| Not Yet Recruiting | Selective Activation of the Adrenomedullin Receptors in Migraine Migraine, Brain Diseases, Central Nervous System Diseases | N/A | 2026-03-10 |
| Not Yet Recruiting | Induction of Migraine Attacks With Aura Using Pituitary Adenylate Cyclase Activating Polypeptide-38 Migraine With Aura, Migraine Aura | N/A | 2026-02-01 |
| Not Yet Recruiting | Amylin-Induced Migraine Attacks Without Aura Headache Disorders, Primary, Headache Disorders, Brain Diseases | N/A | 2026-02-01 |
| Not Yet Recruiting | Hypersensitivity to Amylin in Post-Traumatic Headache Headache Disorders, Secondary, Brain Diseases, Headache Disorders | N/A | 2026-02-01 |
| Recruiting | Hypersensitivity to Adrenomedullin in Post-Traumatic Headache Posttraumatic Headache | N/A | 2025-08-01 |
| Recruiting | Induction of Migraine Attacks With Aura Using Calcitonin Gene-Related Peptide Migraine Aura, Migraine With Aura | N/A | 2025-06-27 |
| Recruiting | Substance P-Induced Migraine Attacks Without Aura Migraine | N/A | 2025-05-13 |
| Enrolling By Invitation | Muscle Function and Tenderness Differences in Headache Patients Migraine, Tension Headache, Posttraumatic Headache | — | 2025-02-28 |
| Recruiting | Safety and Efficacy of Botulinum Toxin A in Patients With Posttraumatic Headache Posttraumatic Headache | Phase 3 | 2025-01-10 |
| Enrolling By Invitation | Pathophysiology and Treatment of Cerebrospinal Hypotension Exploration Study Spontaneous Intracranial Hypotension, Intracranial Hypotension, Post-Lumbar Puncture Headache | — | 2024-12-10 |
| Not Yet Recruiting | Effects of Substance P on Headache Induction in Healthy Individuals Healthy Volunteers Only | N/A | 2024-10-14 |
| Recruiting | Investigation of Functional Brain Features in Women with Migraine Migraine | — | 2024-04-10 |
| Unknown | Muscle Function and Strength Training of the Neck and Shoulder in Migraine and Tension-type Headache Patients. Migraine, Tension-Type Headache, Neck Pain | N/A | 2023-10-06 |
| Completed | Effect of Riocigaut on Migraine Attack Induction in People With Migraine Migraine Without Aura | N/A | 2023-06-01 |
| Completed | Effect of Sildenafil in Individuals With Migraine Pretreated With Erenumab Migraine Without Aura | N/A | 2023-04-20 |
| Completed | Effect of Levcromakalim in Individuals With Migraine Pretreated With Erenumab Migraine Without Aura | N/A | 2023-03-09 |
| Completed | Migraine Induction Properties of PACAP-38 After Eptinezumab in Migraine Without Aura Patients. Migraine | N/A | 2023-03-01 |
| Unknown | Hypersensitivity to Phosphodiesterase 5 Inhibition in Post-Traumatic Headache Post-Traumatic Headache | N/A | 2023-01-02 |
| Completed | Effect of Riocigaut on Cerebral Vasodilation and Headache Induction in Healthy Volunteers Headache | N/A | 2022-10-26 |
| Unknown | Hypersensitivity to Phosphodiesterase 3 Inhibition in Post-Traumatic Headache Post-Traumatic Headache | N/A | 2022-10-25 |
| Unknown | Hypersensitivity to Opening of BKCa Channels in Post-Traumatic Headache Post-Traumatic Headache | N/A | 2022-09-01 |
| Unknown | The Involvement of ATP Sensitive Potassium Channel in Migraine Aura and Migraine Pain. Headache, Migraine With Aura, Migraine Without Aura | N/A | 2022-09-01 |
| Unknown | Hypersensitivity to PACAP-38 in Post-Traumatic Headache Post-Traumatic Headache | N/A | 2022-06-16 |
| Terminated | Evaluation of the Efficacy of Diclofenac Potassium and Rimegepant for the Acute Treatment of Migraine Migraine With Aura, Migraine Without Aura | Phase 4 | 2022-05-05 |
| Completed | Hypersensitivity to Opening of ATP-Sensitive Potassium Channels in Post-Traumatic Headache Post-Traumatic Headache | N/A | 2022-03-21 |
