Cholinesterase inhibitors for Alzheimer's disease.
J Birks
https://pubmed.ncbi.nlm.nih.gov/16437532/Actively Recruiting
Led by Bernard (Barry) Baumel · Updated on 2026-05-28
10
Participants Needed
1
Research Sites
N/A
Total Duration
Researchers are evaluating whether adding a single infusion of human mesenchymal stem cells hMSCs to the standard treatment with FDA-approved monoclonal antibodies can stabilize cognitive and functional decline in adults aged 55 to 90 with mild cognitive impairment or early Alzheimers disease. This Phase 2 study focuses on patients already receiving monoclonal antibody therapy for at least six months. The main goal is to observe changes in cognitive function and daily living abilities over time. Participants will receive one intravenous infusion of 25 million human mesenchymal stem cells in addition to their ongoing monoclonal antibody treatment. The study does not include a control or placebo group, and there is no masking or blinding. The intervention is followed by assessments at baseline and at 16, 32, and 48 weeks to monitor changes in cognitive and daily functioning. Throughout the study, participants will undergo evaluations using the Alzheimers Disease Scale-Cognitive Subscale ADAS-Cog and the Alzheimers Disease Cooperative Study Activities of Daily Living Inventory for Mild Cognitive Impairment ADCS-MCI-ADL. These assessments will be conducted at multiple time points to track progress. Participants must have a study partner who can report on daily activities, and safety monitoring will continue through the study duration, which lasts nearly one year from the first infusion.
CONDITIONS
Human Mesenchymal Stem Cells & Monoclonal Antibodies in the Treatment for Mild Cognitive Impairment or Early Alzheimer's Disease.
M
Maria E. Puertas
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Bernard (Barry) Baumel
Lead Sponsor
This table compares participation in this trial with other options available for this condition. The information is drawn from published research and the trial’s study details and is provided for educational purposes only.
| Factors | hMSC infusion added to lecanemab or donanemab therapy | Monoclonal antibody therapy alone (lecanemab or donanemab) |
|---|---|---|
| What is it? | Participants receive a single intravenous infusion of 25 million human mesenchymal stem cells (hMSC) while continuing treatment with FDA-approved monoclonal antibody (lecanemab or donanemab). | Continued monoclonal antibody therapy using lecanemab or donanemab, without any additional investigational intervention. |
| Role in study | Test the safety and potential cognitive benefit of hMSC infusion as an add-on to monoclonal antibody therapy in adults with early-stage Alzheimer’s disease. | Representative of current standard care for Alzheimer’s disease; patients continue established monoclonal antibody treatment. |
| Primary use | Investigational use to explore whether hMSC infusion further improves cognitive function and daily living skills compared to monoclonal antibody treatment alone. | Maintain or slow decline in cognitive abilities and daily function in patients with Alzheimer's disease. |
| How is it given/performed? | A single dose of 25 million hMSC is administered intravenously along with ongoing antibody therapy; requires a clinical infusion visit after antibody treatment for at least 6 months. | Monoclonal antibody therapy is typically administered intravenously or subcutaneously on a regular schedule determined by the approved product label. |
| Evidence status | Clinical evidence for hMSC infusion in Alzheimer's disease is limited to early-phase and small pilot studies. Large-scale efficacy and safety data have not yet been established. | Published evidence from large randomized trials shows monoclonal antibody therapies modestly improve cognition and function in early Alzheimer’s disease, though benefits may vary. |
| Important limitations | The trial enrolls a limited number of participants and is not randomized; long-term safety, effect size, and generalizability remain unclear. hMSC infusion is investigational and lacks outcome evidence from large-scale studies. | Monoclonal antibody therapies require regular infusions and monitoring; their effectiveness and safety have been demonstrated, but some patients may experience side effects or limited benefit. |
Disclaimer: This comparison is created with the help of artificial intelligence(AI) and may contain errors or missing information. It is not medical advice and does not mean one option is better or safer than another. Clinical trials are still being studied, and joining a trial is your choice. Please consult your healthcare professional before making any decisions.
You may qualify if you...
You will not qualify if you...
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
Duration - Single infusion with follow-up through Week 48
Participants receive one infusion of 25 million human mesenchymal stem cells intravenously while continuing their FDA-approved monoclonal antibody treatment.
1 infusion visit and follow-up visits at Week 16, Week 32, and Week 48
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
NA
Model
SINGLE_GROUP
Primary Purpose
TREATMENT
Number of Arms
1
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https://pubmed.ncbi.nlm.nih.gov/37213538/Bernard (Barry) Baumel
Lead Sponsor