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NARA study

The clinical trial of alternative Relugolix administration for uterine myoma prior to surgical treatment: a study protocol for Non-Adverse Relugolix Administration study - NARA study

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs051230078
Enrollment
140
Registered
2023-07-26
Start date
2023-10-25
Completion date
Unknown
Last updated
2026-09-14

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

Conditions

Leiomyoma Leiomyoma, pre-surgical treatment, Relgolix, Every other day administration, Everyday administration

Interventions

The administration of relugolix every other day

Sponsors

Kawahara Naoki
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1) Diagnosed with uterine leiomyoma 2) Scheduled for or considering abdominal or laparoscopic hysterectomy or myomectomy 3) Pre-menopausal female 4) Age at the time of consent is between 20 and 51 years old (under 51). 5) The patient has the capacity to consent and is able to give written consent of her own will. 6) ECOG-PS1 or lower (within 1). (ECOG-PS1 means that the patient is limited in strenuous activities, but can walk and perform light or sedentary work.)

Exclusion criteria

Exclusion criteria: 1) Complicated uterine adenomyosis 2) Use of GnRH products within 4 weeks prior to obtaining consent 3) Use of sex hormones other than those listed above at the time consent was obtained 4) Previous treatment with uterine artery embolization or focused ultrasound therapy 5) Diagnosed with a malignant tumor 6) Diagnosed with a disease with abnormal blood coagulation 7) Undertreatment of an anticoagulant 8) Pregnant or susceptible to pregnancy, or in lactation 9) Abnormal genital bleeding without a diagnosis 10) Allergy history to relugolix or synthetic luteinizing hormone-releasing hormone (LH-RH) or LH-RH derivatives 11) Continuously taking erythromycin or rifampicin 12) Patients who are deemed unsuitable for this study by the principal investigator or collaborator

Design outcomes

Primary

MeasureTime frame
The primary endpoint will be the change rate of leiomyoma volume before and after the administration of Relugolix.

Secondary

MeasureTime frame
1) Change in uterine volume from pre-treatment at 24 weeks post-treatment (%) 2) Change in total Kupperman Index score at 24 weeks post-treatment from pre-treatment (points) 3) Change in bone mineral density (BMD) from baseline at 24 weeks post-treatment (%) 4) Change in bone metabolism markers (BAP) from baseline at 24 weeks after study drug administration (%)

Contacts

Public ContactKyohei Nishikawa

Nara Medical University Hospital

K196560@naramed-u.ac.jp+81-744-29-8877

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Sep 19, 2026