MigrainePhase 3SunriseNCT04921384
Eptinezumab as Preventive Treatment of Migraine in Adults With Migraine
A Phase 3 study testing Eptinezumab in people with Migraine, run by H. Lundbeck A/S at 87 sites in 8 countries.
Trial summary
This study evaluates the efficacy of eptinezumab to prevent migraine in participants with chronic migraine. Read more about this study
- Who is it for?
- Ages 18 to 75 years
- Conditions the study is for
- Migraine
- What is being tested?
- Eptinezumab
- Type of treatment
- Injection or infusion
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 981 participants
- Where
- 87 sitesin 8 countries
- Study dates
- 29 May 2021to 17 Feb 2025
- Phase
- Phase 3
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 75 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- The participant has a diagnosis of CM as defined by IHS ICHD-3 guidelines confirmed at screening visit with a history of migraine onset at least 12 months prior to the Screening Visit.
- The participant has a migraine onset at ≤50 years of age.
- The participant has ≥8 migraine days per month for each month within the past 3 months prior to the Screening Visit.
- The participant fulfils the following criteria for migraine in prospectively collected information in the eDiary during the screening period:
- Migraine occurring on ≥8 days and headache occurring on ≥15 to ≤26 days.
- The participant has demonstrated compliance with the Headache eDiary by entry of data for at least 24 of the 28 days following the Screening Visit.
- The participant is aged ≥18 (≥20 for Taiwan) and ≤75 years at the Screening Visit.
Who cannot join
- The participant has received any medication targeting the calcitonin gene-related peptide (CGRP) pathway as preventive treatment of migraine.
- The participant has confounding and clinically significant pain syndromes, (for example, fibromyalgia, chronic low back pain, complex regional pain syndrome).
- The participant has a diagnosis of acute or active temporomandibular disorder.
- The participant has a history or diagnosis of chronic tension-type headache, hypnic headache, cluster headache, hemicrania continua, new daily persistent headache, or unusual migraine subtypes such as hemiplegic migraine (sporadic and familial), ophthalmoplegic migraine, migraine with brainstem aura and migraine with neurological accompaniments that are not typical of migraine aura (diplopia, altered consciousness, or long duration).
- The participant has a lifetime history of psychosis, bipolar mania, or dementia.
- Participants with other psychiatric conditions whose symptoms are not controlled or who have not been adequately treated for a minimum of 6 months prior to screening are also excluded.
- The participant has a history of clinically significant cardiovascular disease, including uncontrolled hypertension, vascular ischaemia or thromboembolic events (for example, cerebrovascular accident, deep vein thrombosis, or pulmonary embolism).
- Other inclusion and exclusion criteria may apply
Trial locations and contacts
87 sites in 8 countries.
87 sites in 8 countries
Japan27 sites
Moriyama Neurological Center Hospital
Edogawa-ku, Tokyo, 134-0085
DOI Clinic Internal Medicine
Hirosima Naka-ku, 730-0031
Nagamitsu Clinic
Hōfu, Yamaguchi, 7470802
Tokyo Dental College Ichikawa General Hospital
Ichikawa-Shi, Chiba, 272-0824
Atsuchi Neurosurgery Hospital
Kagoshima, 892-0842
Ikeda Neurosurgical Clinic
Kasuga, 816-0824
Jinnouchi Neurosurgery Clinic
Kasuga-shi, 816-0802
Shin Matsudakai Atago Hospital
Kochi, 780-0051
Tatsuoka Neurology Clinic
Kyoto Shimojo-ku, 680-8811
Dokkyo Medical University Hospital
Mibu-Machi, 321-0293
Shinagawa strings clinic
Minato-Ku, Tokyo, 108-0075
Mito Kyodo General Hospital
Mito, 310-0015
Iwate Medical University Uchimaru Medical Center
Morioka, Iwate, 020-8505
Tominaga Hospital
Naniwa-ku, 5560017
Makabe Clinic
Okayama-Shi Kita-Ku, Okayama-ken, 700-0964
Saitama Neuropsychiatric Institute
Saitama-shi, Saitama, 338-8577
Nakamura Memorial Hospital
Sapporo-Shi Chuo-Ku, Hokkaidô, 060-0061
Sendai Headache and Cranial Nerves Clinic
