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You can call any of these for free. You do not need a diagnosis, an appointment, or a crisis to call — questions and plain exhaustion are reasons enough.

  • Alzheimer's Association 24/7 Helpline 800-272-3900 24 hours a day, 365 days a year Free, confidential support and information for people with dementia, caregivers, families and the public. Master's-level clinicians. Also Spanish.
  • 988 Suicide & Crisis Lifeline 988 24/7 Call or text 988, or chat at 988lifeline.org. For anyone in emotional distress or a mental-health crisis, including caregivers.
  • Alzheimer's Foundation of America (AFA) Helpline 866-232-8484 9:00 am - 9:00 pm ET, seven days a week Licensed social workers providing support, info and referrals. Also text message and web chat. Text: 646-586-5283

In a medical emergency, call 911. More numbers, and what each line does, on the help page.

Each study has a usefulness score out of 100 (rubric version 4.0). Tap a score to see what makes it up.

Highest usefulness score first. Studies without a score come last.

  1. Of 74 participants who were recruited into the OLE study between June 3, 2020, and April 22, 2021, 73 were enrolled and received gantenerumab treatment. 47 (64%) stopped dosing due to early termination of the study by the sponsor, and 13 (18%) prematurely discontinued the study for other reasons; 13 people completed 3 years of treatment.

  2. Clinical Evidence for GLP-1 Receptor Agonists in Alzheimer's Disease: A Systematic Review

    ✓ Peer-reviewed alzhub usefulness score 83 out of 100. Journal of Alzheimer's disease reports 2024-05-07 Drug development

    GLP-1 RA therapy did not alter amyloid-β and tau biomarkers nor show improvements in cognition but showed potential metabolic and neuroprotective benefits.

  3. Results from the long-term extension of PRIME: A randomized Phase 1b trial of aducanumab

    ✓ Peer-reviewed alzhub usefulness score 83 out of 100. Alzheimer's & dementia : the journal of the Alzheimer's Association 2024-04-03 Treatments

    The safety profile of aducanumab remained unchanged in the LTE of PRIME.

  4. Donanemab for Alzheimer's Disease: A Systematic Review of Clinical Trials

    ✓ Peer-reviewed alzhub usefulness score 83 out of 100. Healthcare (Basel, Switzerland) 2022-12-22 Treatments

    Amyloid-β (Aβ) plaques and aggregated tau are two core mechanisms that contribute to the clinical deterioration of Alzheimer’s disease (AD).

  5. Between July 22, 2014, and May 17, 2018, 261 participants entered the open-label phase. 211 were randomly assigned losartan (n=105) or placebo (n=106).

  6. A trial of gantenerumab or solanezumab in dominantly inherited Alzheimer's disease

    ✓ Peer-reviewed alzhub usefulness score 83 out of 100. Nature medicine 2021-06-21 Biomarkers

    Dominantly inherited Alzheimer's disease (DIAD) causes predictable biological changes decades before the onset of clinical symptoms, enabling testing of interventions in the asymptomatic and symptomatic stages to delay or slow disease progression.

  7. Effect of Linagliptin on Cognitive Performance in Patients With Type 2 Diabetes and Cardiorenal Comorbidities: The CARMELINA Randomized Trial

    ✓ Peer-reviewed alzhub usefulness score 83 out of 100. Diabetes care 2019-08-09 Drug development

    In a large international cardiovascular outcome trial in people with type 2 diabetes and cardiorenal disease, linagliptin did not modulate cognitive decline over 2.5 years.

  8. Memantine monotherapy for Alzheimer's disease: a systematic review and meta-analysis

    ✓ Peer-reviewed alzhub usefulness score 83 out of 100. PloS one 2015-04-10 Treatments

    Memantine monotherapy improved cognition, behavior, activities of daily living, global function, and stage of dementia and was well-tolerated by AD patients.

  9. Effects of the SGLT2 inhibitor dapagliflozin in early Alzheimer's disease: A randomized controlled trial

    ✓ Peer-reviewed alzhub usefulness score 82 out of 100. Alzheimer's & dementia : the journal of the Alzheimer's Association 2025-06 Drug development

    There was no change in the primary outcome.

  10. Nineteen randomized placebo-controlled trials with 6918 participants were included. rTMS was significantly more effective than placebo/sham stimulation.

  11. Effect of long-term pharmacological treatments on Alzheimer disease: A systematic review and network meta-analysis

    ✓ Peer-reviewed alzhub usefulness score 82 out of 100. Medicine 2024-09-20 Treatments

    Seventeen RCTs, comprising 7214 participants, investigated the efficacy of the following drugs: Donepezil, Rivastigmine, Galantamine, Memantine, Ginkgo biloba extract (EGb), Atorvastatin-calcium and Vitamin B in the treatment of AD.

