Non-invasive Neurostimulation of the Vagus Nerve for the Treatment of Cluster Headache



Status:Completed
Conditions:Migraine Headaches
Therapuetic Areas:Neurology
Healthy:No
Age Range:18 - 75
Updated:5/19/2018
Start Date:February 2013
End Date:October 2014

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Non-invasive Neurostimulation of the Vagus Nerve With the GammaCore Device for the Treatment of Cluster Headache

Multi-center, prospective, double-blind, randomized, sham-controlled pivotal study of
non-invasive vagus nerve stimulation with the GammaCore® device for the acute treatment of
cluster headache. The study compares the safety and effectiveness of an active treatment
(GammaCore) against a sham treatment.

Phase 1: Prospective, randomized (1:1 active treatment:sham control allocation), double
blinded, sham controlled treatment (active or sham) phase

Phase 2: Prospective, non-randomized, active treatment phase.

Phase 1 - Two Arms:

1. Active Treatment with the GammaCore Device

2. Sham Treatment with a placebo device

Phase 2 - One Arm:

Active Treatment with the GammaCore Device

Inclusion Criteria:

1. Is between the ages of 18 and 75 years.

2. diagnosed with episodic cluster headache, in accordance with the ICHD-2 Classification
criteria (2ndEd):

o At least 5 attacks fulfilling the following criteria:

- Severe or very severe unilateral orbital, supraorbital and/or temporal pain
lasting 15-180 minutes if untreated

- Headache is accompanied by at least 1 of the following:

- Ipsilateral conjunctival injection and/or lacrimation

- Ipsilateral nasal congestion and/or rhinorrhea

- Ipsilateral eyelid edema

- Ipsilateral forehead and facial sweating

- Ipsilateral miosis and/or ptosis

- A sense of restlessness or agitation

3. currently experiencing cluster headaches, and from clinical history is expected to
continue experiencing cluster headaches for a period of at least 4 weeks.

4. able to distinguish CH from other headaches (i.e. migraine, tension-type headaches).

5. capable of completing headache pain self-assessments.

6. [Intentionally left blank].

7. Agrees to use the GammaCore device as intended and follow all of the requirements of
the study, including follow-up visit requirements.

8. Agrees to record usage of the GammaCore device, all required study data, and report
any adverse device effects to the study center within 24 hours of any such adverse
device effects.

9. able to provide written Informed Consent

Exclusion Criteria:

1. had surgery to treat cluster headache.

2. currently taking prophylactic medication (including chronic opioids and non-prescribed
street drugs) for indications other than CH that in the opinion of the clinician may
interfere with the study.

3. [Intentionally left blank].

4. undergone botulinum toxin injections in the head and/or neck in the last 3 months or
nerve blocks (occipital or other) in the head or neck in the last month.

5. history of aneurysm, intracranial hemorrhage, brain tumors or significant head trauma.

6. lesion (including lymphadenopathy), dysaesthesia, previous surgery or abnormal anatomy
at the treatment site.

7. structural intracranial, or cervical vascular lesions that may potentially cause
headache attacks.

8. other significant pain problem (including cancer pain, fibromyalgia, and trigeminal
neuralgia/TAC-cluster) that might confound the study assessments.

9. known or suspected severe atherosclerotic cardiovascular disease, severe carotid
artery disease (e.g. bruits or history of TIA or CVA), congestive heart failure (CHF),
known severe coronary artery disease or recent myocardial infarction.

10. history of prolonged QT interval or a history of clinically significant arrhythmia.

11. 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).

12. previous bilateral or right cervical vagotomy.

13. uncontrolled high blood pressure.

14. 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.

15. history of carotid endarterectomy or vascular neck surgery on the right side.

16. implanted with metal cervical spine hardware or has a metallic implant near the
GammaCore stimulation site.

17. recent or repeated history of syncope.

18. recent or repeated history of seizure.

19. known history or suspicion of substance abuse or addiction, or overuse of acute
headache medication for headaches other than CH.

20. psychiatric or cognitive disorder and/or behavioral problems which in the opinion of
the clinician may interfere with the study.

21. pregnant, nursing, thinking of becoming pregnant in the next 4 months, or of
childbearing years and is unwilling to use an accepted form of birth control.

22. participating in any other therapeutic clinical investigation or has participated in a
clinical trial in the preceding 30 days.

23. Belongs to a vulnerable population or has any condition such that his or her ability
to provide informed consent, comply with follow-up requirements, or provide
self-assessments is compromised
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9500 Euclid Avenue
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111 South 11th Street
Philadelphia, Pennsylvania 19107
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Chicago, Illinois 60614
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2201 Inwood Rd
Dallas, Texas 75235
(214) 645-8300
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Englewood, Colorado
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Springfield, Missouri 65807
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300 Pasteur Dr
Stanford, California 94305
(650) 723-4000
Stanford Univ Med Ctr The Medical Center is uniquely advantaged by its location on the...
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Worcester, Massachusetts 01605
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