Long-term KarXT plus KarX-EC treatment for agitation in Alzheimer’s disease
Official title: A Phase 3, Open-label Extension Study to Evaluate the Long-term Safety and Tolerability of KarXT + KarX-EC for the Treatment of Agitation Associated With Alzheimer's Disease (ADAGIO-3)
Run by Bristol-Myers Squibb · NCT06937229 · Data updated 2026-11-12
This will test whether taking KarXT together with KarX-EC reduces agitation and is safe long-term in people with Alzheimer’s disease who completed the earlier parent studies.
Quick facts
| Phase | Phase 3 |
|---|---|
| Study type | Interventional |
| Ages | 55 Years to 90 Years |
| Sex | All |
| Enrollment | 650 (estimated) |
| Sponsor | Bristol-Myers Squibb Industry-sponsored |
| Locations | 252 sites (Chandler, Arizona and 251 other locations) |
| Status | Recruiting |
| Started | December 2, 2025 |
| Main results expected | June 22, 2029 |
| Study ends | July 20, 2029 |
| Registry record updated | October 16, 2026 |
| Trial ID | NCT06937229 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
People with Alzheimer’s who experienced agitation, completed parent studies CN012-0023 or CN012-0024, and have a caregiver who can provide regular contact and support are the intended participants.
✕Probably not a fit
People with unstable or clinically significant cardiovascular, pulmonary, renal, neurological, or other serious medical conditions, or those who did not participate in the parent studies, are unlikely to be eligible or to benefit.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This Phase 3 interventional trial enrolls participants who completed parent studies CN012-0023 or CN012-0024 to receive a combined regimen of immediate-release KarXT and enteric KarX-EC capsules over an extended treatment period. Efficacy for agitation symptoms will be tracked alongside systematic safety monitoring, including cardiovascular and other adverse events, with regular clinic visits and caregiver-reported outcomes. An identified caregiver with approximately 10 hours per week contact is required to provide collateral information and support study procedures. The trial is sponsored by Bristol-Myers Squibb and conducted at selected U.S. clinical sites.
Why it matters
Potential benefit: If successful, this could provide a new long-term oral option to reduce agitation in people with Alzheimer’s and ease caregiver burden.
How similar studies have gone: Short-term trials of xanomeline formulations have shown promise for neuropsychiatric symptoms, and this trial builds on those findings by testing long-term combined KarXT/KarX-EC treatment.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Participants must have completed study CN012-0023 or CN012-0024 per protocol. * Participants must have an identified caregiver who has sufficient contact (approximately 8 hours over a week). Exclusion Criteria: * Participants must not have clinically significant cardiovascular (eg, untreated or unstable hypertension, clinically significant tachycardia), pulmonary, renal, hematologic, GI, endocrine, immunologic, dermatologic, neurologic, or oncologic disease or any other condition that, in the opinion of the investigator, would jeopardize the safety of the participant or the validity of the study results. * Other protocol-defined Inclusion/Exclusion criteria apply.
Where it's running
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Imaging Endpoints
Scottsdale, Arizona, United States Recruiting -
Nuovida Research Center
Miami, Florida, United States Recruiting -
Progressive Medical Research
Port Orange, Florida, United States Recruiting -
IPTB Clinical Research
Tampa, Florida, United States Recruiting -
Hope Research Network - Miami
Virginia Gardens, Florida, United States Recruiting -
Boston Center for Memory
Newton, Massachusetts, United States Recruiting
Show 44 more locations
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Redbird Research
Las Vegas, Nevada, United States Recruiting -
West Clinical Research
Morehead City, North Carolina, United States Recruiting -
Epic Medical Research, LLC - Carrolton
Carrollton, Texas, United States Recruiting -
Horizon Clinical Research Center - Houston
Cypress, Texas, United States Recruiting -
Advanced Neurology Epilepsy and Sleep Center
El Paso, Texas, United States Recruiting -
Hospital Moinhos de Vento
Porto Alegre, Rio Grande do Sul, Brazil Recruiting -
CPQuali Pesquisa Clínica
São Paulo, Brazil Recruiting -
Medical Center Sveti Naum EOOD
Sofia, Bulgaria Recruiting -
Ontario Shores Centre For Mental Health Sciences
Whitby, Ontario, Canada Recruiting -
Nanjing Drum Tower hospital
Nanjing, Jiangsu, China Recruiting -
AGE Centrum
Olomouc, Olomouc Region, Czechia Recruiting -
Neuro Health Centrum s.r.o.
