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Huntington's DiseaseEarly Phase 1PEARL-HDNCT02061722

[PETDE10] Imaging of PDE10A Enzyme Levels in Huntington's Disease Gene Expansion Carriers and Healthy Controls With PET.

A Early Phase 1 study testing PET Imaging with [18F]MNI-659 in people with Huntington's Disease, run by CHDI Foundation, Inc. at 8 sites in 4 countries.

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 aim of this study is to measure the availability of the PDE10A enzyme in Huntington disease gene expansion carriers (HDGECs) using the recently developed radioligand [18F]MNI-659. Read more about this study

Who is it for?
Ages 18 to 70 yearsHealthy volunteers can take part
Conditions the study is for
Huntington's Disease
What is being tested?
PET Imaging with [18F]MNI-659
Could I receive a placebo?
No, everyone receives an active treatment
How many people
90 participants
Where
8 sitesin 4 countries
Study dates
Jan 2013to May 2016
Phase
Early 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 70 years
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Capacity to give full informed consent in writing, and have read and signed the informed consent
  • Age 18 to 70 years, inclusive
  • HCs: Healthy according to medical history, physical examination, ECG, vital signs, laboratory assessment and MRI, with a body mass index between 19 and 27 (both inclusive)
  • HDGECs: Otherwise healthy according to medical history, no co-morbidity of psychotic disorders, physical examination, vital signs and laboratory assessments
  • HDGECs:
  • HD Stage 1 or HD Stage 2: Patients with a clinical diagnosis of HD, defined by the presence of noticeable motor disorder and 40 CAG repeats (HD stage 1: Total Functional Capacity (TFC) 11-13, HD stage 2: TFC 7-10); (B) Pre-manifest: Subjects that are carriers of the mutant Huntingtin gene with ≥40 CAG repeats, a disease burden score ≥ 275 (calculated by the equation ((CAGn-35.5) X age)), and a Total Motor Score (TMS) ≤ 5.
  • Able and willing to travel to Stockholm
  • Willing to comply with use of adequate contraceptive measures:

Who cannot join

  • Any disease, condition or concomitant medications that significantly compromises the function of the body systems and that, in the opinion of the Investigator might interfere with the conduct of the study or the interpretation
  • Regular use of any medication prohibited by this protocol with the exception for Viagra, Levitra and Cialis, which may be temporarily discontinued prior to the PET measurements
  • HDGECs: History of other neurological condition (including brain surgery, intracranial haematoma, stroke/cerebrovascular disorders, epilepsy), co-morbidity of psychotic disorders
  • HCs: Anamnesis/medical history of neurological conditions (Alzheimer´s disease, dementia, Parkinson´s disease, brain surgery, intracranial haematoma, stroke/cerebrovascular disorders, epilepsy) or psychiatric conditions schizophrenia, depression, bipolar disorder, attention-deficit hyperactivity disorder)
  • HCs: Family history of HD
  • History of or current alcohol or drug abuse or dependence
Show all 16Show fewer
  • History of anaphylactoid or anaphylactic reactions to any allergen including drugs and contrast media
  • Haematological or biochemical parameters that are outside the normal range and are considered clinically significant by the Investigator
  • Clinical relevant findings in the 12-lead ECG as determined by the evaluating physician
  • Donation of blood (450 mL) within three months prior to Visit 3
  • Contraindication to MRI, such as known claustrophobia, presence of metal devises or implants (e.g. pacemaker, vascular- or heart- valves, stents, clips), metal deposited in the body (e.g. bullets or shells), or metal grains in the eyes
  • Participating in a clinical trial within the past 3 months
  • HCs: previous participation in another PET study
  • Positive viral test result for Hepatitis B or C or HIV 1 or 2
  • Female subjects: breast-feeding or positive pregnancy test at screening or at Visit 3
  • Contraindication for arterial cannulation (by assessment of Allen's test)

Trial locations and contacts

8 sites in 4 countries.

