NCT05508789Active, not recruitingPhase 3
A Study of Donanemab (LY3002813) in Participants With Early Symptomatic Alzheimer's Disease (TRAILBLAZER-ALZ 5)
Global Study to Investigate Safety and Efficacy of Donanemab in Early Symptomatic Alzheimer's Disease
Source: ClinicalTrials.gov · Last updated 22 Sept 2026
Brief summary (registry, in English)
The reason for this study is to assess the safety and efficacy of donanemab in participants with early Alzheimer's disease. The study duration including screening and follow-up is up to 93 weeks.
- Status (registry)
- Active, not recruiting
- Phase (registry)
- Phase 3
- Study type
- Interventional
- Enrollment
- 1500 (estimated)
- First submitted
- 18 Aug 2022
- Start date
- 10 Oct 2022
- Primary completion date
- May 2028
- Lead sponsor
- Eli Lilly and Company
- Diseases
- Alzheimer disease
- NCT number
- NCT05508789
- EU CT number
- 2025-522340-40-00
What you commit to
- Study type: Interventional · Phase 3
- Planned participants: 1500
- From 10 Oct 2022 to the primary completion date, May 2028
- 141 sites in 8 countries
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Other illness
- Has significant neurological disease affecting the central nervous system other than AD, that may affect cognition or ability to complete the study, including but not limited to, other dementias, serious infection of the brain, Parkinson's disease, multiple concussions, or epilepsy or recurrent seizures (except febrile childhood seizures).
- Has current serious or unstable illnesses including cardiovascular, hepatic, renal, gastroenterologic, respiratory, endocrinologic, neurologic (other than AD), psychiatric, immunologic, or hematologic disease and other conditions that, in the investigator's opinion, could interfere with the analyses in this study; or has a life expectancy of \<24 months.
- History of cancer within the last 5 years, except of non-metastatic basal and/or squamous cell carcinoma of the skin, in situ cervical cancer, nonprogressive prostate cancer, or other cancers with low risk of recurrence or spread.
Other
- Contraindication to MRI or PET scans.
Who the study is looking for
- Gradual and progressive change in memory function reported by the participant or informant for ≥6 months.
- A MMSE score of 20 to 28 (inclusive) at screening visit.
- Meet amyloid scan (central read) criteria.
- Have a study partner who will provide written informed consent to participate, is in frequent contact with the participant (defined as at least 10 hours per week), and will accompany the participant to the study or be available by telephone at designated times.
- A second study partner may serve as backup. The study partner(s) is/are required to accompany the participant for signing consent. The study partner must be present on all days the cognitive and functional scales are administered.
- If a participant has a second study partner, it is preferred that 1 study partner be primarily responsible for the CDR and the ADCS-ADL assessments.
- Days requiring the following assessments and scales must have a study partner available by telephone if not accompanying participant for the following assessments
- AEs and concomitant medications
- CDR, and
- ADCS-ADL
- Stable concomitant symptomatic AD medications and other medications that may impact cognition for at least approximately 30 days prior to randomization.
