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A Study of SHR-1707 in Healthy Young Adult and Elderly Subjects

Phase 1
Completed
Conditions
Alzheimer's Disease
Interventions
Drug: Placebo
Registration Number
NCT04973189
Lead Sponsor
Shanghai Hengrui Pharmaceutical Co., Ltd.
Brief Summary

The study is being conducted to evaluate the safety, tolerability, pharmacokinetics and pharmacodynamics of single intravenous administration of SHR-1707 in healthy young adult and elderly subjects.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
63
Inclusion Criteria
  1. Ability to understand the trial procedures and possible adverse events, be able and willing to provide a written informed consent
  2. Male or female aged between 18 years and 45 years (inclusive) at the date of signed consent form in Part 1 and aged between 55 years and 80 years (inclusive) in Part 2
  3. Total body weight of 45~100 kg (inclusive), with a body mass index (BMI) of 19~28 kg/m2 (inclusive)
  4. Subjects with good general health, no clinically significant abnormalities, or have underlying disease which is believed to have minimal impact on the study treatment in elderly subjects
  5. WOCBP agree to take effective contraceptive methods
Exclusion Criteria
  1. Severe injuries or surgeries within 6 months before screening
  2. Positive hepatitis B virus (HBsAg), hepatitis C virus (HCV-Ab), or human immunodeficiency virus (HIV-Ab) at screening
  3. ALT, or AST or total bilirubin level <1.5x upper limit of normal range (ULN) at screening or baseline visits
  4. QTcF > 450msec (Male), QTcF > 470msec (Female) in 12-lead ECG test during screening and baseline
  5. Known history or suspected of being allergic to Aβ antibody
  6. Use of any medicine within 14 days (including any prescription, or over-the-counter medicine, herbal remedy or nutritional supplement, except for vitamins and acetaminophen with recommended dose [The dose of acetaminophen should be less than 2g/day, and no more than 3 days for continuous use]), or within 5 half-lives
  7. Live (attenuated) vaccination within 1 month before screening
  8. Blood donation or loss of more than 400 mL of blood within 3 months; or received blood transfusion within 3 months before screening.
  9. History of alcohol abuse in the past 12 months of screening
  10. History of illicit or prescription drug abuse or addiction within 12 months of screening
  11. More than 5 cigarettes daily for 12 months before screening
  12. Participation in clinical trials of other investigational drugs (include placebo) or medical devices within 3 months prior to screening
  13. Researchers and relevant staff of the research center or other persons directly involved in the implementation of the program
  14. The instigators determined that other conditions were inappropriate for participation in this clinical trial

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
placebo in elderly subjectPlacebo-
A single dose of SHR-1707 by intravenous infusion in elderly subjects.SHR-1707-
placebo in healthy young adults.Placebo-
A single dose of SHR-1707 by intravenous infusion in healthy young adults.SHR-1707-
Primary Outcome Measures
NameTimeMethod
Incidence and Severity of Adverse Events as a Measure of Safety and TolerabilityStart of Treatment to end of study (approximately 12 weeks)

Incidence and severity of adverse events

Secondary Outcome Measures
NameTimeMethod
Mean residence time (MRT) of SHR-1707Start of Treatment to end of study (approximately 12 weeks)

Mean residence time of SHR-1707

Area under the concentration-time curve from time 0 to last time point (AUC0-last) after SHR-1707 administrationStart of Treatment to end of study (approximately 12 weeks)

Area under the concentration-time curve from time 0 to last time point after SHR-1707 administration

Area under the concentration-time curve from time 0 to infinity (AUC0-inf) after SHR-1707 administrationStart of Treatment to end of study (approximately 12 weeks)

Area under the concentration-time curve from time 0 to infinity after SHR-1707 administration

Time to Cmax (Tmax) of SHR-1707Start of Treatment to end of study (approximately 12 weeks)

Time to Cmax of SHR-1707

Number of subjects with Anti-SHR-1707 antibodiesStart of Treatment to end of study (approximately 12 weeks)

Number of subjects with positive ADA titers over time for SHR-1707

Clearance (CL) of SHR-1707Start of Treatment to end of study (approximately 12 weeks)

Clearance of SHR-1707

Maximum observed concentration (Cmax) of SHR-1707Start of Treatment to end of study (approximately 12 weeks)

Maximum observed concentration of SHR-1707

Terminal elimination half-life (t1/2) of SHR-1707Start of Treatment to end of study (approximately 12 weeks)

Terminal elimination half-life of SHR-1707

The change from baseline in plasma Aβ40 and Aβ42 concentrationsStart of Treatment to end of study (approximately 12 weeks)

The change from baseline in plasma Aβ40 and Aβ42 concentrations will be measured to determine the degree of change over time.

Volume of distribution (Vss) of SHR-1707Start of Treatment to end of study (approximately 12 weeks)

Volume of distribution of SHR-1707

Trial Locations

Locations (1)

The second Hospital of Anhui Medical University

🇨🇳

Hefei, Anhui, China

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