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BX004

Phase 2

Chronic Pseudomonas Aeruginosa Infection | Monoclonal antibody | Infectious Disease |BiomX Inc.|Trials Updated: Jul 22, 2025

BX004 development status

Highest phase Phase 2
Registered trials 1 across 1 sponsor since May 2025

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials1
Total Enrollment63

FDA Designations

ORPHAN_DRUG

BX004 clinical trials

BX004 · 1 trial · 2 indications

Phase 2 1
NCT06998043Study With Phage for CF Subjects With Pseudomonas Lung InfectionChronic Pseudomonas Aeruginosa Infection
RECRUITING63 Analytics
PHASE2RECRUITING
Study With Phage for CF Subjects With Pseudomonas Lung Infection
Chronic Pseudomonas Aeruginosa InfectionUnlock trial analytics

Study Endpoints

Primary Endpoints

Change in sputum Pseudomonas aeruginosa (PsA) burden at 8 weeks (EOT)
8 weeks

Change from baseline in PsA colony-forming units (CFU) per g of sputum

Secondary Endpoints

Change in lung function at D8, D29, D43, D57 (EOT), D85, 3 months post-dose, and 6 months post-dose
from Day 8 until 6 months after last dose (end of study)
Change from Baseline in CFQ-R respiratory domain
until 6 months after last dose of study drug
Change from Baseline in CFRSD-CRISS
until 6 months after last dose of study drug
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
BX004EXPERIMENTALParticipants will be randomized to receive standard dose of nebulized bacteriophage
PlaceboPLACEBO_COMPARATORParticipants will be randomized to receive nebulized placebo

Interventions

NameTypeDescription
BX004BIOLOGICALBacteriophage
PlaceboOTHERPlacebo
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites14

Key Inclusion Criteria: * Cystic fibrosis patients with chronic Pseudomonas aeruginosa pulmonary infection receiving standard of care inhaled antibiotics (cycling or continuous regimen) or no inhaled antibiotics * Age ≥ 18 years * FEV1 40%-80% predicted * Clinically stable lung disease * Willing an...

Countries:United States
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Frequently asked questions about BX004

What is BX004 used for?

BX004 is an investigational therapy being developed for chronic Pseudomonas aeruginosa infection in people with cystic fibrosis. It is designed to target Pseudomonas bacteria in the lungs of CF patients. BX004 is currently in Phase 2 clinical development and has not been approved by the FDA.

Who is developing BX004?

BX004 is being developed by BiomX Inc., a biotechnology company whose common stock trades on the NYSE American under the ticker symbol PHGE. BiomX is the sponsor of the clinical program evaluating BX004 in patients with cystic fibrosis and chronic Pseudomonas aeruginosa lung infection.

What phase is BX004 in?

BX004 is in Phase 2 clinical development. The ongoing trial is a Phase 2 study that is currently recruiting participants. BX004 has not completed any clinical trials and has not received FDA approval for any indication.

What clinical trials is BX004 in?

BX004 is being evaluated in a single Phase 2 clinical trial, NCT06998043, titled Study With Phage for CF Subjects With Pseudomonas Lung Infection. The trial is recruiting in the United States, has an estimated enrollment of 63 adults aged 18 and older, and is randomized, double-blind, and placebo-controlled.

Has BX004 received any FDA designations?

BX004 has received Orphan Drug designation from the FDA for its development in chronic Pseudomonas aeruginosa infection. This designation is granted to investigational therapies intended to treat rare diseases or conditions. BX004 remains investigational and has not been approved by the FDA.