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HEC74647PA

Phase 2

Chronic HCV Infection | Small molecule | Infectious Disease |Sunshine Biopharma Inc.|Trials Updated: May 14, 2025

HEC74647PA development status

Highest phase Phase 2
Registered trials 1 across 1 sponsor since Aug 2022

HEC74647PA target and mechanism

ModalitySmall molecule

Also known as HEC74647PA Capsule

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials3
Total Enrollment647

FDA Designations

No designations recorded

HEC74647PA clinical trials

HEC74647PA · 3 trials · 2 indications

Phase 2 1Phase 1 2
NCT05395416Antaitavir Hasophate Capsules Combined With Yiqibuvir Tablets in Treatment Adult Patients With Chronic Hepatitis CChronic HCV Infection
COMPLETED514 Analytics
PHASE2COMPLETED
Antaitavir Hasophate Capsules Combined With Yiqibuvir Tablets in Treatment Adult Patients With Chronic Hepatitis C
Chronic HCV InfectionUnlock trial analytics

Study Endpoints

Primary Endpoints

Sustained virologic response at 12 weeks after end of treatment (SVR12)
Posttreatment Week 12

Percentage of subjects with plasma HCV RNA not detected or below the lower limit of quantitation (15 IU/mL)

Type and frequencies of Adverse events
Up to posttreatment week 24

Number of participants with treatment-related adverse events as assessed by CTCAE v5.0

Adverse Events,laboratory abnormalities and other abnormalities
8 days

Number of participants with Adverse Events, laboratory abnormalities and other abnormalities following dose administration of HEC74647

Antiviral Activity
8 days

Change from baseline in HCV RNA following dose administration of HEC74647

Sequence changes in the NS5A coding region
8 days

Sequence changes in the NS5A coding region of HCV following multiple dose administration of HEC74647 and for up to 8 days thereafter

Cmax
8 days

Maximum observed plasma concentration of HEC74647

Tmax
8 days

Time of the maximum observed plasma concentration

AUC
8 days

Area under the plasma concentration-time curve (AUC)

t1/2
8 days

Terminal elimination half-life

Adverse events of the single ascending-dose
Baseline to day 6~13

To assess the tolerability after a single dose of HEC74647PA capsule

Adverse events of the multiple ascending-dose
Baseline to day 12

To assess the tolerability after multiple doses of HEC74647PA capsule

Vz/F
Prior to dosing (0 h) and 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 24, 36, 48, 72, 96 and 120 h after dosing

Apparent volume of distribution

CL/F
Prior to dosing (0 h) and 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 24, 36, 48, 72, 96 and 120 h after dosing

Oral clearance

MRT
Prior to dosing (0 h) and 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 24, 36, 48, 72, 96 and 120 h after dosing

Mean Residence Time

Secondary Endpoints

Percentage of subjects with sustained virologic response 4 and 24 weeks after discontinuation of therapy (SVR4 and SVR24)
Posttreatment Weeks 4 and 24
Percentage of subjects with virologic failure
Up to posttreatment week 24
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
HEC74647PA+HEC110114 100 mg/200 mgEXPERIMENTALPhase II: HCV GT 1-6 participants were medicated with HEC74647PA Capsules 100 mg or200 mg once daily and HEC110114 tablets 600 mg once daily
HEC74647PA+HEC110114EXPERIMENTALPhase III: HCV GT 1-6 participants were medicated with HEC74647PA Capsules 100 mg /200 mg once daily and HEC110114 tablets 600 mg once daily
PlaceboPLACEBO_COMPARATORPhase III: HCV GT 1-6 participants were medicated with HEC74647PA Placebo Capsules once daily and HEC110114 Placebo tablets once daily
Cohort 1EXPERIMENTALup to HEC74647PA capsule 50 mg once daily for 3 days
Cohort 2EXPERIMENTALup to HEC74647PA capsule 100 mg once daily for 3 days
Cohort 3EXPERIMENTALup to HEC74647PA capsule 200 mg once daily for 3 days
Cohort 4PLACEBO_COMPARATORup to placebo once daily for 3 days
50 mg single doseEXPERIMENTALIt includes two group, one group is pilot study, healthy subjects receive a single dose of 50 mg HEC74647PA capsule (N=2) . Another group is formal study, healthy subjects receive a single dose of 50 mg HEC74647PA capsule (N=8) or matching placebo (N=2).
100 mg single doseEXPERIMENTALHealthy subjects, receiving a single dose of 100 mg HEC74647PA capsule (N=8) or matching placebo (N=2).
200 mg single doseEXPERIMENTALHealthy subjects, receiving a single dose of 200 mg HEC74647PA capsule (N=16) or matching placebo (N=2) under fed or fasted conditions, this group is a two-sequence, two-period crossover study.
400 mg single doseEXPERIMENTALHealthy subjects, receiving a single dose of 400 mg HEC74647PA capsule (N=8) or matching placebo (N=2).
600 mg single doseEXPERIMENTALHealthy subjects, receiving a single dose of 600 mg HEC74647PA capsule (N=8) or matching placebo (N=2).
800 mg single doseEXPERIMENTALHealthy subjects, receiving a single dose of 800 mg HEC74647PA capsule (N=8) or matching placebo (N=2).
100 mg multiple dosesEXPERIMENTALHealthy subjects, receiving 100 mg HEC74647PA capsule (N=10) or placebo(N=2) once daily (q.d.) for 7 days.
200 mg multiple dosesEXPERIMENTALHealthy subjects, receiving 200 mg HEC74647PA capsule (N=10) or placebo(N=2) once daily (q.d.) for 7 days.
400 mg multiple dosesEXPERIMENTALHealthy subjects, receiving 400 mg HEC74647PA capsule (N=10) or placebo(N=2) once daily (q.d.) for 7 days.

Interventions

NameTypeDescription
HEC74647PA+HEC110114DRUGadministered orally once daily for 12 weeks
PlaceboDRUGadministered orally once daily for 12 weeks
HEC74647PA capsuleDRUGCapsule administered orally once daily
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites36

Inclusion Criteria: 1. Willing and able to provide written informed consent; 2. Male or female, age≥18 years; 3. Body mass index (BMI)≥18.0 and≤32.0 kg/m2, and Weight≥40 kg; 4. Serological detection of anti-HCV antibodies was positive at screening; 5. HCV RNA≥1×104 IU/mL at Screening; 6. HCV genoty...

Countries:China
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Frequently asked questions about HEC74647PA

What is HEC74647PA used for?

HEC74647PA is an investigational small molecule being developed for the treatment of chronic hepatitis C virus (HCV) infection. It is being studied in adults with chronic HCV infection, including chronic hepatitis C, as part of combination antiviral regimens.

Who is developing HEC74647PA?

HEC74647PA is being developed by Sunshine Biopharma Inc., which trades under the ticker SBFM. The company is advancing the asset through clinical development for chronic hepatitis C infection.

What phase is HEC74647PA in?

HEC74647PA is in Phase 2 clinical development. A Phase 2 trial in adults with chronic hepatitis C has been completed, and earlier Phase 1 studies have also been completed. It is an investigational drug and has not been approved by the FDA.

What clinical trials is HEC74647PA in?

HEC74647PA has been studied in completed trials including NCT05395416, a Phase 2 trial in chronic HCV infection with 514 participants in China, and NCT04201275, a Phase 1 tolerability, pharmacokinetics and pharmacodynamics study in HCV-infected subjects. A Phase 1 study in healthy volunteers, NCT03673696, has also been completed.