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Study of S-equol containing supplement for the control of AIMSS

WJOG18123B: Randomized placebo-controlled study of S-equol containing supplement for the control of aromatase inhibitor-induced musculoskeletal pain and stiffness in hands - SAKURA

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs031240754
Enrollment
300
Registered
2025-03-28
Start date
2025-04-10
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

Aromatase inhibitor-induced musculoskeletal pain and stiffness (AIMSS) in hands

Interventions

S-equol containing supplement (Equelle petit) Placebo

Sponsors

Yamamoto Nobuyuki
Lead Sponsor
Imamura Chiyo
Collaborator

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: Primary enrollment 1) Histologically diagnosed invasive breast cancer 2) Pathological stage I or II 3) Confirmed menopause 4) Hormone receptor positive 5) Currently receiving a standard dose of a third-generation aromatase inhibitor as postoperative adjuvant therapy for at least 21 days prior to primary enrollment, with at least 180 days of treatment planned after primary enrollment 6) Symptoms of arthralgia or stiffness in the fingers develop or worsen after initiation of aromatase inhibitor therapy. 7) Radiotherapy, if any, completed at least 28 days prior to primary enrollment 8) Recovering from adverse effects of surgery, radiation therapy, or chemotherapy 9) Female, 18 years of age or older 10) ECOG performance status of 0 to 1 11) Self-administered Equol production test and symptom assessment 12) Able to enter ePRO 13) No severe impairment of major organs and meet the criteria 14) Patients have been fully informed of the study and have given their written consent prior to enrollment in the study. Secondary Enrollment 1) Non-producers of Equol 2) QuickDASH score of 15 or higher on the day of enrollment after primary enrollment 3) Secondary enrollment date is 21 days after the primary enrollment date (+14 days allowed)

Exclusion criteria

Exclusion criteria: Primary enrollment 1) Patients with local or systemic active infection requiring medical treatment 2) Patients who are breastfeeding or unwillingness to use contraception 3) Clinically problematic psychiatric disorders that would preclude enrollment in the study 4) Receiving continuous systemic administration of steroids or immunosuppressant 5) Has osteoarthritis of the fingers 6) Is under treatment for inflammatory, metabolic (e.g., thyroid dysfunction), or neurogenic arthropathy 7) Is being treated for collagen disease 8) Had a hand or knee fracture or hand or knee surgery within 6 months prior to primary enrollment 9) Had diarrhea symptoms (PRO-CTCAE: loose or watery stools) within 7 days prior to primary enrollment 10) Currently receiving prescribed drugs 11) Currently taking or have previously taken supplements containing Equol 12) Has a soy allergy 13) Other cases deemed inappropriate by the physician Secondary enrollment No exclusion criteria

Design outcomes

Primary

MeasureTime frame
Improves function, pain and stiffness in the hands according to the Modified Score for the Assessment and Quantification of Chronic Rheumatoid Affections of the Hands (M-SACRAH).

Secondary

MeasureTime frame
1. Improves function, pain and stiffness in the hands according to the M-SACRAH of each 3 parts and of the VAS of each 12 items. 2. Improves function, pain and stiffness in the hands according to the Quick DASH score 3. Improves functional quality of life as measured by the Functional Assessment of Cancer Therapy-Endocrine Scale (FACT-ES). 4. Improves joint pain in the hands according to the number of joins with pain. 5. Status for analgesic use. 6. Safety. 7. Duration for AI therapy.

Contacts

Public ContactKaori Terata

Akita University Hospital

trt0605@yahoo.co.jp+81-18-884-6132

Outcome results

None listed

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