Brno, South Moravian, Czechia Recruiting -
Centre Hospitalier Universitaire Toulouse - Cité de la Santé
Toulouse, Haute-Garonne, France Recruiting -
Sanz MC, Laniado Hospital
Netanya, Israel Recruiting -
Bayit Balev Ltd.
Rishon Le'Tzion, Israel Recruiting -
Auxologico IRCCS - Auxologico San Luca
Milan, Lombardy, Italy Recruiting -
Hatano Kousei Hospital
Hadano, Kanagawa, Japan Recruiting -
Asakayama Hospital
Sakai, Osaka, Japan Recruiting -
National Hospital Organization Hizen Psychiatric Center
Kanzaki-Gun Yoshinogari-Cho, Saga-ken, Japan Recruiting -
Rainbow and Sea Hospital
Karatsu-shi, Saga-ken, Japan Recruiting -
Nippon Medical School Hospital
Bunkyo-ku, Tokyo, Japan Recruiting -
Kuramitsu Hospital
Fukuoka, Japan Recruiting -
Okayama City General Medical Center Okayama City Hospital
Okayama, Japan Recruiting -
Jichi Medical University Hospital
Shimotsuke-shi, Tochigi, Japan Recruiting -
Boca Clinical Trials Mexico S.C.
Guadalajara, Jalisco, Mexico Recruiting -
AVIX Investigacion Clinica
Monterrey, Nuevo León, Mexico Recruiting -
Neurociencias PRISMA A.C.
San Luis Potosí City, Mexico Recruiting -
Centrum Medyczne NEUROMED
Bydgoszcz, Kuyavian-Pomeranian Voivodeship, Poland Recruiting -
RCMed Oddzial Sochaczew
Sochaczew, Poland Recruiting -
Inha University Hospital
Incheon, Incheon Gwang'yeogsi, South Korea Recruiting -
Seoul National University Hospital
Seoul, Seoul-teukbyeolsi [Seoul], South Korea Recruiting -
Gangnam Severance Hospital, Yonsei University Health System
Seoul, South Korea Recruiting -
The Catholic University of Korea, Yeouido St.Mary's Hospital
Seoul, South Korea Recruiting -
Oroitu CAE
Getxo, Bizkaia, Spain Recruiting -
Hospital Clinico San Carlos
Madrid, Spain Recruiting -
Hospital Clinico Universitario Virgen de La Victoria
Málaga, Spain Recruiting -
Hospital Universitario de Salamanca - Complejo Asistencial Universitario de Salamanca
Salamanca, Spain Recruiting -
Hospital Mutua Terrassa
Terrassa, Spain Recruiting -
Hospital Universitario De Rio Hortega
Valladolid, Spain Recruiting -
Taipei Veterans General Hospital
Taipei, Taiwan Recruiting -
Communal non-commercial enterprise "Cherkasy regional psychiatric hospital of Cherkasy regional council"
Smila, Cherkasy Oblast, Ukraine Recruiting -
MUNICIPAL NON-COMMERCIAL COMPANY Dnipropetrovsk Multiprofile Clinical Hospital for Provision of Psychiatric Care DRC
Dnipro, Dnipropetrovsk Oblast, Ukraine Recruiting -
Municipal Non-Commercial Enterprise "Khmelnytskyi Regional Psychiatric Care Facility" of the Khmelnytskyi Regional Council
Skarzhyntsi, Khmelnytskyi Oblast, Ukraine Recruiting -
Communal non-commercial enterprise of the Kyiv Regional Council "Regional Psychiatric-Narcological Medical Association"
Hlevakha, Kyiv Oblast, Ukraine Recruiting
+202 more sites. See ClinicalTrials.gov for the full list.
Study contacts
- Study coordinator: BMS Clinical Trials Contact Center www.BMSClinicalTrials.com, www.BMSStudyConnect.com
- Email: Clinical.Trials@bms.com
- Phone: 855-907-3286
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.