ArticleJournal of menopausal medicine2021
The Effect of Evening Primrose Oil Capsule on Hot Flashes and Night Sweats in Postmenopausal Women: A Single-Blind Randomized Controlled Trial.
Article in Journal of menopausal medicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05988242 (Effect of Primrose Oil Versus Lavender Oil on Hot Flashes and Night Sweats Among Menopausal Women), which is not on this map. Cited by 6 papers, 2 of them syntheses that pooled 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.
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.
Effect of Primrose Oil Versus Lavender Oil on Hot Flashes and Night Sweats Among Menopausal Women
Who cites it
6 citing papers in PubMed, 2 syntheses or guidelines pooled it, 10 citations in OpenAlex.
- The Effectiveness of Non-Soy Oral Herbal Supplements for Menopausal Symptoms: A Systematic Review.Nutrients · 2026Pooled it
- The Effect of Evening Primrose Oil on Menopausal Symptoms Management: A Systematic Review and Meta-Analysis.Journal of caring sciences · 2025Pooled it
- Hot flashes: a review.Frontiers in medicine · 2026Review
- Holistic horizons: understanding the landscape of traditional and complementary medicines among menopausal women in Kuala Lumpur.BMC complementary medicine and therapies · 2025Article
- Dietary Supplement Intake and Fecundability in a Singapore Preconception Cohort Study.Nutrients · 2022Article
- Herbal Products Used in Menopause and for Gynecological Disorders.Molecules (Basel, Switzerland) · 2021Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesMenopause is associated with complications that could decline women's health during this period. Therefore, some of its complications, such as hot flashes and night sweats, must be treated or alleviated.
methodsThis randomized controlled trial included postmenopausal women who were referred to health centers in Hamadan from May 2018 to April 2019. The hot flash and night sweat questionnaires were completed by the researcher a week before and 8 weeks after the intervention. The intervention group took one capsule (1,000 mg) of evening primrose oil twice daily, while the control group received the same amount of placebo. Finally, the results were analyzed using Stata 13.
resultsThe mean scores of duration, frequency, and severity of hot flashes did not significantly decrease in both groups after the intervention compared with before the intervention, and no statistically significant difference was observed (
conclusionEvening primrose oil effectively decreased the frequency and severity of night sweats.
Indexed as
Identifiers
What OpenQuestion holds
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.