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An Evaluation of 9MW1911 Injection in Healthy Subjects

A Randomized, Double-blind, Dose-escalation Phase I Clinical Study to Evaluate the Safety, Tolerability and Pharmacokinetics of 9MW1911 Injection in Healthy Subjects

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05803902
Enrollment
48
Registered
2023-04-07
Start date
2021-12-15
Completion date
2023-03-06
Last updated
2025-12-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Asthma, Atopic Dermatitis, COPD

Brief summary

This study is a randomized, double-blind, dose-escalating phase I clinical study to evaluate the safety, tolerability and pharmacokinetics of 9MW1911 injection in healthy subjects.

Interventions

DRUGExperimental drug 9MW1911

Experimental drug administered with IV infusion

DRUGPlacebo

Placebo administered with IV infusion

Sponsors

Mabwell (Shanghai) Bioscience Co., Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
Yes

Inclusion criteria

\- 1. Male or female subjects aged 18 to 65 years (including 18 and 65 years). 2. Weight≥50.0 kg for males, or weight≥45.0 kg for females, and body mass index (BMI) in the range of 19.0 \ 26.0 kg/m2 (including cut-off value). 3\. Female subjects must have a negative β-HCG pregnancy test (Screening and Baseline); Subjects(including their partners) will take effective contraceptive measures voluntarily.

Exclusion criteria

* 1\. Subjects who have a history of allergies to biological agents or any drug components; those who have a history of allergies and judged by the investigator to be ineligible for enrollment. 2\. The clinical laboratory tests show any clinical abnormalities, or abnormalities with clinical significance (including but not limited to diseases of digestive tract, kidney, liver, nervous system, blood, endocrine system, cancer, lung, immune system, mental, heart) , and judged by the investigator to affect participation in this study. 3\. Subjects with prolonged QTcF interval (\> 450 ms) on electrocardiogram (ECG) examination, or family history of prolonged QTc syndrome or sudden death. 4\. Subjects received any biological treatment (including all vaccines except the coronavirus vaccine) within 3 months before screening, or planned to take biological treatment during the study period, or received the new coronavirus vaccine within 1 month before screening. 5\. Subjects received any prescription drugs or traditional Chinese medicines, including vitamins, trace elements or dietary supplements within 14 days before screening; except for topical products without systemic absorption. 6\. Subjects with a history of smoking within 6 months before screening, or unwilling to stop smoking during the study, or willing to use products containing nicotine during the study. 7\. Subjects who have lost blood or donated blood ≥200mL within 3 months before screening, or those who plan to donate blood within 3 months. 8\. Subjects positive screening for viral hepatitis (including hepatitis B and C), HIV antibodies, and Treponema pallidum antibodies. 9\. Subjects who paticipated any clinical trial within 3 months before screening. 10\. Subjects who is inappropriate to participate in the trial due to any reasons as determined by the investigator.

Design outcomes

Primary

MeasureTime frameDescription
Adverse Event(including serious adverse event)Day0-Day113Evaluate the safety and tolerability of 9MW1911 in healthy subjects, and to determine the possible maximum tolerated dose (MTD).

Secondary

MeasureTime frameDescription
Pharmacokinetics parametersDay0-Day113Maximum concentration(Cmax)
Immunogenicity parametersDay0-Day113The incidence of ADAs against 9MW1911 during the study will be summarized

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026