- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00758849
Fipamezole in Neurogenic Orthostatic Hypotension (Foehn)
A Phase II, Randomised, Placebo-Controlled, Double-Blind, Replicated Crossover, Pilot Study on the Effect of Fipamezole on Neurogenic Orthostatic Hypotension in Patients With Multiple System Atrophy or Parkinson's Disease
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This study will be an exploratory, proof of concept, randomised, placebo-controlled, double-blind, multiple crossover study, with an open-label active run-in phase, in patients with multiple system atrophy (MSA) or Parkinson's disease (PD) who can concomitantly be treated with fludrocortisone and antiparkinsonian medication. Three sites in France and one site in Portugal will participate in this study.
During the open-label active run-in phase, a tolerated dose-escalation regimen (either escalating from 30 to 90 or 60 mg tid, or no escalation but fixed dose of 30 mg tid) will be established for each patient. Once the tolerated treatment regimen has been established, patients will then be randomised to the double-blind crossover treatment. Fipamezole and matched placebo tablets are compared in 3 crossover blocks, each block consisting of a total of 28 days: 12 days fipamezole and 12 days placebo in random order, separated by two days of washout. The patients will be randomly assigned to one of the two possible treatment sequences (fipamezole first followed by placebo or placebo first followed by fipamezole).
For efficacy assessments, the patient blood pressure and heart rate is assessed repeatedly when laying still or standing. Impact of orthostatic hypotension on clinical symptoms is assessed with a subjective scale and questionnaire. To explore potential positive or negative impact of fipamezole on disease characteristics, the MSA and PD patients are assessed with UMSARS and UPDRS scales, respectively. Finally, the study includes investigator and patients assessments of CGI-I and PGI-I scales for clinical condition in general.
Fipamezole
Fipamezole is a new antagonist of the pre-synaptic adrenergic alpha-2 receptors and is being investigated for potential use as an adjunctive therapy for PD. Adrenergic alpha-2 receptors inhibit noradrenaline and some other neurotransmitter release from nerve terminals in a tonic manner, and therefore antagonism of this receptor leads in enhanced neurotransmitter release. Alpha-2 receptors are located widely in the body, both in the central nervous system (CNS) and periphery. Pharmacological studies have suggested that either central or peripheral autonomic nervous system is involved in autonomic failure and orthostatic hypotension in MSA and in PD. Neurogenic orthostatic hypotension in these diseases results from decreased delivery of the sympathetic neurotransmitter noradrenaline (or hormonal adrenaline) to vascular adrenergic receptors, either because of blunted CNS control or impaired function of postganglionic sympathetic neurons. Fipamezole is expected to increase noradrenergic (or adrenergic) turnover in specific areas of the brain or in the periphery in MSA and PD and alleviate symptoms related to fall in BP during orthostatism.