  12. The analysis included 8 randomized placebo-controlled trials with 6547 participants.

  13. From May 13, 2015, to July 22, 2020, 185 participants with Down syndrome were assessed for eligibility and 160 (86%) were randomly assigned either memantine (n=81) or placebo (n=79).

  14. Safety and Tolerability of GRF6019 Infusions in Severe Alzheimer's Disease: A Phase II Double-Blind Placebo-Controlled Trial

    ✓ Peer-reviewed alzhub usefulness score 82 out of 100. Journal of Alzheimer's disease : JAD 2021 Clinical trials

    All patients completed 100%of study visits and infusions.

  15. Safety and efficacy of galantamine in subjects with mild cognitive impairment

    ✓ Peer-reviewed alzhub usefulness score 82 out of 100. Neurology 2008-03-05 Treatments

    Galantamine failed to significantly influence conversion to dementia.

  16. Influence of patient characteristics on efficacy and safety of anti-amyloid monoclonal antibodies in Alzheimer's disease: A systematic review and meta-analysis

    ✓ Peer-reviewed alzhub usefulness score 81 out of 100. Ageing research reviews 2025-12-04 Treatments

    The efficacy and safety of anti-amyloid mAbs in AD may differ based on patients' demographic and genetic factors.

  17. A phase 2 randomized, placebo-controlled study on the efficacy and safety of AR1001, a phosphodiesterase-5 inhibitor, in patients with mild-to-moderate Alzheimer's disease

    ✓ Peer-reviewed alzhub usefulness score 81 out of 100. The journal of prevention of Alzheimer's disease 2025-09-05 Clinical trials

    A total of 210 participants were enrolled and 82% completed 26 weeks of treatment.

  18. The FDA-approved anti-amyloid-β monoclonal antibodies for the treatment of Alzheimer's disease: a systematic review and meta-analysis of randomized controlled trials

    ✓ Peer-reviewed alzhub usefulness score 81 out of 100. European journal of medical research 2023-11-28 Biomarkers

    FDA-approved anti-Aβ mabs have a role in slowing disease progression in patients with AD, at the cost of an increased probability of side effects.

  19. Safety and Efficacy of Anti-Amyloid-β Immunotherapy in Alzheimer's Disease: A Systematic Review and Meta-Analysis

    ✓ Peer-reviewed alzhub usefulness score 81 out of 100. Journal of neuroimmune pharmacology : the official journal of the Society on NeuroImmune Pharmacology 2016-12-26 Treatments

    Immunotherapeutics targeting amyloid-β (Aβ) have had mixed results in clinical trials.

  20. A 1-year, randomized, placebo-controlled study of donepezil in patients with mild to moderate AD

    ✓ Peer-reviewed alzhub usefulness score 81 out of 100. Neurology 2001-08-01 Genetics

    As the first 1-year, multinational, double-blinded, placebo-controlled study of a cholinesterase inhibitor in AD, these data support donepezil as a well tolerated and effective long-term treatment for patients with AD, with benefits over placebo on global assessment, cognition, and ADL.

  21. Novel anti-amyloid-beta (Aβ) monoclonal antibody lecanemab for Alzheimer's disease: A systematic review

    ✓ Peer-reviewed alzhub usefulness score 80 out of 100. International journal of immunopathology and pharmacology 2023 Treatments

    The FDA approved lecanemab for Alzheimer's disease in January 2023 which acts as a novel disease-modifying anti-amyloid-beta (Aβ) human monoclonal antibody and is administered intravenously.

  22. Investigating Partially Discordant Results in Phase 3 Studies of Aducanumab

    ✓ Peer-reviewed alzhub usefulness score 80 out of 100. The journal of prevention of Alzheimer's disease 2023 Clinical trials

    Post-hoc analyses showed that outcomes in the ENGAGE high-dose group were affected by an imbalance in a small number of patients with extremely rapid progression and by lower exposure to the target dose of 10 mg/kg.

  23. Low Dose Lithium Treatment of Behavioral Complications in Alzheimer's Disease: Lit-AD Randomized Clinical Trial

    ✓ Peer-reviewed alzhub usefulness score 80 out of 100. The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry 2021-05-12 Drug development

    Fifty-eight of 77 patients (75.3%) completed the trial.

  24. No significant difference in ADAS-Cog13, CDR Sum of Boxes (CDR-SOB), or FAQ scores were found between treatment groups at 3 and 6 months.

  25. Donanemab (LY3002813) Phase 1b Study in Alzheimer's Disease: Rapid and Sustained Reduction of Brain Amyloid Measured by Florbetapir F18 Imaging

    ✓ Peer-reviewed alzhub usefulness score 80 out of 100. The journal of prevention of Alzheimer's disease 2021 Brain scans and imaging

    Treatment with donanemab resulted in rapid reduction of amyloid, even after a single dose.

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