Trial of JMKX003801 in Healthy Participants

A Phase I, Randomised, Double-blind, Placebo-controlled Study to Evaluate the Safety, Tolerability, Pharmacokinetics of JMKX003801 in Healthy Participants

To Evaluate the Safety, Tolerability, and Pharmacokinetic Characteristics of JMKX003801 Administered Randomly, Double-blind, Placebo-controlled, Single-ascending Dose and Multiple-ascending Dose in Chinese Healthy Adult Participants

Inclusion Criteria:

• The subjects have a thorough understanding of the study content, process, and potential adverse effects, and are willing to complete the study according to the requirements of the experimental protocol;
• Healthy adult males and/or females, 18 to 45 years of age;
• Body mass index (BMI) ≥ 19 and ≤ 28.0 (kg/m2) ,weight ≥45kg (female) or ≥50kg (male) .

Exclusion Criteria:

• Had or currently have serious clinical diseases related to circulatory system, respiratory system, digestive system, nervous system, endocrine system, blood lymphatic system, genitourinary system or psychiatry, or any other diseases judged by investigators that will be interference to the results of this study;
• Use of any over-the-counter (OTC) medication, prescription medicine, Chinese herbal medicine , within 2 weeks prior to the time of informed consent signed;
• Pregnant or lactating women;
• Other conditions unsuitable for the trial judged by the investigators.