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Phase 2a RDEA3170 and Allopurinol Combination Study in Gout Subjects

Primary Purpose

Gout

Status
Completed
Phase
Phase 2
Locations
United States
Study Type
Interventional
Intervention
RDEA3170 2.5 mg
allopurinol 300 mg
Sponsored by
Ardea Biosciences, Inc.
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Gout

Eligibility Criteria

18 Years - 75 Years (Adult, Older Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria:

  • Subject is able to understand the study procedures and the risks involved and is willing to provide written informed consent before the first study-related activity.
  • Subject meets one or more criteria for the diagnosis of gout as per the American Rheumatism Association Criteria for the Classification of Acute Arthritis of Primary Gout.
  • Subject has a body weight ≥ 50 kg (110 lbs.) and a body mass index ≥ 18 and ≤ 45 kg/m2.
  • Subject has a Screening serum urate level ≥ 8 mg/dL.
  • Subject is free of any clinically significant disease or medical condition, per the Investigator's judgment.

Exclusion Criteria:

  • Subject is unable to take colchicine for gout flare prophylaxis.
  • Subject has a history or suspicion of kidney stones.
  • Subject has any gastrointestinal disorder that affects motility and/or absorption.
  • Subject had unstable angina, New York Heart Association class III or IV heart failure, ischemic heart disease, stroke, or deep venous thrombosis within 12 months prior to Day 1; or subject is currently receiving anticoagulants.
  • Subject has Screening laboratory parameters that are outside the normal limits and are considered clinically significant by the Investigator.
  • Subject has an estimated creatinine clearance < 60 mL/min calculated by the Cockcroft-Gault formula using ideal body weight during the Screening period.
  • Subject is taking losartan, fenofibrate, guaifenesin, or sodium-glucose linked transporter-2 inhibitors; chronic and stable doses are permitted if doses are stable for at least 14 days prior to study medication dosing.
  • Subject is unable or unwilling to comply with the study requirements or has a situation or condition that, in the opinion of the Investigator, may interfere with participation in the study.

Sites / Locations

Arms of the Study

Arm 1

Arm 2

Arm Type

Experimental

Experimental

Arm Label

RDEA3170 2.5 mg, 7.5 mg and 15 mg

RDEA3170 5 mg, 10 mg and 20 mg

Arm Description

RDEA3170 2.5 mg, 7.5 mg and 15 mg once daily (qd) in combination with allopurinol 300 mg (qd and twice daily (bid))

RDEA3170 5 mg, 10 mg 20 mg qd in combination with allopurinol 300 mg (qd and bid)

Outcomes

Primary Outcome Measures

Cohort 1 - Maximum Percentage (%) Change in Serum Urate of Multiple-dose RDEA3170 Administered in Combination With Allopurinol (Emax, CB (%))
Pharmacodynamics (PD) profile of multiple-dose RDEA3170 administered in combination with allopurinol (Cohort 1)
Cohort 1 - Concentration of Serum Urate at 24hr of Multiple-dose RDEA3170 Administered in Combination With Allopurinol.
Pharmacodynamics (PD) profile of multiple-dose RDEA3170 administered in combination with allopurinol (Cohort 1)
Cohort 1 - Renal Xanthine Excretion at 0-24hr of Multiple-dose RDEA3170 Administered in Combination With Allopurinol (AeXO, CB (%))
Pharmacodynamics (PD) profile of multiple-dose RDEA3170 administered in combination with allopurinol (Cohort 1)
Cohort 1 - Renal Hypoxanthine Excretion at 0-24hr of Multiple-dose RDEA3170 Administered in Combination With Allopurinol (AeHXO, CB (%))
Pharmacodynamics (PD) profile of multiple-dose RDEA3170 administered in combination with allopurinol (Cohort 1)
Cohort 2 - Maximum Percentage (%) Change in Serum Urate of Multiple-dose RDEA3170 Administered in Combination With Allopurinol (Emax, CB (%))
Pharmacodynamics (PD) profile of multiple-dose RDEA3170 administered in combination with allopurinol (Cohort 2)
Cohort 2 - Concentration of Serum Urate at 24hr of Multiple-dose RDEA3170 Administered in Combination With Allopurinol.
Pharmacodynamics (PD) profile of multiple-dose RDEA3170 administered in combination with allopurinol (Cohort 2)
Cohort 2 - Renal Xanthine Excretion at 0-24hr of Multiple-dose RDEA3170 Administered in Combination With Allopurinol (AeXO, CB (%))
Pharmacodynamics (PD) profile of multiple-dose RDEA3170 administered in combination with allopurinol (Cohort 2)
Cohort 2 - Renal Hypoxanthine Excretion at 0-24hr of Multiple-dose RDEA3170 Administered in Combination With Allopurinol (AeHXO, CB (%))
Pharmacodynamics (PD) profile of multiple-dose RDEA3170 administered in combination with allopurinol (Cohort 2)

