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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03836599
Other study ID # D5495C00006
Secondary ID
Status Completed
Phase Phase 1
First received
Last updated
Start date January 16, 2019
Est. completion date April 26, 2019

Study information

Verified date May 2019
Source AstraZeneca
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This is a randomized, placebo controlled, double-blind study with two separate cohorts to assess safety, tolerability and pharmacokinetics of verinurad and allopurinol in healthy subjects.

In cohort 1, twelve Asian subjects will be treated with allopurinol 300mg for 7 days followed by either allopurinol 300mg and verinurad 24mg or matching placebo for 7 days.

In Cohort 2, nine Chinese subjects will be treated with allopurinol 300mg for 7 days followed by allopurinol 300mg and verinurad 12mg administered on 7 out of 8 days.


Description:

This is a Phase I study with 2 parallel cohorts which will be performed at a single study center.

Cohort-1 will comprise of 12 healthy Asian participants, and will follow a randomized, double-blind, placebo-controlled design. The number of Chinese participants included in Cohort 1 must be less than 50% of the total number of participants enrolled into the cohort. Nine participants will be randomized to receive 24 mg verinurad and 300 mg allopurinol once daily for 7 days and 3 participants will be randomized to receive matching placebos once daily for 7 days. Cohort 1 participants will undergo a Screening Period of a maximum of 28 days followed by a 7-day Run-in Period during which participants will receive 300 mg allopurinol or matching placebo once daily. Participants will then be randomized before the start of the Run-in Period. The Run-in Period is intended to decrease the risk of skin toxicity of allopurinol. Participants will be admitted to the clinical unit 2-days before the treatment period, during which they will receive once daily doses of 24 mg verinurad and 300 mg allopurinol or matching placebos. Participants will be discharged from the clinical unit on Day 8, but will return for a Follow-up Visit within 7 to 14 days.

Cohort-2 will comprise of 9 healthy Chinese participants and will follow an open-label design. All 9 Chinese participants will receive 12 mg verinurad and 300 mg allopurinol on Day 1 and Day 3 to Day 9. For Cohort-2, participants will undergo a Screening Period of a maximum of 28 days followed by a 7-day Run-in Period during which participants will receive 300 mg allopurinol once daily. Participants will be admitted to the Clinical Unit on Day -2, and will receive a single dose of 12 mg verinurad and 300 mg allopurinol on Day 1. No dosing will be done on Day 2. Participants will continue dosing on Day 3 and will be dosed once daily until Day 9. Participants will be discharged from the Clinical Unit on Day 10, but will return for a Follow-up Visit within 7 to 14 days.


Recruitment information / eligibility

Status Completed
Enrollment 6
Est. completion date April 26, 2019
Est. primary completion date April 26, 2019
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 50 Years
Eligibility Inclusion Criteria:

- Provision of signed and dated, written informed consent prior to any study specific procedures.

- Applicable only to Cohort 1: Healthy male and female Asian subjects aged 18 to 50 years (inclusive) at the Screening Visit with suitable veins for cannulation or repeated venipuncture. A subject will be considered Asian if the subject and both of the subject's parents are part of the original peoples of the Far East, Southeast Asia, or the Indian subcontinent, including, for example, Cambodia, China, India, Japan, Korea, Malaysia, Pakistan, the Philippine Islands, Thailand, and Vietnam).

- Applicable only to Cohort 2: Healthy male and female Chinese subjects aged 18 to 50 years (inclusive) at the Screening Visit with suitable veins for cannulation or repeated venipuncture. A subject will be considered Chinese if:

- Both parents and all grandparents are Chinese, and

- Subject was born in China, and

- Subject has not lived outside China for more than 10 years.

- Subject has a sUA acid level > 4.0 mg/dL at the Screening Visit. The assessment may be repeated once during the Screening Period.

- Females must have a negative pregnancy test at the Screening Visit and Day -7, must not be lactating and must be:

1. Of non-childbearing potential, confirmed at the Screening Visit by fulfilling one of the following criteria:

- Post-menopausal defined as amenorrhea for at least 12 months or more following cessation of all exogenous hormonal treatments and Follicle-stimulating hormone (FSH) levels in the post-menopausal range (FSH levels > 40 IU/mL).

- Documentation of irreversible surgical sterilization by hysterectomy, bilateral oophorectomy or bilateral salpingectomy but not tubal ligation.

2. OR if of childbearing potential must be willing to use an acceptable method of contraception to avoid pregnancy for the entire study period.

Exclusion Criteria:

- Any clinically significant abnormalities in clinical chemistry, hematology, or urinalysis results, at the Screening Visit as judged by the Investigator including:

1. Alanine aminotransferase (ALT) >1.5 x upper limit of normal (ULN);

2. Aspartate aminotransferase (AST) >1.5 x ULN;

3. Bilirubin (total) > 1.5 x ULN; and

4. Gamma glutamyl transpeptidase (GGT) >1.5 x ULN. If any these tests are out-of-range the test can be repeated once at the Screening Visit at the discretion of the Investigator.

