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Healthy VolunteersPhase 1NCT01362764

A Study to Assess the Relative Bioavailability of Two Abiraterone Acetate Suspension Formulations Compared to the Abiraterone Acetate Tablet Formulation in Healthy Adult Volunteers

A Phase 1 study testing Abiraterone acetate suspension Formulation 1, Abiraterone acetate suspension Formulation 2 and Abiraterone acetate tablets in people with Healthy Volunteers, run by Cougar Biotechnology, Inc..

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to compare the single-dose pharmacokinetics (how the drug is absorbed in the body, distributed within the body, and how it is removed from the body) of the solution formulation to the tablet formulation; therefore the lowest dose available in the tablet formulation (250 mg) was selected. Read more about this study

Who is it for?
Ages 18 to 55 years, men onlyHealthy volunteers can take part
Conditions the study is for
Healthy Volunteers
What is being tested?
Abiraterone acetate suspension Formulation 1, Abiraterone acetate suspension Formulation 2 and Abiraterone acetate tablets
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
30 participants
Where
No sites listed yet
Study dates
May 2011to Jun 2011
Phase
Phase 1
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 55 years
  • Men only
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Having signed an informed consent document
  • Agreeing to use an adequate contraception method, as deemed appropriate by the investigator (e.g., vasectomy, double-barrier, partner using effective contraception) and to not donate sperm during the study and for 3 months after receiving the last dose of study drug
  • Body mass index (weight [kg]/height2 [m]2) between 18 and 30 kg/m2 (inclusive), and body weight not less than 50 kg
  • Blood pressure (after the volunteer is sitting for 5 minutes) between 90 and 140 mm Hg systolic, inclusive, and no higher than 90 mm Hg diastolic during screening Days -21 to Day -1
  • Having a 12-lead electrocardiogram (ECG) consistent with normal cardiac conduction and function
  • Morphology consistent with healthy cardiac conduction and function

Who cannot join

  • History of or current clinically significant medical illness including (but not limited to) cardiac arrhythmias or other cardiac disease, hematologic disease, coagulation disorders (including any abnormal bleeding or blood dyscrasias), lipid abnormalities, significant pulmonary disease, including bronchospastic respiratory disease, diabetes mellitus, renal or hepatic insufficiency, thyroid disease, neurologic or psychiatric disease, infection, or any other illness that the investigator considers should exclude the volunteer or that could interfere with the interpretation of the study results
  • Clinically significant abnormal values for hematology, clinical chemistry or urinalysis at screening or at admission to the study center as deemed appropriate by the investigator
  • Clinically significant abnormal physical examination, vital signs or 12-lead ECG at screening or at admission to the study center as deemed appropriate by the investigator
  • Use of any prescription or nonprescription medication (including vitamins and herbal supplements), except for acetaminophen, within 14 days before the first dose of the study drug is scheduled
  • History of, or a reason to believe a volunteer has a history of drug or alcohol abuse within the past 2 years

About this study

Official title: A Single-Dose, Open-Label, Randomized, Crossover Study to Assess the Relative Bioavailability of Two Abiraterone Acetate Suspension Formulations Compared to the Abiraterone Acetate Tablet Formulation Under Fasted Condition in Healthy Adult Subjects

The purpose of this study is to compare the single-dose pharmacokinetics (how the drug is absorbed in the body, distributed within the body, and how it is removed from the body) of the solution formulation to the tablet formulation; therefore the lowest dose available in the tablet formulation (250 mg) was selected.

Read the detailed description

This is an open-label (volunteer and study staff will know the identity of the assigned treatment) study of two abiraterone acetate suspension formulations, compared to the abiraterone acetate tablet formulation in healthy volunteers. Approximately 30 healthy volunteers will participate in this study. Each volunteer will be randomly assigned to 1 of 6 possible treatment sequences. The study consists of a screening phase (within 21 days before the first study drug administration of the first period); an open-label treatment phase consisting of 3 single dose treatment periods; and end-of-study or withdrawal assessments done upon completion of the 72-hour (Day 4 of Period 3, or upon withdrawal) sampling to evaluate how the drug is absorbed in the body, distributed within the body, and how it is removed from the body over time. A 7- to 14-day washout period will separate the study drug administrations. The duration of participation in the study for an individual healthy volunteer will be from 41 days to a maximum of 55 days (including screening). Safety will be monitored. Volunteers will receive a 250 mg dose of abiraterone acetate as a tablet, suspension Formulation 1, and suspension Formulation 2 according to their treatment sequence. Abiraterone acetate tablets must be swallowed whole and not chewed, divided, dissolved or crushed and will be taken with 240 mL of noncarbonated water. For the suspensions, the volunteer will drink the contents of the vial. The vial will be rinsed with 10 mL of water, and the volunteer will be asked to drink the rinse water.

Being tested
Abiraterone acetate suspension Formulation 1, Abiraterone acetate suspension Formulation 2, Abiraterone acetate tablets
Keywords
Abiraterone Acetate, ZYTIGA

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Abiraterone acetate suspension Formulation 1Drug

    Type=exact, unit=mg/mL, number=25, form=oral suspension, route=oral use, as a single dose of 10 mL

  • Abiraterone acetate suspension Formulation 2Drug

    Type=exact, unit=mg/mL, number=25, form=oral suspension, route=oral use, as a single dose of 10 mL

  • Abiraterone acetate tabletsDrug

    Type=exact, unit=mg, number= 250, form=tablet, route=oral use, as a single dose

Study groups in NCT01362764
Study groupRoleWhat they receive
001OtherAbiraterone acetate tablets Type=exact unit=mg number= 250 form=tablet route=oral use as a single dose
Receives: Drug: Abiraterone acetate tablets
002OtherAbiraterone acetate suspension Formulation 1 Type=exact unit=mg/mL number=25 form=oral suspension route=oral use as a single dose of 10 mL
Receives: Drug: Abiraterone acetate suspension Formulation 1
003OtherAbiraterone acetate suspension Formulation 2 Type=exact unit=mg/mL number=25 form=oral suspension route=oral use as a single dose of 10 mL
Receives: Drug: Abiraterone acetate suspension Formulation 2

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Levels of study drug

    Measured: Up to 55 days

Secondary outcomes (5)
  1. Vital signs evaluations

    Measured: Up to 55 days

  2. Adverse events

    Measured: Up to 55 days

  3. Clinical laboratory findings, based on blood and urine tests

    Measured: Up to 55 days

  4. Physical examination evaluations

    Measured: Up to 55 days

  5. Electrocardiogram changes

    Measured: Up to 55 days

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted30 May 2011 (estimated)
  2. Study startMay 2011
  3. Primary completionJun 2011
  4. Study completionJun 2011

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Allocation
Randomised
Intervention model
Crossover
Masking
None (open label)
Enrolment
30 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01362764
Sponsor's protocol ID
CR018067
Other IDs
212082HPL1001
Status last verified
Nov 2012
First submitted
27 May 2011
Last updated
27 Nov 2012
Results posted
No
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing Abiraterone acetate suspension Formulation 1, Abiraterone acetate suspension Formulation 2 and Abiraterone acetate tablets in people with Healthy Volunteers, run by Cougar Biotechnology, Inc..

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 6 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 27 Nov 2012. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Levels of study drug (time frame: Up to 55 days). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 27 Nov 2012.

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