Secondary Outcome Measures

Maximum Observed Concentration (Cmax)
Cmax of Allopurinol alone or in combination with RDEA3170
Time of Occurrence of Maximum Observed Concentration (Tmax)
Tmax of Allopurinol alone or in combination with RDEA3170
Area Under the Concentration-time Curve From Time Zero up to 24 Hours Postdose (AUC 0-24)
AUC 0-24 of Allopurinol alone or in combination with RDEA3170
Area Under the Concentration-time Curve From Time Zero to the Last Quantifiable Sampling Timepoint (AUC Last)
AUC last of Allopurinol alone or in combination with RDEA3170
Apparent Terminal Half-life (t1/2)
t1/2 of Allopurinol alone or in combination with RDEA3170
Number of Participants With Treatment-Emergent Adverse Events

Full Information

First Posted
July 13, 2015
Last Updated
December 20, 2017
Sponsor
Ardea Biosciences, Inc.
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1. Study Identification

Unique Protocol Identification Number
NCT02498652
Brief Title
Phase 2a RDEA3170 and Allopurinol Combination Study in Gout Subjects
Official Title
A Phase 2a, Randomized, Open-Label Study to Evaluate the Pharmacodynamic Effects and Safety of RDEA3170 Administered in Combination With Allopurinol Compared With Allopurinol Administered Alone in Adult Subjects With Gout
Study Type
Interventional

2. Study Status

Record Verification Date
December 2017
Overall Recruitment Status
Completed
Study Start Date
July 28, 2015 (Actual)
Primary Completion Date
November 19, 2015 (Actual)
Study Completion Date
June 2, 2016 (Actual)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Ardea Biosciences, Inc.

4. Oversight

Data Monitoring Committee
Yes

5. Study Description

Brief Summary
This is a Phase 2a, randomized, open-label, multicenter study to assess the pharmacodynamic (PD) effects of RDEA3170 administered in combination with allopurinol compared with allopurinol administered alone in adult subjects with gout.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Gout

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 2
Interventional Study Model
Parallel Assignment
Masking
None (Open Label)
Allocation
Randomized
Enrollment
41 (Actual)

