Evidence map›Paper›PMID 34249901›Full record

ReviewFrontiers in cell and developmental biology2021

Are We Ready for Cell Therapy to Treat Stroke?

Fernando José Rascón-Ramírez, Noelia Esteban-García, Juan Antonio Barcia, Albert Trondin, Cristina Nombela, Leyre Sánchez-Sánchez-Rojas

Abstract readReview
In one paragraph

Review in Frontiers in cell and developmental biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
19citing 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

19 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

6 authors.

Fernando José Rascón-RamírezDepartment of Neurosurgery, Hospital Cl nico San Carlos, Madrid, Spain.
Noelia Esteban-GarcíaRegenerative Medicine and Advanced Therapies Laboratory, Instituto de Investigación Sanitaria San Carlos (IdISSC), Hospital Cl nico San Carlos, Madrid, Spain.
Juan Antonio BarciaDepartment of Neurosurgery, Hospital Cl nico San Carlos, Madrid, Spain.
Albert TrondinDepartment of Neurosurgery, Hospital Cl nico San Carlos, Madrid, Spain.
Cristina NombelaDepartment of Biological and Health Psychology, Universidad Autónoma de Madrid, Madrid, Spain.
Leyre Sánchez-Sánchez-RojasDepartment of Neurosurgery, Hospital Cl nico San Carlos, Madrid, Spain.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Clinical trials of cell therapies that target stroke started at the beginning of this century and they have experienced a significant boost in recent years as a result of promising data from basic research studies. The increase in the information available has paved the way to carry out more innovative and varied human studies. Efforts have focused on the search for a safe and effective treatment to stimulate neuro-regeneration in the brain and to reduce the sequelae of stroke in patients. Therefore, this review aims to evaluate the clinical trials using cell therapy to treat stroke published to date and assess their limitations. From 2000 to date, most of the published clinical trials have focused on phases I or II, and the vast majority of them demonstrate that stem cells are essentially safe to use when administered by different routes, with transient and mild adverse events that do not generally have severe consequences for health. In general, there is considerable variation in the trials in terms of statistical design, sample size, the cells used, the routes of administration, and the functional assessments (both at baseline and follow-up), making it difficult to compare the studies. From this general description, possibly the experimental protocol is the main element to improve in future studies. Establishing an adequate experimental and statistical design will be essential to obtain favorable and reliable results when conducting phase III clinical trials. Thus, it is necessary to standardize the criteria used in these clinical trials in order to aid comparison. Shortly, cell therapy will be a key approach in the treatment of stroke if adequate and comprehensive levels of recovery are to be achieved.

Indexed as

administration routecell therapeutic potentialclinical trialdiagnosisstroketherapy

Identifiers

PMID34249901
PMCPMC8260969

What OpenQuestion holds

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Registered trials

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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.