Sendai-Shi Taihaku-Ku, Miyagi, 982-0014
USUDA CLINIC for internal medicine
Setagaya-ku, Tokyo, 156-0043
Tokyo headache clinic
Shibuya-ku, 151-0051
Fukuuchi Pain Clinic
Shinjuku, Tokyo, 160-0017
Keio University Hospital
Shinjuku-Ku, Tokyo, 160-8582
Japanese Red Cross Shizuoka Hospital
Shizuoka, 420-0853
Suzuki Kei Yasuragi clinic
Tachikawa-Shi, Tokyo, 190-0001
Eiju General Hospital
Taitō City, 110-8645
Kitasato University Kitasato Institute Hospital
Tokyo, 108-8642
Toyota Memorial Hospital
Toyota-shi, 471-8513
China15 sites
The First Medical Center of The Chinese PLA General Hospital (301 Hospital)
Beijing, Beijing Municipality, 100853
Beijing Chaoyang Hospital Capital Medical University
Beijing, 100020
Xuanwu Hospital Capital Medical University
Beijing, 100053
The First Affiliated Hospital With Nanjing Medical University(Jiangsu Province Hospital)
Beijing, 610041
The First Hospital of Jilin University
Changchun, 130021
The Second Norman Bethune Hospital of Jilin University - Ziqiang Campus
Changchun, 130022
The First Affiliated Hospital of Chongqing Medical University
Chongqing, 400016
The First Affiliated Hospital of Guangzhou Medical University - Yanjiang Campus
Guangzhou, Guangdong, 510120
The Affiliated Hospital of Guizhou Medical University
Guiyang, 550000
Jiangxi Pingxiang People's Hospital
Pingxiang, 337055
Renmin Hospital of Wuhan University - Main Campus
Wuhan, Hubei, 430060
Union Hospital Tongji Medical College Huazhong University of Science and Technology
Wuhan, 430022
The First Affiliated Hospital of Xi'an Jiaotong University
Xi'an, 710061
People's Hospital of Zhengzhou
Zhengzhou, Henan, 450003
The First Affiliated Hospital of Zhengzhou University
Zhengzhou, 450052
Poland11 sites
Centrum Medyczne Gdynia - PRATIA - PPDS
Gdynia, Pomeranian Voivodeship, 81-338
Centrum Medyczne Silmedic Sp z o o
Katowice, Silesian Voivodeship, 40-282
Centrum Medyczne Katowice - PRATIA - PPDS
Katowice, 40-081
ETG Lublin - PPDS
Lublin, Lublin Voivodeship, 20-412
Instytut Zdrowia Dr Boczarska-Jedynak Sp. z o.o. Sp. k.
Oświęcim, Lesser Poland Voivodeship, 32-600
Solumed Centrum Medyczne
Poznan, Greater Poland Voivodeship, 60-101
Centrum Medyczne Kiepury Clinic
Sosnowiec, 41-209
MTZ Clinical Research Powered by PRATIA - PPDS
Warsaw, Masovian Voivodeship, 02-172
ETG Neuroscience - PPDS
Warsaw, Masovian Voivodeship, 02-677
MIGRE Polskie Centrum Leczenia Migreny Anna Gryglas-Dworak
Wroclaw, 52-210
ETG Zamosc - PPDS
Zamość, Lublin Voivodeship, 22-400
Spain11 sites
Hospital Universitario Vall d'Hebron - PPDS
Barcelona, 8035
C.H. Regional Reina Sofia - PPDS
Córdoba, 14008
Hospital Universitari Arnau de Vilanova
Lleida, 25198
Hospital Universitario La Paz - PPDS
Madrid, 28046
Hospital Universitario HM Sanchinarro - CIOCC
Madrid, 28050
Hospital Universitario Virgen Macarena
Seville, 41009
Hospital Universitario Virgen del Rocio - PPDS
Seville, 41013
Hospital Clinico Universitario de Valencia
Valencia, 46010
Hospital Universitari i Politecnic La Fe de Valencia
Valencia, 46026
Hospital Clinico Universitario de Valladolid
Valladolid, 47005
Hospital Clinico Universitario Lozano Blesa
Zaragoza, 50009
South Korea9 sites
Chungnam National University Hospital
Daejeon, 35015
Inje University Ilsan Paik Hospital
Goyang-si, Gyeonggido, 10380
Hallym University Dongtan Sacred Heart Hospital
Gyeonggi-do, 18450
Nowon Eulji Medical Center, Eulji University
Seoul, 01830
Seoul National University Hospital
Seoul, 03080
Kangbuk Samsung Hospital
Seoul, 03181
Severance Hospital Yonsei University Health System
Seoul, 03722
Asan Medical Center
Seoul, 05505
Samsung Medical Center
Seoul, 06351
Georgia7 sites
Malkhaz Katsiashvili Multiprofile Emergency Medicine Center -3 Nakalakevis Kucha
Tbilisi, 0101
Ltd Israel-Georgia Medical Research Clinic Helsicore
Tbilisi, 0112
Pineo Medical Ecosystem
Tbilisi, 0114
Aversi Clinic LTD
Tbilisi, 0160
MediClubGeorgia Ltd
Tbilisi, 0160
Multiprofile Clinic Consilium Medulla
Tbilisi, 0186
S. Khechinashvili University Clinic, Ltd.
Tbilisi, 179
Slovakia4 sites
MUDr. Beata Dupejova, Neurologicka ambulancia, s.r.o.
