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MJR-35 Phase 2 Study

MJR-35 phase 2 study to investigate the efficacy and safety in patients with functional dysmenorrhea

Status
Unknown
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2080222925
Enrollment
225
Registered
2015-07-30
Start date
2015-07-30
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Functional Dysmenorrhea

Interventions

Sponsors

MOCHIDA PHARMACEUTICAL CO., LTD.
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: (1) Patients who have a painful symptom (lower abdominal pain or lumber pain) that were considered to be originated in functional dysmenorrhea in a degree of 3 points or more of dysmenorrhea score (2) Patients diagnosed with functional dysmenorrhea by means of transvaginal sonography and pelvic examination (3) Regular menstrual cycle length within 38 days

Exclusion criteria

Exclusion criteria: (1) Patients with a history of either endometriosis, uterine leiomyoma, adenomyosis or secondary dysmenorrhea (2) Patients with a complication of nonmenstrual painful syndrome (lower abdominal pain or lumber pain) (3) Patients with severe or moderate anemia (hemoglobin less than 10.0 g/dL) (4) Patient with undiagnosed abnormal genital bleeding, endometrial polyp, or endometrial hyperplasia (5) Patients with a complication or history of thrombosis, embolism, cerebrovascular disorder or coronary artery disease. Patients with a predisposing factor of thrombosis. etc.

Design outcomes

Primary

MeasureTime frame
Efficacy Change in dysmenorrhea score at primary evaluation period Safety Adverse effect after the initiation of medication Dysmenorrhea score

Secondary

MeasureTime frame
Efficacy (1) Change in dysmenorrhea score at week 4 and 8 in the treatment period (2) Proportion of patients assessed as complete remission in dysmenorrhea score (3) Change in VAS score for painful symptom (lower abdominal pain or lumber pain) Safety Adverse drug reaction after the initiation of medication Dysmenorrhea score, VAS

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026