NCT01923025

Brief Summary

This single center, open-label study will evaluate the PK-PDE10A Enzyme Occupancy Relationship of RO5545965 after a single dose in healthy male volunteers by positron emission tomography (PET).

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
9

participants targeted

Target at below P25 for phase_1 schizophrenia

Timeline
Completed

Started Aug 2013

Shorter than P25 for phase_1 schizophrenia

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

August 1, 2013

Completed
7 days until next milestone

First Submitted

Initial submission to the registry

August 8, 2013

Completed
6 days until next milestone

First Posted

Study publicly available on registry

August 14, 2013

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2013

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2013

Completed
Last Updated

November 2, 2016

Status Verified

November 1, 2016

Enrollment Period

3 months

First QC Date

August 8, 2013

Last Update Submit

November 1, 2016

Conditions

Outcome Measures

Primary Outcomes (2)

  • Pharmacodynamics: Brain PDE10 occupancy by RO5545965

    up to Day 2

  • PK/PD: Brain PDE10 inhibition in relationship to RO5545965 plasma concentrations

    up to Day 2

Secondary Outcomes (2)

  • Safety: Incidence of adverse events

    up to 12 days

  • Pharmacokinetics: Plasma concentrations of RO5545965

    up to Day 5

Study Arms (1)

RO5545965

EXPERIMENTAL
Drug: RO5545965

Interventions

Single dose

RO5545965

Eligibility Criteria

Age25 Years - 50 Years
Sexmale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Healthy male subjects, 25 to 50 years of age, inclusive; healthy status is defined by absence of evidence of any active or chronic disease
  • Body mass index (BMI) 18 to 30 kg/m2 inclusive
  • Male subjects with female partners of child-bearing potential must use two methods of contraception, one of which must be a barrier method (i.e. condom), for the duration of the study and for 30 days after the last dose

You may not qualify if:

  • History of any clinically significant gastrointestinal, renal, hepatic, broncho-pulmonary, neurological, psychiatric, cardio-vascular, endocrinological, haematological or allergic disease, metabolic disorder, cancer or cirrhosis
  • History of clinically significant hypersensitivity or allergic drug reactions
  • Any suspicion or history of alcohol abuse and/or consumption of other drugs of abuse
  • Regular smoker (\> 5 cigarettes, \> 1 pipeful or \> 1 cigar per day)
  • Positive for hepatitis B, hepatitis C, or HIV infection
  • Evidence of significant cardiovascular disease or disorder
  • Participation in an investigational drug or device study within 3 months prior to first administration of the study drug or within 6 times the elimination half-life, whichever is longer
  • Subject has any condition that would prevent an MRI from accurately or safely being performed \[eg, claustrophobia, cardiac pacemaker, metallic implants or clips\]
  • Subject unable to lie on his back in the PET or MRI scanner for a period of 90 minutes
  • Contraindication for arterial cannulation
  • Unsuitable veins for repeated venipuncture

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Unknown Facility

London, NW10 7EW, United Kingdom

Location

MeSH Terms

Conditions

Schizophrenia

Condition Hierarchy (Ancestors)

Schizophrenia Spectrum and Other Psychotic DisordersMental Disorders

Study Officials

  • Clinical Trials

    Hoffmann-La Roche

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
NA
Masking
NONE
Intervention Model
SINGLE GROUP
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 8, 2013

First Posted

August 14, 2013

Study Start

August 1, 2013

Primary Completion

November 1, 2013

Study Completion

November 1, 2013

Last Updated

November 2, 2016

Record last verified: 2016-11

Locations