8 sites in 4 countries

Sweden5 sites
  • Skane Universitetssjukhus Lund, Neurologiska kliniken

    Lund, SE-221 85

  • Karolinska Universitetssjukhus, Huddinge

    Stockholm, SE-141 86

  • Karolinska University Hospital

    Stockholm, SE-171 76

  • KTA Karolinska Trial Alliance

    Stockholm, SE-171 76

  • Neurologkliniken Akademiska sjukhuset, ing 85

    Uppsala, SE-751 85

Other trials in Sweden

Denmark1 site
  • The Memory Clinic, Rigshopitalet

    Copenhagen

Other trials in Denmark

Netherlands1 site
  • Leiden University Medical Center, Department of Neurology

    Leiden, K5Q112

Other trials in Netherlands

Norway1 site
  • University of Oslo, Nevrologisk poliklinikk

    Oslo, 0372 Oslo

Other trials in Norway

About this study

Official title: [PETDE10] Imaging of Phosphodiesterase 10 A (PDE10A) Enzyme Levels in the Living Human Brain of Huntington´s Disease Gene Expansion Carriers and Healthy Controls With Positron Emission Tomography

The aim of this study is to measure the availability of the PDE10A enzyme in Huntington disease gene expansion carriers (HDGECs) using the recently developed radioligand [18F]MNI-659. The study will be cross-sectional, examining HDGECs at different stages of the disease (pre-manifest, stage 1 and stage 2), in comparison with Healthy Controls (HCs). The HDGECs included in this study will be recruited from the large database of the REGISTRY (NCT01590589) or ENROLL-HD (NCT01574053) studies.

Read the detailed description

The study will be organized in an "adaptive-like" mode. Initially a cohort of 5 HDGECs and 5 HCs will be studied. The data obtained in the first cohort will be analysed and depending on the variability of the data, there will be approximately 10 HDGECs and an equal number of HCs in the second cohort and the size of the third cohort may be altered to in total include approximately 45 HDGECs and an equal number of HCs.

Being tested
PET Imaging with [18F]MNI-659
Medical subject headings
Huntington Disease

What participants receive

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

  • PET Imaging with [18F]MNI-659Radiation

    The radioligands [11C]raclopride and [18F]MNI-659 will be administered at doses less than 10 micrograms, i.e. within the micro dosing concept, and no pharmacological effects are expected.

    The injected radioactivity of [11C]raclopride will be 300 MBq/70 kg of body weight ± 10%.

    The injected radioactivity of [18F]MNI-659 will be 185 MBq/70 kg of body weight ± 10%.

Study groups in NCT02061722
Study groupRoleWhat they receive
PET Imaging with [18F]MNI-659ExperimentalAll subjects (both HDGECs and HCs) will receive single intravenous doses of the radioligands [11C]raclopride (non-investigational medicinal product [NIMP]) and [18F]MNI-659 (investigational medicinal product [IMP]). The radioligands [11C]raclopride and [18F]MNI-659 will be administered at doses less than 10 micrograms, i.e. within the micro dosing concept, and no pharmacological effects are expected. The injected radioactivity of [11C]raclopride will be 300 MBq/70 kg of body weight ± 10%. The injected radioactivity of [18F]MNI-659 will be 185 MBq/70 kg of body weight ± 10%.
Receives: Radiation: PET Imaging with [18F]MNI-659

What is being measured

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

  1. The primary outcome measure will be the distribution volume (VT) in the striatum (caudate and putamen), globus pallidus, and ventral striatum estimated using kinetic and graphical analysis. Thalamus, cortex and cerebellum will also be examined.

    Measured: Visit 3: For HD subjects, this will occur within 90 days from the Screening Visit. For Healthy Controls, this will occur within 28 days of Screening visit.

Timeline

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

  1. First posted13 Feb 2014 (estimated)
  2. Study startJan 2013
  3. Primary completionMay 2016
  4. Study completionMay 2016

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
Early Phase 1
Primary purpose
Diagnosis
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
90 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02061722
Sponsor's protocol ID
CHDIKI1201/PET-HD-PDE10A
Acronym
PEARL-HD
Status last verified
Mar 2016
First submitted
3 Feb 2014
Last updated
1 Jun 2016
Results posted
No
Data monitoring committee
Yes

Questions about this trial

What is this clinical trial studying?

A Early Phase 1 study testing PET Imaging with [18F]MNI-659 in people with Huntington's Disease, run by CHDI Foundation, Inc. at 8 sites in 4 countries.

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 8 inclusion and 16 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 1 Jun 2016. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 8 sites in Sweden, Denmark, Netherlands, Norway. 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?

Early Phase 1 (sometimes called Phase 0) studies give a very small amount of a treatment to a few people, mainly to see how the body handles it.

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?

The primary outcome measure will be the distribution volume (VT) in the striatum (caudate and putamen), globus pallidus, and ventral striatum estimated using kinetic and graphical analysis. Thalamus, cortex and cerebellum will also be examined. (time frame: Visit 3: For HD subjects, this will occur within 90 days from the Screening Visit. For Healthy Controls, this will occur within 28 days of Screening visit.). 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 1 Jun 2016.

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