Merkel cell carcinomas of the skin, to understa...

Detailed Description

PH-762 is a potent RNAi molecule targeting PD-1. PH-762 can inhibit the immune checkpoint PD-1 in the tumor and thereby impede tumor growth. As a preoperative therapy, it may decrease the lesion size ...

Eligibility Criteria

Inclusion

  • Key
  • Histologically confirmed cutaneous squamous cell carcinoma (cSCC), melanoma, or Merkel cell carcinoma, meeting one of the following criteria:
  • cSCC, resectable local tumors: must be Stage II or lower, amenable to curative resection and in a location where acceptable surgical margins are anticipated
  • cSCC, unresectable local tumors: must be Stage II or lower, tumor has been unresponsive to prior radiation therapy or is not a candidate for curative radiation therapy
  • cSCC, metastatic disease: disease has progressed during or following prior checkpoint inhibitor therapy (anti-PD-1 or anti-PD-L1 antibody)
  • Melanoma, metastatic disease: Stage IV disease with a cutaneous lesion that has progressed during or following checkpoint inhibitor therapy (anti-PD-1/-PD-L1), and if BRAF-mutation is present, has progressed during or following prior treatment with anti-BRAF + MEK therapy
  • Merkel cell carcinoma, metastatic disease: Stage IV disease with a cutaneous lesion that has progressed during or following checkpoint inhibitor therapy (anti-PD-1/PD-L1)
  • A minimum of one tumor of ≥ 1.0 cm and \< 3.0 cm in longest dimension that is accessible (with or without imaging guidance) for intratumoral injection and for biopsy and surgical excision must be present. The tumor is not necrotic, hemorrhagic, or friable, and is not within 2 cm of the eye or within 0.5 cm of or on the lip (including the vermilion border) and is not in a mucosal or visceral location.
  • Key

Exclusion

  • Other malignancy within prior 3 years, with certain exceptions.
  • Current cancer chemotherapy, radiation therapy, immunotherapy, or biologic therapy.
  • Any serious or uncontrolled medical disorder including auto-immune disease that may increase the risk associated with study participation or study drug administration, or interfere with the interpretation of study results.
  • Females who are pregnant or are breastfeeding.

Key Trial Info

Start Date :

November 7 2023

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

April 1 2026

Estimated Enrollment :

30 Patients enrolled

Trial Details

Trial ID

NCT06014086

Start Date

November 7 2023

End Date

April 1 2026

Last Update

December 24 2025

Active Locations (5)

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Page 1 of 2 (5 locations)

1

Banner MD Anderson Cancer Center

Gilbert, Arizona, United States, 85234

2

Paradigm Clinical Research

San Diego, California, United States, 92108

3

Integrity Research

Delray Beach, Florida, United States, 33445

4

Skin Cancer and Dermatology Institute

Reno, Nevada, United States, 89509