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A Study to Determine the Safety, Tolerability, PK and Preliminary PD of SSS11 in Chinese Healthy Adult Volunteers

Phase 1
Conditions
Gout
Interventions
Registration Number
NCT04047394
Lead Sponsor
Shenyang Sunshine Pharmaceutical Co., LTD.
Brief Summary

To evaluate the safety, tolerability, PK and preliminary PD of SSS11 for injection in chinese healthy adult volunteers.

Detailed Description

This is a phase I, open label, single-dose, dose-increasing study to assess the safety, tolerability and PK characteristics of healthy humans after injection of SSS11, provide a reference for subsequent clinical studies and give preliminary assessment of the immunogenicity and PD of SSS11.

Recruitment & Eligibility

Status
UNKNOWN
Sex
All
Target Recruitment
33
Inclusion Criteria
  • Subjects in the age range between 18 and 45 years old (inclusive), male or female
  • In good health (no significant clinical symptoms or abnormal laboratory test results without clinical significance)
  • BMI within the range between 19 and 28 kg/m2 (inclusive)
  • Voluntarily sign the written informed consent
  • Be able to understand and comply with the requirements of clinical protocols, expected to complete the whole trial process
  • Subjects achieving full recovery if had the surgical treatment
Exclusion Criteria
  • Subjects cannot tolerate intravenous injection
  • Allergies or previous history of drug allergy, or allergic history of PEG-drugs, or previous history of allergies to two or more substances
  • Any abnormalities detected in three allergen tests (Special allergen screening - mixed mould, total IgE assay, special allergen screening - HX2)
  • Subjects having anti- PEG antibody
  • Taking any medicine before enrollment, and the regimen was less than five half-life periods or 4 weeks (Subject to the longest of the two)
  • Has a history of vaccination within 12 weeks before enrollment, or intend to receive vaccines during the study
  • Taking any other clinical trials within 12 weeks before enrollment,or have used similar drugs to the study drug
  • Having a history of blood donation within 12 weeks before enrollment
  • Having a history of glucose-6-phosphate dehydrogenase (G6PD) deficiency or abnormal G6PD detection
  • Having a history of catalase deficiency or evidence that individuals meet the criteria for catalase deficiency
  • Having a history of serious diseases, including but not limited to digestive system, cardiovascular system, respiratory system, urinary system, musculoskeletal system, endocrine system, neuropsychiatric system, blood system, immune system diseases and metabolic abnormalities
  • Having abnormalities and clinical significances in laboratory tests (blood routine, urine routine, blood biochemistry, etc.) and electrocardiogram findings within two weeks before enrollment
  • The HBsAg, anti-HIV, anti-HCV and treponema pallidum antibody were positive
  • The female within lactation, pregnancy, or having birth plan within 24 weeks
  • Blood pregnancy test was positive(female)
  • Male subjects who did not take effective contraception or their spouse plan to be born within 24 weeks
  • Disabled person in mental or law
  • Subjects having a history of alcohol abuse within 24 weeks prior to screening, equal to exceed 14 unit alcohol per week (1 unit = 12 ounces or 360 mL of beer, 1.5 ounces or 45 mL of 40% alcohol, 5 ounces or 150 mL of wine)
  • Smoking more than 5 cigarettes per day within 24 weeks before screening
  • Those who have had halo and fainting history
  • Drug abuse test or alcohol test was positive
  • Drinking more than 1L of tea, coffee and/or caffeinated beverages daily
  • Those who do not understand the content of informed consent and other those who do not meet the criteria for trial inclusion
  • Participants who researchers believe are not suitable (such as infirmity, etc.)

Study & Design

Study Type
INTERVENTIONAL
Study Design
SEQUENTIAL
Arm && Interventions
GroupInterventionDescription
PEGylated recombinant candida urate oxidasePEGylated recombinant candida urate oxidaseParticipants will be administered with 2mg, 3mg, 4.5mg, 6mg, 8mg, 10mg once by Intravenous injection. Subjects will be followed for 56 days.
Primary Outcome Measures
NameTimeMethod
DLTFrom day 1 to day 56

Dose-LimitingToxicity of SSS11

AUCFrom beginning of drug administration to day 56

Area under the plasma concentration versus time curve (AUC) of single dose SSS11

TmaxFrom beginning of drug administration to day 56

Peak plasma time \[tmax\] of single dose SSS11

Adverse events (AEs)From the day signing in informed consent form to the day 56 post-dose

Number of subjects with Adverse events (AEs)

CmaxFrom beginning of drug administration to day 56

Maximum plasma concentration (Cmax) of single dose SSS11

Secondary Outcome Measures
NameTimeMethod
Anti-urate oxidase antibodyFrom pre-dose on week 2 up to week 1, 2, 4 and 7 post-dose.

The immunogenicity of SSS11 was assessed in subjects by detecting the anti-urate oxidase antibody.

Uric acid levels in bloodFrom beginning of drug administration to day 56

This parameter was used to evaluate the PD of SSS11 in healthy humans.

Uric acid levels in urineFrom beginning of drug administration to day 6

This parameter was used to evaluate the PD of SSS11 in healthy humans.

Trial Locations

Locations (1)

The Fifth Affiliated Hospital of Guangzhou Medical University

🇨🇳

Guangzhou, Guangdong, China

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