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Furoscix

Phase 2

Heart Failure | Small molecule | Cardiovascular |MannKind Corporation|Last Updated: Jul 16, 2025

Success Probability

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Market & Valuation

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Trial Design

RandomizedACTIVE_CONTROLLEDBiomarker
Total Trials1
Total Enrollment70

FDA Designations

No designations recorded

Clinical trial landscape

Furoscix · 1 trial · 1 indication

Phase 2 1
NCT05528588Furoscix in Heart Failure Patients With Diuretic ResistanceHeart Failure
COMPLETED70 Analytics
PHASE2COMPLETED
Furoscix in Heart Failure Patients With Diuretic Resistance
Heart FailureUnlock trial analytics

Study Endpoints

Primary Endpoints

Post-treatment Urine Output as Measured by Cumulative Urine Output Within 1 Day.
1 day

Post-treatment diuretic efficiency is measured by cumulative urine output in mL per mg of treatment, observed hourly through 8 hours following the administration of study therapy (Furoscix vs. oral furosemide).

Secondary Endpoints

Post-treatment Peak Spot Urine Sodium Levels in 1 Day
1 day
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelFACTORIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
≥ 12 BAN-ADHF, FuroscixEXPERIMENTALPatients with diuretic resistance as determined by a BAN-ADHF score ≥ 12 will receive Furoscix over 5 hours at 8 mg/mL.
<= 11 BAN-ADHF, FuroscixEXPERIMENTALPatients without diuretic resistance as determined by BAN-ADHF score \<= 11 will receive Furoscix over 5 hours at 8 mg/mL.
≥ 12 BAN-ADHF, controlACTIVE_COMPARATORPatients with diuretic resistance as determined by a BAN-ADHF score ≥ 12 will receive home dose oral diuretic.
<= 11 BAN-ADHF, controlACTIVE_COMPARATORPatients without diuretic resistance as determined by BAN-ADHF score \<= 11 will receive home dose oral diuretic

Interventions

NameTypeDescription
FuroscixCOMBINATION_PRODUCTStudy Drug: Furoscix®, (Furosemide Injection), 80 mg/10 mL is a proprietary furosemide formulation that is buffered to a neutral pH to enable subcutaneous administration and contained in a prefilled Crystal Zenith® (CZ) cartridge. Study Device: The Infusor is a compact, ethylene oxide (EtO) sterilized, single-use, electro-mechanical (battery powered, micro-processor controlled), on-body subcutaneous delivery system based on the SmartDose® Gen II 10 mL (West Pharmaceutical Services). The Furoscix Infusor is an investigational drug-device combination product. The Infusor is applied to the abdomen via a medical grade adhesive and delivers a subcutaneous infusion of Furoscix through a pre-programmed, biphasic delivery profile with 30 mg (3.75 mL) administered over the first hour, followed by 12.5 mg (1.56 mL) per hour for the subsequent 4 hours (Total dose is 80 mg (10 mL) over 5 hours).
Diuretic TherapyDRUGPatients will receive home dose oral furosemide or oral furosemide per standard of care.
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Eligibility Criteria

Age Range18 Years to 80 Years
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * English-speaking patients discharged after ward hospitalization for acute decompensated heart failure * Able to be screened and enrolled within 14 days of hospitalization * Recent echocardiogram (6 months or less) * Discharged with home diuretic regimen Exclusion Criteria: *...

Countries:United States
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Frequently asked questions about Furoscix

What is Furoscix used for in heart failure?

Furoscix is an investigational small molecule being studied for use in heart failure, specifically in patients with diuretic resistance. It is being developed as a treatment option for this patient population, though it remains in clinical development and is not yet approved.

Who makes Furoscix?

Furoscix is being developed by MannKind Corporation, a biopharmaceutical company traded on the Nasdaq under the ticker symbol MNKD. The company is conducting clinical trials to evaluate the drug's safety and efficacy in heart failure patients.

What phase is Furoscix in?

Furoscix is in Phase 2 clinical development. It is an investigational drug, meaning it has not been approved by regulatory authorities and is still being studied in clinical trials to assess its potential as a treatment for heart failure with diuretic resistance.

What clinical trials is Furoscix in?

Furoscix has been studied in one completed Phase 2 clinical trial, identified as NCT05528885, titled "Furoscix in Heart Failure Patients With Diuretic Resistance." The trial enrolled 70 participants in the United States and was active-controlled, meaning it compared Furoscix against an existing treatment.

What does Furoscix target?

Furoscix is a small molecule, but its specific molecular target has not been disclosed. The drug is being investigated for its ability to address diuretic resistance in heart failure patients, a condition where standard diuretic therapy becomes less effective.