Age in the registry: 60 years to 85 years · Sex: All · Does not accept healthy volunteers
Sites (141)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Hospital Italiano de Buenos Aires Coordinator of this site? Confirm its status | ABB | Argentina | Unknown status |
| Clinica Privada Banfield Coordinator of this site? Confirm its status | Banfield | Argentina | Unknown status |
| Mautalen Salud e Investigación Coordinator of this site? Confirm its status | Buenos Aires | Argentina | Unknown status |
| Stat Research S.A. Coordinator of this site? Confirm its status | Buenos Aires | Argentina | Unknown status |
| Centro de Investigaciones Metabólicas (CINME) Coordinator of this site? Confirm its status | Buenos Aires | Argentina | Unknown status |
| CIPREC Coordinator of this site? Confirm its status | Buenos Aires | Argentina | Unknown status |
| Instituto Geriatrico Nuestra Señora de Las Nieves Coordinator of this site? Confirm its status | Buenos Aires | Argentina | Unknown status |
| Fundación para la Lucha contra las Enfermedades Neurológicas de la Infancia (FLENI) Coordinator of this site? Confirm its status | Buenos Aires | Argentina | Unknown status |
| Fundación para el Estudio y Tratamiento de Enfermedades Mentales (FETEM) Coordinator of this site? Confirm its status | Buenos Aires | Argentina | Unknown status |
| Centro Médico Arsema Coordinator of this site? Confirm its status | Buenos Aires | Argentina | Unknown status |
| Centro Medico Dra. Laura Maffei- Investigacion Clinica Aplicada Coordinator of this site? Confirm its status | Buenos Aires | Argentina | Unknown status |
| Centro de Educación Médica e Investigaciones clínicas "Dr. Norberto Quirno" (CEMIC) Coordinator of this site? Confirm its status | Buenos Aires | Argentina | Unknown status |
| IDIM - Instituto de Investigaciones Metabólicas Coordinator of this site? Confirm its status | Ciudad de Buenos Aires | Argentina | Unknown status |
| INSA Instituto de Neurociencia San Agustin Coordinator of this site? Confirm its status | La Plata | Argentina | Unknown status |
| Instituto De Investigaciones Clinicas Quilmes Coordinator of this site? Confirm its status | Quilmes | Argentina | Unknown status |
| INECO Neurociencias Oroño Coordinator of this site? Confirm its status | Rosario | Argentina | Unknown status |
| Emeritus Research Coordinator of this site? Confirm its status | Botany | Australia | Unknown status |
| Box Hill Hospital Coordinator of this site? Confirm its status | Box Hill | Australia | Unknown status |
| The Prince Charles Hospital Coordinator of this site? Confirm its status | Brisbane | Australia | Unknown status |
| NeuroCentrix Coordinator of this site? Confirm its status | Carlton | Australia | Unknown status |
| Central Coast Neurosciences Research Coordinator of this site? Confirm its status | Erina | Australia | Unknown status |
| Austin Health Coordinator of this site? Confirm its status | Ivanhoe | Australia | Unknown status |
| Southern Neurology Coordinator of this site? Confirm its status | Kogarah | Australia | Unknown status |
| HammondCare Coordinator of this site? Confirm its status | Malvern | Australia | Unknown status |
| The Alfred Hospital Coordinator of this site? Confirm its status | Melbourne | Australia | Unknown status |
| Alzheimer's Research Australia Coordinator of this site? Confirm its status | Nedlands | Australia | Unknown status |
| The Royal Melbourne Hospital Coordinator of this site? Confirm its status | Parkville | Australia | Unknown status |
| St Vincent's Hospital Coordinator of this site? Confirm its status | Sydney | Australia | Unknown status |
| KARA Institute for Neurological Diseases Coordinator of this site? Confirm its status | Sydney | Australia | Unknown status |
| Central Coast Neurosciences Research (Tumbi Umbi) Coordinator of this site? Confirm its status | Tumbi Vmbi | Australia | Unknown status |
| Neurodegenerative Disorders Research Coordinator of this site? Confirm its status | West Perth | Australia | Unknown status |
| The Queen Elizabeth Hospital Coordinator of this site? Confirm its status | Woodville | Australia | Unknown status |
| Chinese PLA General Hospital Coordinator of this site? Confirm its status | Beijing | China | Unknown status |
| Beijing ChaoYang Hospital Coordinator of this site? Confirm its status | Beijing | China | Unknown status |
| Beijing Tiantan Hospital Affiliated to Capital Medical University Coordinator of this site? Confirm its status | Beijing | China | Unknown status |
