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Efficacy and Safety of TAK-385 in the Treatment of Endometriosis

A Phase II, Multicenter, Randomized, Double-blind, Parallel-group, Placebo-controlled Study of the Efficacy and Safety of TAK-385 10, 20, and 40 mg (p.o.) in the Treatment of Endometriosis

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01458301
Enrollment
487
Registered
2011-10-24
Start date
2011-10-31
Completion date
2013-08-31
Last updated
2014-02-25

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

Conditions

Endometriosis

Keywords

Drug Therapy

Brief summary

The purpose of this study is to determine the efficacy and safety of TAK-385, once daily (QD), for 12 weeks in women with endometriosis.

Detailed description

This Phase II, multicenter, double-blind, randomized, parallel-group, placebo-controlled study will evaluate the efficacy and safety of 3 dose levels (10, 20, and 40 mg) of TAK-385 following oral administration for 12 weeks in women with endometriosis.

Interventions

DRUGPlacebo

TAK-385 placebo-matching tablets, orally, once daily and Leuprorelin acetate placebo injection, subcutaneously, once every 4 weeks for up to 12 weeks.

TAK-385 10 mg, tablets, orally, once daily and Leuprorelin acetate placebo injection, subcutaneously, once every 4 weeks for up to 12 weeks

DRUGLeuprorelin acetate

TAK-385 placebo-matching tablets, orally, once daily and Leuprorelin acetate injection, subcutaneously, once every 4 weeks for up to 12 weeks

Sponsors

Takeda
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
FEMALE
Age
20 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Premenopausal women 2. The participants must have dysmenorrhea and pelvic pain associated with endometriosis. 3. The participant has experienced a regular menstrual cycle. 4. The participant has been diagnosed with endometriosis by method a), b), or c). * Laparotomy * Laparoscopy * Chocolate cyst of the ovary confirmed by MRI

Exclusion criteria

1. Participants diagnosed with measurable uterine fibroids with the longest diameter of 3 cm or larger 2. Participants with lower abdominal pain due to irritable bowel syndrome or severe interstitial cystitis 3. Participants with a previous or current history of thyroid dysfunction 4. Participants with current or previous history of pelvic inflammatory disease 5. Participants with positive PAP smear test result conducted 6. Participants with a history of panhysterectomy or bilateral oophorectomy 7. Participants judged by investigator to have marked abnormal uterine bleeding or anovulatory bleeding 8. Participants with a previous or current history of a malignant tumor 9. Participants who have been treated with any of the following drugs: anticoagulant drug, antiplatelet drug, tranexamic acid, selective estrogen receptor modulator (SERM), activated vitamin D, other vitamin D, calcitonin, ipriflavone, steroid hormone, vitamin K, teriparatide,or denosumab 10. Participants who have been treated with any of the following drugs: oral contraceptive and sex hormone preparation, gonadotropin-releasing hormone (GnRH) analogue, dienogest, danazol, or aromatase inhibitor 11. Participants who have been treated with bisphosphonate preparation 12. Participants with a previous or current history of hypersensitivity or allergy to Leuplin, synthetic LH-RH, LH-RH derivatives, gelatin-containing formulations or food containing gelatin, or have a previous or current history of severe hypersensitivity or severe allergy to other drugs 13. Participants with non-diagnosable abnormal genital bleeding 14. Participants with a previous or current history of osteoporosis, bone mass loss, or other metabolic bone diseases 15. Participants with clinically significant cardiovascular disease or uncontrollable hypertension 16. Participants judged by investigator to be inappropriate to participate in this study based on the 12-lead electrocardiogram (ECG) findings 17. Participants with active liver disease or jaundice, or with alanine aminotransferase (ALT), aspartate aminotransferase (AST), or total bilirubin \> 1.5 times the upper limit of normal (ULN) in the clinical laboratory tests

Design outcomes

Primary

MeasureTime frameDescription
Score for pelvic pain as measured by the Visual Analogue Scale (VAS)Week 12 (one menstrual cycle)Pelvic pain will be assessed using the VAS as pain evaluation scale.

Secondary

MeasureTime frameDescription
VAS Score for DyspareuniaUp to Week 12.Dyspareunia will be assessed using the VAS as pain evaluation scale
Bone Mineral DensityUp to Week 12.Measured by Dual-energy X-ray absorptiometry (DXA)
Treatment-emergent Adverse Events.Up to Week 16Treatment-emergent adverse events are defined as any unfavorable and unintended sign, symptom or disease temporally associated with the use of a medicinal product reported from first dose of study drug through the last visit (Week 16)
Vital SignsUp to Week 12.Vital signs will include body temperature, sitting blood pressure and pulse (bpm).
VAS Score for Pelvic PainUp to Week 12.Pelvic pain will be assessed using the VAS as pain evaluation scale
Electrocardiograms.Up to Week 12.
Number of Participants with Markedly Abnormal Standard Safety Laboratory ValuesUp to Week 24
Serum NTxUp to Week 12.NTx is one of the biochemical bone metabolism markers
Serum BAPUp to Week 12.BAP is one of the biochemical bone metabolism markers
Body WeightUp to Week 12.

Countries

Japan

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 26, 2026