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ATR04-484

Phase 1

EGFR Inhibitor-associated Rash | Small molecule | Dermatology |Azitra Inc|Last Updated: Feb 11, 2026

Target and mechanism

Molecular targetEGFR
Target classProtein
ModalitySmall molecule

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials1
Total Enrollment32

FDA Designations

FAST_TRACK

Clinical trial landscape

ATR04-484 · 1 trial · 1 indication

Phase 1 1
NCT06830863A Study to Evaluate Topical ATR04-484 for EGFRi-Associated Dermal ToxicityEGFR Inhibitor-associated Rash
RECRUITING32 Analytics
PHASE1RECRUITING
A Study to Evaluate Topical ATR04-484 for EGFRi-Associated Dermal Toxicity
EGFR Inhibitor-associated RashUnlock trial analytics

Study Endpoints

Primary Endpoints

Safety and tolerability
57 days

Treatment-emergent adverse events

Secondary Endpoints

Severity of dermal toxicity
57 days
Pruritus
57 days
Quality-of-life assessment
57 days
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
ATR04-484EXPERIMENTALTopically applied ATR04-484
VehiclePLACEBO_COMPARATORTopically applied vehicle

Interventions

NameTypeDescription
ATR04-484DRUGATR04-484 is a recombinant live biotherapeutic product (rLBP) containing the engineered S. epidermidis strain SE484 in an ointment formulation for topical use
VehicleDRUGTopically applied vehicle.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites6

Inclusion Criteria: * Adults ≥18 years of age * Has Grade 2 or 3 non-infected moderate to severe EGFRi-related dermal toxicity affecting the face (the neck, chest, back and other areas may also be affected) Exclusion Criteria: * Significant skin disease other than EGFRi-related dermal toxicity * ...

Countries:United States
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Recent Changes (Last 90 Days)

LOWMay 26, 2026NCT06830863primaryCompletionDate: changed
LOWMay 24, 2026NCT06830863studyFirstPostDate: changed

Frequently asked questions about ATR04-484

What is ATR04-484 used for?

ATR04-484 is an investigational small molecule being developed for the treatment of EGFR inhibitor-associated rash, a dermatologic condition. It is a topical therapy designed to address dermal toxicity that can occur in patients receiving EGFR inhibitor treatments. The drug is currently being evaluated in a Phase 1 clinical trial.

What does ATR04-484 target?

ATR04-484 targets EGFR, the epidermal growth factor receptor, a protein involved in cell signaling and growth. By targeting EGFR, the drug is intended to address skin-related side effects associated with EGFR inhibitor therapy. This mechanism is the basis for its potential use in managing EGFR inhibitor-associated rash.

Who is developing ATR04-484?

ATR04-484 is being developed by Azitra Inc, a biopharmaceutical company. Azitra is conducting clinical research on this investigational therapy for EGFR inhibitor-associated rash. The company is listed on the stock exchange under the ticker symbol AZTR.

What phase is ATR04-484 in?

ATR04-484 is currently in Phase 1 clinical development. It is an investigational drug, meaning it has not yet been approved by regulatory authorities. The Phase 1 trial is actively recruiting participants to evaluate the therapy's safety and tolerability in patients with EGFR inhibitor-associated rash.

What clinical trials is ATR04-484 in?

ATR04-484 is being studied in a Phase 1 clinical trial registered as NCT06830863. This trial is titled 'A Study to Evaluate Topical ATR04-484 for EGFRi-Associated Dermal Toxicity' and is currently recruiting participants in the United States. The study is randomized, double-blind, and placebo-controlled, with an enrollment target of 32 patients.

Is ATR04-484 the same as other EGFR-targeting drugs?

ATR04-484 is a distinct investigational small molecule that targets EGFR, but it is being developed specifically for the dermatologic side effect of EGFR inhibitor-associated rash. It is not described as being the same as any other named drug. Its unique formulation and indication differentiate it from other EGFR-targeting therapies.