Evidence map›Paper›PMID 33344754›Full record

ArticleAlzheimer's & dementia (New York, N. Y.)2020

Safety and tolerability of GRF6019 in mild-to-moderate Alzheimer's disease dementia.

Jonas Hannestad, Katie Koborsi, Vicki Klutzaritz, Whitney Chao, Rebecca Ray, Antonio Páez, Sam Jackson, Scott Lohr, Jeffrey L Cummings, Gary Kay and 2 more

Abstract read
In one paragraph

Article in Alzheimer's & dementia (New York, N. Y.), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

12 citing papers in PubMed, 1 synthesis or guideline pooled it.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors.

Jonas HannestadAlkahest Inc. San Carlos California USA.
Katie KoborsiAlkahest Inc. San Carlos California USA.
Vicki KlutzaritzAlkahest Inc. San Carlos California USA.
Whitney ChaoAlkahest Inc. San Carlos California USA.
Rebecca RayAlkahest Inc. San Carlos California USA.
Antonio PáezBioscience Division Grifols, S.A., Parque Empresarial Can Sant Joan, Avinguda de la Generalitat Barcelona Spain.
Sam JacksonAlkahest Inc. San Carlos California USA.
Scott LohrAlkahest Inc. San Carlos California USA.
Jeffrey L CummingsChambers-Grundy Center for Transformative Neuroscience Department of Brain Health School of Integrated Health Sciences University of Nevada Las Vegas Las Vegas Nevada USA.
Gary KayCognitive Research Corporation St. Petersburg Florida USA.
Karoly NikolichAlkahest Inc. San Carlos California USA.
Steven BraithwaiteAlkahest Inc. San Carlos California USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionThis phase 2 trial evaluated the safety, tolerability, and feasibility of repeated infusions of the plasma fraction GRF6019 in mild-to-moderate Alzheimer's disease.

methodsIn this randomized, double-blind, dose-comparison trial, 47 patients were randomized 1:1 to receive daily infusions of 100 mL (n = 24) or 250 mL (n = 23) of GRF6019 for 5 consecutive days over two dosing periods separated by a treatment-free interval of 3 months.

resultsThe mean (standard deviation [SD]) age of the enrolled patients was 74.3 (6.9), and 62% were women. Most adverse events (55%) were mild, with no clinically significant differences in safety or tolerability between the two dose levels. The mean (SD) baseline Mini-Mental State Examination score was 20.6 (3.7) in the 100 mL group and 19.6 (3.7) in the 250 mL group; at 24 weeks, the within-patient mean change from baseline was -1.0 points (95% confidence interval [CI], -3.1 to 1.1) in the 100 mL group and +1.5 points (95% CI, -0.4 to 3.3) in the 250 mL group. The within-patient mean change from baseline on the Alzheimer's Disease Assessment Scale-Cognitive subscale was -0.4 points (95% CI, -2.9 to 2.2) in the 100 mL group, while in the 250 mL group it was -0.9 points (95% CI, -3.0 to 1.2). The within-patient mean change from baseline on the Alzheimer's Disease Cooperative Study-Activities of Daily Living was -0.7 points in the 100 mL group (95% CI, -4.3 to 3.0) and -1.3 points (95% CI, -3.4 to 0.7) in the 250 mL group. The mean change from baseline on the Category Fluency Test, Clinical Dementia Rating Scale-Sum of Boxes, Alzheimer's Disease Cooperative Study-Clinical Global Impression of Change, and Neuropsychiatric Inventory Questionnaire was similar for both treatment groups and did not show any worsening. DISCUSSION: GRF6019 was safe and well tolerated, and patients experienced no cognitive decline and minimal functional decline. These results support further development of GRF6019.

Indexed as

agingAlzheimer's diseasedementiaplasmarandomized clinical trial

Identifiers

PMID33344754
PMCPMC7744029

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.