Level C· Early human research exploring benefitsProspective StudyEurope PMCOpen access

Amelioration of female menopausal syndrome by intravenous administration of autologous menstrual blood-derived stem cells

Izawa H., Xiang C., Ogawa S., Hisanaga I., Yoshimoto T.

Prospective Study with a reported sample of 15 on Hair & Scalp, Systemic / IV, published in Regen Ther (2025) — summary generated from the PubMed abstract.

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Level C· Early human research exploring benefitsEvidence level of this study

Early human evidence such as case series or small samples is exploring possible benefits.

  • Level A · Stronger Clinical Evidence
  • Level B · Emerging clinical evidence with positive signals
  • Level C · Early human research exploring benefits
  • Level D · Scientific groundwork from lab and animal studies
  • Emerging · Emerging topic under active research
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Study type
Prospective Study
Journal
Regen Ther (2025)
Reported sample size
15
Source database
Europe PMC
PMID
40225052
PMCID
PMC11992397
DOI
10.1016/j.reth.2025.03.009
Citations
2

Abstract (original English)

Introduction Menopausal syndrome is characterized by a wide range of physical and psychological symptoms in women aged 40s-50s as a result of hormonal fluctuations and age-related decline. Various treatments have been used to manage the symptoms, including hormone replacement therapy, but no effective causal therapies have yet been identified. Regenerative medicine has gained considerable attention as a promising approach to age-related problems, and mesenchymal stem cell therapies have been extensively studied. Recently, menstrual blood has emerged as a novel cell source of stem cells, called menstrual blood-derived stem cells (MenSCs), due to its non-invasive, regular and consistent collection from women. In this study, we have investigated the therapeutic potential of intravenous administration of autologous MenSCs on female menopausal syndromes. Methods Menstrual blood was collected from 15 patients aged 30s-60s with ovarian dysfunction using a menstrual cup, and MenSCs were isolated, cultured and expanded. Patients received either 3 × 10 7 cells or 1 × 10 8 cells intravenously 1 to 5 times at intervals of more than 1 month. Patient-reported symptoms were assessed using the Simplified Menopausal Index at pre-treatment and after 1, 3, 6, and 12 months, and safety assessments were performed. Serum estradiol and follicle-stimulating hormone levels were also measured by immunoa

What this study does not prove

  • • This study does not prove SVF is an approved treatment or a replacement for standard care.

Evidence level

Early human evidence such as case series or small samples is exploring possible benefits.

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