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A Study Evaluating the Safety, Tolerability, and Pharmacokinetics of Ziresovir in Healthy Subjects

Phase 1
Completed
Conditions
Healthy Subjects
Interventions
Other: Placebo
Registration Number
NCT04788017
Lead Sponsor
Shanghai Ark Biopharmaceutical Co., Ltd.
Brief Summary

This is a randomized, double-blind, placebo-controlled, dose escalation study to evaluate the safety, tolerability, and pharmacokinetics (PK) of ziresovir following a single ascending oral dose administration in healthy adult subjects under fasted conditions.

Detailed Description

Up to 3 dose cohorts are planned. The ziresovir dose level of each cohort is determined based on the collective clinical and nonclinical data of ziresovir.

The proposed dose levels of Cohorts 1, 2 and 3 are 300 mg and up to 600 mg and up to 900 mg, respectively.

A total of up to 24 subjects will be randomized with 18 subjects to receive active drug and 6 subjects to receive placebo in a double-blind fashion. Eight subjects will be randomized in each dose cohort, with 6 subjects to receive active drug and 2 subjects o receive placebo.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
24
Inclusion Criteria
  1. Capable of giving written informed consent and complying with study procedures;
  2. Between the ages of 18 and 55 years, inclusive;
  3. Body mass index (BMI) of 18.0 to 32.0 kg/m2 inclusive and body weight not less than 50 kg;
  4. Female subjects must have a negative pregnancy test result at screening;
  5. Considered healthy by the Investigator, based on subject's reported medical history, full physical examination, 12-lead ECG, and vital signs;
  6. Willing and being able to adhere to study restrictions and to be confined at the Clinical Research Unit.
Exclusion Criteria
  1. Clinically significant reported history of gastrointestinal, cardiovascular, musculoskeletal, endocrine, hematologic, psychiatric, renal, hepatic, bronchopulmonary, neurologic, immunologic, lipid metabolism disorders, or drug hypersensitivity as determined by the Investigator;
  2. Poor venous access;
  3. Taken an investigational drug or participated in a clinical trial evaluating an investigational drug or device within 30 days (or 5 half-lives) prior to the study drug dose, whichever is longer;
  4. Taken any prescription medications within 14 days or 5 half-lives (whichever is longer) of the study drug dose;
  5. Major surgery or hospitalization within 6 months prior to screening that in the Investigator's opinion would put the subject or study conduct at risk, or have any scheduled surgery or hospitalization during the study period;
  6. Any condition or finding that in the Investigator's opinion would put the subject or study conduct at risk if the subject were to participate in the study.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
ziresovirZiresovirThe study drugs will be administered to subjects by CRU staff at approximately 8:00 a.m. (± 1 hour), following an overnight fast. Immediately following administration of the assigned dose of the study drugs, subjects will be given water such that their water consumption is approximately 240 mL as follows: * If administered 60 mL as the study drug dose, follow with approximately 180 mL water. * If administered 120 mL as the study drug dose, follow with approximately 120 mL water. * If administered 180 mL as the study drug dose, follow with approximately 60 mL water.
placeboPlaceboThe study drugs will be administered to subjects by CRU staff at approximately 8:00 a.m. (± 1 hour), following an overnight fast. Immediately following administration of the assigned dose of the study drugs, subjects will be given water such that their water consumption is approximately 240 mL as follows: * If administered 60 mL as the study drug dose, follow with approximately 180 mL water. * If administered 120 mL as the study drug dose, follow with approximately 120 mL water. * If administered 180 mL as the study drug dose, follow with approximately 60 mL water.
Primary Outcome Measures
NameTimeMethod
change from baseline in pH from urinalysisscreen/day -1/day 2/day4
numbers of all AEsthrough study completion, an average of 22 days