| Completed | Effect of Sumatriptan on Levcromakalim-Induced Symptoms in Individuals With Migraine Migraine Without Aura, Headache | N/A | 2022-03-15 |
| Unknown | Headache Inducing Effect of NN414 in Migraine Patients Headache, Migraine | N/A | 2022-02-25 |
| Completed | Migraine Inducing Effect of Levcromakalim in Patients With Migraine With Aura Headache, Migraine, Aura | N/A | 2021-09-29 |
| Completed | Post-traumatic Headache Multidisciplinary Study Post-Traumatic Headache, Post-Concussion Syndrome | — | 2021-09-01 |
| Completed | The Effects of Levcromakalim in Patients With Cluster Headache Cluster Headache | N/A | 2021-06-04 |
| Completed | Effect of Ivabradine on Levcromakalim-Induced Symptoms in Individuals With Migraine Without Aura (ILIM) Headache, Migraine Without Aura | N/A | 2021-05-11 |
| Completed | Pathophysiological Mechanisms of Trigeminal Neuralgia - Neurophysiological Assessment of the Blink-reflex Trigeminal Neuralgia | — | 2021-05-01 |
| Completed | Examination of Muscle Stiffness, Tenderness and Pressure Pain Thresholds During a Cycle of Botulinum Toxin A T Chronic Migraine | — | 2021-05-01 |
| Completed | Investigating the Frequency and Phenotype of Headaches Associated With Fasting During the Month of Ramadan. Headache, Migraine | — | 2021-03-16 |
| Completed | The Effect of Adenosine on Cranial Hemodynamic, Headache and Migraine Induction Properties. Headache, Migraine | N/A | 2020-11-01 |
| Unknown | Registry for Migraine - Structural and Functional MRI Before and After Erenumab Treatment Migraine, Headache | Phase 4 | 2020-10-22 |
| Completed | The Hemodynamic Effects of PACAP38 After Glibenclamide Administration in Healthy Volunteers Migraine, Headache, Pain | N/A | 2020-10-20 |
| Unknown | Hypersensitivity to CGRP as a Predictive Biomarker of Migraine Prevention With Erenumab Migraine | Phase 4 | 2020-10-08 |
| Unknown | Registry for Migraine - Clinical Core Migraine | Phase 4 | 2020-09-25 |
| Unknown | The Effect of Anti-calcitonin Gene-related Peptide (CGRP) Receptor Antibodies on the Headache Inducing Propert Migraine, Migraine Without Aura, Migraine With Aura | N/A | 2020-07-22 |
| Completed | The Effects of a Long-lasting Infusion of Vasoactive Intestinal Peptide (VIP) in Episodic Migraine Patients Migraine, Pain, Neurologic Manifestations | N/A | 2020-05-19 |
| Completed | Improved Treatment Course for Patients With Migraine and Tension-type Headache Migraine, Tension-Type Headache | N/A | 2020-05-01 |
| Completed | The Hemodynamic Effects of CGRP After Glibenclamide Administration in Healthy Volunteers Hemodynamics of Cranial Arteries, Headache, Cerebral Blood Flow | N/A | 2020-01-20 |
| Unknown | Investigation of Vasodilation and Intensity of Headache Triggered by Glucagon Like Peptide-1 in Humans Headache, Migraine | N/A | 2020-01-09 |
| Completed | Assessment of ICP in Idiopathic Intracranial Hypertension Using Transocular Ultrasound and Transcranial Dopple Idiopathic Intracranial Hypertension | N/A | 2020-01-01 |
| Completed | Validation of the TMD Pain Screener in a Specialized Headache Center Temporomandibular Disorder, Headache Disorders | — | 2019-12-06 |
| Unknown | Jaw Muscle Function in Patients With Tension-type Headache Headache Disorders, Tension-Type Headache | — | 2019-12-06 |
| Completed | Headache Provocation of People Who Are Unable to Have Headache Headache, Healthy | N/A | 2019-12-02 |
| Unknown | Efficacy and Tolerability of Erenumab in Patients With Trigeminal Neuralgia Trigeminal Neuralgia | Phase 2 | 2019-10-28 |
| Completed | Multiomics After Headache Provocation of People Who Are Unable to Have Headache Headache, Healthy | N/A | 2019-10-10 |
