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Passive antiamyloid immunotherapy for Alzheimer's disease
Loureiro JC, Pais MV, Stella F, Radanovic M, Teixeira AL, Forlenza OV, de Souza LC.. Current opinion in psychiatry, 2020-05-01
Topic: Amyloid, tau and blood-test diagnosis
Purpose of review Antiamyloid therapy of Alzheimer's disease tackles the overproduction and clearance of the amyloid-beta peptide (Aβ). Immunotherapeutic compounds were tested in large-scale trials. We revisit the recent literature focusing on randomized-controlled trials (RCT) using monoclonal anti-Aβ antibodies. Recent findings Forty-three articles on anti-Aβ passive immunotherapy for Alzheimer's disease were published between January 2016 and October 2019 regarding 17 RCTs: 13 phase III trials using the monoclonal antibodies bapineuzumab, solanezumab, gantenerumab, crenezumab, and aducanumab; three phase II with crenezumab and aducanumab; and one phase I trial with BAN2401. Studies resulted largely negative considering the effect of the treatment on primary and secondary outcome variables. The incidence of the most important adverse effect, amyloid-related imaging abnormalities (ARIAs) ranged between 0.2 and 22%, in treatment groups. Primary endpoints were not met in eight trials, and five trials were discontinued prior to completion. Summary Passive immunotherapy RCTs failed to show clinically relevant effects in patients with clinically manifest or prodromal dementia. The high incidence of ARIAs indicates that the risk of adverse events may outweigh the benefits of these interventions. Ongoing studies must determine the benefit of such interventions in preclinical Alzheimer's disease, addressing the effect of antiamyloid immunotherapy in samples of asymptomatic carriers of autosomal-dominant mutations related to early-onset Alzheimer's disease.
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APA 7th
Loureiro, J. C., Pais, M. V., Stella, F., Radanovic, M., Teixeira, A. L., Forlenza, O. V., et al. (2020). Passive antiamyloid immunotherapy for Alzheimer's disease. Current opinion in psychiatry. https://doi.org/10.1097/yco.0000000000000587
Vancouver
Loureiro JC, Pais MV, Stella F, Radanovic M, Teixeira AL, Forlenza OV, et al. Passive antiamyloid immunotherapy for Alzheimer's disease. Current opinion in psychiatry. 2020. doi:10.1097/yco.0000000000000587. PMID: 32040044.
BibTeX
@article{loureiro2020-32040044,
author = {Loureiro, J. C. and Pais, M. V. and Stella, F. and Radanovic, M. and Teixeira, A. L. and Forlenza, O. V. and de Souza, L. C.},
title = {{Passive antiamyloid immunotherapy for Alzheimer's disease}},
journal = {Current opinion in psychiatry},
year = {2020},
doi = {10.1097/yco.0000000000000587},
pmid = {32040044},
url = {https://doi.org/10.1097/yco.0000000000000587}
}
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Key findings
- The high incidence of ARIAs indicates that the risk of adverse events may outweigh the benefits of these interventions.
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Study details
- Evidence strengthHigh
How this study scored 45/100
Published in a peer-reviewed journal. Scored zero for study design, sample size, effect reported, studied in people and randomised / blinded because the record does not state it. We have no data on journal's citation record, times cited, citations per year, impact for its field and year, cited by studies here, still being cited, senior author's track record, institution's track record and multi-centre collaboration, so those were left out: it earned 26 of the 58 points we could judge it on, which is 45 out of 100.
| Component | Points | Why |
|---|---|---|
| Journal tier | 7 / 10 | Tier 3 — peer-reviewed journal (Current opinion in psychiatry) |
| Journal's citation record | — / 4 | No journal record from OpenAlex — left out of this score |
| Study design | 0 / 12 | No study design recorded — scores zero, not guessed (not stated in the record — scored 0) |
| Strength of evidence | 5 / 5 | Rated “high” in our summary |
| Peer-review validation | 10 / 10 | Peer-reviewed. Published as an article in a named peer-reviewed journal. |
| How recent | 2 / 5 | 2020 — within 10 year(s) of the newest study here |
| Sample size | 0 / 4 | Participant count not stated — scores zero (not stated in the record — scored 0) |
| Effect reported | 0 / 3 | No effect size reported — scores zero (not stated in the record — scored 0) |
| Studied in people | 0 / 3 | Not stated whether this was studied in people — scores zero (not stated in the record — scored 0) |
| Randomised / blinded | 0 / 2 | No randomisation or blinding stated — scores zero (not stated in the record — scored 0) |
| Times cited | — / 7 | No citation count (not found in OpenAlex) — left out of this score |
| Citations per year | — / 5 | No citation count or no year — left out of this score |
| Impact for its field and year | — / 6 | No field-weighted citation impact (OpenAlex has none yet) — left out of this score |
| Cited by studies here | — / 6 | Not yet checked against this library's citation graph — left out of this score |
| Still being cited | — / 4 | No yearly citation counts — left out of this score |
| Senior author's track record | — / 4 | Senior author's record not available — left out of this score |
| Institution's track record | — / 3 | No institution listed in OpenAlex — left out of this score |
| Multi-centre collaboration | — / 3 | Institutions not listed — left out of this score |
| Indexed in PubMed | 2 / 2 | Indexed in PubMed (PMID 32040044) |
| Free to read | 0 / 2 | Behind a paywall — scores zero |
| Points | 26 / 58 | Scored on 11 of 20 parts. We have no data for the rest, so they are left out: 26 of the 58 points we could judge it on is 45 out of 100. |
| Total | 45 / 100 | — |
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