Single, Ascending Dose, First Time in Human Study for GZR18 in Healthy Subjects


Gan and Lee Pharmaceuticals

Status and phase

Phase 1


Diabetes Mellitus, Type 2


Drug: GZR-18
Other: Placebo

Study type


Funder types




Details and patient eligibility


Single ascending dose first time in human study for GZR18 in healthy subjects

Full description

A double-blind, randomized, placebo-controlled, sequential, single, ascending dose study to evaluate the safety, tolerability, pharmacokinetic, and pharmacodynamic parameters of subcutaneous injections of GZR18 in healthy subjects


24 patients




18 to 60 years old


Accepts Healthy Volunteers

Inclusion and exclusion criteria

Inclusion Criteria:

  1. Sign and date informed consent prior to any study-related activities being performed

  2. Be considered healthy in the opinion of the PI or qualified designee and have no clinically significant abnormal laboratory values at screening

  3. Male

  4. Aged 18 to 60 years, inclusive, at the time of signing the informed consent. Note: if the study is to be conducted at a clinical site located in Lincoln, Nebraska, the lower age limit will be 19 years of age

  5. Have a BMI between 20.0 to 35.0 kg/m2, inclusive, at Screening or check-in prior to dosing

  6. Have a normal renal function as defined by estimated glomerular filtration rate (eGFR) > 90 mL/min/1.73m2 at Screening or check-in prior to dosing

  7. Be able to understand and comply with protocol requirements, instructions, and any protocol-stated restrictions

    Exclusion criteria:

  8. The Investigator or qualified designee considers the subject unfit for the study, based on medical interview, physical examination, or laboratory results. Individuals must be free from clinically significant illness or disease, as determined by the PI or qualified designee, with no clinically significant abnormality identified on the medical or laboratory evaluations, including 12-lead ECG

  9. Positive hepatitis-B surface antigen, positive hepatitis-C, or positive HIV test

  10. History of cholelithiasis or obstructive or inflammatory gallbladder disease within 3 months prior to screening

  11. Personal or family history of medullary cell carcinoma or multiple endocrine neoplasia syndrome type 2

  12. History of inadequately controlled thyroid disease, as reflected by an abnormal thyroid stimulating hormone test or free T4

  13. History of gastrointestinal disease that could affect fat or bile acid ab-sorption, including inflammatory bowel disease, chronic diarrhea, Crohn's disease, or malabsorption syndromes within the past year. Note: Subjects with a cholecystectomy more than 1 year prior to screening can be considered for inclusion in the study

  14. History of gastrointestinal surgical intervention for obesity

  15. History of chronic or acute pancreatitis

  16. History of significant drug or other allergy or hypersensitivity that, in the opinion of the Investigator or qualified designee, contraindicates the subject's participation in the study

  17. History of alcohol abuse, defined as an average weekly intake of greater than 21 units or an average daily intake of greater than 3 units. One unit is defined as equivalent to a half-pint of beer or 1 measure of spirits or 1 glass of wine

  18. Unwilling to abstain from alcohol from 24 hours prior to the start of dosing until discharge from the clinic

  19. Smoked or used tobacco- or nicotine-containing products within the previous 6 months prior to Screening

  20. Treatment with an investigational drug or participated in any other interventional clinical study during the previous 30 days or within 5 half-lives after the last dose of the investigational drug, whichever is longer. Note: 30-day/5-half-life washout is defined as last dose of investigational drug in the previous study until the first screening visit in the current study

  21. Unwilling to refrain from the use of illicit drugs and unwilling to ad-here to other protocol-stated restrictions while participating in the study

  22. Unwilling to abstain from caffeine- or xanthine-containing products from 24 hours prior to dosing until discharge from the clinic

  23. A positive drug and alcohol screen at screening or check-in prior to dosing

  24. A positive pre-study urine cotinine screen indicating use of tobacco/nicotine-containing products at Screening or check-in prior to dosing

  25. Use of prescription or non-prescription drugs, vitamins, or dietary/herbal supplements within 1 week prior to the dosing of study drug through the final follow-up visit

  26. Donated 500 mL or greater of blood within 56 days prior to dosing or plans on donating blood in the 30 days following completion of the study

  27. Have any condition that, in the opinion of the Investigator, would compromise the safety of the subject or the quality of the data

Trial design

Primary purpose




Interventional model

Parallel Assignment


Double Blind

24 participants in 2 patient groups, including a placebo group

Drug:GZR-18 administered via subcutaneous injection
Experimental group
For Assigned Interventions: GZR-18 administered once via subcutaneous injection at doses of 1.0 ug/kg, 5.0 ug/kg, 10.0 ug/kg, 20.0 ug/kg, 30.0 ug/kg, 40.0 ug/kg & 50.0 ug/kg
Drug: GZR-18
Placebo control
Placebo Comparator group
Commercially obtained sterile, normal saline for injection will be used as the matching placebo. Placebo will be dosed in an identical manner to active study drug. The volume of placebo will be calculated according to body weight using active drug dose for volume calculation in order to maintain the study blind.
Other: Placebo

Trial contacts and locations



Data sourced from

Clinical trials

Find clinical trialsTrials by location
© Copyright 2024 Veeva Systems