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PH-762

Phase 1

Squamous Cell Carcinoma of the Skin | Small molecule | Oncology |Phio Pharmaceuticals Corp.|Trials Updated: Sep 21, 2026

PH-762 development status

Highest phase Phase 1
Registered trials 1 across 1 sponsor since Aug 2023

PH-762 target and mechanism

Molecular targetPD-1
Target classGene
ModalitySmall molecule

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment22

FDA Designations

No designations recorded

PH-762 clinical trials

PH-762 · 1 trial · 3 indications

Phase 1 1
NCT06014086Intratumoral PH-762 for Cutaneous CarcinomaSquamous Cell Carcinoma of the Skin
COMPLETED22 Analytics
PHASE1COMPLETED
Intratumoral PH-762 for Cutaneous Carcinoma
Squamous Cell Carcinoma of the SkinUnlock trial analytics

Study Endpoints

Primary Endpoints

Adverse Events
16 weeks

Incidence, severity, seriousness and relatedness of all treatment-emergent adverse events.

Secondary Endpoints

Pharmacokinetics: maximum plasma concentration (Cmax)
3.5 weeks
Pharmacokinetics: time to maximum plasma concentration (Tmax)
3.5 weeks
Pharmacokinetics: area under the curve to last quantifiable plasma concentration (AUClast)
3.5 weeks
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Sequential escalating doses of PH-762.EXPERIMENTALEscalating doses of PH-762 are to be tested, with an observation period between doses.

Interventions

NameTypeDescription
PH-762DRUGPH-762 is a potent RNAi molecule targeting PD-1.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites5

Key Inclusion Criteria: * 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 su...

Countries:United States
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Recent Changes (Last 90 Days)

HIGHSep 21, 2026NCT06014086Status: ACTIVE_NOT_RECRUITING → COMPLETED
HIGHSep 21, 2026NCT06014086Status: ACTIVE_NOT_RECRUITING → COMPLETED

Frequently asked questions about PH-762

What is PH-762?

PH-762 is an investigational small molecule developed by Phio Pharmaceuticals Corp. (ticker PHIO) for the treatment of squamous cell carcinoma of the skin. It is designed to target PD-1 and is being studied as an intratumoral therapy in oncology. PH-762 remains in clinical development and is not approved for commercial use.

What is PH-762 used for in squamous cell carcinoma of the skin?

PH-762 is being evaluated for the treatment of squamous cell carcinoma of the skin, a type of non-melanoma skin cancer. It is administered intratumorally and is also being studied in related cutaneous carcinomas including malignant melanoma of skin and Merkel cell carcinoma of skin. The drug is investigational and has not been approved for any indication.

What does PH-762 target?

PH-762 targets PD-1, a gene that encodes an immune checkpoint protein. By targeting PD-1, PH-762 is intended to modulate the immune response against tumor cells. This mechanism is being investigated in cutaneous carcinomas, including squamous cell carcinoma of the skin.

Who is developing PH-762?

PH-762 is being developed by Phio Pharmaceuticals Corp., a biopharmaceutical company that trades under the ticker symbol PHIO. The company is advancing PH-762 as an intratumoral small molecule for cutaneous carcinomas, including squamous cell carcinoma of the skin.

What phase is PH-762 in?

PH-762 is in Phase 1 clinical development. A single Phase 1 trial has been completed, evaluating intratumoral PH-762 in patients with cutaneous carcinoma. The drug is investigational and has not received FDA approval for any indication.

What clinical trials is PH-762 in?

PH-762 has been studied in one completed Phase 1 trial, NCT06014086, titled Intratumoral PH-762 for Cutaneous Carcinoma. The trial enrolled 22 participants in the United States and included patients with squamous cell carcinoma of the skin, malignant melanoma of skin, and Merkel cell carcinoma of skin. It was an uncontrolled, non-randomized study.