NCT05256719

Brief Summary

This is a single-center, randomized, double-blind, does-escalation Phase I Clinical Study that aim to evaluate the tolerability, safety and PK Characteristics of recombinant humanized CTLA-4-FC fusion protein injection in Healthy Subjects.

Trial Health

57
Monitor

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
46

participants targeted

Target at P50-P75 for phase_1

Timeline
Completed

Started Sep 2021

Longer than P75 for phase_1

Geographic Reach
1 country

1 active site

Status
recruiting

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

Study Start

First participant enrolled

September 21, 2021

Completed
3 months until next milestone

First Submitted

Initial submission to the registry

December 21, 2021

Completed
2 months until next milestone

First Posted

Study publicly available on registry

February 25, 2022

Completed
3.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2025

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2025

Completed
Last Updated

May 7, 2024

Status Verified

May 1, 2024

Enrollment Period

4.3 years

First QC Date

December 21, 2021

Last Update Submit

May 5, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • Safety as measured by subjects with adverse events

    The number of occurrences and incidence are calculated with vital signs, Electrocardiograms, physical examinations, laboratory tests

    First dose up to last follow-up visit (85 days after administration)

Secondary Outcomes (4)

  • Peak concentration (Cmax)

    First dose up to last follow-up visit(Day1-Day85)

  • Peak time (Tmax)

    First dose up to last follow-up visit(Day1-Day85)

  • Area under the Curve (AUC)

    First dose up to last follow-up visit(Day1-Day85)

  • Analysis of immunogenicity

    First dose up to last follow-up visit(Day1-Day85)

Study Arms (10)

Recombinant human CTLA-4-FC fusion protein for injection 1mg/kg

EXPERIMENTAL

Recombinant human CTLA-4-FC fusion protein for injection 1mg/kg single dose usage

Biological: Recombinant human CTLA-4-FC fusion protein for injection 1mg/kg

Recombinant human CTLA-4-FC fusion protein for injection 2.5mg/kg

EXPERIMENTAL

Recombinant human CTLA-4-FC fusion protein for injection 2.5mg/kg single dose usage

Biological: Recombinant human CTLA-4-FC fusion protein for injection 2.5mg/kg

Recombinant human CTLA-4-FC fusion protein for injection 5mg/kg

EXPERIMENTAL

Recombinant human CTLA-4-FC fusion protein for injection 5mg/kg single dose usage

Biological: Recombinant human CTLA-4-FC fusion protein for injection 5mg/kg

Recombinant human CTLA-4-FC fusion protein for injection 7.5mg/kg

EXPERIMENTAL

Recombinant human CTLA-4-FC fusion protein for injection 7.5mg/kg single dose usage

Biological: Recombinant human CTLA-4-FC fusion protein for injection 7.5mg/kg

Recombinant human CTLA-4-FC fusion protein for injection 10mg/kg

EXPERIMENTAL

Recombinant human CTLA-4-FC fusion protein for injection 10mg/kg single dose usage

Biological: Recombinant human CTLA-4-FC fusion protein for injection 10mg/kg

Placebo Group:Recombinant human CTLA-4-FC fusion protein for injection 1mg/kg

PLACEBO COMPARATOR

Recombinant human CTLA-4-FC fusion protein for injection 1mg/kg , i.v. single dose usage.

Biological: Placebo-1mg/kg

Placebo Group:Recombinant human CTLA-4-FC fusion protein for injection 2.5mg/kg

PLACEBO COMPARATOR

Recombinant human CTLA-4-FC fusion protein for injection 2.5mg/kg, i.v. single dose usage.

Biological: Placebo-2.5mg/kg

Placebo Group:Recombinant human CTLA-4-FC fusion protein for injection 5mg/kg

PLACEBO COMPARATOR

Recombinant human CTLA-4-FC fusion protein for injection 5mg/kg , i.v. single dose usage.

Biological: Placebo-5mg/kg

Placebo Group:Recombinant human CTLA-4-FC fusion protein for injection 7.5mg/kg

PLACEBO COMPARATOR

Recombinant human CTLA-4-FC fusion protein for injection 7.5mg/kg , i.v. single dose usage.

Biological: Placebo-7.5mg/kg

Placebo Group:Recombinant human CTLA-4-FC fusion protein for injection 10mg/kg

PLACEBO COMPARATOR

Recombinant human CTLA-4-FC fusion protein for injection 10mg/kg , i.v. single dose usage.

Biological: Placebo-10mg/kg

Interventions

Recombinant human CTLA-4-FC fusion protein for injection 1mg/kg , i.v. single dose usage.

Recombinant human CTLA-4-FC fusion protein for injection 1mg/kg

Recombinant human CTLA-4-FC fusion protein for injection 2.5mg/kg , i.v. single dose usage.

Recombinant human CTLA-4-FC fusion protein for injection 2.5mg/kg

Recombinant human CTLA-4-FC fusion protein for injection 5mg/kg , i.v. single dose usage.

Recombinant human CTLA-4-FC fusion protein for injection 5mg/kg

Recombinant human CTLA-4-FC fusion protein for injection 7.5mg/kg , i.v. single dose usage.

Recombinant human CTLA-4-FC fusion protein for injection 7.5mg/kg

Recombinant human CTLA-4-FC fusion protein for injection 10mg/kg , i.v. single dose usage.

