NCT04047394

Brief Summary

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

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
33

participants targeted

Target at P50-P75 for phase_1

Timeline
Completed

Started Oct 2019

Typical duration for phase_1

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

August 2, 2019

Completed
4 days until next milestone

First Posted

Study publicly available on registry

August 6, 2019

Completed
3 months until next milestone

Study Start

First participant enrolled

October 22, 2019

Completed
3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 30, 2022

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 30, 2022

Completed
Last Updated

July 8, 2021

Status Verified

July 1, 2021

Enrollment Period

3 years

First QC Date

August 2, 2019

Last Update Submit

July 2, 2021

Conditions

Outcome Measures

Primary Outcomes (5)

  • Adverse events (AEs)

    Number of subjects with Adverse events (AEs)

    From the day signing in informed consent form to the day 56 post-dose

  • DLT

    Dose-LimitingToxicity of SSS11

    From day 1 to day 56

  • Cmax

    Maximum plasma concentration (Cmax) of single dose SSS11

    From beginning of drug administration to day 56

  • Tmax

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

    From beginning of drug administration to day 56

  • AUC

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

    From beginning of drug administration to day 56

Secondary Outcomes (3)

  • Anti-urate oxidase antibody

    From pre-dose on week 2 up to week 1, 2, 4 and 7 post-dose.

  • Uric acid levels in blood

    From beginning of drug administration to day 56

  • Uric acid levels in urine

    From beginning of drug administration to day 6

Study Arms (1)

PEGylated recombinant candida urate oxidase

EXPERIMENTAL

Participants will be administered with 2mg, 3mg, 4.5mg, 6mg, 8mg, 10mg once by Intravenous injection. Subjects will be followed for 56 days.

Drug: PEGylated recombinant candida urate oxidase

Interventions

PEGylated recombinant candida urate oxidase is a combination of 20kDa linear polyethylene glycol (PEG) linked to Candida utilis recombinant uricase by succinimide succinate

Also known as: SSS11
PEGylated recombinant candida urate oxidase

Eligibility Criteria

Age18 Years - 45 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • 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

You may not qualify if:

  • 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)
  • +8 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

The Fifth Affiliated Hospital of Guangzhou Medical University

Guangzhou, Guangdong, 510799, China

RECRUITING

MeSH Terms

Conditions

Gout

Condition Hierarchy (Ancestors)

ArthritisJoint DiseasesMusculoskeletal DiseasesCrystal ArthropathiesRheumatic DiseasesPurine-Pyrimidine Metabolism, Inborn ErrorsMetabolism, Inborn ErrorsGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and AbnormalitiesMetabolic DiseasesNutritional and Metabolic Diseases

Central Study Contacts

Xianbo Li, MD

CONTACT

Jianzhong Shentu, PhD

CONTACT

Study Design

Study Type
interventional
Phase
phase 1
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SEQUENTIAL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 2, 2019

First Posted

August 6, 2019

Study Start

October 22, 2019

Primary Completion

October 30, 2022

Study Completion

December 30, 2022

Last Updated

July 8, 2021

Record last verified: 2021-07

Locations