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Active, not recruitingNCT07018713MINT-CUpdated Oct 14, 2026

A Clinical Trial to Evaluate Efficacy and Safety of Xeomin® Injections for Preventing Chronic Migraine

A Phase 3 interventional study of Xeomin and Placebo in Chronic Migraine, sponsored by Merz Therapeutics GmbH. Active, not recruiting at 111 sites in 13 countries. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-10-14.

Sponsored by Merz Therapeutics GmbH (part of Merz Pharma) · Phase 3, Interventional, and Treatment

Updated Oct 14, 2026Now Active, not recruitingPrimary completion moved+2 moreGo to Updates ↓
Phase
Phase 3
Study type
Interventional
Enrollment
808
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study 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.
02

Conditions studied

  • Chronic Migraine

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03

In context

Migraine Disorders

1,657 studies on the registry are indexed under Migraine Disorders; 339 are open to participants now.

This study's enrollment of 808 is above the median of 80 across 1,269 interventional studies indexed under Migraine Disorders.

Browse Migraine Disorders studies →

Lead sponsor

Merz Therapeutics GmbH is the lead sponsor of 7 studies on the registry; 1 is open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • 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.

Exclusion criteria

Exclusion Criteria:

  • 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.
05

Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Double (Participant, Investigator)
Enrollment
808 participants (actual)

Study arms

  • Experimental
    Xeomin Dose A

    Placebo-controlled period + extension period: Xeomin injections at pericranial and cervical points (dose A)

    Drug: Xeomin

  • Experimental
    Xeomin Dose B

    Placebo-controlled period + extension period: Xeomin injections at pericranial and cervical point (dose B)

    Drug: Xeomin

  • Placebo comparator
    Placebo

    Placebo-controlled period: Placebo injections at pericranial and cervical points. Extension period: Xeomin injections at pericranial and cervical points (dose A)

    Drug: Xeomin · Drug: Placebo

Interventions

  • DrugXeomin

    Solution for injection prepared by reconstitution of powder with 0.9% Sodium Chloride (NaCl)

    Also known as: IncobotulinumtoxinA, NT 201, Botulinum toxin type A (150 kiloDalton), free from complexing proteins

  • DrugPlacebo

    Solution for injection prepared by reconstitution of powder with 0.9% Sodium Chloride (NaCl)

06

What researchers measure

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

    Time frame: Baseline to month 6

Secondary 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 B

    Time frame: Baseline to month 6

  2. Change in monthly headache days from baseline (28 days before baseline visit) to Month 6 (weeks 21 to 24 after first injection) - Dose A

    Time frame: Baseline to month 6

  3. Change in monthly headache days from baseline (28 days before baseline visit) to Month 6 (weeks 21 to 24 after first injection) - Dose B

    Time frame: Baseline to month 6

  4. 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

    Time frame: Baseline to month 6

  5. 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

    Time frame: Baseline to month 6

  6. Change in frequency of migraine days from baseline (baseline monthly migraine days divided by 2) to two-week end-of-cycle periods (weeks 11 and 12 of Cycle 1 to 4)

    Time frame: Baseline up to month 11

  7. Percentage of participants who reported at least a 50% reduction in mean monthly migraine days from baseline (28 days before baseline visit) to Month 6 (weeks 21 to 24 after first injection)

    Time frame: Baseline to month 6

  8. Incidence of treatment-emergent adverse events (TEAEs) related to treatment as assessed by the investigator in the placebo-controlled period

    Time frame: Month 6

07

Study locations

111 sites
  • 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
  • University of Miami Miller School of Medicine, Merz Investigational Site #0010493
    Miami, Florida 33136, 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
  • Mayo Clinic, Merz Investigational Site #0010212
    Rochester, Minnesota 59505, 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
  • Thomas Jefferson University, Merz Investigational Site #0010354
    Philadelphia, Pennsylvania 19107, 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
  • ProNeuro Centrum Medyczne Neurokard, Merz Investigational Site #0480129
    Żory, 44-240, 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

Showing the first 100 of 111 sites across 13 countries. Choose a country and city above to see the rest.

08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

2 registry updates since Sep 25, 2026
Status
Recruiting→Active, not recruiting
changed Oct 14, 2026
Primary completion
Oct 2027→Mar 2027
Oct 14, 2026
Study completion
Mar 2028→Sep 2027
Oct 14, 2026
Enrollment
780 (estimated)→808 (actual)
Oct 14, 2026
Show all 2 updates
  1. Oct 14, 2026
    Recruiting→Active, not recruiting
    Primary completion Oct 2027→Mar 2027
    Study completion Mar 2028→Sep 2027
    Enrollment 780 (estimated)→808 (actual)
    + 3 other changes: verification date, contact details and site details
  2. Sep 25, 2026
    Minor edits only
    + 1 other change: verification date

From the registry record's own update history. This site started tracking changes on Sep 25, 2026; for anything earlier, see the record history on ClinicalTrials.gov ↗

10

Registry details

Key details

Study ID
NCT07018713
Responsible party
Sponsor
First posted
Jun 12, 2025
Start date
Aug 21, 2025
Primary completion
Mar 2027 (estimated)
Completion
Sep 2027 (estimated)
Last update
Oct 14, 2026

Study contacts

Merz Medical Expert
study director · Merz Therapeutics

Oversight

Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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Studies of the drug tested here: Botulinum toxin type A

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