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Study of Occipital Nerve Stimulation for Drug Refractory Migraine

A Prospective, Randomized, Double-Blind, Placebo-Controlled Trial of Occipital Nerve Stimulation for Drug Refractory Migraine

Status
Terminated
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00747812
Acronym
PRISM UK
Enrollment
11
Registered
2008-09-05
Start date
2006-05-31
Completion date
2012-05-31
Last updated
2020-11-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Migraine

Keywords

Headache, Migraine, Refractory, Chronic, Pain

Brief summary

The purpose of this study is to evaluate the safety and effectiveness of an implantable device to treat migraine. There are a significant number of patients who have drug refractory migraine and alternative therapies are needed.

Interventions

DEVICEPrecision

Implantable Neurostimulator

Sponsors

Boston Scientific Corporation
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Be diagnosed with multiple migraines per month of moderate to severe intensity; * Be refractory to medication; * Be an appropriate candidate for the surgical procedures required fo this study; * Be willing and able to comply with all study related procedures; * Be capable of reading and understanding patient information materials and giving written informed consent.

Exclusion criteria

* Have onset of headache after age 50; * Are current substance abusers (including alcohol and illicit drugs); * Have a significant psychiatric disorder; * Have previously been treated with occipital nerve stimulation (either temporary trial or permanent implant); * Have had nerve stimulation for pain relief. * Have had an injection of botulinum toxin in the head or neck within 6 months prior to enrollment; * Have previously undergone destructive ganglionectomy affecting C2/C3 occipital and/or trigeminal distribution or have an occipital blockade or radiofrequency procedure currently in effect. * Have a condition currently requiring or likely to require the use of MRI or diathermy; * Have an active implantable device; * Are pregnant or lactating or planning to become pregnant in the next 14 months; * Have participated in any drug or device trial in the last 4 weeks or plant to participate in any other study during the next 14 months.

Design outcomes

Primary

MeasureTime frame
Number of Hours of Headache12 weeks
Number of Days With 4 or More Hours of Headache12 Weeks

Countries

United Kingdom

Participant flow

Participants by arm

ArmCount
Active Stimulation (Treatment Group)
Stimulation on from activation to 12 weeks post-activation. Stimulation off from 12 weeks post-activation to 16 weeks post-activation. Stimulation on from 16 weeks post-activation to end of study.
5
Sham Stimulation (Control Group)
Sham Stimulation from activation of device to 12 weeks post-activation. Stimulation on from 12 weeks post-activation on.
3
Total8

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyResearch Site Staff Relocation53

Baseline characteristics

CharacteristicActive Stimulation (Treatment Group)Sham Stimulation (Control Group)Total
Age, Continuous47.8 years
STANDARD_DEVIATION 15.5
55.6 years
STANDARD_DEVIATION 5.5
50.7 years
STANDARD_DEVIATION 12.7
Region of Enrollment
United Kingdom
5 participants3 participants8 participants
Sex: Female, Male
Female
4 Participants2 Participants6 Participants
Sex: Female, Male
Male
1 Participants1 Participants2 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
5 / 53 / 4
serious
Total, serious adverse events
4 / 52 / 4

Outcome results

Primary

Number of Days With 4 or More Hours of Headache

Time frame: 12 Weeks

ArmMeasureValue (MEAN)
Active Stimulation (Treatment Group)Number of Days With 4 or More Hours of HeadacheNA Days
Sham Stimulation (Control Group)Number of Days With 4 or More Hours of HeadacheNA Days
Primary

Number of Hours of Headache

Time frame: 12 weeks

ArmMeasureValue (MEAN)
Active Stimulation (Treatment Group)Number of Hours of HeadacheNA Hours
Sham Stimulation (Control Group)Number of Hours of HeadacheNA Hours

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026