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AsthmaPhase 1NCT05171348

A Multiple Ascending Doses Study of CM326 Injection in Healthy Subjects

A Phase 1 study testing CM326 in people with Asthma, run by Keymed Biosciences Co.Ltd at 1 site in China.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This is a single-center, randomized, double-blind, placebo-controlled, dose-escalating study to evaluate the safety, tolerability, PK profile, and immunogenicity of multiple SC administraion of CM326 at different doses in healthy subjects. 40 healthy male subjects will be enrolled in the study. Read more about this study

Who is it for?
Ages 18 to 65 years, men onlyHealthy volunteers can take part
Conditions the study is for
Asthma
What is being tested?
CM326
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
40 participants
Where
1 siteChina
Study dates
7 Jan 2022to 11 Oct 2022
Phase
Phase 1
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 65 years
  • Men only
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Male healthy volunteers, aged between 18 and 65 years of age inclusive, with a body mass index (BMI) within 18-26 kg/m2 (inclusive);
  • Medical history, vital signs, physical examination, 12-lead Electrocardiogram, chest X-ray and abdominal color ultrasound are normal or abnormal with no clinical significance;
  • All variables of clinical laboratory tests are normal or abnormal with no clinical significance;
  • Subjects and partners agree to take effective contraception throughout the study (from screening to 3 months after the end of treatment);
  • Capable of understanding the nature of the study and voluntarily signing the Informed Consent Form.

Who cannot join

  • Known allergy to monoclonal antibody drugs or other related drugs, or allergy to excipients of CM326 injection;
  • History of any clinically serious disease or history of circulatory, endocrine, neurological or hematological, immune, psychiatric, and metabolic diseases;
  • History of asthma and allergic reactions;
  • Use of any prescription drugs within 2 weeks prior to dosing, use of traditional Chinese medicine or over-the-counter drugs within 1 week prior to dosing;
  • Received any marketed or investigational biologics within 5 half-lives (if known) or 12 weeks (whichever is longer) prior to dosing, or any investigational non-biologics within 5 half-lives (if known) or 4 weeks (whichever is longer) prior to dosing.

Trial locations and contacts

1 site in 1 country.

China1 site
  • West China Hospital of Sichuan University

    Chengdu, Sichuan

Other trials in China

About this study

Official title: A Randomized, Double-blind, Placebo-controlled Phase I Clinical Study to Evaluate the Safety, Tolerability, Pharmacokinetics and Immunogenicity of Multiple Ascending Doses of CM326 Injection by Subcutaneous Administration in Healthy Subjects

This is a single-center, randomized, double-blind, placebo-controlled, dose-escalating study to evaluate the safety, tolerability, PK profile, and immunogenicity of multiple SC administraion of CM326 at different doses in healthy subjects.

40 healthy male subjects will be enrolled in the study. The drug will be administered by dose-escalating principle at 4 dose levels: 55 mg Q2W, 110 mg Q2W, 220 mg Q2W, 220 mg Q4W.

Conditions
Asthma
Being tested
CM326, Placebo
Medical subject headings
Asthma

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • CM326Drug

    a humanized monoclonal antibody

  • PlaceboDrug

    Placebo

Study groups in NCT05171348
Study groupRoleWhat they receive
CM326 55mg Q2WExperimental55mg for 6 doses, SC, Q2W
Receives: Drug: CM326
CM326 110mg Q2WExperimental110mg for 6 doses, SC, Q2W
Receives: Drug: CM326
CM326 220mg Q2WExperimental220mg for 6 doses, SC, Q2W
Receives: Drug: CM326
CM326 220mg Q4WExperimental220mg for 3 doses, SC, Q4W
Receives: Drug: CM326
PlaceboPlacebo comparatorPlacebo
Receives: Drug: Placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Incidence of adverse events (AEs)

    Incidence of AEs, including any abnormal physical examinations, abnormal vital signs, abnormal ECG, and abnormal lab testing.

    Measured: up to Week 24

Secondary outcomes (5)
  1. PK parameters: time to maximum concentration (Tmax).

    Time to maximum concentration (Tmax).

    Measured: up to Week 16

  2. PK parameters: maximum concentration (Cmax).

    Maximum concentration (Cmax).

    Measured: up to Week 16

  3. PK parameters: area under the plasma concentration-time curve over a dosing interval (AUCtau).

    Area under the plasma concentration-time curve over a dosing interval (AUCtau).

    Measured: up to Week 16

  4. PK parameters: area under the plasma concentration-time curve from 0 to t (AUC0-t).

    Area under the plasma concentration-time curve from 0 to t (AUC0-t).

    Measured: up to Week 16

  5. Immunogenicity endpoints: Occurrence of anti-drug antibodies (ADA) to CM326.

    Occurrence of anti-drug antibodies (ADA) to CM326.

    Measured: up to Week 16

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted28 Dec 2021
  2. Study start7 Jan 2022
  3. Primary completion11 Oct 2022
  4. Study completion11 Oct 2022

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Sequential
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
40 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05171348
Sponsor's protocol ID
CM326HV002
Status last verified
Dec 2021
First submitted
9 Dec 2021
Last updated
22 Jun 2023
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No

Publications

  • Di Y, Yang L, Zhou J, Zhang L, Huang Y, Jia Y, Yan H, Chen L, Hou Q, Chen B, Luo Z, Hou J. Translational Investigation of CM326 from Preclinical Studies to Randomized Phase I Clinical Trials in Healthy Adults. BioDrugs. 2025 May;39(3):487-498. doi: 10.1007/s40259-025-00714-4. Epub 2025 Apr 4.

    PubMed 40185989

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing CM326 in people with Asthma, run by Keymed Biosciences Co.Ltd at 1 site in China.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 22 Jun 2023. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Incidence of adverse events (AEs) (time frame: up to Week 24). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT05171348, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 22 Jun 2023.

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