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Parkinson's DiseasePhase 2NCT01174810

Exendin-4 as a Treatment for Parkinson's Disease - Pilot Study

A Phase 2 study testing Exenatide in people with Parkinson's Disease, run by University College, London at 1 site in United Kingdom.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

Exenatide is a licensed, safe and effective treatment for patients with Diabetes mellitus. Laboratory work has shown strong, reproducible evidence that this drug has beneficial "disease modifying" effects when given to animals with a range of experimental models of Parkinson's disease (PD). Read more about this study

Who is it for?
Ages 45 to 70 years
Conditions the study is for
Parkinson's Disease
What is being tested?
Exenatide
Could I receive a placebo?
No, everyone receives an active treatment
How many people
40 participants
Where
1 siteUnited Kingdom
Study dates
Jul 2010to Mar 2013
Phase
Phase 2
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 45 to 70 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Diagnosis of Idiopathic Parkinson's disease of moderate severity- equivalent to Hoehn/ Yahr stage 2 to 2.5 (Bilateral symptoms but still physically independent).
  • Male or female. Female patients to be post menopausal (defined as 12 months of spontaneous amenorrhoea or 6 months spontaneous amenorrhoea with FSH levels greater than 40mIU/ml), surgically sterilised (post hysterectomy and/or oophorectomy). Male patients with female partners that have child bearing potential must use adequate contraception (condoms +/-spermicidal gel/foam) throughout the duration of the trial period.
  • Age 45-70 years
  • Disease onset after age 40 years
  • Disease duration > 5 years
  • On L-dopa treatment. Patient must be on oral L-dopa treatment - with or without dopamine agonist including Apomorphine, MAO-B inhibitor, COMT inhibitor, Amantadine, Beta blocker, anticholinergic treatment History of wearing off phenomena- duration of action of single dose of L-dopa < 6 hours Stable PD medication for preceding 3 months- i.e. no change in medication type or dose.
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  • UPDRS motor off medication score >15
  • L-dopa responsiveness. Defined as >33% improvement in UPDRS motor off medication score following L-dopa challenge
  • Able to give informed consent
  • Able to comply with trial protocol and willing to attend necessary clinic visits off medication.

Who cannot join

  • Diagnosis or suspicion of other cause for parkinsonism including Vascular parkinsonism, post traumatic parkinsonism, drug or toxin induced parkinsonism, or other neurodegenerative condition including Multiple System Atrophy, Progressive Supranuclear Palsy, Huntington's disease, Wilson's disease, Pantothenate kinase Neurodegeneration (PKAN), Alzheimer's disease, Creutzfeld Jacob disease.
  • Known abnormality on CT or MRI brain imaging considered to be causing symptoms or signs of neurological dysfunction, or considered likely to compromise compliance with trial protocol.
  • Concurrent dementia defined by a score lower than 120 on the Mattis Dementia Rating Scale.
  • Concurrent severe depression defined by a score greater than 16 on the MADRS Exposure to neuroleptic drugs within 6 months prior to baseline assessment Prior intracerebral surgical intervention for Parkinson's disease including Deep Brain stimulation, lesional surgery, growth factor administration, gene therapy or cell transplant
  • Already actively participating in a trial of a device, drug or surgical treatment for Parkinson's disease, or trial participation within previous 30 days.
  • Type 1 Diabetes mellitus
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  • Type 2 Diabetes mellitus on insulin treatment
  • End stage renal disease or severely impaired renal function with creatinine clearance <30ml/min
  • History of severe cardiac disease (Angina, Myocardial infarction or cardiac surgery in preceding 2 years)
  • History of pancreatitis
  • History of alcoholism
  • Severe gastrointestinal disease including gastroparesis
  • Ongoing treatment with sulphonylurea
  • Females that are pregnant or breast feeding or of child bearing potential.

Trial locations and contacts

1 site in 1 country.

United Kingdom1 site
  • National Hospital for Neurology and Neurosurgery

    London, WC1E 3BG

Other trials in United Kingdom

About this study

Official title: An Open Label, Single Site, 12 Month, Phase II, Randomised Controlled Trial Evaluating the Safety and Efficacy of Exendin-4 (Exenatide) in the Treatment of Patients With Moderate Severity Parkinson's Disease.