Study Type
Enrollment (Anticipated)
Phase
- Phase 2
Contacts and Locations
Study Contact
- Name: Laurence Negre-Pages
- Phone Number: 33 5 61 25 34 58
- Email: laurence.negres-pages@easyconnect.fr
Study Locations
-
-
-
Bordeaux, France, 33604
- Hôpital du Haut Lévêque, CHU de Bordeaux
-
Contact:
- Sandrine Dupouy
- Phone Number: +33 6 30 85 95 42
- Email: sandrine.dupouy@chu-bordeaux.fr
-
Principal Investigator:
- François Tison, MD
-
Brest, France, 29609
- Hôpital de la Cavale Blanche, CHU Brest
-
Contact:
- Anne-Sophie Nedelec
- Phone Number: +33 6 30 85 95 42
- Email: anne-sophie.nedelec@chu-brest.fr
-
Principal Investigator:
- Anne Pavy-Le Traon, MD
-
Toulouse, France, 31059
- Hôpital Purpan CIC du CHU de Toulouse
-
Contact:
- Pascale Gauteuil
- Phone Number: +33 5 61 77 91 14
- Email: pascale.gauteul@toulouse.inserm.fr
-
Principal Investigator:
- Olivier RASCOL, MD
-
-
-
-
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Lisbon, Portugal, 1649-028
- Centro de Estudos Egas Moniz, Faculdade de Medicina de Lisboa
-
Contact:
- Maria Finisterra
- Phone Number: +351 21 793 0629
- Email: cicneuro.lisbon@gmail.com
-
Principal Investigator:
- Joaquim Ferreira, MD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Male or female patients ≥ 30 and < 80 years of age with an intact oral mucosa at screening
- Diagnosis of MSA or diagnosis of idiopathic PD
- Hoehn and Yahr stages 1 to 4 during 'Off' period
- NOH: reproducible fall in SBP ≥20 mmHg and/or a fall in DBP ≥10 mmHg between 15 min of supine rest and 3 min of standing (or until symptomatic from hypotension after <3 min of standing)
- For patient taking antiparkinsonian medication: stable daily dosing for at least 1 month
- For patient taking fludrocortisone: stable dose for at least 2 months
- Demonstrated ability to comprehend, give informed consent and comply with study procedures (BP self-monitoring, completion of patient diary and self-assessment rating scales)
Exclusion Criteria:
- Other clinically significant conditions apart from those typically associated with MSA or PD
- SBP ≥200 mmHg or DBP ≥120 mmHg after 15 min supine rest in quiet environment
- Clinically significant abnormalities of ECG
- Mini-Mental State Examination (MMSE) score < 24
- Intake of prohibited concomitant medication such as midodrine, intake of medication associated with vasodilatation or induction of liver enzymes; neuroleptics; certain drugs known to be substantially metabolized through the following cytochrome P450 isoenzymes: 1A2, 2B6, 2C19, 2C9, 2D6 and 2E1; or any other drug for the treatment of orthostatic hypotension (including off-label use), such as non-steroidal anti-inflammatory drugs, beta blockers, somatostatin
- Use of St. John's Wort or Ginkgo Biloba within 48 h prior to inclusion and during the course of the study
- Intake of an investigational drug within 30 days prior to screening
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: 2
|
One 30-mg tablet of Fipamezole tid from day 1 to 3; one 60-mg tablet of Fipamezole tid from Day 4 to 6; and one 90-mg tablet of Fipamezole tid from Day 7 to 12 in each of the three crossover treatment blocks, each block separated by 2-days placebo washout
|
Placebo Comparator: 1
|
One placebo tablet administered tid for 12 days in each of the three crossover treatment blocks, each block separated by 2-days placebo washout
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
To compare the efficacy of fipamezole with that of placebo on orthostatic hypotension as assessed by blood pressure response to orthostatism.
Time Frame: 28 days
|
28 days
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
To compare the efficacy of fipamezole with that of placebo on heart rate (HR) response to orthostatism.
Time Frame: 28 days
|
28 days
|
To compare the efficacy of fipamezole with that of placebo on clinical symptoms.
Time Frame: 28 days
|
28 days
|
To explore the relationship between plasma levels of fipamezole and measures of efficacy and safety (pharmacokinetics).
Time Frame: 28 days
|
28 days
|
To assess safety and tolerability of fipamezole.
Time Frame: 28 days
|
28 days
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Olivier Rascol, MD, Hôpital Purpan CIC du CHU de Toulouse
Study record dates
Study Major Dates
Study Start
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Cardiovascular Diseases
- Vascular Diseases
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Parkinsonian Disorders
- Basal Ganglia Diseases
- Movement Disorders
- Synucleinopathies
- Neurodegenerative Diseases
- Pathological Conditions, Anatomical
- Autonomic Nervous System Diseases
- Primary Dysautonomias
- Orthostatic Intolerance
- Parkinson Disease
- Hypotension
- Atrophy
- Multiple System Atrophy
- Shy-Drager Syndrome
- Hypotension, Orthostatic
Other Study ID Numbers
- SNT-II-005
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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