A Clinical Trial to Evaluate Efficacy and Safety of Xeomin® Injections for Preventing Chronic Migraine
MINT-C
A Phase 3, Randomized, Double-blind, Placebo-controlled, Multicenter, Clinical Trial With Extension Period to Evaluate the Efficacy and Safety of Xeomin® Injections for the Prevention of Chronic Migraine
2 other identifiers
interventional
780
13 countries
106
Brief Summary
In this clinical trial, participants with chronic migraine will receive injections with Xeomin or Placebo into muscles of the head and neck. The purpose is to measure the change in monthly migraine days with Xeomin injections compared to Placebo injections. Trial details include:
- Trial duration: 52 to 55 weeks;
- Screening period: 4 to 5 weeks;
- Treatment duration: 4 treatments, each about 12 weeks apart; and
- Visit frequency: about every 4 weeks, 14 visits in total. The first and last visit and the 4 treatment visits are on-site, the other 8 visits are remote by phone / video call.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_3
Started Aug 2025
Typical duration for phase_3
106 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
June 4, 2025
CompletedFirst Posted
Study publicly available on registry
June 12, 2025
CompletedStudy Start
First participant enrolled
August 21, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 1, 2027
ExpectedStudy Completion
Last participant's last visit for all outcomes
March 1, 2028
April 29, 2026
April 1, 2026
2.1 years
June 4, 2025
April 24, 2026
Conditions
Outcome Measures
Primary Outcomes (1)
Change in monthly migraine days from baseline (28 days before baseline visit) to Month 6 (weeks 21 to 24 after first injection) - Dose A
Baseline to month 6
Secondary Outcomes (8)
Change in monthly migraine days from baseline (28 days before baseline visit) to Month 6 (weeks 21 to 24 after first injection) - Dose B
Baseline to month 6
Change in monthly headache days from baseline (28 days before baseline visit) to Month 6 (weeks 21 to 24 after first injection) - Dose A
Baseline to month 6
Change in monthly headache days from baseline (28 days before baseline visit) to Month 6 (weeks 21 to 24 after first injection) - Dose B
Baseline to month 6
Change in monthly acute migraine medication days from baseline (28 days before baseline visit) to Month 6 (weeks 21 to 24 after first injection) - Dose A
Baseline to month 6
Change in monthly acute migraine medication days from baseline (28 days before baseline visit) to Month 6 (weeks 21 to 24 after first injection) - Dose B
Baseline to month 6
- +3 more secondary outcomes
Study Arms (3)
Xeomin Dose A
EXPERIMENTALPlacebo-controlled period + extension period: Xeomin injections at pericranial and cervical points (dose A)
Xeomin Dose B
EXPERIMENTALPlacebo-controlled period + extension period: Xeomin injections at pericranial and cervical point (dose B)
Placebo
PLACEBO COMPARATORPlacebo-controlled period: Placebo injections at pericranial and cervical points. Extension period: Xeomin injections at pericranial and cervical points (dose A)
Interventions
Solution for injection prepared by reconstitution of powder with 0.9% Sodium Chloride (NaCl)
Solution for injection prepared by reconstitution of powder with 0.9% Sodium Chloride (NaCl)
Eligibility Criteria
You may qualify if:
- Participant has a diagnosis of CM with or without aura according to the International Classification of Headache Disorders Edition 3 criteria for ≥ 12 months and is able to distinguish migraine headaches from all other types of headaches;
- Participant age \< 50 years at the time of migraine onset;
- Participant meeting the following headache and migraine day criteria in each of the 3 months prior to screening: history of ≥ 15 headache days per month and history of ≥ 8 migraine days per month; and
- During the last 28 days of the screening period, participant experiencing: ≥ 15 headache days and ≥ 8 migraine days that qualify as such per the headache diary.
