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Recruiting NCT07175506

Study of CM559 in Healthy Subjects

Phase I Interventional Healthy Subjects

For patients and families

In plain language

An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.

What is being studied
The protocol lists: Placebo, CM559.
Who it may be relevant to
Registry conditions: Healthy Subjects. Basic parameters: 18 years — 60 years · Male.
What needs checking
Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
Where it takes place
China
Next step
Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →
Official title

A Randomized, Double-blind, Placebo-controlled Phase I Clinical Study Evaluating the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Immunogenicity of CM559 in Healthy Subjects With Single Ascending Dose Administration

Overview

This study is a single center, randomized, double-blind, placebo-controlled, single dose, dose escalation Phase I clinical study aimed at evaluating the safety, tolerability, pharmacokinetics, pharmacodynamics, and immunogenicity of CM559 administered intravenously at different doses in healthy male subjects.

Interventions

  • Drug Placebo
    Placebo injection administered IV, once.
  • Biological CM559
    CM559 injection administered IV, once.

Primary outcome measures

  • Safety and tolerability of single dose administration of CM559 in healthy male subjects: Adverse events (AEs), physical examinations, vital signs, 12-lead electrocardiograms (ECGs), magnetic resonance imaging (MRI), laboratory tests, etc. [Time frame: Up to 99 Days]

Eligibility criteria

Inclusion criteria

  • Subjects age ≥ 18 years \& ≤60 years.
  • Subjects voluntarily signed the Informed Consent Form and were able to comply with the provisions of this protocol.

Exclusion criteria

  • The average number of cigarettes smoked per day is greater than 5 within 3 months prior to screening.
  • Drinking heavily within 3 months prior to screening, or unable to guarantee not to drink alcohol during the research period, or positive alcohol breath testing.
  • History of drug abuse within 1 year prior to screening, or positive urine drug abuse screening.
  • Blood donation or any other form of blood loss exceeding 400mL, or accepting blood transfusion within 12 weeks prior to screening.
  • Suspected allergy to Aβ-antibody drugs, humanized monoclonal antibody drugs and their excipients, or other biological agents, or have a history of severe allergic reactions to other drugs.
  • Severe trauma or undergo major surgery within 3 months prior to screening,or planned surgery during the research period.

Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.

Healthy volunteers: Yes

Study design

Allocation
Randomized
Model
Sequential
Masking
Quadruple blind
Primary purpose
Treatment

Study locations

China · 1 center
  • Sichuan Provincial People's Hospital — Chengdu

Identifiers

NCT: NCT07175506 · CM559-109001

Primary sources (government registries)

View this study on ClinicalTrials.gov ↗