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HEC83518

Phase 1

Insomnia | Small molecule | Psychiatry |Sunshine Biopharma Inc.|Last Updated: May 1, 2026

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials2
Total Enrollment131

FDA Designations

No designations recorded

Clinical trial landscape

HEC83518 · 2 trials · 1 indication

Phase 1 2
NCT04667429the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics Study of HEC83518 TabletsInsomnia
COMPLETED57 Analytics
NCT04596007The Safety, Tolerability, Pharmacokinetics and Pharmacodynamics Study of HEC83518 Tablets in Chinses Healthy SubjectsInsomnia
COMPLETED74 Analytics
PHASE1COMPLETED
the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics Study of HEC83518 Tablets
InsomniaUnlock trial analytics
PHASE1COMPLETED
The Safety, Tolerability, Pharmacokinetics and Pharmacodynamics Study of HEC83518 Tablets in Chinses Healthy Subjects
InsomniaUnlock trial analytics

Study Endpoints

Primary Endpoints

Adverse event
up to 34 days

To assess the safety and tolerability of therapy

The Number of Adverse Events (AEs)
up to 5 days

Safety and Tolerability of HEC83518 by Assessment of the Number of Adverse Events (AEs) Following Administration in Single Ascending Dose .

Secondary Endpoints

Area under the concentration versus time curve (AUC) from time zero to infinity(AUC0-∞ )
up to 72 hours
Maximum Plasma Concentration ( Cmax)
up to 72 hours
Time to peak(tmax)
up to 72 hours
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Food effectEXPERIMENTALHEC83518 40mg will be administered fasted, or with high-fat meal for once.
Multiple Ascending Doses-HEC83518 20mgEXPERIMENTALHEC83518 20mg will be administered before sleep for 15 days .
Multiple Ascending Doses-HEC83518 40mgEXPERIMENTALHEC83518 40mg will be administered before sleep for 15 days .
Multiple Ascending Doses-HEC83518 80mgEXPERIMENTALHEC83518 80mg will be administered before sleep for 15 days .
Multiple Ascending Doses-placeboPLACEBO_COMPARATORPlacebo will be administered before sleep for 15 days .
HEC83518 tabletsEXPERIMENTALThere will be a total of 7 dose cohorts: 5 mg,10 mg, 20 mg, 40 mg, 80 mg, and 140 mg,200 mg.
placebo tabletsPLACEBO_COMPARATORThere will be a total of 6 dose cohorts: 10 mg, 20 mg, 40 mg, 80 mg, and 140 mg,200 mg.

Interventions

NameTypeDescription
FoodOTHERHEC83518 40mg will be taken orally fasted or with food
HEC83518DRUGHEC83518 will be taken orally before sleep for 15 days
placeboDRUGThe placebo will be administered before sleep for 15 days.
HEC83518 tabletsDRUGEach dose of HEC83518 and placebo will be administered with approximately 240 mL of water in the morning after fasting for at least 10 hours overnight.
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Eligibility Criteria

Age Range18 Years to 45 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: 1. Subjects who are willing and are able to provide a written informed consent to participate in the study. 2. Without Plan for pregnancy or pregnant within 3 months after enrollment throughout the trial. 3. Subjects aged between 18 and 45 (both inclusive) years old. 4. Healthy ...

Countries:China
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Competitive Landscape -Insomnia and Sleep Disorders 11 trials (matched to "Insomnia")

Frequently asked questions about HEC83518

What is HEC83518 used for?

HEC83518 is an investigational small molecule being developed for the treatment of insomnia. It is currently in Phase 1 clinical development and has not been approved by regulatory authorities. The drug is being studied in healthy volunteers to evaluate its safety, tolerability, pharmacokinetics, and pharmacodynamics.

Who makes HEC83518?

HEC83518 is being developed by Sunshine Biopharma Inc., a company listed on the stock exchange under the ticker symbol SBFM. The company is conducting clinical trials for this insomnia treatment candidate.

What phase is HEC83518 in?

HEC83518 is in Phase 1 clinical development. Two Phase 1 trials have been completed, both involving healthy volunteers in China. The drug is investigational and has not yet received regulatory approval for the treatment of insomnia.

What clinical trials is HEC83518 in?

HEC83518 has been studied in two completed Phase 1 clinical trials: NCT04596007, which enrolled 74 healthy Chinese subjects, and NCT04667429, which enrolled 57 healthy subjects. Both trials evaluated the safety, tolerability, pharmacokinetics, and pharmacodynamics of HEC83518 tablets in participants aged 18 years and older.

Is HEC83518 FDA approved?

HEC83518 is not FDA approved. It is an investigational drug currently in Phase 1 clinical development for insomnia. The completed trials were conducted in China and focused on healthy volunteers, with no approval status indicated for any regulatory authority.