You may not qualify if:
- Diagnosis of other primary headache types, except tension-type headache, which is permitted;
- Diagnosis of aura without headache, migraine with brainstem aura, hemicrania continua, hypnic headache, hemiplegic migraine, retinal migraine, persistent aura without infarction, migraine aura-triggered seizure, or previous migrainous infarction;
- Diagnosis of secondary headache types, except medication overuse headache, which is permitted;
- Currently taking \> 1 prescribed drug for the preventive treatment of migraine;
- Discontinuation of anti-calcitonin gene-related peptide (CGRP) / anti-CGRP receptor monoclonal antibody treatment less than 5 months prior to screening.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (106)
TrialSphere Corp, Merz Investigational Site #0010513
Chandler, Arizona, 85286, United States
Arizona Neuroscience Research, Merz Investigational Site #0010521
Phoenix, Arizona, 85018, United States
Baptist Health Medical Center, Merz Investigational Site #0010520
Little Rock, Arkansas, 72205, United States
Chemidox Clinical Trials Inc, Merz Investigational Site #0010488
Lancaster, California, 93534, United States
Clinical Research Institute, Merz Investigational Site #0010487
Los Angeles, California, 90048, United States
BNL Health, Merz Investigational Site #0010501
Los Angeles, California, 90067, United States
Clinical Trials Management Services, Merz Investigational Site #0010526
Thousand Oaks, California, 91360, United States
Hasbani Neurology, Merz Investigational Site #0010509
New Haven, Connecticut, 06511, United States
Yale Center for Clinical Investigations, Merz Investigational Site #0010527
New Haven, Connecticut, 06519, United States
New England Institute Neurology and Headache, Merz Investigational Site #0010441
Stamford, Connecticut, 06905, United States
Northwest Florida Clinical Research Group, Merz Investigational Site #0010286
Gulf Breeze, Florida, 32561, United States
Nexus Clinical Research Center, Merz Investigational Site #0010514
Homestead, Florida, 33030, United States
Jacksonville Center for Clinical Research, Merz Investigational Site #0010515
Jacksonville, Florida, 32216, United States
Clinical Research of Central Florida, Merz Investigational Site #0010532
Lakeland, Florida, 33805, United States
American Research Institute, Merz Investigational Site #0010492
Miami, Florida, 33157, United States
Premiere Research Institute at Palm Beach Neurology, Merz Investigational Site #0010499
West Palm Beach, Florida, 33407, United States
Accel Research - NeuroStudies, Merz Investigational Site #0010523
Decatur, Georgia, 30030, United States
Hawaii Pacific Neuroscience, Merz Investigational Site #0010510
Honolulu, Hawaii, 96817, United States
Kansas Institute of Research,, Merz Investigational Site #0010495
Overland Park, Kansas, 66211, United States
Crescent City Headache and Neurology Center, Merz Investigational Site #0010517
Chalmette, Louisiana, 70043, United States
DelRicht Clinical Research, Merz Investigational Site #0010518
New Orleans, Louisiana, 70115, United States
Sinai Hospital of Baltimore, Merz Investigational Site #0010505
Baltimore, Maryland, 21215, United States
MedVadis Research, Merz Investigational Site #0010524
Waltham, Massachusetts, 02451, United States
Mass Institute of Clinical Research, Merz Investigational Site #0010506
Westborough, Massachusetts, 01581, United States
Vida Clinical Studies, Merz Investigational Site #0010498
Dearborn Heights, Michigan, 48127, United States
Quest Research Institute, Merz Investigational Site #0010484
Farmington Hills, Michigan, 48334, United States
StudyMetrix Research, Merz Investigational Site #0010530
City of Saint Peters, Missouri, 63303, United States
Quality Clinical Research, Merz Investigational Site #0010522
