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SL-279252

Phase 1

Squamous Cell Carcinoma of the Head and Neck | Small molecule | Oncology |Shattuck Labs, Inc.|Last Updated: Apr 2, 2025

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLEDDMC
Total Trials1
Total Enrollment49

FDA Designations

No designations recorded

Clinical trial landscape

SL-279252 · 1 trial · 13 indications

Phase 1 1
NCT03894618SL-279252 (PD1-Fc-OX40L) in Subjects With Advanced Solid Tumors or LymphomasSquamous Cell Carcinoma of the Head and Neck
COMPLETED49 Analytics
PHASE1COMPLETED
SL-279252 (PD1-Fc-OX40L) in Subjects With Advanced Solid Tumors or Lymphomas
Squamous Cell Carcinoma of the Head and NeckUnlock trial analytics

Study Endpoints

Primary Endpoints

Safety Profile of SL-279252
From Day 1 to 90 days after Last Dose of SL-279252

Number of participants with treatment emergent adverse events

Maximum Tolerated Dose (MTD) of SL-279252
From Day 1 to Day 21 (Schedule 1) or Day 28 (Schedule 2)

Number of participants with dose limiting toxicities (DLTs)

Secondary Endpoints

Recommended Phase 2 Dose for SL-279252
Approximately 32 months
Overall Response Rate of SL-279252
Approximately 32 months
Immunogenicity to SL-279252
Approximately 32 months
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
SL-279252EXPERIMENTALIntravenous administration; Two possible dosing schedules for SL-279252 may be evaluated

Interventions

NameTypeDescription
SL-279252DRUGThe investigational product (IP), SL-279252, is a first-in-class agonist redirected checkpoint (ARC) fusion protein (FP) consisting of the extracellular domains of human programmed cell death 1 (PD- 1) and OX40L, linked by a central Fc domain (PD1-Fc-OX40L).
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Eligibility Criteria

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

Inclusion Criteria: Participants are eligible to be included in the study only if all the following criteria apply. 1. Subject has voluntarily agreed to participate by giving written informed consent in accordance with ICH/GCP guidelines and applicable local regulations. 2. Subject has a histologi...

Countries:United StatesBelgiumCanadaSpain
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Frequently asked questions about SL-279252

What is SL-279252 used for?

SL-279252 is an investigational small molecule being studied for the treatment of squamous cell carcinoma of the head and neck, as well as other advanced solid tumors and lymphomas. It is currently in Phase 1 clinical development and has not been approved by regulatory authorities.

What does SL-279252 target?

SL-279252 is designed to target the PD-1 and OX40L pathways, as indicated by its alternative name PD1-Fc-OX40L. It is being investigated for its potential to modulate immune responses in the treatment of advanced solid tumors and lymphomas.

Who makes SL-279252?

SL-279252 is being developed by Shattuck Labs, Inc., a biopharmaceutical company traded on the stock exchange under the ticker symbol STTK. The company is conducting clinical research to evaluate the safety and efficacy of this investigational therapy.

What phase is SL-279252 in?

SL-279252 is in Phase 1 clinical development. It is an investigational drug that has not yet received regulatory approval. The Phase 1 trial has been completed, and the drug remains under investigation for the treatment of advanced solid tumors and lymphomas.

What clinical trials is SL-279252 in?

SL-279252 has been studied in a Phase 1 clinical trial registered as NCT03894618, titled "SL-279252 (PD1-Fc-OX40L) in Subjects With Advanced Solid Tumors or Lymphomas." The trial enrolled 49 participants and was conducted in the United States, Belgium, Canada, and Spain.

Is SL-279252 the same as PD1-Fc-OX40L?

Yes, SL-279252 is also known as PD1-Fc-OX40L. This alternative name reflects its mechanism of action, which involves the PD-1 and OX40L pathways. The drug is being developed by Shattuck Labs, Inc. for the treatment of advanced solid tumors and lymphomas.