RDEA3170 Tablet and Capsule Bioavailability Study

November 17, 2017 updated by: Ardea Biosciences, Inc.

A Phase 1, Randomized, Open-Label, Study in Healthy Adult Male Subjects to Assess the Relative Bioavailability and Food Effect of Various Formulations of RDEA3170

The purpose of this study is to determine the relative bioavailability of RDEA3170 capsules compared with RDEA3170 tablets.

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 (Actual)

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.
35

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 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 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 of 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 cannot swallow multiple tablets or capsules.
  • 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: Crossover 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: Treatment A
RDEA3170, 5 mg (FN24), administered in the fasted state.
Drug: RDEA3170, 5 mg
Approximately 20 subjects will be randomized to 1 of 10 treatment sequences with single doses occurring on Days 1, 5, 9, 13, and 17.
Other Names:
  • Cohort 1
Experimental: Treatment B
RDEA3170, 5 mg (FN24), administered in the fed state (high-fat, high-calorie meal).
Drug: RDEA3170, 5 mg
Approximately 20 subjects will be randomized to 1 of 10 treatment sequences with single doses occurring on Days 1, 5, 9, 13, and 17.
Other Names:
  • Cohort 1
Experimental: Treatment C
RDEA3170, 10 mg (FN25), administered in the fasted state.
Drug: RDEA3170,10 mg
Approximately 20 subjects will be randomized to 1 of 10 treatment sequences with single doses occurring on Days 1, 5, 9, 13, and 17.
Other Names:
  • Cohort 1
Experimental: Treatment D
RDEA3170, 10 mg (FN25), administered in the fed state (high-fat, high-calorie meal).
Drug: RDEA3170,10 mg
Approximately 20 subjects will be randomized to 1 of 10 treatment sequences with single doses occurring on Days 1, 5, 9, 13, and 17.
Other Names:
  • Cohort 1
Experimental: Treatment E
RDEA3170, 2.5 mg (FN17), administered as 10 mg (4 × 2.5 mg), in the fasted state.
Drug: RDEA3170, 2.5 mg
Approximately 20 subjects will be randomized to 1 of 10 treatment sequences with single doses occurring on Days 1, 5, 9, 13, and 17.
Other Names:
  • Cohort 1
Drug: RDEA3170, 2.5 mg
Fifteen subjects were randomized to 1 of 3 treatment sequences with single doses occurring on Days 1, 5, and 9.
Other Names:
  • Cohort 3
Experimental: Treatment I
RDEA3170, 10 mg (FN26), administered in the fasted state.
Drug: RDEA3170, 10 mg
Fifteen subjects were randomized to 1 of 3 treatment sequences with single doses occurring on Days 1, 5, and 9.
Other Names:
  • Cohort 3
Experimental: Treatment J
RDEA3170, 10 mg (FN26), administered in the fed state (high-fat, high-calorie meal).
Drug: RDEA3170, 10 mg
Fifteen subjects were randomized to 1 of 3 treatment sequences with single doses occurring on Days 1, 5, and 9.
Other Names:
  • Cohort 3
Experimental: Treatment K
RDEA3170, 2.5 mg (FN17), administered as 10 mg (4 × 2.5 mg), in the fasted state.
Drug: RDEA3170, 2.5 mg
Approximately 20 subjects will be randomized to 1 of 10 treatment sequences with single doses occurring on Days 1, 5, 9, 13, and 17.
Other Names:
  • Cohort 1
Drug: RDEA3170, 2.5 mg
Fifteen subjects were randomized to 1 of 3 treatment sequences with single doses occurring on Days 1, 5, and 9.
Other Names:
  • Cohort 3

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 Plasma Concentration (Cmax)
Time Frame: Day 1, 5, 9, 13, 17
Cmax is the maximum observed concentration of a drug after administration
Day 1, 5, 9, 13, 17
Time of Occurrence of Maximum Observed Concentration (Tmax)
Time Frame: Day 1, 5, 9, 13, 17
Tmax is the time of occurrence of cmax
Day 1, 5, 9, 13, 17
Area Under the Concentration-time Curve From Time Zero to the Quantifiable Last Sampling Timepoint (AUC Last)
Time Frame: Day 1, 5, 9, 13, 17
AUC last is the area under the plasma concentration time curve from zero to the last quantifiable sampling timepoint
Day 1, 5, 9, 13, 17
Area Under the Concentration-time Curve From 0 to Infinity (AUC∞)
Time Frame: Day 1, 5, 9, 13, 17
AUC 0-∞ is a meausre of total concentration from time zero to infinity
Day 1, 5, 9, 13, 17
Apparent Terminal Half-life (t1/2)
Time Frame: Day 1, 5, 9, 13, 17
t1/2 is a measure of apparent terminal half-life
Day 1, 5, 9, 13, 17
Maximum Observed Plasma Concentration (Cmax): Effect of High Fat Meal on the PK of RDEA3170 Capsules
Time Frame: Day 1, 5, 9, 13, 17
Cmax is the maximum observed concentration of a drug after administration
Day 1, 5, 9, 13, 17
AUC Last: Effect of High Fat Meal on the PK of RDEA3170 Capsules
Time Frame: Day 1, 5, 9, 13, 17
AUC last is the area under the plasma concentration time curve from zero to the last quantifiable sampling timepoint
Day 1, 5, 9, 13, 17
AUC∞: Effect of High Fat Meal on the PK of RDEA3170 Capsules
Time Frame: Day 1, 5, 9, 13, 17
AUC 0-∞ is a meausre of total concentration from time zero to infinity
Day 1, 5, 9, 13, 17

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
Pharmacodynamics (PD) Profile of RDEA3170
Time Frame: Day -1, 1, 5, 9, 13, 17
Serum samples were collected at the following timepoints in relation to RDEA3170 dosing: Day 1 (Cohort 1 and Cohort 3): -24, -23, -22, -21, -20, -18, -16, -14, and -12 hours prior to dosing. Days 1, 5, and 9 (Cohort 1 and Cohort 3), and Days 13 and 17 (Cohort 1 only): predose (within 30 minutes prior to dosing) and 1, 2, 3, 4, 6, 8, 10, 12, and 24 hours postdose. Urine samples (total catch) were collected at the following timepoints in relation to RDEA3170 dosing: Day 1 (Cohort 1 and Cohort 3): -24 to -21, -21 to -18, -18 to -12, and -12 to 0 hours predose. Days 1, 5, and 9 (Cohort 1 and Cohort 3), and Days 13 and 17 (Cohort 1 only): 0 to 3, 3 to 6, 6 to 12, and 12 to 24 hours postdose.
Day -1, 1, 5, 9, 13, 17
Incidence of Treatment-Emergent Adverse Events
Time Frame: 8 weeks
8 weeks

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 (Actual)

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.
May 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.
June 26, 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.
January 29, 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).
April 30, 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.
May 15, 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.
May 19, 2015

Study Record Updates

Last Update Posted (Actual)

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.
August 20, 2018

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.
November 17, 2017

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.
November 1, 2017

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.
  • RDEA3170-111

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

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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