About this trial
This Phase I/II clinical trial is designed to evaluate, through a single-dose Phase I segment and a multiple-dose Phase II segment, the safety/tolerability, pharmacokinetic (PK) profile, and pharmacodynamic (PD) characteristics of BEBT-701 administered by subcutaneous injection in patients with mild to moderate hypertension and elevated LDL-C , and to explore its preliminary efficacy.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Male or female aged 18 to 60 years (inclusive).
Subjects with essential hypertension who are either treatment-naive or have remained off any antihypertensive medication for ≥ 30 days prior to screening and in whom the investigator deems no additional antihypertensive therapy necessary during the study period.
Body-mass index (BMI) 18.6-30kg/m² (inclusive); body weight ≥ 50 kg for men and ≥ 45 kg for women.
Has maintained a stable diet for at least 4 weeks before screening and has no plan to make a clinically significant change in diet or body weight during the study (a change > 10 % is considered significant).
Disqualifiers
Any history of severe illness-apart from hypertension and hyperlipidemia-that in the investigator's opinion could influence trial outcomes, including but not limited to diseases of the circulatory system (e.g., orthostatic hypotension, NYHA class II-IV heart failure, aortic stenosis, major aortic aneurysm or dissection, hypertensive encephalopathy, acute stroke, transient ischemic attack, acute myocardial infarction, significant arrhythmias), endocrine, neurologic, gastrointestinal, genitourinary, hematologic, immunologic, psychiatric, or metabolic disorders.
History of allergic disease or atopic diathesis (≥3 drug or food allergies), or known hypersensitivity to oligonucleotide-based therapeutics.
Use of anti-PCSK9 or anti-AGT antibody agents within 6 months before screening, or of PCSK9- or AGT-targeted oligonucleotide drugs within 12 months before screening.
Malignancy within 5 years before informed-consent signature (exceptions: adequately resected and cured basal- or squamous-cell skin carcinoma, cervical carcinoma in situ, or other cancers considered cured by surgery alone).
Trial design
Parallel
Treatments tested in this trial
BEBT-701 Injection
DrugPhase I: The starting dose of BEBT-701 injection is 100 mg; the single subcutaneous doses are 100 mg, 200 mg, 400 mg, 800 mg, and 1200 mg. Phase II: Based on the preliminary Phase I findings, three dose levels will be selected for the Phase II study, with BEBT-701 injection administered subcutaneously on Day 1 and Day 85.
BEBT-701 Injection Placebo(0.9% Sodium Chloride Injection)
DrugPhase I:BEBT-701 injection placebo, administered as a single subcutaneous dose. Phase II:BEBT-701 injection placebo administered subcutaneously on Day 1 and Day 85.
Treatment groups
Trial outcomes
Primary outcomes
Occurrence of Adverse Events (AEs)
Occurrence of AEs will be graded according to the National Cancer Institute Common Terminology Criteria for Adverse Events Version 5.0 (NCI CTCAE V5.0).
Low-Density Lipoprotein Cholesterol(LDL-C)
Percentage change from baseline in LDL-C after dosing.
24hour-Ambulatory Blood Pressure Monitoring(24h-ABPM)
Change from baseline in mean 24h-ABPM systolic blood pressure (SBP) after dosing.
Secondary outcomes
AUC0-∞
The area under the plasma concentration-time curve from time zero to infinity.
Cmax
The maximum plasma drug concentration
Tmax
The time to reach maximum plasma drug concentration
t1/2
The time for plasma drug concentration to halve
Other outcomes
Immunogenicity parameters
Anti-drug antibodies(ADA), interleukin-2(IL-2), interleukin-4(IL-4), interleukin-6(IL-6), interleukin-10(IL-10), interferon-gamma(IFN-γ), tumor necrosis factor-alpha(TNF-α), complement 3(C3)and complement 4(C4).
Sponsors and contacts
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