A Randomized Multicentre Study for the Acute Relief of Episodic and Chronic Cluster Headache.

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

102 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-08-31

Study Completion Date

2015-01-31

Brief Summary

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The study will look at a non-invasive treatment for people suffering with chronic and episodic headaches. Study subjects will be randomized to an active treatment or an in-active treatment for 2 weeks. After the 2 weeks all subjects will continue to treat with an active treatment for an additional 2 weeks.

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Detailed Description

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The study is a prospective double blind, randomized, sham-controlled, multi-center investigation designed for comparison of two parallel groups, GammaCore® (active treatment) and a sham, (in-active) treatment. The study period begins with a 1-week run-in period, followed by a 2 week comparative period when the subjects are randomized (1:1) to either active treatment or sham (in-active) treatment. The comparative period will be followed by an open label 2 week period, where the subjects in the sham treatment group will switch in treatment assignment and receive an active treatment and the active group will continue to receive an active treatment.

Conditions

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Cluster Headache

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Investigators Outcome Assessors

Study Groups

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gammacore

gammacore active device to be used noninvasively to the vagal nerve in the neck.

Group Type ACTIVE_COMPARATOR

gammaCore

Intervention Type DEVICE

Vagal stimulation

inactive gammacore

same as the active treatment, but without the therapy treatment provided

Group Type PLACEBO_COMPARATOR

gammaCore

Intervention Type DEVICE

Vagal stimulation

Interventions

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gammaCore

Vagal stimulation

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Is 18 years or older
* Has been diagnosed with episodic or chronic cluster headache in accordance with the ICHD-2 Classification criteria (2ndEd)
* Is capable of completing the 5-point pain scale, disability scale and other self-assessments
* Agrees to refrain from starting new medication aimed to control the cluster headache for the duration of the run-in and randomized phase
* Is able to provide written Informed Consent

Exclusion Criteria

* Episodic cluster headache sufferers who are not in a cluster headache bout at the time of screening and enrollment
* 2\. Need to commence treatment with oral or injectable steroids for eventual concomitant medical conditions
* 3\. Has a lesion (including lymphadenopathy), dysaesthesia, previous surgery or abnormal anatomy at the GammaCore® treatment site
* 4\. Is currently taking medication for indications other than CH that in the opinion of the clinician may interfere with the study
* 5\. Has a history of any cranial aneurysm, intracranial haemorrhage, brain tumours or significant head trauma
* 6\. Diagnosed or suspected secondary headache
* 7\. Has other significant pain problem that might confound the study assessments in the opinion of the investigator
* 8\. Has known or suspected severe atherosclerotic cardiovascular disease, severe carotid artery disease (e.g. bruits or history of transient ischemic attack (TIA) or cerebral vascular accident CVA), congestive heart failure (CHF), known severe coronary artery disease or recent (5 years) myocardial infarction
* 9\. Has an abnormal baseline ECG (e.g. second and third degree heart block, atrial fibrillation, atrial flutter, recent history of ventricular tachycardia or ventricular fibrillation, or clinically significant premature ventricular contraction)
* 10\. Has had a previous, cervical vagotomy
* 11\. Has uncontrolled high blood pressure
* 12\. Is currently implanted with an electrical and/or neurostimulator device, including but not limited to cardiac pacemaker or defibrillator, vagal neurostimulator, deep brain stimulator, spinal stimulator, bone growth stimulator, or cochlear implant
* 13\. Has a history of carotid endarterectomy or vascular neck surgery
* 14\. Has been implanted with metal cervical spine hardware or has a metallic implant near the GammaCore stimulation site
* 15\. Has a recent (12 months) or repeated history of syncope
* 16\. Has a recent (12 months) or repeated history of seizure
* 17\. Has a known history or suspicion of substance abuse or addiction, or overuse of acute headache medication
* 18\. Has psychiatric or cognitive disorder and/or behavioural problems which in the opinion of the clinician may interfere with the study
* 19\. Is pregnant, nursing, thinking of becoming pregnant in the next 6 weeks 20. Is participating in any other therapeutic clinical investigation or has participated in a clinical trial in the preceding 30 days
* 21\. Is a relative of or an employee of the investigator or the clinical study site

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No