8. Arms, Groups, and Interventions

Arm Title
RDEA3170 2.5 mg, 7.5 mg and 15 mg
Arm Type
Experimental
Arm Description
RDEA3170 2.5 mg, 7.5 mg and 15 mg once daily (qd) in combination with allopurinol 300 mg (qd and twice daily (bid))
Arm Title
RDEA3170 5 mg, 10 mg and 20 mg
Arm Type
Experimental
Arm Description
RDEA3170 5 mg, 10 mg 20 mg qd in combination with allopurinol 300 mg (qd and bid)
Intervention Type
Drug
Intervention Name(s)
RDEA3170 2.5 mg
Intervention Description
Cohort 1: RDEA3170 2.5 mg, 7.5 mg (2.5 mg × 3 tablets), and 15 mg (2.5 mg × 6 tablets). Cohort 2: RDEA3170 5 mg (2.5 mg × 2 tablets), 10 mg (2.5 mg × 4 tablets), and 20 mg (2.5 mg × 8 tablets).
Intervention Type
Drug
Intervention Name(s)
allopurinol 300 mg
Intervention Description
allopurinol 300 mg, allopurinol 600 mg (300 mg x 2 tablets)
Primary Outcome Measure Information:
Title
Cohort 1 - Maximum Percentage (%) Change in Serum Urate of Multiple-dose RDEA3170 Administered in Combination With Allopurinol (Emax, CB (%))
Description
Pharmacodynamics (PD) profile of multiple-dose RDEA3170 administered in combination with allopurinol (Cohort 1)
Time Frame
Screening, Days -1 , 1, 7, 14, 21, 28, and 35 (Pre-dose and Post-dose)
Title
Cohort 1 - Concentration of Serum Urate at 24hr of Multiple-dose RDEA3170 Administered in Combination With Allopurinol.
Description
Pharmacodynamics (PD) profile of multiple-dose RDEA3170 administered in combination with allopurinol (Cohort 1)
Time Frame
Screening, Days -1 , 1, 7, 14, 21, 28, and 35 (Pre-dose and Post-dose)
Title
Cohort 1 - Renal Xanthine Excretion at 0-24hr of Multiple-dose RDEA3170 Administered in Combination With Allopurinol (AeXO, CB (%))
Description
Pharmacodynamics (PD) profile of multiple-dose RDEA3170 administered in combination with allopurinol (Cohort 1)
Time Frame
Screening, Days -1 , 1, 7, 14, 21, 28, and 35 (Pre-dose and Post-dose)
Title
Cohort 1 - Renal Hypoxanthine Excretion at 0-24hr of Multiple-dose RDEA3170 Administered in Combination With Allopurinol (AeHXO, CB (%))
Description
Pharmacodynamics (PD) profile of multiple-dose RDEA3170 administered in combination with allopurinol (Cohort 1)
Time Frame
Screening, Days -1 , 1, 7, 14, 21, 28, and 35 (Pre-dose and Post-dose)
Title
Cohort 2 - Maximum Percentage (%) Change in Serum Urate of Multiple-dose RDEA3170 Administered in Combination With Allopurinol (Emax, CB (%))
Description
Pharmacodynamics (PD) profile of multiple-dose RDEA3170 administered in combination with allopurinol (Cohort 2)
Time Frame
Screening, Days -1 , 1, 7, 14, 21, 28, and 35 (Pre-dose and Post-dose)
Title
Cohort 2 - Concentration of Serum Urate at 24hr of Multiple-dose RDEA3170 Administered in Combination With Allopurinol.
Description
Pharmacodynamics (PD) profile of multiple-dose RDEA3170 administered in combination with allopurinol (Cohort 2)
Time Frame
Screening, Days -1 , 1, 7, 14, 21, 28, and 35 (Pre-dose and Post-dose)
Title
Cohort 2 - Renal Xanthine Excretion at 0-24hr of Multiple-dose RDEA3170 Administered in Combination With Allopurinol (AeXO, CB (%))
Description
Pharmacodynamics (PD) profile of multiple-dose RDEA3170 administered in combination with allopurinol (Cohort 2)
Time Frame
Screening, Days -1 , 1, 7, 14, 21, 28, and 35 (Pre-dose and Post-dose)
Title
Cohort 2 - Renal Hypoxanthine Excretion at 0-24hr of Multiple-dose RDEA3170 Administered in Combination With Allopurinol (AeHXO, CB (%))
Description
Pharmacodynamics (PD) profile of multiple-dose RDEA3170 administered in combination with allopurinol (Cohort 2)
Time Frame
Screening, Days -1 , 1, 7, 14, 21, 28, and 35 (Pre-dose and Post-dose)
Secondary Outcome Measure Information:
Title
Maximum Observed Concentration (Cmax)
Description
Cmax of Allopurinol alone or in combination with RDEA3170
Time Frame
Day 7, 14, 21, 28 and 35 (predose through 24 hours postdose)
Title
Time of Occurrence of Maximum Observed Concentration (Tmax)
Description
Tmax of Allopurinol alone or in combination with RDEA3170
Time Frame
Day 7, 14, 21, 28 and 35 (predose through 24 hours postdose)
Title
Area Under the Concentration-time Curve From Time Zero up to 24 Hours Postdose (AUC 0-24)
Description
AUC 0-24 of Allopurinol alone or in combination with RDEA3170
Time Frame
Day 7, 14, 21, 28 and 35 (predose through 24 hours postdose)
Title
Area Under the Concentration-time Curve From Time Zero to the Last Quantifiable Sampling Timepoint (AUC Last)
Description
AUC last of Allopurinol alone or in combination with RDEA3170
Time Frame
Day 7, 14, 21, 28 and 35 (predose through 24 hours postdose)
Title
Apparent Terminal Half-life (t1/2)
Description
t1/2 of Allopurinol alone or in combination with RDEA3170
Time Frame
Day 7, 14, 21, 28 and 35 (predose through 24 hours postdose)
Title
Number of Participants With Treatment-Emergent Adverse Events
Time Frame
11 weeks

