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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02686034
Other study ID # GM-16
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date January 2016
Est. completion date March 2017

Study information

Verified date June 2019
Source ElectroCore INC
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study is a prospective, multi-centre, randomised, double-blind, sham-controlled investigation designed for comparison of two parallel treatment groups: gammaCore (active nVNS treatment) and a Sham device (control treatment), for the acute treatment of migraine attacks


Description:

Period 1: 4-week observational run-in period; no stimulation treatment. Subjects use standard of care (SoC) medication to treat their migraine attacks, according to their individual prescriptions.

Period 2: 4-week randomized/controlled period. After the run-in period, subjects are randomized (1:1) to receive either an nVNS device or a sham device to treat up to 5 migraine attacks.

Period 3: 4-week open-label (active treatment) period. After the randomized period, subjects continue to the open-label period where all subjects receive an active gammaCore device to treat up to 5 migraine attacks.


Recruitment information / eligibility

Status Completed
Enrollment 285
Est. completion date March 2017
Est. primary completion date December 2016
Accepts healthy volunteers No
Gender All
Age group 18 Years to 75 Years
Eligibility Inclusion Criteria:

1. Is 18-75 years old.

2. Has been previously diagnosed with migraine (with or without aura) in accordance with the ICHD-3 Beta classification criteria.

3. Age of onset of migraines < 50 years old.

4. Experiences between 3-8 migraine attacks per month of moderate or severe intensity, and less than 15 headache days per month over the last 6 months.

5. Is able to distinguish migraine headaches from other headaches (e.g. tension type headache).

6. Agrees to withhold usual acute migraine medications until 2 hours after stimulation treatment with the study device.

7. Agrees not to initiate new or change existing migraine prophylaxis medication for the duration of the study, or receive nerve blocks or injections.

8. Agrees not to initiate new or change existing prophylactic medication for indications other than migraine that in the opinion of the Investigator may interfere with the study objectives (e.g. antidepressant, anti-convulsant, beta blockers, etc).

9. Has internet/web access for web-based e-Diary completion.

10. Agrees to use the study device as intended, comply with all study requirements including treatment, follow-up visits, record required study data in the subject diary, and complete study self-assessment questionnaires.

11. Is able to provide written informed consent.

Exclusion Criteria:

1. Experiences = 15 headache days per month, including migraine, tension type headache, medication overuse headache, and other types of headache as defined in the ICHD-3 Beta classification.

2. Has a known history or suspicion of secondary headache.

3. Has previous diagnosis of medication overuse headache (MoH), which has reverted to episodic migraine within the last 6 months.

4. Has had surgical intervention for migraine prevention.

5. Has had a cervical vagotomy.

6. Has a structural abnormality (e.g. lymphadenopathy, neoplasm, previous surgery or abnormal anatomy), or pain (e.g. dysesthesia, neuralgia and/or cervicalgia) at the stimulation treatment site.

7. Has other significant pain problem (e.g. cancer pain, fibromyalgia or other head or facial disorder) that in the opinion of the Investigator may confound the study assessments.

8. Is currently implanted with an electrical and/or neurostimulator device (e.g. cardiac pacemaker or defibrillator, vagal neurostimulator, deep brain stimulator, spinal stimulator, bone growth stimulator, cochlear implant, sphenopalatine ganglion stimulator, or occipital nerve stimulator).

9. Has been implanted with metal cervical spine hardware or has a metallic implant near the stimulation treatment site.

10. Has failed an adequate trial (two months or greater) of at least 3 classes of a drug therapy for acute treatment of migraine.

11. Has initiated new, or changed existing medications for migraine prophylaxis in the previous 2 months.

12. Is using marijuana (including medical marijuana) for any indications, more than twice a month.

13. Currently takes simple analgesics or non-steroidal anti-inflammatory drugs (NSAIDS) greater than 15 days per month, or triptans, ergots or combined analgesics greater than 10 days per month.

14. Currently takes opioids greater than 2 days per month for headache relief or body pain.

15. Has undergone nerve block (occipital or other) in the head or neck within the last 2 months, or Botox injections within the last 6 months.

16. Has a concomitant medical condition that will require oral or injectable steroids during the study.

17. Has a history of intracranial aneurysm, intracranial haemorrhage, brain tumour or significant head trauma.

18. Has known or suspected severe cardiac disease (e.g. symptomatic coronary artery disease, prior myocardial infarction, congestive heart failure(CHF), cerebrovascular disease (e.g. prior stroke or transient ischemic attack symptomatic carotid artery disease, prior carotid endarterectomy or other vascular neck surgery), or uncontrolled high blood pressure (systolic >160, diastolic >100 after 3 repeated measurements within 24 hours).

