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ARO-CFB

Phase 1

IgA Nephropathy | Small molecule | Nephrology |Arrowhead Pharmaceuticals, Inc.|Last Updated: May 20, 2026

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindCONTROLLEDDMC
Total Trials1
Total Enrollment49

FDA Designations

No designations recorded

Clinical trial landscape

ARO-CFB · 1 trial · 1 indication

Phase 1 1
NCT06209177Study of ARO-CFB in Adult Healthy VolunteersIgA Nephropathy
COMPLETED49 Analytics
PHASE1COMPLETED
Study of ARO-CFB in Adult Healthy Volunteers
IgA NephropathyUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of Participants with Treatment-Emergent Adverse Events (AEs) and/or Serious Adverse Events (SAEs)
up to Day 169 (End of Study [EOS])

Secondary Endpoints

Pharmacokinetics (PK) of ARO-CFB: Maximum Observed Plasma Concentration (Cmax)
up to 48 hours postdose
PK of ARO-CFB: Time to Maximum Observed Plasma Concentration (Tmax)
up to 48 hours post-dose
PK of ARO-CFB: Area Under the Plasma Concentration Versus Time Curve from Zero to 24 Hours (AUC0-24)
up to 48 hours post-dose
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
ARO-CFB (Healthy Volunteers)EXPERIMENTAL1 or 2 doses of ARO-CFB by subcutaneous (sc) injection
Placebo (Healthy Volunteers)EXPERIMENTALplacebo calculated volume to match active treatment by sc injection

Interventions

NameTypeDescription
ARO-CFBDRUGARO-CFB for sc injection
PlaceboDRUGsterile normal saline (0.9% NaCl for sc injection)
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Eligibility Criteria

Age Range18 Years to 70 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Willing to provide written informed consent and to comply with study requirements * Female participants must be non-pregnant/non-lactating * Healthy volunteers must be willing to be vaccinated with a meningococcal and pneumococcal vaccine. IgAN participants must have been vacc...

Countries:New Zealand
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Recent Changes (Last 90 Days)

MEDIUMJun 20, 2026NCT06209177TRIAL_REMOVED: changed
MEDIUMJun 20, 2026NCT06209177TRIAL_REMOVED: changed
MEDIUMJun 20, 2026NCT06209177TRIAL_REMOVED: changed

Frequently asked questions about ARO-CFB

What is ARO-CFB used for?

ARO-CFB is an investigational drug being developed for IgA Nephropathy, a kidney disease. It is currently in Phase 1 clinical development, meaning it has not yet been approved for any use. The drug is being studied in adult healthy volunteers to assess its safety and tolerability.

What does ARO-CFB target?

ARO-CFB is a small molecule being developed by Arrowhead Pharmaceuticals. The specific molecular target of ARO-CFB has not been disclosed in available information. The drug is being studied for its potential role in treating IgA Nephropathy, but its mechanism of action is not publicly detailed.

Who makes ARO-CFB?

ARO-CFB is being developed by Arrowhead Pharmaceuticals, Inc., a biopharmaceutical company traded on the NASDAQ under the ticker symbol ARWR. The company is conducting clinical research on this investigational drug for the treatment of IgA Nephropathy.

What phase is ARO-CFB in?

ARO-CFB is in Phase 1 clinical development. It is an investigational drug and has not been approved by regulatory authorities. The Phase 1 study has been completed, and the drug remains in early-stage clinical testing for IgA Nephropathy.

What clinical trials is ARO-CFB in?

ARO-CFB has one completed clinical trial registered under NCT06209177, titled 'Study of ARO-CFB in Adult Healthy Volunteers.' This Phase 1 study enrolled 49 participants in New Zealand and was a randomized, double-blind, controlled trial. The study is no longer active.

Is ARO-CFB the same as any other drug?

ARO-CFB is the primary name for this investigational drug. No alternative names have been reported in available clinical trial information. It is being studied solely under the identifier ARO-CFB in the context of IgA Nephropathy research.