| Completed | Multiomics After Cold Pressor Test of People Who Are Unable to Have Headache Headache, Headache Disorders, Healthy | N/A | 2019-10-01 |
| Completed | Pain Perception of People Who Are Unable to Have Headache Headache, Pain, Head, Muscle Tenderness | — | 2019-10-01 |
| Completed | Adrenomedullin Effect on Migraine Without Patients Headache, Migraine | N/A | 2019-09-28 |
| Completed | Endocrinological Profile in Patients With Medication-overuse Headache Before and After Withdrawal Therapy Endocrine Disorder, Deficiency, Medication Overuse Headache | — | 2019-08-01 |
| Completed | Headache Inducing Effect of Levcromakalim in Migraine With Aura Patients Headache, Migraine, Aura | N/A | 2019-07-09 |
| Completed | The Effects of a Long-lasting Infusion of Vasoactive Intestinal Peptide (VIP) on Headache, Cranial Hemodynamic Headache Disorders | N/A | 2019-06-14 |
| Completed | Efficacy and Tolerability of Erenumab in the Prophylactic Treatment of Persistent Post-Traumatic Headache Post-Traumatic Headache, Mild Traumatic Brain Injury, Post-Concussion Syndrome | Phase 2 | 2019-04-05 |
| Unknown | The Hemodynamics Effect of Glibenclamide on Levcromakalim Assessed by High Resolution Magnetic Resonance Angio Hemodynamics of Cranial Arteries, Headache, Cerebral Blood Flow | N/A | 2019-04-01 |
| Completed | The Effects of Maxipost (BMS 204352) on Cerebral Hemodynamic and Headache in Healthy Volunteers and Migraine P Headache, Migraine | N/A | 2019-04-01 |
| Completed | PACAP38 Induced Headache and Rosacea-like Symptoms in Patients With Rosacea Rosacea | N/A | 2018-11-12 |
| Completed | Phenytoin as Treatment for Acute Exacerbations of Trigeminal Neuralgia - a Prospective Systematic Study of 20 Trigeminal Neuralgia | — | 2018-11-01 |
| Completed | Peripheral Nociceptive Effects of Levcromakalim Pain, Levcromakalim | N/A | 2018-11-01 |
| Completed | Deep Phenotyping of Rosacea and Migraine Migraine, Rosacea | — | 2018-09-14 |
| Completed | Day to Day Variation of Pressure Pain Threshold and Muscle Hardness Migraine Disorders, Tenderness, Muscle, Headache Disorders | — | 2018-09-01 |
| Completed | The Role of Inflammation and Vasodilatation in PACAP38-induced Headache Using MRI on Healthy Subjects Headache | N/A | 2018-08-01 |
| Completed | Clinical Characteristics and Pathophysiology of Post-Traumatic Headache Post-Traumatic Headache, Concussion, Mild | N/A | 2018-07-26 |
| Completed | PACAP38 Induced Headache, Migraine and Flushing in Patients With Migraine Migraine Without Aura | N/A | 2018-07-17 |
| Completed | Amylin and CGRP Head to Head Provocation in Migraine Without Aura Patients Migraine Without Aura | N/A | 2018-07-01 |
| Completed | The Effect of Levcromakalim Infusion on the Cranial Arteries Over Several Hours Using a High Resolution MRA Te Dilatation of Cranial Arteries; MMA, STA and MCA, Headache | N/A | 2018-06-26 |
| Completed | The Effect of PACAP27 on the Extra- and Intracerebral Arteries Assessed by Magnetic Resonance Angiography (MRA Headache, Migraine | N/A | 2018-05-31 |
| Completed | The Effect of Sumatriptan and Placebo on CGRP Induced Headache Migraine | N/A | 2018-02-15 |
| Recruiting | Diagnostic and Prognostic Biomarkers of Idiopathic Intracranial Hypertension Benign Intracranial Hypertension | — | 2018-02-14 |
| Unknown | PACAP-38 Infusion in Patients With Cluster Headache Cluster Headache | N/A | 2018-01-01 |
| Completed | The Effect of Sumatriptan and Placebo Injection on Cilostazol Induced Headache Migraine | N/A | 2017-11-01 |
| Completed | Carbon Monoxide Headache Triggering Properties as Well as Effects on the Brain's Vessels and Blood Flow Headache Disorders | N/A | 2017-10-01 |
| Completed | PACAP27 Headache Properties in Migraine Without Aura Patients Migraine Without Aura | N/A | 2017-08-30 |