Banská Bystrica, 974 04
IN MEDIC, s.r.o.
Bardejov, 085 01
KONZILIUM s.r.o
Dubnica nad Váhom, 018 41
SANERA, s.r.o.
Prešov, 080 01
Taiwan3 sites
Taipei Veterans General Hospital
Taipei, 11217
Tri-Service General Hospital
Taipei, 11490
Chang Gung Memorial Hospital, Linkou
Taoyuan City, 33305
About this study
Official title: Interventional, Randomized, Double-blind, Parallel-group, Placebo-controlled Study to Evaluate Efficacy and Safety of Eptinezumab for the Preventive Treatment of Migraine
This study evaluates the efficacy of eptinezumab to prevent migraine in participants with chronic migraine.
Read the detailed description
This is an interventional, multi-regional, multi-site, randomized, double-blind, placebo-controlled Phase III study, to confirm the efficacy and safety of eptinezumab in participants with chronic migraine who are eligible for preventive treatment.
participants will be randomly allocated to one of three treatment groups: eptinezumab 300 mg, eptinezumab 100 mg, or placebo.
The double-blind, placebo-controlled treatment period will be followed by an extension period where all participants will receive active treatment to further assess the safety and tolerability of eptinezumab.
The total study duration from the Screening Visit to the Safety Follow-up Visit is approximately 36 weeks and includes a Screening Period (28-30 days), a Placebo-controlled Period (12 weeks), an Extension Period (12 weeks), and a Safety Follow-up Period (8 weeks).
- Conditions
- Migraine
- Being tested
- Placebo, Eptinezumab
- Medical subject headings
- Migraine Disorders
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
PlaceboDrug
0.9% normal saline, intravenously
EptinezumabDrug
Also called Lu AG09221
Solution for infusion, intravenously
| Study group | Role | What they receive |
|---|---|---|
| Eptinezumab 300 mg | Experimental | 300 mg eptinezumab by intravenous (IV) infusion. Receives: Drug: Eptinezumab |
| Eptinezumab 100 mg | Experimental | 100 mg eptinezumab by IV infusion. Receives: Drug: Eptinezumab |
| Placebo | Placebo comparator | Placebo by IV infusion. Receives: Drug: Placebo; Drug: Eptinezumab |
What is being measured
The primary outcome is the main question the study is designed to answer.
Change from baseline in the number of monthly migraine days (MMDs) (Weeks 1-12)
Measured: Weeks 1-12
Secondary outcomes (17)
Response: ≥50% reduction from baseline in MMDs (Weeks 1-12)
Measured: Weeks 1-12
Response: ≥75% reduction from baseline in MMDs (Weeks 1-4)
Measured: Weeks 1-4
Response: ≥75% reduction from baseline in MMDs, (Weeks 1-12)
Measured: Weeks 1-12
Migraine rate on the day after dosing
Measured: Day 1
Response: ≥50% reduction from baseline in monthly headache days (MHDs) (Weeks 1-12)
Measured: Weeks 1-12
Change from baseline in the number of MHDs (Weeks 1-12)
Measured: Weeks 1-12
Response: ≥75% reduction from baseline in MHDs (Weeks 1-4)
Measured: Weeks 1-4
Change from baseline in rate of migraines with severe pain intensity (Weeks 1-12)
Measured: Weeks 1-12
Change from baseline in rate of headaches with severe pain intensity (Weeks 1-12)
Measured: Weeks 1-12
Change from baseline in the number of MMDs with use of acute medication (Weeks 1-12)
Measured: Weeks 1-12
Patient Global Impression of Change (PGIC) score at week 12
Measured: Week 12
Most Bothersome Symptom (MBS) score at Week 12, as measured relative to Screening
Measured: Screening to Week 12
Change from baseline to Week 12 in the Headache Impact Test (HIT-6) score
Measured: Baseline to Week 12
Change from baseline to Week 12 in the Migraine-Specific Quality of Life (MSQ v2.1) sub-scores (Role Function-Restrictive, Role Function-Preventive, Emotional Function)
Measured: Baseline to Week 12
Change from baseline to Week 12 in the Health-Related Quality of Life (EQ-5D-5L) Visual Analogue Scale (VAS) score
Measured: Baseline to Week 12
Health Care Resources Utilization (HCRU)
Migraine-specific healthcare resource utilization information will be collected in terms of outpatient health care professional visits, emergency room visits, hospital admissions, as well as duration of hospital stays.
