RDEA3170 PK/PD Study

Sponsor
Ardea Biosciences, Inc. (Industry)
Overall Status
Completed
CT.gov ID
NCT02608710
Collaborator
(none)
40
1
3
5
8

Study Details

Study Description

Brief Summary

The purpose of this study is to examine the pharmacokinetic and pharmacodynamic effect of RDEA3170 when given as single or multiple doses

Condition or Disease Intervention/Treatment Phase
  • Drug: RDEA3170 4.5 mg
  • Drug: RDEA3170 6 mg
  • Drug: RDEA3170 12 mg
Phase 1

Study Design

Study Type:
Interventional
Anticipated Enrollment :
40 participants
Allocation:
Randomized
Intervention Model:
Parallel Assignment
Masking:
None (Open Label)
Primary Purpose:
Basic Science
Official Title:
A Phase 1, Randomized, Open-Label Study in Healthy Adult Male Subjects to Assess the Pharmacokinetics and Pharmacodynamics of RDEA3170
Study Start Date :
Nov 1, 2015
Actual Primary Completion Date :
Dec 1, 2015
Actual Study Completion Date :
Apr 1, 2016

Arms and Interventions

Arm Intervention/Treatment
Experimental: Single Dose

Single dose of RDEA3170 4.5 mg, RDEA3170 6 mg or RDEA3170 12 mg on Days 1, 5 and 9.

Drug: RDEA3170 4.5 mg

Drug: RDEA3170 6 mg

Drug: RDEA3170 12 mg

Experimental: Multiple Dose

RDEA3170 12 mg once daily (qd)

Drug: RDEA3170 12 mg

Experimental: Single Dose Food Effect

Since dose of RDEA3170 6 mg administered in fed or fasted state on Day 1 and Day 8.

Drug: RDEA3170 6 mg

Outcome Measures

Primary Outcome Measures

  1. Maximum observed concentration (Cmax) [Days -1, 1, 5 and 9]

    Single-dose Pharmacokinetic (PK) profile of RDEA3170 4.5 mg, 6 mg and 12 mg

  2. Cmax [Days -1, 1 and 7]

    Multiple-dose Pharmacokinetic (PK) profile of RDEA3170 12 mg

  3. Cmax [Days -1, 1, 7 and 8]

    Single-dose Pharmacokinetic (PK) profile of RDEA3170 6 mg under fed and fasted conditions

  4. Time of Occurrence of maximum observed concentration (Tmax) [Days -1, 1, 5 and 9]

    Single-dose Pharmacokinetic (PK) profile of RDEA3170 4.5 mg, 6 mg and 12 mg

  5. Area under the plasma concentration time curve (AUC) [Days -1, 1, 5 and 9]

    Single-dose Pharmacokinetic (PK) profile of RDEA3170 4.5 mg, 6 mg and 12 mg

  6. Tmax [Days -1, 1 and 7]

    Multiple-dose Pharmacokinetic (PK) profile of RDEA3170 12 mg

  7. AUC [Days -1, 1 and 7]

    Multiple-dose Pharmacokinetic (PK) profile of RDEA3170 12 mg

  8. Tmax [Days -1, 1, 7 and 8]

    Single-dose Pharmacokinetic (PK) profile of RDEA3170 6 mg under fed and fasted conditions

  9. AUC [Days -1, 1, 7 and 8]

    Single-dose Pharmacokinetic (PK) profile of RDEA3170 6 mg under fed and fasted conditions

  10. Serum urate concentration [Days -1, 1, 5 and 9]

    Single-dose Pharmacodynamic (PD) profile of RDEA3170 4.5 mg, 6 mg and 12 mg

  11. Urine uric acid excretion amount [Days -1, 1, 5 and 9]

    Single-dose Pharmacodynamic (PD) profile of RDEA3170 4.5 mg, 6 mg and 12 mg

  12. Renal clearance of uric acid [Days -1, 1, 5 and 9]

    Single-dose Pharmacodynamic (PD) profile of RDEA3170 4.5 mg, 6 mg and 12 mg

  13. Fractional excretion of uric acid [Days -1, 1, 5 and 9]

    Single-dose Pharmacodynamic (PD) profile of RDEA3170 4.5 mg, 6 mg and 12 mg

  14. Serum urate concentration [Days -1, 1 and 7]

    Multiple-dose Pharmacodynamic (PD) profile of RDEA3170 12 mg

  15. Urine uric acid excretion amount [Days -1, 1 and 7]

    Multiple-dose Pharmacodynamic (PD) profile of RDEA3170 12 mg

  16. Renal clearance of uric acid [Days -1, 1 and 7]

    Multiple-dose Pharmacodynamic (PD) profile of RDEA3170 12 mg

  17. Fractional excretion of uric acid [Days -1, 1 and 7]

    Multiple-dose Pharmacodynamic (PD) profile of RDEA3170 12 mg

  18. Serum urate concentration [Days -1, 1, 7 and 8]

    Single-dose Pharmacodynamic (PD) profile of RDEA3170 6 mg under fed and fasted conditions

