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Record W3003972183 · doi:10.1002/stem.3150

Using umbilical cord blood for regenerative therapy: Proof or promise?

2020· review· en· W3003972183 on OpenAlexafffund
David Allan

Bibliographic record

VenueStem Cells · 2020
Typereview
Languageen
FieldMedicine
TopicMesenchymal stem cell research
Canadian institutionsCanadian Blood ServicesOttawa HospitalUniversity of Ottawa
FundersCanadian Blood Services
KeywordsCord bloodRegenerative medicineUmbilical cordCell therapyMedicineStem cellClinical trialIntensive care medicineBiologyBioinformaticsInternal medicineImmunology

Abstract

fetched live from OpenAlex

The identification of nonhematopoietic progenitor cells in cord blood has spawned great interest in using cord blood cells for new indications in regenerative therapy. Many preclinical studies demonstrated improvement in reperfusion and markers of organ recovery using cord blood-derived cells in a range of animal models. Initial results heralded increasing clinical interest regarding the use of cord blood for regenerative therapy. Initial clinical studies were largely uncontrolled feasibility studies that were case series and reported on small numbers of patients. The emergence of controlled studies has been slower, although multiple controlled studies have been conducted in patients with cerebral palsy and type I diabetes. Heterogeneity in the cellular product, patients, study design, and the timing of outcome measurements remains barriers to meta-analysis and a clearer understanding of efficacy. Controlled studies of modest size have been reported for a range of additional conditions. The conduct of controlled clinical trials to evaluate potential new uses of cord blood for regenerative therapy remains essential. None of the indications studied to date can be regarded as proven. Moreover, consistency in outcome reporting in terms of the instruments used and the time points for assessment after therapy are needed, including longer follow-up of study participants. Frequent and careful evaluation of the evidence will allow cord blood banks, health care providers, and patients to assess potential new options in the use of cord blood for regenerative therapy.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Review · Consensus signal: Review
Teacher disagreement score0.972
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0030.001
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0010.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.390
GPT teacher head0.461
Teacher spread0.071 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

Study designNot applicable
Domainnot available
GenreReview

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations24
Published2020
Admission routes2
Has abstractyes

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