Omaha, Nebraska, 68114, United States
Dent Neurosciences Research Center, Merz Investigational Site #0010486
Amherst, New York, 14226, United States
Integrative Clinical Trials, Merz Investigational Site #0010496
Brooklyn, New York, 11229, United States
New York Neurology Associates, Merz Investigational Site #0010500
New York, New York, 10003, United States
True North Neurology, Merz Investigational Site #0010508
Port Jefferson Station, New York, 11776, United States
Rochester Clinical Research, Merz Investigational Site #0010512
Rochester, New York, 14609, United States
Upstate Clinical Research Associates, Merz Investigational Site #0010485
Williamsville, New York, 14221, United States
Dayton Center for Neurological Disorders, Merz Investigational Site #0010531
Centerville, Ohio, 45459, United States
Headache Center of Hope, Merz Investigational Site #0010528
Cincinnati, Ohio, 45236, United States
University Hospitals Cleveland Medical Center, Merz Investigational Site #0010491
Cleveland, Ohio, 44106, United States
Tekton Research, Merz Investigational Site #0010494
Edmond, Oklahoma, 73013, United States
Coastal Neurology, Merz Investigational Site #0010503
Port Royal, South Carolina, 29935, United States
Alina Clinical Trials, Merz Investigational Site #0010511
Dallas, Texas, 75209, United States
Lone Star Neurology, Merz Investigational Site #0010497
Frisco, Texas, 75035, United States
MedStar Health - Department of Neurology, Merz Investigational Site #0010231
McLean, Virginia, 22101, United States
Gershon Pain Specialists, Merz Investigational Site #0010519
Virginia Beach, Virginia, 23454, United States
EvergreenHealth Research Department, Merz Investigational Site #0010516
Kirkland, Washington, 98034, United States
Gundersen Health System, Merz Investigational Site #0010507
La Crosse, Wisconsin, 54601, United States
Medical University of Innsbruck, Merz Investigational Site #0430043
Innsbruck, 6020, Austria
Klinikum Klagenfurt Am Wörthersee, Merz Investigational Site #0430042
Klagenfurt, 9020, Austria
Genge Partners Inc., Merz Investigational Site #0010525
Montreal, H4A 3T2, Canada
CaRe Clinic, Merz Investigational Site #0010504
Red Deer, T4P 1K4, Canada
Pratia Brno, Merz Investigational Site #4200053
Brno, 602 00, Czechia
Fakultní nemocnice Hradec Králové, Merz Investigational Site #4200056
Hradec Králové, 500 05, Czechia
CLINTRIAL, Merz Investigational Site #4200052
Prague, 100 00, Czechia
Axon Clinical, Merz Investigational Site #4200051
Prague, 150 00, Czechia
Neuropsychiatrie, Merz Investigational Site #4200054
Prague, 160 00, Czechia
Rigshospitalet-Glostrup, Merz Investigational Site #0450006
Glostrup Municipality, 2600, Denmark
CHU Clermont Ferrand, Merz Investigational Site #0330026
Clermont-Ferrand, 63000, France
Centre Hospitalier Universitaire Grenoble Alpes, Merz Investigational Site #0330069
La Tronche, 38700, France
CHU Nantes, Merz Investigational Site #0330068
Nantes, 44093, France
Charité - Universitätsmedizin Berlin, Merz Investigational Site #0490398
Berlin, 10117, Germany
Kopfschmerzzentrum Frankfurt, Merz Investigational Site #0490394
Frankfurt, 65929, Germany
Universitätsmedizin Greifswald, Merz Investigational Site #0490397
Greifswald, 17475, Germany
Vitos Orthopädische Klinik Kassel, Merz Investigational Site #0490396
Kassel, 34131, Germany
Schmerzklinik Kiel GmbH, Merz Investigational Site #0490395
Kiel, 24149, Germany
Azienda Ospedaliera Universitaria Careggi, Merz Investigational Site #0390023
Florence, 50134, Italy
Ospedale San Raffaele, Merz Investigational Site #0390027
Milan, 20132, Italy
Istituto Auxologico Italiano, Merz Investigational Site #0390024
Milan, 20149, Italy
Fondazione Istituto Neurologico Nazionale Casimiro Mondino, Merz Investigational Site #0390025
Pavia, 27100, Italy