Recombinant human CTLA-4-FC fusion protein for injection 10mg/kg
Placebo-1mg/kgBIOLOGICAL

Recombinant human CTLA-4-FC fusion protein for injection 1mg/kg

Placebo Group:Recombinant human CTLA-4-FC fusion protein for injection 1mg/kg

Recombinant human CTLA-4-FC fusion protein for injection 2.5mg/kg

Placebo Group:Recombinant human CTLA-4-FC fusion protein for injection 2.5mg/kg
Placebo-5mg/kgBIOLOGICAL

Recombinant human CTLA-4-FC fusion protein for injection 5mg/kg

Placebo Group:Recombinant human CTLA-4-FC fusion protein for injection 5mg/kg

Recombinant human CTLA-4-FC fusion protein for injection 7.5mg/kg

Placebo Group:Recombinant human CTLA-4-FC fusion protein for injection 7.5mg/kg
Placebo-10mg/kgBIOLOGICAL

Recombinant human CTLA-4-FC fusion protein for injection 10mg/kg

Placebo Group:Recombinant human CTLA-4-FC fusion protein for injection 10mg/kg

Eligibility Criteria

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

You may qualify if:

  • For healthy subjects, health was defined as no abnormality or no abnormality of clinical significance during the screening period, such as medical history, physical examination, electrocardiogram, imaging, and laboratory results;
  • Male or female subjects, between 18 and 45 years old (including boundary values);
  • Male subjects should weigh no less than 50.0 kg and female subjects should weigh no less than 45.0 kg. Body mass index (BMI) between 19.0 and 25.0 kg/m2 (including critical value),BMI= weight (kg)/ height 2(m2);
  • Women of reproductive age must use a reliable method of contraception to avoid pregnancy throughout the study period, 4 weeks prior to administration and 3 months after the end of the study, and fertile men must use a reliable method of contraception to avoid pregnancy during the study period and 3 months after the end of the study;
  • Subjects voluntarily participated in the study and signed informed consent.

You may not qualify if:

  • Allergic disposition, known or suspected allergy to the test drug or any excipients (disodium hydrogen phosphate and mannitol) or allergy to alcohol/iodine (or iodophor)/ heparin or a history of allergy to any drug, food or pollen, or abnormal serum immunoglobulin E(IgE) tests, conforming to any of these conditions;
  • Have a fertility plan or sperm/egg donation plan during the study period and within 3 months after the study; Female subjects have positive urine/blood pregnancy test at baseline, or are lactating;
  • Female subjects who took oral contraceptives 30 days before and during the trial, or who used long-acting estrogen or progesterone injections or implants 6 months before and during the trial;
  • Patients with central nervous system, cardiovascular system, liver and kidney dysfunction, digestive system, respiratory system and skeletal system diseases (including but not limited to arrhythmia, bradycardia, hypotension, coronary heart disease, bronchial asthma, diabetes, hyperthyroidism, Parkinson's disease, epilepsy, paralysis tremor) Or a history of mental illness and any other diseases or physical conditions that may affect the results of the study;
  • Acute chronic bacterial infection within 3 months before enrollment; At the time of enrollment, any symptoms, signs or abnormal laboratory examination suggested the possibility of acute or subacute infection (such as fever, cough, urination, pain, abdominal pain, diarrhea, skin infection, wound, etc.);
  • Those who had undergone major surgical operations (craniotomy or thoracotomy) within 4 weeks prior to enrollment, or planned to undergo surgery during the study period, and had unhealed wounds, ulcers or fractures;
  • Patients with herpes zoster remission less than 2 months before enrollment;
  • Physical examination or ecg reveals abnormal vital signs: heart rate \< 50 beats/min or \> 100 times/min (at least 5 minutes after resting), systolic pressure \> 140 mmHg or diastolic blood pressure \> 90 mmHg, or postural hypotension, body temperature (axillary temperature) 37.3;
  • Blood routine examination: White blood cell (WBC)\& LT; 3.0 109 / L or \& gt; 9.5 109/L, neutrophils \< 1.5 109/L, platelet \< 100 109/L; Hemoglobin \& Lt; 130g/L(male) or \< 110 g/L (women); Bilirubin \& gt; 1.2 times normal upper limit, serum creatinine \& GT; Upper normal value; AST\> Upper limit of normal,ALT\> Upper limit of normal;
  • Subjects at risk for tuberculosis (TB) :1) have a history of active TB infection; 2) Tuberculin test positive; 3) Radiological examination indicated past tuberculosis infection;
  • Hiv-ab HCV-AB HBsAg syphilis test results of either positive;
  • Persons with a history of drug or alcohol abuse or positive urine drug screening within 6 months prior to screening;
  • Those who donated blood within 3 months before enrollment or planned to donate blood during the study period and 1 month after the study ended;
  • Patients who had received blood transfusion within 4 weeks prior to enrollment;
  • Subjects who were smokers (who had smoked for more than 6 months prior to screening and smoked more than 5 cigarettes per day), consumed 3 cups of coffee or other caffeine-containing beverages, or 5 cups of tea per day;
  • +5 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Peking University People's Hospital

Beijing, China

RECRUITING

MeSH Terms

Interventions

Injections

Intervention Hierarchy (Ancestors)

Drug Administration RoutesDrug TherapyTherapeutics

Study Officials

  • Huiying Rao, M.D.

    Peking University People's Hospital

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Xiaoming Gong, Msc

CONTACT

Yi Fang, Phd

CONTACT

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 21, 2021

First Posted

February 25, 2022

Study Start

September 21, 2021

Primary Completion

December 31, 2025

Study Completion

December 31, 2025

Last Updated

May 7, 2024

Record last verified: 2024-05

Data Sharing

IPD Sharing
Will not share

Locations