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
75 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria: Subject is able to understand the study procedures and the risks involved and is willing to provide written informed consent before the first study-related activity. Subject meets one or more criteria for the diagnosis of gout as per the American Rheumatism Association Criteria for the Classification of Acute Arthritis of Primary Gout. Subject has a body weight ≥ 50 kg (110 lbs.) and a body mass index ≥ 18 and ≤ 45 kg/m2. Subject has a Screening serum urate level ≥ 8 mg/dL. Subject is free of any clinically significant disease or medical condition, per the Investigator's judgment. Exclusion Criteria: Subject is unable to take colchicine for gout flare prophylaxis. Subject has a history or suspicion of kidney stones. Subject has any gastrointestinal disorder that affects motility and/or absorption. Subject had unstable angina, New York Heart Association class III or IV heart failure, ischemic heart disease, stroke, or deep venous thrombosis within 12 months prior to Day 1; or subject is currently receiving anticoagulants. Subject has Screening laboratory parameters that are outside the normal limits and are considered clinically significant by the Investigator. Subject has an estimated creatinine clearance < 60 mL/min calculated by the Cockcroft-Gault formula using ideal body weight during the Screening period. Subject is taking losartan, fenofibrate, guaifenesin, or sodium-glucose linked transporter-2 inhibitors; chronic and stable doses are permitted if doses are stable for at least 14 days prior to study medication dosing. Subject is unable or unwilling to comply with the study requirements or has a situation or condition that, in the opinion of the Investigator, may interfere with participation in the study.
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Jesse Hall, MD
Organizational Affiliation
Ardea Biosciences, Inc.
Official's Role
Study Director
Facility Information:
City
Anaheim
State/Province
California
ZIP/Postal Code
92801
Country
United States
City
DeLand
State/Province
Florida
ZIP/Postal Code
32720
Country
United States
City
South Miami
State/Province
Florida
ZIP/Postal Code
33143
Country
United States
City
Dallas
State/Province
Texas
ZIP/Postal Code
75231
Country
United States

12. IPD Sharing Statement

Citations:
PubMed Identifier
29531784
Citation
Fleischmann R, Winkle P, Miner JN, Yan X, Hicks L, Valdez S, Hall J, Liu S, Shen Z, Gillen M, Hernandez-Illas M. Pharmacodynamic and pharmacokinetic effects and safety of verinurad in combination with allopurinol in adults with gout: a phase IIa, open-label study. RMD Open. 2018 Feb 8;4(1):e000584. doi: 10.1136/rmdopen-2017-000584. eCollection 2018.
Results Reference
derived

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Phase 2a RDEA3170 and Allopurinol Combination Study in Gout Subjects

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