- Known carrier of the Human Leukocyte Antigen-B (HLA-B) *58:01 allele.

- Any positive result on screening for serum hepatitis B surface antigen, hepatitis C antibody, and human immunodeficiency virus (HIV) antibody.

- Suspected or known Gilbert's syndrome.

- Current smokers or those who have smoked or used nicotine products (including e-cigarettes within the previous 3 months).

- Positive screen for drugs of abuse, cotinine (nicotine) or alcohol at the Screening Visit or on Day -7.

- Use of any prescribed or non-prescribed medication including antacids, analgesics (other than paracetamol/acetaminophen), herbal remedies, megadose vitamins (intake of 20 to 600 times the recommended daily dose) and minerals during the 2 weeks prior to the first administration of investigational product or within 5 half-lives (whichever is longer). The use of hormonal contraception therapy and hormonal replacement therapy for females are permitted.

- Has received another new chemical or biological entity (defined as a compound which has not been approved for marketing in the US) within 30 days or within 5 half-lives (whichever is longer) of the first administration of investigational drug in this study.

- Involvement of any AstraZeneca, PAREXEL or study site employee or their close relatives.

- Subjects who are vegans or have medical dietary restrictions.

Study Design


Intervention

Drug:
Verinurad
Participants will receive verinurad 24 mg in cohort 1 and 12 mg in cohort 2 once daily.
Allopurinol
Participants will receive allopurinol 300 mg once daily.
Placebo
During Run-in Period, participants in cohort 1 will receive placebo matching allopurinol capsule once daily from Day -7 to Day -1. During treatment period, participants in cohort 1 will receive placebo matching allopurinol capsule and placebo matching verinurad capsule once daily from Day 1 to Day 7.

Locations

Country Name City State
United States Research Site Glendale California

Sponsors (2)