Measured: Baseline to Week 12
Change from baseline to Week 12 in the Work Productivity and Activity Impairment Questionnaire: Migraine (WPAI:M) sub-scores (Absenteeism, Presenteeism, Work productivity loss, Activity impairment)
Measured: Baseline to Week 12
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted10 Jun 2021
- Study start29 May 2021
- Primary completion1 Oct 2024
- Study completion17 Feb 2025
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for MigraineStudies of the same condition, open and under way.
- More trials run by H. Lundbeck A/SThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 3
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind
- Who is masked
- Participant, Investigator
- Enrolment
- 981 participants (actual)
Sponsor and investigators
- Lead sponsor
- H. Lundbeck A/S
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Email contact via H. Lundbeck A/S, Study director, LundbeckClinicalTrials@Lundbeck.com
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04921384
- Sponsor's protocol ID
- 19140A
- Other IDs
- 2020-001657-42
- Acronym
- Sunrise
- Status last verified
- Jan 2026
- First submitted
- 4 Jun 2021
- Last updated
- 14 Jan 2026
- Results posted
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
Publications
Yu S, Matsumori Y, Kim BK, Gryglas-Dworak A, Giorgadze G, Pozo-Rosich P, Krog Josiassen M, Ranc K, Ettrup A, Mittoux A, Sperling B, Takeshima T. Efficacy and safety of eptinezumab in a predominantly Asian population with chronic migraine: Results of the randomized, double-blind, placebo-controlled SUNRISE trial. Cephalalgia. 2025 Oct;45(10):3331024251386095. doi: 10.1177/03331024251386095. Epub 2025 Oct 15.
PubMed 41091746
Study at a glance
From the registry record, last updated by the sponsor on 14 Jan 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Interventional, Randomized, Double-blind, Parallel-group, Placebo-controlled Study to Evaluate Efficacy and Safety of Eptinezumab for the Preventive Treatment of Migraine
- ClinicalTrials.gov ID
- NCT04921384
- Acronym / sponsor ID
- Sunrise / 19140A
- Conditions
- Migraine
- Phase
- Phase 3
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 981 participants (actual)
- Lead sponsor
- H. Lundbeck A/SIndustry (pharma, biotech, devices)
- Study start
- 29 May 2021 (actual)
- Primary completion
- 1 Oct 2024 (actual)
- Study completion
- 17 Feb 2025 (actual)
- First posted
- 10 Jun 2021 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This study evaluates the efficacy of eptinezumab to prevent migraine in participants with chronic migraine.
Detailed description
This is an interventional, multi-regional, multi-site, randomized, double-blind, placebo-controlled Phase III study, to confirm the efficacy and safety of eptinezumab in participants with chronic migraine who are eligible for preventive treatment.
participants will be randomly allocated to one of three treatment groups: eptinezumab 300 mg, eptinezumab 100 mg, or placebo.
The double-blind, placebo-controlled treatment period will be followed by an extension period where all participants will receive active treatment to further assess the safety and tolerability of eptinezumab.
The total study duration from the Screening Visit to the Safety Follow-up Visit is approximately 36 weeks and includes a Screening Period (28-30 days), a Placebo-controlled Period (12 weeks), an Extension Period (12 weeks), and a Safety Follow-up Period (8 weeks).
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind (participant, investigator)
- Number of arms
- 3
| Arm | Type | Receives |
|---|---|---|
| Eptinezumab 300 mg | Experimental | Drug: Eptinezumab300 mg eptinezumab by intravenous (IV) infusion. |
| Eptinezumab 100 mg | Experimental | Drug: Eptinezumab100 mg eptinezumab by IV infusion. |
| Placebo | Placebo comparator | Drug: Placebo, Drug: EptinezumabPlacebo by IV infusion. |
Who may qualify
- Ages
- 18 to 75 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (7 listed)
- The participant has a diagnosis of CM as defined by IHS ICHD-3 guidelines confirmed at screening visit with a history of migraine onset at least 12 months prior to the Screening Visit.
- The participant has a migraine onset at ≤50 years of age.
- The participant has ≥8 migraine days per month for each month within the past 3 months prior to the Screening Visit.
- The participant fulfils the following criteria for migraine in prospectively collected information in the eDiary during the screening period:
- Migraine occurring on ≥8 days and headache occurring on ≥15 to ≤26 days.
