- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01854385
Sumatriptan as Treatment for Post-traumatic Headache (TWIST)
Sumatriptan as Treatment for Moderate to Severe Post-Traumatic Headache
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
I. Specific Aims of Study: The ultimate aim of this Phase II open-label study is to test the research methods and approach necessary to successfully carry out a Phase III study for the treatment of post-traumatic headache (PTH). During this study, we will
- Determine the feasibility of using a headache diary accessed via smart phone application, the web, or paper/pencil to record accurate headache data in a group of individuals with TBI, and their caregivers as indicated.
- Evaluate the approximate effect size of sumatriptan on pain severity, duration, and recurrence of headaches in persons with moderate to severe PTH in order to establish the necessary sample size for a Phase III study.
- Assess the side effect profile of sumatriptan in a brain-injured population as well as the safety of sumatriptan in subjects with TBI.
- Evaluate the ability of persons with TBI, and their caregivers as indicated, to successfully use abortive headache medications and comply with treatment.
- Examine the relationship between PTH and cognitive, emotional, and other self-report measures to determine important factors to include in a Phase III study.
This is a single arm, unblinded study enrolling 40 subjects and is being undertaken to test necessary study instruments and procedures, establish feasibility and determine side effects in a population with mild complicated, moderate or severe TBI in preparation for a subsequent Phase III study.
Data collection will occur at enrollment (Clinic Visit 1) at which baseline testing will occur, Day 30 (Clinic Visit 2), and Day 90 (Clinic Visit 3).
Pre-treatment Visit (Visit 1): Subjects who complete informed consent and meet the inclusion criteria (with no exclusion criteria) will be asked to complete 30 days of headache diary to document the number of headaches, headache severity, headache days and description of their headache and associated symptoms. Research staff will contact them on a weekly basis to answer questions and maximize accuracy and compliance with the diary. Proper utilization of a headache diary and success of data input by the subject and caregiver will be evaluated following weekly interviews with the research assistant.
Treatment Visit (Clinic Visit 2):
A medical history will be obtained to review inclusion and exclusion criteria and to elicit a thorough review of systems so that adverse events will be identifiable if they occur. Physical examination will also ensure that cardiovascular status is compatible with sumatriptan use and will document current status to allow for identification of potential adverse events. Finally, standard primary headache classification criteria will be reviewed with each patient to determine whether they meet criteria for migraine or probable migraine. Headache histories will be assessed and subjects that have experienced between 4-15 headaches will be included in the medication intervention with Sumatriptan. Subjects who qualify for the Sumatriptan intervention will receive several assessments, given medication, usage instructions, and scheduled for weekly phone calls for weeks 5-11. Individuals whose headaches do not meet criteria for migraine or probable migraine, based on data from headache diaries, will have their participation in the study end.
Weekly Telephone Follow-Up Calls: Research staff will call each participant weekly to check on compliance with drug diary use during the first month of the study (Weekly calls 1-3) to check on compliance in diary usage. For weekly calls in weeks 5-11 (for the intervention participants), research staff will inquire about study drug usage, and query for adverse events. Use of rescue medications for headache will be recorded. In the case of minor adverse effects which are bothersome to the patient, the dosage will be decreased by ½ pill per use.
Follow up Visit (Visit 3). This will be the final visit for the subjects. Vital signs will be obtained. Drug containers and headache diaries will be collected from all subjects. Outcome measures will be administered.
Use of sumatriptan and rescue drug: Two packages of nine (9) sumatriptan 100- mg. pills (18 pills total for 2 months of treatment) will be dispensed to each subject on Day 30 once they have gone through baseline assessment. On average, this will treat a minimum of 5 headaches or a maximum of 9 headaches per month. Subjects will be instructed to take the sumatriptan at the onset of headache pain. If subjects are not pain free at 2 hours after the first dose of study medication, they will be allowed to take one additional pill, but will be limited to 2 pills in a 24 hour period. Subjects will be instructed to take no more than 9 pills in a 30 day period based on research which suggests that additional dosages may increase the risk of medication-overuse headache. A list of appropriate medications will be provided that they can use if they: 1) continue to have headache pain 2 hours after their second dose of study drug, or 2) they have used their 30 day supply of study drug within the month. All subjects will be contacted by telephone on a weekly basis to review their headache diaries, assess potential adverse events, review compliance with use of the study drug, assess other treatments being utilized, and answer any questions.
