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HEC83518

Phase 1

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

HEC83518 development status

Highest phase Phase 1
Registered trials 1 across 1 sponsor since Dec 2020

HEC83518 target and mechanism

ModalitySmall molecule

Also known as HEC83518 tablets

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

HEC83518 clinical trials

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 22 trials (matched to "Insomnia")

Top 2 of 6 competitors

CompanyTickerTrialsLead PhaseDrugs
Merck & Co., Inc.MRK1PHASE3Suvorexant
Vanda Pharmaceuticals Inc.VNDA2PHASE3tasimelteon
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Frequently asked questions about HEC83518

What is HEC83518?

HEC83518 is an investigational small molecule being developed for the treatment of insomnia. It is a Phase 1 clinical-stage candidate developed by Sunshine Biopharma Inc. (ticker SBFM). It has been studied in two completed Phase 1 trials conducted in China, with a combined enrollment of 131 participants.

What is HEC83518 used for?

HEC83518 is being developed for insomnia, a psychiatric condition. Both completed Phase 1 trials enrolled participants with insomnia as the studied condition. The trials were conducted in China and included healthy volunteers aged 18 years and older.

Who makes HEC83518?

HEC83518 is being developed by Sunshine Biopharma Inc., which trades under the ticker SBFM. The company is the sponsor behind the clinical development program for this insomnia candidate.

What phase is HEC83518 in?

HEC83518 is in Phase 1 clinical development. Two Phase 1 trials have been completed, and no trials are currently active. The studies were randomized, double-blind, and placebo-controlled, with a total combined enrollment of 131 participants.

What clinical trials is HEC83518 in?

HEC83518 has been evaluated in two completed Phase 1 trials: NCT04667429, which enrolled 57 participants, and NCT04596007, which enrolled 74 participants. Both studied safety, tolerability, pharmacokinetics, and pharmacodynamics in insomnia and were conducted in China.

Is HEC83518 the same as HEC83518 tablets?

Yes. HEC83518 tablets is an alternative name for HEC83518, the investigational insomnia treatment developed by Sunshine Biopharma Inc. (SBFM). Both completed Phase 1 studies, NCT04667429 and NCT04596007, evaluated HEC83518 tablets.