| Beijing Friendship Hospital Affiliate of Capital University Coordinator of this site? Confirm its status | Beijing | China | Unknown status |
| Beijing Hospital Coordinator of this site? Confirm its status | Beijing | China | Unknown status |
| Beijing Peking Union Medical College Hospital Coordinator of this site? Confirm its status | Beijing | China | Unknown status |
| Xuanwu Hospital, Capital Medical University Coordinator of this site? Confirm its status | Beijing | China | Unknown status |
| Beijing Anding Hospital - Affiliated Capital University of Medical Science Coordinator of this site? Confirm its status | Beijing | China | Unknown status |
| The First Hospital of Jilin University Coordinator of this site? Confirm its status | Changchun | China | Unknown status |
| The Second Xiangya Hospital of Central South University Coordinator of this site? Confirm its status | Changsha | China | Unknown status |
| Xiangya Hospital Central South University Coordinator of this site? Confirm its status | Changsha | China | Unknown status |
| Sichuan Provincial People's Hospital Coordinator of this site? Confirm its status | Chengdu | China | Unknown status |
| West China Hospital,Sichuan University Coordinator of this site? Confirm its status | Chengdu | China | Unknown status |
| The First Afffiliated Hospital of Chongqing Medical University Coordinator of this site? Confirm its status | Chongqing | China | Unknown status |
| Fujian Medical University Union Hospital-1 Bingfanglou Coordinator of this site? Confirm its status | Fuzhou Fujian | China | Unknown status |
| Guangzhou First People's Hospital Coordinator of this site? Confirm its status | Guangzhou | China | Unknown status |
| Guangdong Provincial People's Hospital Coordinator of this site? Confirm its status | Guangzhou | China | Unknown status |
| The First Affiliated Hospital, Sun Yat-sen University Coordinator of this site? Confirm its status | Guangzhou | China | Unknown status |
| Sun Yat-sen Memorial Hospital, Sun Yat-sen University Coordinator of this site? Confirm its status | Guangzhou | China | Unknown status |
| Peking University Sixth Hospital Coordinator of this site? Confirm its status | Haidian District | China | Unknown status |
| Zhejiang Provincial People's Hospital Coordinator of this site? Confirm its status | Hangzhou | China | Unknown status |
| The First Affiliated Hospital, Zhejiang University Coordinator of this site? Confirm its status | Hangzhou | China | Unknown status |
| The Second Affiliated Hospital of Zhejiang University School of Medicine Coordinator of this site? Confirm its status | Hangzhou | China | Unknown status |
| Sir Run Run Shaw Hospital Coordinator of this site? Confirm its status | Hangzhou | China | Unknown status |
| The Fourth Affiliated Hospital of Harbin Medical University Coordinator of this site? Confirm its status | Harbin | China | Unknown status |
| Jinan Central Hospital Coordinator of this site? Confirm its status | Jinan | China | Unknown status |
| The Second Affiliated Hospital of Nanchang University Coordinator of this site? Confirm its status | Nanchang | China | Unknown status |
| Nanjing Drum Tower Hospital The Affiliated Hospital of Nanjing University Medical School Coordinator of this site? Confirm its status | Nanjing | China | Unknown status |
| Nanjing Brain Hospital Coordinator of this site? Confirm its status | Nanjing | China | Unknown status |
| The Second Affiliated Hospital of Nanjing Medical University Coordinator of this site? Confirm its status | Nanjing | China | Unknown status |
| Shanghai General Hospital Coordinator of this site? Confirm its status | Shanghai | China | Unknown status |
| Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine Coordinator of this site? Confirm its status | Shanghai | China | Unknown status |
| Shanghai Sixth People's Hospital Coordinator of this site? Confirm its status | Shanghai | China | Unknown status |
| Shanghai Mental Health Center Coordinator of this site? Confirm its status | Shanghai | China | Unknown status |
| Huashan Hospital Affiliated Fudan University Coordinator of this site? Confirm its status | Shanghai | China | Unknown status |
| Shanghai East Hospital Coordinator of this site? Confirm its status | Shanghai | China | Unknown status |
| Shanghai Tongji Hospital Coordinator of this site? Confirm its status | Shanghai | China | Unknown status |