19. Has a history of syncope or seizure (within the last 5 years).

20. Has a known history or suspicion of substance abuse or addiction (within the last 5 years).

21. Has psychiatric or cognitive disorder and/or behavioural problems which in the opinion of the clinician may interfere with the study.

22. Belongs to a vulnerable population or has any condition such that his or her ability to provide informed consent, comply with the follow-up requirements, or provide self-assessments is compromised (e.g. homeless, developmentally disabled, prisoner).

23. Is pregnant or thinking of becoming pregnant during the study period, or of childbearing years and is unwilling to use an accepted form of birth control.

24. Is a relative or employee of the Investigator or the clinical study site.

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

26. Has previously used the gammaCore device.

Study Design


Related Conditions & MeSH terms


Intervention

Device:
gammaCore-S
At onset of migraine pain, the subject self-administers a bilateral treatment with the gammaCore nVNS device (2 minutes on the right side, and 2 minutes on the left side). If their headache pain has not improved after 15 minutes, they administer another bilateral treatment. If they are not pain-free at 2 hours, they have the option to administer a third bilateral treatment, or take their usual rescue medication.
gammaCore-S Sham
At onset of migraine pain, the subject self-administers a bilateral treatment with the gammaCore nVNS Sham device (2 minutes on the right side, and 2 minutes on the left side). If their headache pain has not improved after 15 minutes, they administer another bilateral treatment with the Sham device. If they are not pain-free at 2 hours, they have the option to administer a third bilateral treatment with the Sham device, or take their usual rescue medication.

Locations

Country Name City State
Italy University Aldo Moro, Ospedale Pediatrico Bari
Italy IRCCS Istituto delle Scienze Neurologiche di Bologna, Ospedale Bellaria Bologna
Italy University Hospital of Careggi Florence
Italy Fondazione IRCCS Istituto Neurologico C. Besta Milan
Italy IRCSS "National Neurological Institute C. Mondino" Foundation Pavia
Italy S. Maria della Misericordia Hospital Perugia
Italy INM Neuromed IRCCS Pozzilli
Italy IRCCS San Raffaele Pisana Rome
Italy Sant'Andrea Hospital, Sapienza University of Rome Rome
Italy University of Turin Turin

Sponsors (1)