| Completed | Muscle Tenderness and Hardness in Migraine Patients Migraine Disorders, Muscle Tenderness, Headache Disorders, Primary | — | 2017-08-13 |
| Completed | Headache Inducing Effect of Cromakalim in Migraine Patients Headache, Migraine | N/A | 2017-05-24 |
| Completed | Pretreatment With Sumatriptan on Cilostazol Induced Headache in Healthy Volunteers Migraine | N/A | 2017-05-23 |
| Completed | The Effect of Intravenous L-kynurenine (LKYN) on Cerebral Hemodynamics in Healthy Volunteers Headache | Phase 1 | 2017-03-01 |
| Unknown | Is Detoxification Needed in Medication-overuse Headache? Medication Overuse Headache | N/A | 2016-10-24 |
| Completed | Carbon Monoxide Migraine-inducing Effects in Patients With Migraine Without Aura. Headache, Migraine | N/A | 2016-10-01 |
| Unknown | Pharmacologically Triggered Migraine Without Aura and Neuroimaging Migraine With Aura | N/A | 2016-08-01 |
| Completed | Circadian Rhythm and Attack-timing in Episodic Cluster Headache Patients in- and Outside of Bout: an Actigraph Cluster Headache | — | 2016-07-01 |
| Unknown | CGRP-induced Migraine Attacks in Patients Who Have Tried Anti-CGRP Monoclonal Antibody Treatment Migraine | N/A | 2016-07-01 |
| Completed | Muscle Soreness and Stiffness in Patients With Chronic or Frequent Episodic Tension Type Headache. Tension-type Headache | N/A | 2016-03-01 |
| Completed | Sleep in Cluster Headache: Sleep Parameters in- and Outside a Cluster Bout Cluster Headache | — | 2016-01-01 |
| Completed | Classical Trigeminal Neuralgia and Sodium Channel Mutations Trigeminal Neuralgia | — | 2015-11-01 |
| Completed | Transcriptomic and Biochemical Changes During a Migraine Attack Migraine | — | 2015-08-01 |
| Completed | Investigation of Vascular Inflammation in Migraine Using Molecular Nano-imaging and Black Blood Imaging MRI Migraine Headache, Migraine Without Aura | N/A | 2015-08-01 |
| Completed | Physiological Changes With SPG Stimulation in Migraine Patients Chronic Migraine | N/A | 2015-07-01 |
| Completed | SPG Neurostimulation in Cluster Patients Chronic Cluster Headache | N/A | 2015-07-01 |
| Completed | The Effect of Sumatriptan and Placebo on Cilostazol Induced Headache Migraine | N/A | 2015-06-01 |
| Completed | CGRP's Cluster Headache Inducing Abilities in Cluster Headache Patients Cluster Headache | N/A | 2015-06-01 |
| Completed | The Effect of Sumatriptan and Placebo on Isosorbide-5-mononitrate Induced Headache Migraine | N/A | 2015-04-01 |
| Completed | Investigation of Serotonin Receptor Binding in the Migraine Brain Using Positron Emission Tomography Migraine Without Aura | — | 2015-01-01 |
| Completed | PACAP Induced Migraine Attacks in Patients With High and Low Genetic Load Migraine Without Aura | N/A | 2014-06-01 |
| Completed | Carbon Monoxide's Headache Inducing Characteristics and Effects on the Cerebral Arteries and Blood Flow Headache, Migraine | N/A | 2014-02-01 |
| Completed | Comparison of Two Detoxification Protocols for Treatment of Medication-overuse Headache Medication-overuse Headache | N/A | 2013-09-01 |
| Completed | CGRP Induced Migraine Attacks in Patients With High and Low Genetic Load Migraine Without Aura | N/A | 2013-06-01 |
| Completed | The Headache Inducing Effects of Cilostazol on Migraine Patients Migraine | N/A | 2013-04-01 |
| Completed | Migraine With Aura Inducing Characteristics and Effects on the Cerebral Arteries and Blood Flow by Hypoxia Headache, Migraine, Aura | N/A | 2013-04-01 |
| Completed | Acetazolamide's Headache Inducing Characteristics and Effects on the Cerebral Arteries and Blood Flow Headache, Migraine | N/A | 2012-12-01 |
