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FG-4592

Phase 3

Anemia | Small molecule | Oncology |Kyntra Bio, Inc.|Last Updated: May 3, 2023

Success Probability

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials3
Total Enrollment502

FDA Designations

No designations recorded

Clinical trial landscape

FG-4592 · 9 trials · 10 indications

Phase 3 2Phase 2 3Phase 1 4
NCT02652806FG-4592 for Treatment of Anemia in Subjects With Chronic Kidney DiseaseAnemia
COMPLETED305 Analytics
NCT02652819FG-4592 for Treatment of Anemia in Subjects With Chronic Kidney Disease Not on DialysisAnemia
COMPLETED154 Analytics
PHASE3COMPLETED
FG-4592 for Treatment of Anemia in Subjects With Chronic Kidney Disease
AnemiaUnlock trial analytics
PHASE3COMPLETED
FG-4592 for Treatment of Anemia in Subjects With Chronic Kidney Disease Not on Dialysis
AnemiaUnlock trial analytics

Study Endpoints

Primary Endpoints

Hb mean change from baseline
Weeks 23 to 27.
Change in Hb from baseline to the average level
Weeks 7 to 9 inclusive.
Percentage of Participants With a Hemoglobin (Hb) Response to FG-4592 Without Transfusion
26 weeks

Hemoglobin response to FG-4592 is defined as an increase in mean Hb of ≥1.0 grams (g)/deciliter (dL) from baseline within any 8-week period during the study without transfusion.

Maximum change in hemoglobin by Week 9 from baseline
Week 9
Hemoglobin maintenance using FG-4592 dosing regimen in ESRD subjects. Number of subjects who hemoglobin levels are maintained at no lower than 0.5 g/dL below their mean baseline value during weeks 6 and 7.
Week 7
Pharmacokinetic parameter of FG-4592 in plasma as measured by area under the concentration-time curve (AUC) extrapolated to infinity (AUCinf)
Days 1 to 5 (Day 7 for hepatic impaired subjects)
Pharmacokinetic parameter of FG-4592 in plasma as measured by maximum concentration (Cmax)
Days 1 to 5 (Day 7 for hepatic impaired subjects)
PK after a single dose of FG-4592 measured by area under the concentration-time curve from the time of dosing extrapolated to time infinity (AUCinf),
Days 1- 4 (all periods)
PK after a single dose of FG-4592 measured by maximum concentration (Cmax)
Days 1- 4 (all periods)
PK of S-warfarin and R-warfarin in plasma measured by area under the curve from the time of dosing extrapolated to time infinity (AUCinf)
Period 1 (Day 1 to Day 8); Period 2 (Day 7 to Day 16)
PK of S-warfarin and R-warfarin in plasma measured by maximum concentration (Cmax)
Period 1 (Day 1 to Day 8); Period 2 (Day 7 to Day 16)
Change in plasma concentration of Rosiglitazone
Day 1- Day 11

Secondary Endpoints

Mean change from baseline in low-density lipoprotein (LDL) cholesterol
Weeks 25-27
Number of subjects with a Hb response
Weeks 23-27
Percent of subjects with a Hb response
Weeks 23-27
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
FG-4592EXPERIMENTALIntervention is investigational treatment FG-4592
EPOACTIVE_COMPARATORIntervention is subject's current dose of Li Xue Bao (epoetin alfa)
PlaceboPLACEBO_COMPARATORDouble blinded placebo control
Phase 2 Part: FG-4592EXPERIMENTALFixed starting doses (different doses for lower body weight \& higher body weight) of FG-4592 administered orally 3 times a week (TIW) for up to 26 weeks; dose adjustments to Hb levels are allowed during the study.
Phase 3 Part: FG-4592EXPERIMENTALFixed starting doses (different doses for lower body weight \& higher body weight) of FG-4592 administered orally TIW for up to 26 weeks; dose adjustments to Hb levels are allowed during the study.
Phase 3 Part: PlaceboPLACEBO_COMPARATORPlacebo (matching to FG-4592) administered orally TIW for up to 26 weeks.
Epoetin alfaACTIVE_COMPARATORStandard of care
1: FG-4592 in subjects with moderate hepatic impairmentEXPERIMENTAL -
2: FG-4592 in healthy subjectsEXPERIMENTAL -
1: young male subjectsEXPERIMENTAL3x single dose of FG-4592 and a placebo
2: young female subjectsEXPERIMENTAL3x single dose of FG-4592 and a placebo
3: elderly male subjectsEXPERIMENTAL3x single dose of FG-4592 and a placebo
4: elderly female subjectsEXPERIMENTAL3x single dose of FG-4592 and a placebo
warfarin and FG-4592EXPERIMENTALSingle dose of warfarin and Multiple doses of FG-4592 in combination with a single dose of warfarin

Interventions

NameTypeDescription
FG-4592DRUG -
Epoetin AlfaDRUG -
PlaceboDRUG -
WarfarinDRUGOral
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Eligibility Criteria

Age Range18 Years to 75 Years
SexALL
Healthy VolunteersNo
Study Sites31

Inclusion Criteria: 1. Ages 18 to 75 years 2. Subject has voluntarily signed and dated an informed consent form (ICF), approved by an Ethics Committee (EC), after the nature of the study has been explained and the subject has had the opportunity to ask questions; a separate ICF is needed for subjec...

Countries:ChinaBulgariaGermany
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Frequently asked questions about FG-4592

What is FG-4592 used for?

FG-4592 is an investigational small molecule being developed for anemia, including anemia in end stage renal disease and anemia in chronic kidney disease. It has been studied in healthy adult subjects for pharmacokinetic purposes. The drug is in Phase 3 development by Kyntra Bio, Inc. and is not yet approved.

What does FG-4592 target?

FG-4592 is a small molecule therapeutic being developed for anemia. Its specific molecular target has not been disclosed in the available clinical trial information. The drug is being studied for its effects on anemia in chronic kidney disease and end stage renal disease.

Who makes FG-4592?

FG-4592 is being developed by Kyntra Bio, Inc., a biopharmaceutical company. The company's stock ticker is KYNB. The drug is currently in Phase 3 clinical development for anemia indications.

What phase is FG-4592 in?

FG-4592 is in Phase 3 clinical development for anemia. It is an investigational drug and has not been approved by regulatory authorities. The clinical program includes completed Phase 1 and Phase 2 trials, with the drug advancing to later-stage development.

What clinical trials is FG-4592 in?

FG-4592 has completed three clinical trials. NCT01376063 studied drug interactions in healthy adults, NCT01599507 evaluated the drug in chronic kidney disease patients in China, NCT02161224 assessed liver function effects, and NCT02161796 examined dose proportionality in healthy subjects. All trials are completed.

Is FG-4592 the same as roxadustat?

FG-4592 is also known as roxadustat, an investigational oral medication for anemia. It is being developed by Kyntra Bio, Inc. under the ticker KYNB. The drug has completed Phase 1 and Phase 2 trials and is currently in Phase 3 development.