ArticleThe Cochrane database of systematic reviews2025
Melatonin for blood pressure control in adults.
Article in The Cochrane database of systematic reviews, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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.
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.
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesThis is a protocol for a Cochrane Review (intervention). The objectives are as follows: Critical objective To assess the effects of oral melatonin supplementation (immediate‑release (IR) and controlled‑/sustained‑release CR/SR; any dose; ≥ 1 week) versus placebo or no treatment on change in systolic and diastolic blood pressure (SBP, DBP) in adults. Important objectives To examine dose‑response relationships between melatonin dose and changes in SBP and DBP. To assess effects by key participant and intervention characteristics (prespecified subgroups): baseline blood pressure status; concomitant antihypertensive medication use; presence of diagnosed sleep disorder/insomnia; melatonin formulation (IR versus CR/SR); blood pressure measurement method (office versus ambulatory versus home; daytime versus nocturnal); age (< 65 versus ≥ 65 years); sex. To evaluate adverse events (serious and non‑serious) and select patient‑important outcomes (quality of life, sleep quality). To describe any reported longer‑term cardiovascular outcomes (e.g. incident cardiovascular disease events, mortality) when sufficient data are available. These analyses are exploratory given anticipated sparse data.
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Registered trials
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.