| Completed | Exercise in Migraine and Co-existing Tension-type Headache and Neck Pain Migraine, Tension-type Headache, Neck Pain | N/A | 2012-11-01 |
| Completed | Natriuretic Peptide's Headache Inducing Characteristics and Effects on the Cerebral Blood Flow Headache, Migraine | N/A | 2012-07-01 |
| Completed | Efficacy and Complications of Microvascular Decompression Trigeminal Neuralgia | — | 2012-05-01 |
| Completed | Prognosis of Trigeminal Neuralgia When Enrolled in a Multidisciplinary Management Program Trigeminal Neuralgia | — | 2012-05-01 |
| Completed | Prostaglandin F2alpha in a Human Headache Model Headache | N/A | 2010-09-01 |
| Completed | Muscle Strength in Shoulder and Neck Muscles in Tension Type Headache Patients. Effect of Specific Strength Tr Tension-Type Headache | N/A | 2010-05-01 |
| Completed | EP4-receptor Antagonism and Prostaglandin E2 (PGE2) in a Human Headache Model Headache, Migraine | Phase 1 / Phase 2 | 2009-08-01 |
| Unknown | Study of the Safety and Effectiveness of NXN-188 for the Acute Treatment of Migraine Attacks With Aura Migraine With Aura | Phase 2 | 2009-05-01 |
| Completed | Calcitonin Gene-related Peptide in Familial Hemiplegic Migraine (FHM) and Migraine With Aura (MA) Familial Hemiplegic Migraine, Migraine With Aura, Healthy | N/A | 2008-05-01 |
| Completed | Glyceryl-Trinitrate-Induced Headache in Patients With Familial Hemiplegic Migraine Familial Hemiplegic Migraine | N/A | 2007-10-01 |
| Completed | Carbachols Headache-inducing Effect and Changes in Cerebral Blood Flow in Migraine Patients Headache | N/A | 2007-08-01 |
| Completed | Neuropeptides in the Humane Intra- og Extracerebral Circulation. Healthy, Migraine | N/A | 2007-01-01 |
| Completed | PACAP38´s (Pituitary Adenylate Cyclase-Activating Polypeptide) Headache Inducing Characteristics and Effects o Migraine Without Aura | N/A | 2006-11-01 |
| Completed | Functional MRI (fMRI) in CGRP Induced Migraine Migraine Without Aura | N/A | 2006-09-01 |
| Completed | Headache Inducing Characteristics and Possible Changes in Cerebral Blood Flow After Administration of PGE2 Headache, Migraine | N/A | 2006-08-01 |
| Unknown | The Effect of Glyceryl Trinitate and Diamox on Cerebral Haemodynamics. Migraine | N/A | 2006-08-01 |
| Completed | Calcitonin Gene Related Peptide-Induced Headache in Patients With Familial Hemiplegic Migraine Type 1 and 2. Familial Hemiplegic Migraine | N/A | 2006-07-01 |
| Completed | Carbachol´s Headache Inducing Characteristics and Effects on the Cerebral Blood Flow Headache | — | 2006-07-01 |
| Completed | Prophylactic Effect of Memantine in Chronic Tension-Type Headache Tension-Type Headache | Phase 3 | 2006-05-01 |
| Terminated | PGI2 Induced Headache and Cerebral Haemodynamics in Healthy Volunteers Headache, Migraine | Phase 1 | 2005-09-01 |
| Completed | Glyceryl-Trinitrate-Induced Headache in Patients With Familial Hemiplegic Migraine Type 1 and 2 Familial Hemiplegic Migraine Type 1 and 2, Healthy Volunteers | N/A | 2005-04-01 |
| Completed | Hemodynamic and Headache-Inducing Effect of Intravenous Vasoactive Intestinal Peptide in Migraineurs Headache, Migraine, Vasoactive Intestinal Peptide | N/A | 2004-10-01 |
| Completed | The Diameter of the Middle Cerebral Artery Measured With Magnetic Resonance Angiography Headache, Migraine, MR-Angiography | N/A | 2004-06-01 |
| Completed | Experimental Headache Induced by Vasoactive Intestinal Polypeptide Healthy Volunteers, Headache, Migraine, Hemodynamics, VIP, SPECT, Ultrasound | N/A | 2003-12-01 |
| Unknown | Cortical Reorganisation in Patients With Primary Headache Disorders Migraine Without Aura, Chronic Tension-Type Headache | — | — |
| Unknown | Effect of GTN and Diamox Measured by BOLD-Response. Healthy | N/A | — |