E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Tension-type headache |
Spændingshovedpine |
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E.1.1.1 | Medical condition in easily understood language |
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E.1.1.2 | Therapeutic area | Body processes [G] - Physiological processes [G07] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 19.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10043269 |
E.1.2 | Term | Tension headache |
E.1.2 | System Organ Class | 10029205 - Nervous system disorders |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To characterize a population of tension-type headache patients by means of phenotyping and genotyping into different groups that would facilitate the selection of adequate treatment for each individual patient. |
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E.2.2 | Secondary objectives of the trial |
1 - To assess if the response to treatment with mirtazapine of TTH patients can be predicted by conditioned pain modulation. 2- To investigate the expression of NO, TNF-α, IL-1β, IL-6 and β2- and β3-adrenergic receptors in nerve fibers of muscles of Tension-type headache patients and controls. |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
TTH participants: • Patients must fulfill the ICHD-3 criteria for either FETTH or CTTH • Taking or will be taking mirtazapine for prophylaxis of TTH • Between 18 and 65 years of age • Fertile women must use adequate contraception (oral contraceptive pills, intrauterine devices or birth control implant) • Participants must agree to participate in the study and sign informed consent Healthy participants • Between 18 and 65 years of age • Fertile women must use adequate contraception (oral contraceptive pills, intrauterine devices or birth control implant) • Participants must agree to participate in the study and sign informed consent
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E.4 | Principal exclusion criteria |
• No psychiatric or major medical conditions currently or in the past 12 months • No concurrent headache, pain symptoms or diagnoses other than that of TTH • Diagnosis of cancer presently or in the past 5 years • Abuse of drugs including alcohol • Diagnosis of Raynaud’s phenomenon • Having gone through a sympathectomy procedure • Diagnosis of cardiovascular disease • Diagnosis of lung insufficiency, including bronchial asthma • Diagnosis of diabetes mellitus • Pregnancy • Lactation • Students who are currently taught by any of the people related to the project • Participants who cannot follow the study protocol • Participants who do not agree to comply with the requirements for participation in all sessions concerning times, food intake and physical activity.
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E.5 End points |
E.5.1 | Primary end point(s) |
The primary efficacy variables are number of headache days, severity of headache (on a 0-10 scale attack where where "0" is no pain/discomfort and "10" is the worst pain/discomfort) and amount of rescue medication taken. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
At baseline, 1 month after baseline and 2 months after baseline. |
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E.5.2 | Secondary end point(s) |
The secondary variables are a modified total tenderness score (TTS) (0 to 100 scale with 0 being "no sensation whatsoever", 1 to 49 being "sensation of pressure but the stimulus is not painful", 50 being "barely painful" and 100 being "the most painful imaginable"), Quantitative sensory testing scores (QST), changes in PPTs during the conditioned pain modulation (CPM) paradigm, amount of expression of NO, TNF-α, IL-1β, IL-6 and β2- and β3-adrenergic receptors in nerve fibers of the assessed muscles and autonomic nervous system (ANS) variables such as heart rate variability. |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
TTS, QST, CPM and ANS parameters will be assessed at baseline, 1 month after baseline and 2 months after baseline. Assessment of expression of NO, TNF-α, IL-1β, IL-6 and β2- and β3- adrenergic receptors in nerve fibers of the assessed muscles will be done at baseline and 2 months after baseline. |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | Yes |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | No |
E.6.4 | Safety | No |
E.6.5 | Efficacy | No |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | No |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | Yes |
E.8.2.3.1 | Comparator description |
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E.8.2.4 | Number of treatment arms in the trial | 1 |
E.8.3 |
The trial involves single site in the Member State concerned
| Yes |
E.8.4 | The trial involves multiple sites in the Member State concerned | No |
E.8.5 | The trial involves multiple Member States | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 2 |
E.8.9.1 | In the Member State concerned months | 2 |
E.8.9.1 | In the Member State concerned days | |