  19. Urine uric acid excretion amount [Days -1, 1, 7 and 8]

    Single-dose Pharmacodynamic (PD) profile of RDEA3170 6 mg under fed and fasted conditions

  20. Renal Clearance of Uric Acid [Days -1, 1, 7 and 8]

    Single-dose Pharmacodynamic (PD) profile of RDEA3170 6 mg under fed and fasted conditions

  21. Fractional excretion of uric acid [Days -1, 1, 7 and 8]

    Single-dose Pharmacodynamic (PD) profile of RDEA3170 6 mg under fed and fasted conditions

Secondary Outcome Measures

  1. Incidence of Adverse Events in terms of changes in laboratory parameters [6 weeks]

  2. Incidence of Adverse Events in terms of electrocardiogram parameters [6 weeks]

  3. Incidence of Adverse Events in terms of vital signs [6 weeks]

  4. Incidence of Adverse Events in terms of physical examination findings [6 weeks]

  5. Apparent terminal half-life (t1/2) [Days -1, 1, 5 and 9]

    Single-dose Pharmacokinetic (PK) profile of RDEA3170 4.5 mg, 6 mg and 12 mg from plasma and urine

  6. t1/2 [Days -1, 1, 7 and 8]

    Single-dose Pharmacokinetic (PK) profile of RDEA3170 6 mg under fed and fasted conditions

  7. t1/2 [Days -1, 1 and 7]

    Multiple-dose Pharmacokinetic (PK) profile of RDEA3170 12 mg from plasma and urine

Eligibility Criteria

Criteria

Ages Eligible for Study:
18 Years to 65 Years
Sexes Eligible for Study:
Male
Accepts Healthy Volunteers:
Yes
Inclusion Criteria:
  • Subject has a body weight ≥ 50 kg (110 lbs.) and a body mass index ≥ 18 and ≤ 40 kg/m2.

  • Subject has a Screening serum urate level 4 to 7 mg/dL

  • Subject is free of any clinically significant disease or medical condition, per the Investigator's judgment.

Exclusion Criteria:
  • Subject has a history or suspicion of kidney stones.

  • Subject has undergone major surgery within 3 months prior to Screening.

  • Subject donated blood or experienced significant blood loss within 12 weeks prior to Day 1 or gave a plasma donation within 4 weeks prior to Day 1.

  • Subject has clinically unacceptable physical examination, per the Investigator's judgment.

  • Subject has clinically relevant abnormalities in blood pressure, heart rate, or body temperature, per the Investigator's judgment.

  • Subject has Screening clinical safety laboratory parameters (serum chemistry [other than serum creatinine and serum urate], hematology, coagulation or urinalysis) that are outside the normal limits and are considered clinically significant by the Investigator.

  • Subject has a serum creatinine value above the upper limit of normal at the Screening visit.

  • Subject has clinically relevant abnormalities in 12-lead electrocardiogram, per the Investigator's judgment.

  • Subject has a history of cardiac abnormalities

  • Subject has received any strong or moderate enzyme-inducing drug or product within 2 months prior to Day 1.

Contacts and Locations

Locations

Site City State Country Postal Code
1 Austin Texas United States 78744

Sponsors and Collaborators

  • Ardea Biosciences, Inc.

Investigators

  • Study Director: J. Hall, MD, Ardea Biosciences, Inc.

Study Documents (Full-Text)

None provided.

More Information

Publications

None provided.
Responsible Party:
Ardea Biosciences, Inc.
ClinicalTrials.gov Identifier:
NCT02608710
Other Study ID Numbers:
  • RDEA3170-112
First Posted:
Nov 20, 2015
Last Update Posted:
Sep 2, 2016
Last Verified:
Aug 1, 2016
Additional relevant MeSH terms:

Study Results

No Results Posted as of Sep 2, 2016