MétaCan
Menu
Back to cohort
Record W2980942689 · doi:10.6000/1929-6029.2019.08.09

Property of Melatonin of Acting as an Antihypertensive Agent to Antagonize Nocturnal High Blood Pressure: A Meta-Analysis

2019· article· en· W2980942689 on OpenAlexvenueno aff
Renato De Vecchis, Andrea Paccone, Marco Di Maio

Bibliographic record

VenueInternational Journal of Statistics in Medical Research · 2019
Typearticle
Languageen
FieldNeuroscience
TopicCircadian rhythm and melatonin
Canadian institutionsnot available
Fundersnot available
KeywordsMelatoninBlood pressureBedtimePlaceboNocturnalMedicineInternal medicineEndocrinology

Abstract

fetched live from OpenAlex

Therapy of hypertension persisting in the course of nocturnal sleep has yielded rather disappointing results . Therefore, the research has focused on drugs such as melatonin acting in such a way so as to counteract the lack of fall in blood pressure during night time sleep. A meta-analysis has been planned by gathering only randomized controlled trials( RCTs), where melatonin was administered as a single dose at bedtime and compared with placebo. The efficacy was the "night time variation in systolic blood pressure" and the "night time variation in diastolic blood pressure". Safety endpoint was the possible occurrence of serious adverse events. Seven studies with 221 participants were pooled in the meta-analysis. Melatonin use was a predictor of significant decrease in nocturnal systolic blood pressure[SBP]( difference in means[MD]= -5.74 mm Hg; 95% CI: -6.07 to- 5.41 mm Hg; p<0.00001).This change was generated by the very steep decrease in nocturnal SBP detected in patients treated with controlled-release(CR) melatonin ( MD=-8.42 mm Hg; 95% CI: -8.82 to- 8.02 mm Hg; p<0.00001); whereas the mean change in nocturnal SBP, found in patients taking fast -release (FR)melatonin, was nonsignificant (MD=-0.06 mm Hg; 95% CI: -0.64 to 0.52 mm Hg; p=0.84). Likewise, use of melatonin was associated with a fall in DBP( MD= -0.60 mm Hg; 95% CI=-1.12 to -0.08 mm Hg), driven by the pressure changes attained by the CR melatonin. No major adverse events occurred in the examined trials. Evening administration of CR melatonin has been shown to cause a significant pressure decrease over the nocturnal sleep. Thus, the CR melatonin preparations could find a place in the antihypertensive armamentarium for promoting the physiological fall of blood pressure levels during night time sleep.

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 machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.012
metaresearch head score (Gemma)0.016
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Meta-analysis · Consensus signal: Meta-analysis
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.017
Threshold uncertainty score0.065

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0120.016
Meta-epidemiology (narrow)0.0030.002
Meta-epidemiology (broad)0.0170.061
Bibliometrics0.0040.004
Science and technology studies0.0010.001
Scholarly communication0.0030.001
Open science0.0020.001
Research integrity0.0020.002
Insufficient payload (model declined to judge)0.0030.000

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 head0.127
GPT teacher head0.429
Teacher spread0.302 · 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 source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designMeta-analysis
Domainnot available
GenreEmpirical

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

Citations3
Published2019
Admission routes1
Has abstractyes

Explore more

Same venueInternational Journal of Statistics in Medical ResearchSame topicCircadian rhythm and melatoninFrench-language works237,207