| The First Hospital of Hebei Medical University Coordinator of this site? Confirm its status | Shijiazhuang | China | Unknown status |
| The First Affiliated Hospital of Soochow University Coordinator of this site? Confirm its status | Suzhou | China | Unknown status |
| The Second Affiliated Hospital of Soochow University Coordinator of this site? Confirm its status | Suzhou | China | Unknown status |
| Tianjin Medical University General Hospital Coordinator of this site? Confirm its status | Tianjin | China | Unknown status |
| Tianjin Huanhu Hospital Coordinator of this site? Confirm its status | Tianjin | China | Unknown status |
| Tongji Hospital Tongji Medical,Science & Technology Coordinator of this site? Confirm its status | Wuhan | China | Unknown status |
| Renmin Hospital of Wuhan University Coordinator of this site? Confirm its status | Wuhan | China | Unknown status |
| Wuxi People's Hospital Coordinator of this site? Confirm its status | Wuxi | China | Unknown status |
| Tangdu Hospital of Fourth Military Medical University of Chinese People's Liberation Army Coordinator of this site? Confirm its status | Xi'an | China | Unknown status |
| Xianyang Hospital of Yan'an University Coordinator of this site? Confirm its status | Xianyang | China | Unknown status |
| The Affiliated Hospital of Xuzhou Medical College Coordinator of this site? Confirm its status | Xuzhou | China | Unknown status |
| Xuzhou Central Hospital Coordinator of this site? Confirm its status | Xuzhou | China | Unknown status |
| Affiliated Hospital of Jiangsu University Coordinator of this site? Confirm its status | Zhenjiang | China | Unknown status |
| Hospital Clinic de Barcelona Coordinator of this site? Confirm its status | Barcelona | Spain | Unknown status |
| Barcelonabeta Brain Research Center Coordinator of this site? Confirm its status | Barcelona | Spain | Unknown status |
| Fundació ACE Coordinator of this site? Confirm its status | Barcelona | Spain | Unknown status |
| Hospital de la Santa Creu i Sant Pau Coordinator of this site? Confirm its status | Barcelona | Spain | Unknown status |
| Hospital Universitari de Santa Maria Coordinator of this site? Confirm its status | Lleida | Spain | Unknown status |
| Hospital Universitari General de Catalunya Coordinator of this site? Confirm its status | Sant Cugat del Vallès | Spain | Unknown status |
| Hospital Universitario Doctor Peset Coordinator of this site? Confirm its status | Valencia | Spain | Unknown status |
| Hospital Universitari i Politécnic La Fe Coordinator of this site? Confirm its status | Valencia | Spain | Unknown status |
| The Rice Centre - Royal United Hospital Coordinator of this site? Confirm its status | Bath | United Kingdom | Unknown status |
| Re:Cognition Health - Birmingham Coordinator of this site? Confirm its status | Birmingham | United Kingdom | Unknown status |
| Re:Cognition Health - Bristol Coordinator of this site? Confirm its status | Bristol | United Kingdom | Unknown status |
| Surrey and Borders Partnership NHS Foundation Trust Coordinator of this site? Confirm its status | Chertsey | United Kingdom | Unknown status |
| Dementia Research Unit Coordinator of this site? Confirm its status | Crowborough | United Kingdom | Unknown status |
| Re:Cognition Health - Guildford Coordinator of this site? Confirm its status | Guildford | United Kingdom | Unknown status |
| St. George's Hospital Coordinator of this site? Confirm its status | London | United Kingdom | Unknown status |
| Re:Cognition Health - London Coordinator of this site? Confirm its status | London | United Kingdom | Unknown status |
| University College London Hospital Coordinator of this site? Confirm its status | London | United Kingdom | Unknown status |
| Charing Cross Hospital Coordinator of this site? Confirm its status | London | United Kingdom | Unknown status |
| Queen's Medical Centre, Nottingham University Hospitals Coordinator of this site? Confirm its status | Nottinghamshire | United Kingdom | Unknown status |
| Re:Cognition Health - Plymouth Coordinator of this site? Confirm its status | Plymouth | United Kingdom | Unknown status |
| Royal Preston Hospital Coordinator of this site? Confirm its status | Preston | United Kingdom | Unknown status |
| Moorgreen Hospital Coordinator of this site? Confirm its status | Southampton | United Kingdom | Unknown status |
| Re:Cognition Health - Winchester Coordinator of this site? Confirm its status | Winchester | United Kingdom | Unknown status |