Lead Sponsor Collaborator
ElectroCore INC

Country where clinical trial is conducted

Italy, 

Outcome

Type Measure Description Time frame Safety issue
Other Number of Migraine Attacks With Treatment Response 'No Pain' in Study Period 3 Response to treatment was assessed by the subjects using the 4 point headache scale, where 0 = No pain, 1 = Mild pain, 2 = Moderate pain and 3 = severe pain.
Number of migraine attacks with treatment response 'no pain' for the nVNS and sham therapies at 30, 60 and 120 minutes calculated for all treated attacks during study Period 3.
30, 60, 120 minutes; Period 3 (each study period was 4 weeks)
Other Number of Migraine Attacks With Treatment Response no Pain or Mild Pain Response to treatment was assessed by the subjects using the 4 point headache scale, where 0 = No pain, 1 = Mild pain, 2 = Moderate pain and 3 = severe pain.
Number of migraine attacks with treatment response 'no pain' or 'mild pain' on the 4-point headache pain scale for the nVNS and sham therapies at 30, 60 and 120 minutes calculated for all treated attacks during study Periods 2 and 3 (separately)
30, 60, 120 minutes; Study Periods 2 and 3 (each study period was 4 weeks)
Other Number of Migraine Attacks With Absence of Nausea, Vomiting, Photophobia and Phonophobia Number of Attacks with Absence of Nausea, Vomiting, Photophobia and Phonophobia at 120 minutes for nVNS and sham therapies calculated for all treated attacks during study Periods 2 and 3 (separately). Study Periods 2 and 3 (each study period was 4 weeks)
Other Number of Attacks With Sustained Treatment Response Number of migraine attacks with sustained treatment response (mild or no pain at 24 and 48 hours post-treatment) for nVNS and sham therapies calculated for all treated attacks during study Periods 2 and 3 (separately). 24 and 48 hours; Study Periods 2 and 3 (each study period was 4 weeks)
Other Number of Subjects With Consistency of Response Consistency of response, defined as the number of subjects who achieve no pain or mild pain in 50% or greater of their attacks, in subjects treating at least two attacks, for nVNS and sham therapies for all treated attacks during study Periods 2 and 3 (separately). Study Periods 2 and 3 (each study period was 4 weeks)
Other Quality of Life Measured by EuroQol-5D-5L (EQ-5D-5L) Treatment effect on quality of life: EQ-5D-5L is assessed at end of the run-in period and at the end of each 4-week period for nVNS and sham therapies.
EQ-5D-5L descriptive system comprises 5 dimensions: mobility, self-care, usual activities, pain/discomfort and anxiety/depression. Each dimension has 5 levels: 1 = no problems, 2 = slight problems, 3= moderate problems, 4 = severe problems and 5 = extreme problems. Subjects indicate health state by ticking choosing appropriate statement in each dimension. The 5 dimensions scores are combined into a score, where a lower score indicates less problems.
Scores across all 5 dimensions are averaged resulting in a total theoretical score of 1 to 5 with lower scores indicating less problems
End of each study period (each study period was 4 weeks)
Other Bang Blinding Index Scores After the first treated attack and at the end of the double blind period (period 2) subjects were asked to guess if they were had received 'gammaCore-S', ''sham' or 'do not know'. Bang blinding index estimated are presented for the gammaCore-S and sham.
Bang Blinding Index shows the success of blinding. The blinding index proposed is scaled to an interval of -1 to 1, 1 being complete lack of blinding, 0 being consistent with perfect blinding and -1 indicating opposite guessing which may be related to unblinding.
A score of one means they guess correctly, -1 incorrectly. If the bang index includes 0 it indicates that the guesses were consistent for the sham and active and the study was appropriately blinded
Study Period 2 (4 weeks)
Other Subject Satisfaction Subject satisfaction with the study devices Subjects were asked to rate their satisfaction with the device from the following options: Extremely satisfied, Very satisfied, Satisfied, A little satisfied or Not at all satisfied End of Study Periods 2 and 3 (each study period was 4 weeks long)
Other Mean Change in Pain Score From Baseline to 120 Minutes Subjects rated pain at onset of migraine attack (baseline) and at 120 minutes using a 4 point headache pain scale where 0 = no pain, 1 = mild pain, 3 = moderate pain and 4 = severe pain. A lower score indicates less pain. Mean change in pain score from baseline to 120 minutes for all attacks in study period 2 120 minutes, Study Period 2 (each study period was 4 weeks long)
Other Ease of Use Ease of use of the study devices - Subjects were asked to rate the ease of use of the device from the following options: Very easy, somewhat easy, difficult, very difficult. End of Study Periods 2 and 3 (each study period was 4 weeks long)
Other Quality of Life Measured by Headache Impact Test (HIT-6) The HIT-6 measures impact of headaches on ability to function at work, at home and in social situations. Subjects answer 6 questions about ability to function and normal daily life and for each question they rate the impact of their headaches as 'never' (6 points) or 'rarely' (9 points) or 'sometimes' (10 points) or 'very often' (11 points) or 'always' (13 points). Minimum score = 36, maximum score = 78.
Higher score is worse and lower score is better quality of life
End of each study period (each study period was 4 weeks)
Primary Number of Participants With Treatment Response - No Pain The primary objective is to compare the treatment response for nVNS and Sham therapies at two hours post-treatment, for the first treated migraine attack during study Period 2. Treatment response is defined as no pain at 2 hours post-treatment and no rescue medication use by 2 hours post-treatment. 2 hours post-treatment
Secondary Number of Participants With Absence of Nausea/Vomiting, Photophobia, Phonophobia Presence or absence of nausea/vomiting, photophobia and phonophobia for nVNS and sham therapies for the first treated migraine attack at 120 minutes during study Period 2. 2 hours post-treatment study - period 2 (each study period was 4 weeks)
Secondary Number of Participants With Treatment Response - No Pain or Mild Pain Response to treatment was assessed by the subjects using the 4 point headache scale, where 0 = No pain, 1 = Mild pain, 2 = Moderate pain and 3 = severe pain.
Results show count of participants with a response of no pain (score = 0) or mild pain (score = 1) on the 4-point headache pain scale for the nVNS and sham therapies at 2 hours post-treatment and no rescue medication use by 2 hours post-treatment for the first treated migraine attack during study Period 2.
2 hours post-treatment
Secondary Number of Participants With Treatment Response no Pain or Mild Pain at 24 and 48 Hours. Response to treatment was assessed by the subjects using the 4 point headache scale, where 0 = No pain, 1 = Mild pain, 2 = Moderate pain and 3 = severe pain.
Results show count of participants with a response of no pain or mild pain on the 4-point headache pain scale at 24, and 48 hours post-treatment (and no rescue medication use) for nVNS and sham therapies for the first treated migraine attack during study Period 2.
24 and 48 hours post-treatment
Secondary Number of Migraine Attacks With Treatment Response 'No Pain' in Study Period 2 All Attacks Response to treatment was assessed by the subjects using the 4 point headache scale, where 0 = No pain, 1 = Mild pain, 2 = Moderate pain and 3 = severe pain.
Results show % Treatment response 'No pain' for the nVNS and sham therapies at 30, 60 and 120 minutes calculated for all treated attacks during study Period 2.
30, 60, 120 minutes; Study Period 2 (each study period was 4 weeks)
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