About this trial
This study is a first-in-human (FIH), randomized, double-blind, placebo-controlled study of PMG1016 in healthy adult participants. It aims to investigate the safety, tolerability, PK, and immunogenicity of PMG1016 administered via IV infusion.
Cohort 1: Healthy participants receiving single doses of PMG1016 Dose 1 or placebo.
Cohort 2: Healthy participants receiving single doses of PMG1016 Dose 2 or placebo.
Cohort 3: Healthy participants receiving single doses of PMG1016 Dose 3 or placebo.
Cohort 4: Healthy participants receiving single doses of PMG1016 Dose 4 or placebo.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
Participants must be in good health based on medical history, physical exam, vital signs, ECG, and lab results at screening, as judged by the PI.
BMI 17.5-32.0 kg/m² and body weight 50-100 kg for males or 45-100 kg for females
No clinically significant lab abnormalities (hematology, coagulation, biochemistry, urinalysis) per PI discretion
Females: Must be non-pregnant, non-lactating, and use double contraception (condom + hormonal method/vaginal ring/IUD) through study completion, unless surgically sterile, postmenopausal, or in same-sex relationships. Negative pregnancy tests required. No oocyte donation for 90 days post dose.
Disqualifiers
History or evidence of any clinically significant medical condition (e.g., cardiovascular, gastrointestinal, endocrine, hematologic, psychiatric, renal, musculoskeletal, infectious, neurological, or other major disease) as determined by the PI.
A PR <40 or >100 bpm or mean SBP >140 mmHg or DBP >95 mmHg (based on triplicate supine measurements after 5 minutes' rest).
Mean QTcF >450 ms (males) or >470 ms (females) at Screening; one repeat triplicate ECG allowed at PI discretion
Any clinically significant ECG abnormalities (rhythm, conduction, morphology) that may affect QTc interpretation, per PI judgment
Trial design
Sequential
Treatments tested in this trial
PMG1016 Dose 1
DrugParticipants will be administered PMG1016 Dose 1 or Placebo in a 100mL IV infusion Volume
PMG1016 Dose 2
DrugParticipants will be administered PMG1016 Dose 2 or Placebo in a 100mL IV infusion Volume
PMG1016 Dose 3
DrugParticipants will be administered PMG1016 Dose 3 or Placebo in a 100mL IV infusion Volume
PMG1016 Dose 4
DrugParticipants will be administered PMG1016 Dose 4 or Placebo in a 100mL IV infusion Volume
Treatment groups
Trial outcomes
Primary outcomes
Treatment-emergent adverse events (TEAEs)
The incidence and severity occurred
Serious adverse events (SAEs)
The incidence and severity occurred
Number of participants with abnormal pulse rate
Number of participants with abnormal blood pressure
Secondary outcomes
Incidence of anti-drug antibodies (ADA)
Percentage of PMG1016-induced ADA positive participants and percentage of PMG1016-boosted ADA positive participants
Maximum serum PMG1016 concentration (Cmax)
Determine PMG1016 Cmax in Serum
Time to maximum concentration (Tmax)
Determine PMG1016 Tmax in Serum.
Area under the serum drug concentration-time curve (AUC) from time zero to the last time point with measurable concentration (AUC0-t)
Determine PMG1016 AUC and AUC0-t in Serum.
Sponsors and contacts
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