Key exclusion criteria (8 listed)
- The participant has received any medication targeting the calcitonin gene-related peptide (CGRP) pathway as preventive treatment of migraine.
- The participant has confounding and clinically significant pain syndromes, (for example, fibromyalgia, chronic low back pain, complex regional pain syndrome).
- The participant has a diagnosis of acute or active temporomandibular disorder.
- The participant has a history or diagnosis of chronic tension-type headache, hypnic headache, cluster headache, hemicrania continua, new daily persistent headache, or unusual migraine subtypes such as hemiplegic migraine (sporadic and familial), ophthalmoplegic migraine, migraine with brainstem aura and migraine with neurological accompaniments that are not typical of migraine aura (diplopia, altered consciousness, or long duration).
- The participant has a lifetime history of psychosis, bipolar mania, or dementia.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Placebo0.9% normal saline, intravenously | Drug | Placebo |
| EptinezumabAlso: Lu AG09221Solution for infusion, intravenously | Drug | Eptinezumab 100 mg, Eptinezumab 300 mg, Placebo |
Primary outcome
Change from baseline in the number of monthly migraine days (MMDs) (Weeks 1-12)
Time frame: Weeks 1-12
17 secondary outcomes
Response: ≥50% reduction from baseline in MMDs (Weeks 1-12)
Time frame: Weeks 1-12
Response: ≥75% reduction from baseline in MMDs (Weeks 1-4)
Time frame: Weeks 1-4
Response: ≥75% reduction from baseline in MMDs, (Weeks 1-12)
Time frame: Weeks 1-12
Migraine rate on the day after dosing
Time frame: Day 1
Response: ≥50% reduction from baseline in monthly headache days (MHDs) (Weeks 1-12)
Time frame: Weeks 1-12
Change from baseline in the number of MHDs (Weeks 1-12)
Time frame: Weeks 1-12
Response: ≥75% reduction from baseline in MHDs (Weeks 1-4)
Time frame: Weeks 1-4
Change from baseline in rate of migraines with severe pain intensity (Weeks 1-12)
Time frame: Weeks 1-12
Change from baseline in rate of headaches with severe pain intensity (Weeks 1-12)
Time frame: Weeks 1-12
Change from baseline in the number of MMDs with use of acute medication (Weeks 1-12)
Time frame: Weeks 1-12
Patient Global Impression of Change (PGIC) score at week 12
Time frame: Week 12
Most Bothersome Symptom (MBS) score at Week 12, as measured relative to Screening
Time frame: Screening to Week 12
Change from baseline to Week 12 in the Headache Impact Test (HIT-6) score
Time frame: Baseline to Week 12
Change from baseline to Week 12 in the Migraine-Specific Quality of Life (MSQ v2.1) sub-scores (Role Function-Restrictive, Role Function-Preventive, Emotional Function)
Time frame: Baseline to Week 12
Change from baseline to Week 12 in the Health-Related Quality of Life (EQ-5D-5L) Visual Analogue Scale (VAS) score
Time frame: Baseline to Week 12
Health Care Resources Utilization (HCRU)
Time frame: Baseline to Week 12
Change from baseline to Week 12 in the Work Productivity and Activity Impairment Questionnaire: Migraine (WPAI:M) sub-scores (Absenteeism, Presenteeism, Work productivity loss, Activity impairment)
Time frame: Baseline to Week 12
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 14 Jan 2026.
- Derived from this study: PubMed 41091746Yu S, Matsumori Y, Kim BK, Gryglas-Dworak A, Giorgadze G, Pozo-Rosich P, Krog Josiassen M, Ranc K, Ettrup A, Mittoux A, Sperling B, Takeshima T. Efficacy and safety of eptinezumab in a predominantly Asian population with chronic migraine: Results of the randomized, double-blind, placebo-controlled SUNRISE trial. Cephalalgia. 2025 Oct;45(10):3331024251386095. doi: 10.1177/03331024251386095. Epub 2025 Oct 15.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Email contact via H. Lundbeck A/S study director
LundbeckClinicalTrials@Lundbeck.com
87 sites in 8 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 3 study testing Eptinezumab in people with Migraine, run by H. Lundbeck A/S at 87 sites in 8 countries.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 7 inclusion and 8 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 14 Jan 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 87 sites in Japan, China, Poland, Spain, South Korea and 3 more countries. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Change from baseline in the number of monthly migraine days (MMDs) (Weeks 1-12) (time frame: Weeks 1-12). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT04921384, which also lists 1 linked publication.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 14 Jan 2026.