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Study on the Central Response Characteristics of the Newly-Formulated Guizhi Fuling Pill in Treating Primary Dysmenorrhea of the Type Caused by Dampness Heat and Blood Stasis

Study on the Central Response Characteristics of the Newly-Formulated Guizhi Fuling Pill in Treating Primary Dysmenorrhea of the Type Caused by Dampness Heat and Blood Stasis

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ITMCTR
Registry ID
ITMCTR2025001697
Enrollment
Unknown
Registered
2025-09-09
Start date
2025-10-31
Completion date
Unknown
Last updated
2025-09-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

primary dysmenorrhea

Interventions

Experimental group:Take 3g of the new prepared Guizhi Fuling Pill extract without decoction one week before menstruation and three days before the onset of menstruation. Continue for 10 consecutive da
Control group:Placebo granules were taken for 10 consecutive days each menstrual cycle, starting from one week before menstruation and the first three days of menstruation, for three consecutive menst

Sponsors

Yichang Maternal and Child Health Care Hospital
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
15 Years to 35 Years

Inclusion criteria

Inclusion criteria: (1) Meets the diagnostic criteria for PDM and the type of damp-heat and blood stasis syndrome; (2) Age 15-35 years old; (3) Menstrual cycle (28±7) days; (4) In the 1-month menstrual cycle prior to receiving this therapy no other treatment was received and within 2 weeks before the treatment no sedative drugs analgesics or hormone drugs were taken; (5) Signed the informed consent form and voluntarily participated in this study. Note: Only patients who meet all 5 of the above criteria can be included in this study.

Exclusion criteria

Exclusion criteria: Patients cannot be enrolled in the study if any of the following conditions apply: (1) Patients with secondary dysmenorrhea due to uterine fibroids, adenomyosis, endometriosis, pelvic inflammatory disease, etc. (2) Women in the preconception period, pregnancy, or lactation. (3) Patients currently using drugs with similar effects to the investigational drug. (4) Patients with a history of low back pain. (5) Patients with severe primary diseases such as cardiovascular, cerebrovascular, liver, kidney, and hematopoietic system diseases. (6) Patients with mental disorders or intellectual disabilities who cannot cooperate with the questionnaire survey. (7) Patients with severe claustrophobia, pacemakers, or ferromagnetic implants in the body, which are contraindications for MRI. (8) Patients with a score of = 50 on the Self-Rating Anxiety Scale [28] or the Self-Rating Depression Scale [29]. (9) Patients who have used analgesics or sedatives within 2 weeks before enrollment. (10) Patients participating in multiple clinical trials simultaneously. (11) Patients who refuse to sign the informed consent form.

Design outcomes

Primary

MeasureTime frame
Pain intensity;

Secondary

MeasureTime frame
Emotional state;Symptoms of dysmenorrhea and associated symptoms;

Countries

China

Contacts

Public ContactNie Chen

Yichang Maternal and Child Health Care Hospital

215490459@qq.com18727257387

Outcome results

None listed

Source: ITMCTR (via WHO ICTRP) · Data processed: Feb 4, 2026