Exenatide is a licensed, safe and effective treatment for patients with Diabetes mellitus. Laboratory work has shown strong, reproducible evidence that this drug has beneficial "disease modifying" effects when given to animals with a range of experimental models of Parkinson's disease (PD). This project aims to make an initial evaluation of possible benefits of Exenatide among patients with moderate symptoms of PD. The drug will be given as a twice daily 10microgram injection under the skin in a similar way to one of the conventional "symptomatic" treatments for PD (Apomorphine).

Forty patients with moderate symptoms of PD will be recruited and randomised to receive Exenatide injections twice daily, or to act as controls in this open label trial. Detailed assessments will be made of all patients at baseline and periodically for a total of 14 months. The primary outcome measure will be the change between baseline and follow up, in the severity of a validated PD assessment scale (the UPDRS part 3 motor score) after an overnight period free of conventional PD medication. Secondary measures will include adverse event reports, self completed questionnaires, and blood test results. Aside from these assessments, all patients will continue their regular PD medications throughout the trial with adjustments made only according to clinical need.

In a subgroup of patients (n=10), brain scans that assess the severity of PD, will be performed at both baseline and follow up to help understand possible mechanisms of action of Exenatide.

Being tested
Exenatide
Keywords
Parkinson's Disease, PD, Moderate Parkinson's Disease
Medical subject headings
Parkinson Disease

What participants receive

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

  • ExenatideDrug

    Also called Byetta, Exendin-4

    Exenatide, 5 micrograms twice a day for 1 month and 10 micrograms twice a day for 11 months. Total duration of treatment 12 months

Study groups in NCT01174810
Study groupRoleWhat they receive
ControlNo interventionNot described
ExenatideExperimentalNot described
Receives: Drug: Exenatide

What is being measured

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

  1. Change from baseline to 12 months & 14 months between patients on active Exenatide treatment and PD controls in respect of their UPDRS-off-medication motor subscore.

Secondary outcomes (1)
  1. Adverse event profile among patients treated with Exenatide compared with matched PD controls. Change from baseline to 12 months/ 14 months between patients on active treatment and PD controls in respect of list given below

    • the UPDRS on medication motor subscore
    • the UPDRS ADL subscore
    • dyskinesia rating scale
    • timed motor tests
    • the Mattis Dementia rating scale
    • the Montgomery \& Asberg Depression rating scale
    • the PDQ39
    • the EQ-5D
    • the NMS Quest
    • the SCOPA Sleep scale
    • the SCOPA AUT scale
    • the Smell Identification test
    • DAT (SPECT) scan appearances.

Timeline

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

  1. First posted4 Aug 2010 (estimated)
  2. Study startJul 2010
  3. Primary completionMar 2013 (estimated)
  4. Study completionMar 2013 (estimated)

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 2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
40 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01174810
Sponsor's protocol ID
09/0391
Other IDs
2009-018137-37, 2009
Status last verified
Mar 2012
First submitted
2 Aug 2010
Last updated
23 Mar 2012
Results posted
No
Data monitoring committee
No

Publications

  • Aviles-Olmos I, Dickson J, Kefalopoulou Z, Djamshidian A, Ell P, Soderlund T, Whitton P, Wyse R, Isaacs T, Lees A, Limousin P, Foltynie T. Exenatide and the treatment of patients with Parkinson's disease. J Clin Invest. 2013 Jun;123(6):2730-6. doi: 10.1172/JCI68295.

    PubMed 23728174

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Exenatide in people with Parkinson's Disease, run by University College, London at 1 site 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 10 inclusion and 14 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: status not confirmed, as of the sponsor's last update on 23 Mar 2012. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site 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 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

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

Are results available for this study?

Results are not available in the source record.

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?

Change from baseline to 12 months & 14 months between patients on active Exenatide treatment and PD controls in respect of their UPDRS-off-medication motor subscore.. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT01174810, which also lists 1 linked publication.

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 23 Mar 2012.

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