| Pusan National University Hospital Coordinator of this site? Confirm its status | Busan | South Korea | Unknown status |
| Hanyang University Guri Hospital Coordinator of this site? Confirm its status | Guri-si | South Korea | Unknown status |
| Chonnam National University Hospital Coordinator of this site? Confirm its status | Gwangju | South Korea | Unknown status |
| Inha University Hospital Coordinator of this site? Confirm its status | Incheon | South Korea | Unknown status |
| Chungnam national university hospital Coordinator of this site? Confirm its status | Junggu | South Korea | Unknown status |
| Gachon University Gil Medical Center Coordinator of this site? Confirm its status | Namdong-gu | South Korea | Unknown status |
| Seoul National University Bundang Hospital Coordinator of this site? Confirm its status | Seongnam | South Korea | Unknown status |
| Seoul National University Bundang Hospital Coordinator of this site? Confirm its status | Seongnam-si | South Korea | Unknown status |
| Asan Medical Center Coordinator of this site? Confirm its status | Seoul | South Korea | Unknown status |
| Hanyang University Seoul Hospital Coordinator of this site? Confirm its status | Seoul | South Korea | Unknown status |
| The Catholic University of Korea, Eunpyeong St. Mary's Hospital Coordinator of this site? Confirm its status | Seoul | South Korea | Unknown status |
| Ewha Womans University Seoul Hospital Coordinator of this site? Confirm its status | Seoul | South Korea | Unknown status |
| Korea University Anam Hospital Coordinator of this site? Confirm its status | Seoul | South Korea | Unknown status |
| Samsung Medical Center Coordinator of this site? Confirm its status | Seoul | South Korea | Unknown status |
| Konkuk University Medical Center Coordinator of this site? Confirm its status | Seoul | South Korea | Unknown status |
| Ajou University Hospital Coordinator of this site? Confirm its status | Suwon | South Korea | Unknown status |
| Podlaskie Centrum Psychogeriatrii Coordinator of this site? Confirm its status | Bialystok | Poland | Unknown status |
| Centrum Medyczne NEUROMED Coordinator of this site? Confirm its status | Bydgoszcz | Poland | Unknown status |
| Centrum Badan Klinicznych PI-House sp. z o.o. Coordinator of this site? Confirm its status | Gdansk | Poland | Unknown status |
| Klinika Neuro-Care Coordinator of this site? Confirm its status | Katowice | Poland | Unknown status |
| Diamond Clinic Coordinator of this site? Confirm its status | Krakow | Poland | Unknown status |
| Nzoz Neuro-Kard Ilkowski i Partnerzy SPL Coordinator of this site? Confirm its status | Poznan | Poland | Unknown status |
| Centrum Medyczne Euromedis Coordinator of this site? Confirm its status | Szczecin | Poland | Unknown status |
| Centrum Medyczne NeuroProtect Coordinator of this site? Confirm its status | Warsaw | Poland | Unknown status |
| Wroclawskie Centrum Alzheimerowskie Coordinator of this site? Confirm its status | Wroclaw | Poland | Unknown status |
| National Taiwan University Hospital Yun-Lin Branch Dou-Liou Region Coordinator of this site? Confirm its status | Douliu | Taiwan | Unknown status |
| Chang Gung Memorial Hospital at Kaohsiung Coordinator of this site? Confirm its status | Kaohsiung Niao Sung Dist | Taiwan | Unknown status |
| Cardinal Tien Hospital Coordinator of this site? Confirm its status | New Taipei City | Taiwan | Unknown status |
| New Taipei Municipal TuCheng Hospital Coordinator of this site? Confirm its status | New Taipei City | Taiwan | Unknown status |
| Taipei Medical University Shuang Ho Hospital Coordinator of this site? Confirm its status | New Taipei City | Taiwan | Unknown status |
| China Medical University Hospital Coordinator of this site? Confirm its status | Taichung | Taiwan | Unknown status |
| National Cheng Kung University Hospital Coordinator of this site? Confirm its status | Tainan | Taiwan | Unknown status |
| National Taiwan University Hospital Coordinator of this site? Confirm its status | Taipei | Taiwan | Unknown status |
| Tri-Service General Hospital Coordinator of this site? Confirm its status | Taipei | Taiwan | Unknown status |
| Taipei Veterans General Hospital Coordinator of this site? Confirm its status | Taipei | Taiwan | Unknown status |
| Chang Gung Medical Foundation-Linkou Branch Coordinator of this site? Confirm its status | Taoyuan | Taiwan | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.