Lead Sponsor Collaborator
AstraZeneca Parexel

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Number of participants with adverse events To assess the safety and tolerability of verinurad and allopurinol in healthy Asian and Chinese participants. From screening up to Follow-up visit/Early discontinuation visit (EDV) (7-14 Days Post-last PK Sample)
Primary Number of participants with abnormal findings in electrocardiography (ECG) To assess abnormal resting digital 12-lead electrocardiograms as a variable of safety and tolerability of verinurad and allopurinol in healthy Asian and Chinese participants. From screening up to Follow-up visit/EDV (7-14 Days Post-last PK Sample)
Primary Number of participants with abnormal pulse rate To assess abnormal pulse rate as a variable of safety and tolerability of verinurad and allopurinol in healthy Asian and Chinese participants. From screening up to Follow-up visit/EDV (7-14 Days Post-last PK Sample)
Primary Number of participants with abnormal hematology To assess white blood cell count (WBC), red blood cell count (RBC), neutrophils absolute count, lymphocytes absolute count, monocytes absolute count, eosinophils absolute count, basophils absolute count, platelets, and reticulocytes absolute count as a variable of safety and tolerability of verinurad and allopurinol in healthy Asian and Chinese participants. From screening up to Follow-up visit/EDV (7-14 Days Post-last PK Sample)
Primary Number of participants with abnormal blood pressure (systolic and diastolic) To assess abnormal blood pressure (systolic and diastolic) as a variable of safety and tolerability of verinurad and allopurinol in healthy Asian and Chinese participants. From screening up to Follow-up visit/EDV (7-14 Days Post-last PK Sample)]
Primary Number of participants with abnormal physical examination To assess safety and tolerability by assessment of the general appearance, respiratory, cardiovascular, abdomen, skin, head, and neck (including ears, eyes, nose, and throat), lymph nodes, thyroid, musculoskeletal and neurological systems. From screening up to Follow-up visit/EDV (7-14 Days Post-last PK sample)]
Primary Number of participants with abnormal electrolytes To assess serum level of sodium, potassium, calcium (total), and phosphate as a variable of safety and tolerability of verinurad and allopurinol in healthy Asian and Chinese participants. From screening up to Follow-up visit/EDV (7-14 Days Post-last PK smaple)]
Primary Number of participants with abnormal hemoglobin (Hb) To assess Hb as a variable of safety and tolerability of verinurad and allopurinol in healthy Asian and Chinese participants. From screening up to Followup visit/EDV (7-14 Days Postlast PK Sample)
Primary Number of participants with abnormal hematocrit To assess hematocrit as a variable of safety and tolerability of verinurad and allopurinol in healthy Asian and Chinese participants. From screening up to Followup visit/EDV (7-14 Days Postlast PK Sample)
Primary Number of participants with abnormal Mean corpuscular volume (MCV) To assess MCV as a variable of safety and tolerability of verinurad and allopurinol in healthy Asian and Chinese participants. From screening up to Followup visit/EDV (7-14 Days Postlast PK Sample)
Primary Number of participants with abnormal mean corpuscular hemoglobin (MCH) To assess MCH as a variable of safety and tolerability of verinurad and allopurinol in healthy Asian and Chinese participants. From screening up to Followup visit/EDV (7-14 Days Postlast PK Sample)
Primary Number of participants with abnormal mean corpuscular hemoglobin concentration (MCHC) To assess MCHC as a variable of safety and tolerability of verinurad and allopurinol in healthy Asian and Chinese participants. From screening up to Followup visit/EDV (7-14 Days Postlast PK Sample)
Primary Number of participants with abnormal clinical chemistry To assess the safety and tolerability profile of verinurad and allopurinol treatment in terms of the number of participants with abnormal clinical chemistry values. The laboratory variables to be measured are: bilirubin, creatinine, albumin, alkaline phosphatase (ALP), alanine aminotransferase (ALT), aspartate aminotransferase (AST), cystatin C, gamma glutamyl transpeptidase, urea and uric acid. From screening up to Follow-up visit/EDV (7-14 Days Post-last PK Sample)
Primary Number of participants with abnormal urinalysis. To assess the safety and tolerability profile of verinurad and allopurinol treatment in terms of the number of participants with abnormal urinalysis values. The laboratory variables to be measured are: protein, glucose, blood, uric acid, pH, sodium, creatinine, and cystatin C. From screening up to Follow-up visit/EDV (7-14 Days Post-last PK Sample)
Secondary Area under plasma concentration-time curve from zero to infinity (AUC), AUC(0-t), AUC(0-24), and AUCt To evaluate the pharmacokinetics of verinurad, allopurinol and oxypurinol in healthy Asian and Chinese participants. On Day 1, Days 3 to 6, Day 7 (cohort 1). On Day 1, Day 2, Days 3 to 8, and Day 9 (Cohort 2).
Secondary Observed concentration and percentage change from baseline in serum uric acid To evaluate serum uric acid of verinurad and allopurinol treatment in terms of the number of participants with observed concentration and percentage change from baseline in serum uric acid. On Day -1: -24, -21, -18, and -12 hours prior to dosing on Day 1. On Days 1, 7 and 9 (Pre-dose, 3, 6, 12, and 24 hours post-dose).
Secondary Observed concentration and percentage change from baseline in urine uric acid To evaluate urine uric acid of verinurad and allopurinol treatment in terms of the number of participants with observed concentration and percentage change from baseline in urine uric acid. On Day -1: baseline collection of urine: -24 to -22 h, -22 h to -20 h, -18 h to -16 h, -16 h to - 12 h and -12 h to 0 h prior to dosing on Day 1, on Days 1, 7 and 9 (0-2 h, 2-4 h, 4-6 h, 6-8 h, 8-12 h, and 12-24 h post-dose).
Secondary Maximum observed plasma concentration (Cmax) and Minimum observed plasma concentration (Cmin) To evaluate the pharmacokinetics of verinurad, allopurinol and oxypurinol in healthy Asian and Chinese participants. On Day 1, Days 3 to 6, Day 7(cohort 1). On Day 1, Day 2, Days 3 to 8, and Day 9 (Cohort 2)
Secondary Time to reach maximum observed plasma concentration (tmax) and Time of last measurable concentration (tlast) To evaluate the pharmacokinetics of verinurad, allopurinol and oxypurinol in healthy Asian and Chinese participants. On Day 1, Days 3 to 6, Day 7 (cohort 1). On Day 1, Day 2, Days 3 to 8, and Day 9 (Cohort 2).
Secondary Apparent total body clearance of drug from plasma after extravascular administration across the dosing interval (CL/F) To evaluate the pharmacokinetics of verinurad, allopurinol and oxypurinol in healthy Asian and Chinese participants. On Day 1, Days 3 to 6, Day 7(cohort 1). On Day 1, Day 2, Days 3 to 8, and Day 9 (Cohort 2)
Secondary Half-life associated with terminal slope (?z) of a semi-logarithmic concentration-time curve (t½?z) To evaluate the pharmacokinetics of verinurad, allopurinol and oxypurinol in healthy Asian and Chinese participants. On Day 1, Days 3 to 6, Day 7(cohort 1). On Day 1, Day 2, Days 3 to 8, and Day 9 (Cohort 2)
Secondary Apparent volume of distribution based on the terminal phase (Vz/F) and Apparent volume of distribution during the terminal phase after extravascular administration (Vss/F) To evaluate the pharmacokinetics of verinurad, allopurinol and oxypurinol in healthy Asian and Chinese participants. On Day 1, Days 3 to 6, Day 7 (cohort 1). On Day 1, Day 2, Days 3 to 8, and Day 9 (Cohort 2)
Secondary Mean residence time (MRT) To evaluate the pharmacokinetics of verinurad, allopurinol and oxypurinol in healthy Asian and Chinese participants. On Day 1
Secondary Accumulation ratio for Cmax and AUCt To evaluate the pharmacokinetics of verinurad, allopurinol and oxypurinol in healthy Asian and Chinese participants. On Day 7 (Cohort 1) or Day 9 (Cohort 2)
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