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Healthy VolunteerPhase 1NCT02534207

Basmisanil Positron Emission Tomography Study in Japanese Volunteers

A Phase 1 study testing Basmisanil in people with Healthy Volunteer, run by Hoffmann-La Roche at 4 sites in United Kingdom.

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

This study will evaluate the relationship between basmisanil plasma concentrations and the occupancy of Gamma-Amino Butyric Acid A (GABAA) receptor subtypes containing an alpha5 (α5) subunit in healthy Japanese volunteers. Each participant will have two post-screening imaging sessions. Read more about this study

Who is it for?
Ages 20 to 45 yearsHealthy volunteers can take part
Conditions the study is for
Healthy Volunteer
What is being tested?
Basmisanil
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
6 participants
Where
4 sitesUnited Kingdom
Study dates
Aug 2015to Nov 2015
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 20 to 45 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Male or female Japanese healthy volunteer, who was born in Japan, has 4 ethnically Japanese grandparents and has lived outside Japan for no longer than 5 years
  • A body mass index (BMI, Quetelet index) in the range 18.0 to 32.0 kilograms per square meter (kg/m^2)
  • Willingness and ability to comply with study restrictions

Who cannot join

  • A history of epilepsy, convulsions or significant head injury, or other structural brain abnormality
  • Pregnant or lactating or not using acceptable contraception
  • Presence or history of severe adverse reaction to any drug or a history of sensitivity to basmisanil or the PET radioligand (RO15-4513)
  • Significant exposure to radiation within the previous 12 months
  • Any other clinically relevant abnormalities, concomitant diseases or ongoing medical conditions

Trial locations and contacts

4 sites in 1 country.

United Kingdom4 sites
  • Hammersmith Medicines Research; Central Middlesex Hospital

    London, NW10 7EW

  • Study site

    London, NW10 7EW

  • Imanova Limited

    London, W12 0NN

  • Study site

    London, W12 0NN

Other trials in United Kingdom

About this study

Official title: A Single-Centre, Non-Randomised, Open Label, Positron Emission Tomography Imaging Study to Assess Occupancy of α5-Containing GABAA Receptors by RO5186582 in Healthy Volunteers of Japanese Origin

This study will evaluate the relationship between basmisanil plasma concentrations and the occupancy of Gamma-Amino Butyric Acid A (GABAA) receptor subtypes containing an alpha5 (α5) subunit in healthy Japanese volunteers. Each participant will have two post-screening imaging sessions. In the first imaging session, participants will have a baseline Positron Emission Tomography (PET) scan. In the second imaging session, participants will receive a single oral dose of basmisanil, followed by two on-treatment PET scans at about 4 and 10 hours post-dose.

Being tested
Basmisanil

What participants receive

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

  • BasmisanilDrug

    Also called RO5186582, RG1662

    Single oral dose: Basmisanil doses between 20 milligrams (mg) and 960 mg may be used in this study. The planned doses for the first two participants are 160 mg and 480 mg, respectively. Basmisanil dose for subsequent participants will be decided by the investigator and sponsor during the study, based on on-going review of emerging data.

Study groups in NCT02534207
Study groupRoleWhat they receive
Basmisanil in Japanese Healthy VolunteersExperimentalJapanese healthy volunteers will receive a single oral dose of RO5186582 within 15 minutes after completing a standard meal.
Receives: Drug: Basmisanil

What is being measured

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

  1. Percentage of Brain α5 Subunit-Containing GABAA Receptors Occupied by Basmisanil (Receptor Occupancy) Following a Single Dose of Basmisanil in Selected Regions of Interest (ROIs) Assessed by PET Imaging

    Measured: Day 1

  2. Correlation Between Basmisanil Plasma Concentration and Occupancy of Brain α5 Subunit-Containing GABAA Receptors

    Measured: Day 1

Secondary outcomes (2)
  1. Brain GABAA Receptor α5 Subunit Levels in Selected ROIs Assessed by PET Imaging

    Measured: Day 1

  2. Percentage of Participants With Adverse Events

    Measured: From Baseline up to 7-14 days

Timeline

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

  1. First posted27 Aug 2015 (estimated)
  2. Study startAug 2015
  3. Primary completionOct 2015
  4. Study completionNov 2015

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
Primary purpose
Basic science
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
6 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02534207
Sponsor's protocol ID
BP29784
Other IDs
2015-001621-16, 2015
Status last verified
Jan 2017
First submitted
21 Aug 2015
Last updated
26 Jan 2017
Results posted
No

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing Basmisanil in people with Healthy Volunteer, run by Hoffmann-La Roche at 4 sites in United Kingdom.

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 3 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 26 Jan 2017. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 4 sites in United Kingdom. Whether a site is taking part right now should be confirmed with that site. See every site.

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?

Percentage of Brain α5 Subunit-Containing GABAA Receptors Occupied by Basmisanil (Receptor Occupancy) Following a Single Dose of Basmisanil in Selected Regions of Interest (ROIs) Assessed by PET Imaging (time frame: Day 1). The study lists 2 primary outcomes in all. 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 26 Jan 2017.

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