IRCCS San Raffaele Roma, Merz Investigational Site #0390026
Roma, 00166, Italy
Centrum Medyczne Neuromed, Merz Investigational Site #0480117
Bydgoszcz, 85-163, Poland
AthleticoMed, Merz Investigational Site #0480127
Bydgoszcz, 85-752, Poland
ETG Debica, Merz Investigational Site #0480121
Dębica, 39-200, Poland
Centrum Medyczne Pratia Gdynia, Merz Investigational Site #0480126
Gdynia, 81-338, Poland
Silmedic Sp. z o.o., Merz Investigational Site #0480115
Katowice, 40-282, Poland
Jan Banach Research Spot, Merz Investigational Site #0480059
Krakow, 30-539, Poland
Pratia MCM, Merz Investigational Site #0480087
Krakow, 30-727, Poland
FutureMeds, Merz Investigational Site #0480125
Krakow, 31-501, Poland
Krakowska Akademia Neurologii, Merz Investigational Site #0480031
Krakow, 31-505, Poland
Neurocor, Merz Investigational Site #0480119
Krakow, 31-870, Poland
Clinirem, Merz Investigational Site #0480128
Lublin, 20-064, Poland
ETG Lublin, Merz Investigational Site #0480118
Lublin, 20-412, Poland
Indywidualna Praktyka Lekarska Dr hab. Med. Anna Szczepańska-Szerej, Merz Investigational Site #0480096
Lublin, 20-582, Poland
Instytut Zdrowia dr Boczarska-Jedynak, Merz Investigational Site #0480103
Oświęcim, 32-600, Poland
Solumed Centrum Medyczne, Merz Investigational Site #0480122
Poznan, 60-529, Poland
ETG Neuroscience, Merz Investigational Site #0480116
Warsaw, 02-677, Poland
MIGRE Polskie Centrum Leczenia Migreny, Merz Investigational Site #0480124
Wroclaw, 52-210, Poland
Futuremeds, Merz Investigational Site #0480123
Wroclaw, 53-673, Poland
ETG Zamosc, Merz Investigational Site #0480120
Zamość, 22-400, Poland
MUDr. Beáta Dupejová, neurologická ambulancia, Merz Investigational Site #4210002
Banská Bystrica, 974 04, Slovakia
KONZÍLIUM, Merz Investigational Site #4210011
Dubnica nad Váhom, 018 41, Slovakia
NEURES, Merz Investigational Site #4210006
Krompachy, 053 42, Slovakia
Liptovská nemocnica s poliklinikou, Merz Investigational Site #4210013
Liptovský Mikuláš, 031 23, Slovakia
Hospital Clinic de Barcelona-Hospital Plato, Merz Investigational Site #0340047
Barcelona, 08006, Spain
Hospital Universitari Vall d'Hebron, Merz Investigational Site #0340006
Barcelona, 08035, Spain
Hospital Universitario 12 de Octubre, Merz Investigational Site #0340055
Madrid, 28041, Spain
Hospital Universitario La Paz, Merz Investigational Site #0340007
Madrid, 28046, Spain
Campus Blua Sanitas Valdebebas Hospital, Merz Investigational Site #0340057
Madrid, 28055, Spain
Hospital Regional Universitario de Malaga, Merz Investigational Site #0340050
Málaga, 29010, Spain
Hospital Universitario Virgen de la Victoria, Merz Investigational Site #0340056
Málaga, 29010, Spain
Hospital Vithas Malaga, Merz Investigational Site #0340054
Málaga, 29016, Spain
Hospital Universitario Virgen del Rocio, Merz Investigational Site #0340046
Seville, 41013, Spain
Consorci Sanitari de Terrassa, Merz Investigational Site #0340051
Terrassa, 08227, Spain
Hospital Universitari i Politecnic La Fe de Valencia, Merz Investigational Site #0340049
Valencia, 46026, Spain
Complejo Hospitalario Universitario de Vigo, Merz Investigational Site #0340052
Vigo, 36312, Spain
Hospital Viamed Montecanal, Merz Investigational Site #0340053
Zaragoza, 50012, Spain
Kopfwehzentrum Hirslanden, Merz Investigational Site #0410017
Zollikon, 8702, Switzerland
Royal Stoke University Hospital, Merz Investigational Site #0440048
Stoke-on-Trent, ST4 6QG, United Kingdom
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Merz Medical Expert
Merz Therapeutics
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 4, 2025
First Posted
June 12, 2025
Study Start
August 21, 2025
Primary Completion (Estimated)
October 1, 2027
Study Completion (Estimated)
March 1, 2028
Last Updated
April 29, 2026
Record last verified: 2026-04
Data Sharing
- IPD Sharing
- Will not share