The Common Terminology Criteria for Adverse Events (CTCAE) Version 5 will be used to grade AEs

percentages of all AEsthrough study completion, an average of 22 days

The Common Terminology Criteria for Adverse Events (CTCAE) Version 5 will be used to grade AEs

change from baseline in systolic and diastolic blood pressurescreen/day -1/day 1/day 2/day 3/day4

blood pressure in millimeter of mercury

change from baseline in pulse ratescreen/day -1/day 1/day 2/day 3/day4

pulse rate in times per minute

change from baseline in respiratory ratescreen/day -1/day 1/day 2/day 3/day4

respiratory rate in times per minute

change from baseline in oral temperaturescreen/day -1/day 1/day 2/day 3/day4

oral temperature in degree

change from baseline in Prothrombin time/International Normalized Ratioscreen/day -1/day 2/day4

INR is calculated from the PT and allows for worldwide standardization of results.

change from baseline in Thrombin timescreen/day -1/day 2/day4

Thrombin time in seconds

change from baseline in activated Partial Thromboplastin timescreen/day -1/day 2/day4

activated Partial Thromboplastin time in seconds

change from baseline in Hemoglobin (Hgb) countscreen/day -1/day 2/day4

Hemoglobin (Hgb) in gram per liter

change from baseline in Hematocrit (Hct)screen/day -1/day 2/day4
change from baseline in Platelet countscreen/day -1/day 2/day4

Platelet count per liter

change from baseline in Red blood cell (RBC) countscreen/day -1/day 2/day4
change from baseline in White blood cell (WBC) count with differentialscreen/day -1/day 2/day4
change from baseline in Specific gravity from urinalysisscreen/day -1/day 2/day4
change from baseline in Protein from urinalysisscreen/day -1/day 2/day4
change from baseline in Glucose from urinalysisscreen/day -1/day 2/day4
change from baseline in Ketones from urinalysisscreen/day -1/day 2/day4
change from baseline in Bilirubin from urinalysisscreen/day -1/day 2/day4
change from baseline in Blood from urinalysisscreen/day -1/day 2/day4
change from baseline in Nitrites from urinalysisscreen/day -1/day 2/day4
change from baseline in Leukocytes from urinalysisscreen/day -1/day 2/day4
change from baseline in Urobilinogen from urinalysisscreen/day -1/day 2/day4
Incidence of abnormal Microscopic urine analysisscreen/day -1/day 2/day4
change from baseline in heart rate-corrected QT interval from resting 12-lead ECGsscreen/day -1/day1/day2/day4

ECGs will be performed after the subject has been supine for at least 5 minutes

change from baseline in heart rate from resting 12-lead ECGsscreen/day -1/day1/day2/day4

ECGs will be performed after the subject has been supine for at least 5 minutes

change from baseline in QRS intervals from resting 12-lead ECGsscreen/day -1/day1/day2/day4

ECGs will be performed after the subject has been supine for at least 5 minutes

change from baseline in treatment-emergent T-wave morphology from resting 12-lead ECGsscreen/day -1/day1/day2/day4

ECGs will be performed after the subject has been supine for at least 5 minutes

change from baseline in appearance of U-waves from resting 12-lead ECGsscreen/day -1/day1/day2/day4

ECGs will be performed after the subject has been supine for at least 5 minutes

Incidence of abnormal physical findingsscreen/day -1/day2/day3/day4

full physical examination will be conducted at screening and an abbreviated physical exam will be conducted on Day -1 and Day 2. A symptom-directed physical exam will be conducted on Day 3 and Day 4.

Secondary Outcome Measures
NameTimeMethod
To characterize the drug concentration of ziresovir following single ascending doses by oral administration in healthy adult male and female subjects0 (within 90 minutes prior to dosing) and 0.5, 1, 1.5, 2, 3, 4, 5, 6, 8, 10, 12, 24, 48, and 72 hours post-dose

Trial Locations

Locations (1)

Frontage

🇺🇸

Secaucus, New Jersey, United States

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