Data Analysis: Data analysis for the feasibility and safety aims will be primarily descriptive. The investigators will calculate the percent of subjects who used the diary successfully, percent who stopped taking sumatriptan because of side effects, percent who experienced each adverse event, and percent who were able to maintain compliance with treatment. A confidence interval will be determined for each estimate. To get preliminary data on efficacy of sumatriptan, headache control will be compared before and after the participants start taking sumatriptan. The investigators will calculate the percent of headaches that had complete resolution (pain free at 2 hours) for each person, during the initial (pre-intervention) month when they used their regular treatment and during the two months (intervention) when they treated headaches with sumatriptan and compare them using a paired t-test. The investigators will also examine different definitions of headache relief (pain free by 30 minutes, no more than mild pain (score <=1) by 30 minutes, no more than mild pain by 2 hours) to see if another outcome measure may have advantages for a future Phase III study. Any differences in compliance, side effects, and feasibility based on cognitive functioning will be described, as well as by other self-report and emotional health measures. Changes in these measures from pre to post treatment will also be examined to determine whether there is any change that occurs with treatment and which may be important variables to include in a Phase III study.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Washington
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Seattle, Washington, United States, 98195
- University of Washington Medical Center
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Seattle, Washington, United States, 98104
- Harborview Medical Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age 18-65. The lower age limit is set for ability to consent as an adult for research participation as well as being a minimum age for administration of most validated outcome measurements. The higher age limit is set to 65 to reduce likelihood of health issues which may be a contraindication to the use of sumatriptan and to meet recommendations by the International Headache Society.62
- Diagnosis of TBI occurring at least 3 months but not greater than 60 months before enrollment. Three months was chosen to include only those subjects who are having headache beyond their acute injury and 60 months to identify the ability of individuals with TBI and headache to use both a headache diary and the medication.
- Subject has at least four and up to a maximum of fifteen total headache days per month. Subject report of meeting this criteria will result in the subject entering the first month of the study. However, this frequency must be documented in headache diary to enter the treatment phase of the study.
- Headaches are classified as moderate to severe (2 or 3 on the 4 point pain scale: 0=no headache, 1=mild headache, 2=moderate headache, 3=severe headache). As above, headache severity must be documented in the month-long headache diary prior to entry into the treatment phase.
- Subject is able and willing to give written informed consent for participation in screening activities and to participate fully in the study if eligible. For those subjects who score below 25 on the Mini Mental Status Examination, there must be a caregiver willing to also be consented for participation in the study.
- Female subjects of childbearing potential must have a negative pregnancy test at enrollment, and agree to remain abstinent or use acceptable methods of birth control (i.e., hormonal contraceptives, intrauterine device, diaphragm with spermicide, cervical cap or sponge, condoms, or partner has had a vasectomy). Sumatriptan has been assigned to pregnancy category C by the FDA. Animal studies have revealed evidence of decreased fetal body weight, embryo lethality, and cervicothoracic vascular defects. There are no controlled data in human pregnancy and therefore, sumatriptan should only be given during pregnancy when benefit outweighs risk.
Exclusion Criteria:
- History of ischemic heart disease (angina pectoris, history of myocardial infarction, silent ischemia, Prinzmetal's angina/coronary vasospasm, ischemic bowel disease, or peripheral vascular disease) based on self-report or history of basilar or hemiplegic migraine.
- Uncontrolled hypertension at initial visit (sitting systolic pressure > 140 mm Hg, diastolic pressure > 90 mm Hg).
- Impaired renal or liver function by medical history.
- Subject has taken an MAO inhibitor within 2 weeks of screening because these drugs and sumatriptan use the same metabolic pathway.
- Subject has hypersensitivity reactions or other intolerance to sumatriptan or any other 5-HT 1B/1D-receptor agonists.
- If subjects have medication overuse headache in the opinion of the investigator (if using medication to treat acute headache on more than 15 days per month).
- Inability to speak or read English which would limit ability to interact with examiners and complete headache diary and other questionnaires during this study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Sumatriptan
Open label study of sumatriptan to treat post-traumatic headache.
Subjects will use sumatriptan 100 mg at the onset of headache pain and may repeat the dose if not pain-free in 2 hours.
Subjects will receive a maximum of 18 pills for use over two months.
Subjects will maintain a daily headache diary.
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This is a single-arm, unblinded study of treatment for post-traumatic headache with the open label medication sumatriptan and is being undertaken to test necessary study instruments and procedures, establish feasibility and determine side effects in a population with complicated mild, moderate and severe TBI.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Headache Relief
Time Frame: 1 month
|
percent of headaches that had complete resolution (pain free at 2 hours) for each person, during the initial (pre-intervention) month when they used their regular treatment and during the second of the two months (intervention) when they treated headaches with sumatriptan compared using a mixed-effects regression model.
Reported number is the difference in headache resolution from the pre-intervention headaches to the intervention headaches.
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1 month
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Adverse Events
Time Frame: 2 months
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The investigators will calculate the percent who stopped taking sumatriptan because of side effects, percent who experienced each adverse event.
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2 months
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Headache Diary Compliance
Time Frame: 1 month
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The investigators will calculate the mean percentage of headache diary completion of intervention subjects in the final month of participation.
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1 month
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Sumatriptan Compliance
Time Frame: 1 month
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Mean rate of headaches treated with sumatriptan in final month of intervention.
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1 month
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Jeanne M Hoffman, PhD, University of Washington
- Study Director: Leslie Kempthorne, University of Washington
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Pain
- Neurologic Manifestations
- Headache Disorders
- Headache Disorders, Secondary
- Headache
- Post-Traumatic Headache
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Serotonin Agents
- Serotonin 5-HT1 Receptor Agonists
- Serotonin Receptor Agonists
- Vasoconstrictor Agents
- Sumatriptan
Other Study ID Numbers
- 44912
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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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