RDEA3170 PK/PD Study

August 31, 2016 updated by: Ardea Biosciences, Inc.

A Phase 1, Randomized, Open-Label Study in Healthy Adult Male Subjects to Assess the Pharmacokinetics and Pharmacodynamics of RDEA3170

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

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Anticipated)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
40

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years to 65 years (Adult, Older Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

Male

Description

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.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Basic Science
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
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

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Maximum observed concentration (Cmax)
Time Frame: Days -1, 1, 5 and 9
Single-dose Pharmacokinetic (PK) profile of RDEA3170 4.5 mg, 6 mg and 12 mg
Days -1, 1, 5 and 9
Cmax
Time Frame: Days -1, 1 and 7
Multiple-dose Pharmacokinetic (PK) profile of RDEA3170 12 mg
Days -1, 1 and 7
Cmax
Time Frame: Days -1, 1, 7 and 8
Single-dose Pharmacokinetic (PK) profile of RDEA3170 6 mg under fed and fasted conditions
Days -1, 1, 7 and 8
Time of Occurrence of maximum observed concentration (Tmax)
Time Frame: Days -1, 1, 5 and 9
Single-dose Pharmacokinetic (PK) profile of RDEA3170 4.5 mg, 6 mg and 12 mg
Days -1, 1, 5 and 9
Area under the plasma concentration time curve (AUC)
Time Frame: Days -1, 1, 5 and 9
Single-dose Pharmacokinetic (PK) profile of RDEA3170 4.5 mg, 6 mg and 12 mg
Days -1, 1, 5 and 9
Tmax
Time Frame: Days -1, 1 and 7
Multiple-dose Pharmacokinetic (PK) profile of RDEA3170 12 mg
Days -1, 1 and 7
AUC
Time Frame: Days -1, 1 and 7
Multiple-dose Pharmacokinetic (PK) profile of RDEA3170 12 mg
Days -1, 1 and 7
Tmax
Time Frame: Days -1, 1, 7 and 8
Single-dose Pharmacokinetic (PK) profile of RDEA3170 6 mg under fed and fasted conditions
Days -1, 1, 7 and 8
AUC
Time Frame: Days -1, 1, 7 and 8
Single-dose Pharmacokinetic (PK) profile of RDEA3170 6 mg under fed and fasted conditions
Days -1, 1, 7 and 8
Serum urate concentration
Time Frame: Days -1, 1, 5 and 9
Single-dose Pharmacodynamic (PD) profile of RDEA3170 4.5 mg, 6 mg and 12 mg
Days -1, 1, 5 and 9
Urine uric acid excretion amount
Time Frame: Days -1, 1, 5 and 9
Single-dose Pharmacodynamic (PD) profile of RDEA3170 4.5 mg, 6 mg and 12 mg
Days -1, 1, 5 and 9
Renal clearance of uric acid
Time Frame: Days -1, 1, 5 and 9
Single-dose Pharmacodynamic (PD) profile of RDEA3170 4.5 mg, 6 mg and 12 mg
Days -1, 1, 5 and 9
Fractional excretion of uric acid
Time Frame: Days -1, 1, 5 and 9
Single-dose Pharmacodynamic (PD) profile of RDEA3170 4.5 mg, 6 mg and 12 mg
Days -1, 1, 5 and 9
Serum urate concentration
Time Frame: Days -1, 1 and 7
Multiple-dose Pharmacodynamic (PD) profile of RDEA3170 12 mg
Days -1, 1 and 7
Urine uric acid excretion amount
Time Frame: Days -1, 1 and 7
Multiple-dose Pharmacodynamic (PD) profile of RDEA3170 12 mg
Days -1, 1 and 7
Renal clearance of uric acid
Time Frame: Days -1, 1 and 7
Multiple-dose Pharmacodynamic (PD) profile of RDEA3170 12 mg
Days -1, 1 and 7
Fractional excretion of uric acid
Time Frame: Days -1, 1 and 7
Multiple-dose Pharmacodynamic (PD) profile of RDEA3170 12 mg
Days -1, 1 and 7
Serum urate concentration
Time Frame: Days -1, 1, 7 and 8
Single-dose Pharmacodynamic (PD) profile of RDEA3170 6 mg under fed and fasted conditions
Days -1, 1, 7 and 8
Urine uric acid excretion amount
Time Frame: Days -1, 1, 7 and 8
Single-dose Pharmacodynamic (PD) profile of RDEA3170 6 mg under fed and fasted conditions
Days -1, 1, 7 and 8
Renal Clearance of Uric Acid
Time Frame: Days -1, 1, 7 and 8
Single-dose Pharmacodynamic (PD) profile of RDEA3170 6 mg under fed and fasted conditions
Days -1, 1, 7 and 8
Fractional excretion of uric acid
Time Frame: Days -1, 1, 7 and 8
Single-dose Pharmacodynamic (PD) profile of RDEA3170 6 mg under fed and fasted conditions
Days -1, 1, 7 and 8

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Incidence of Adverse Events in terms of changes in laboratory parameters
Time Frame: 6 weeks
6 weeks
Incidence of Adverse Events in terms of electrocardiogram parameters
Time Frame: 6 weeks
6 weeks
Incidence of Adverse Events in terms of vital signs
Time Frame: 6 weeks
6 weeks
Incidence of Adverse Events in terms of physical examination findings
Time Frame: 6 weeks
6 weeks
Apparent terminal half-life (t1/2)
Time Frame: 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
Days -1, 1, 5 and 9
t1/2
Time Frame: Days -1, 1, 7 and 8
Single-dose Pharmacokinetic (PK) profile of RDEA3170 6 mg under fed and fasted conditions
Days -1, 1, 7 and 8
t1/2
Time Frame: Days -1, 1 and 7
Multiple-dose Pharmacokinetic (PK) profile of RDEA3170 12 mg from plasma and urine
Days -1, 1 and 7

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Ardea Biosciences, Inc.

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Study Director: J. Hall, MD, Ardea Biosciences, Inc.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
November 1, 2015

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
December 1, 2015

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
April 1, 2016

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
November 15, 2015

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
November 17, 2015

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
November 20, 2015

Study Record Updates

Last Update Posted (Estimate)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
September 2, 2016

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
August 31, 2016

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
August 1, 2016

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • RDEA3170-112

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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