Efficacy and Safety, Long-Term Study of NPC-01 to Treat Dysmenorrhea Associated With Endometriosis
Phase3, Open-Label, Long-Term, NSAID-Add-on, Clinical Trial of NPC-01 for Treatment of Dysmenorrhea Associated With Endometriosis.
Study Overview
Study Type
Enrollment (Actual)
Phase
- Phase 3
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Dysmenorrhea associated with endometriosis
Exclusion Criteria:
- Severe hepatopathy
- Pregnant woman
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
|---|---|
|
Experimental: NPC-01
Norethisterone, Ethinyl Estradiol
|
This study consist of the following steps. Step 1(Norethisterone 0.6mg, Ethinyl Estradiol 0.035mg):From first study medication to 3th menstrual cycles. Step 2(Norethisterone 1mg, Ethinyl Estradiol 0.035mg): After interim analysis of the results of step 1, in the case of the efficacy results meet prespecified criterion, same dose level will be continued to 13th menstrual cycles including step 1. If the results do not meet prespecified criterion, the dose will be increased to Norethisterone 1mg, Ethinyl Estradiol 0.035mg and be continued newly until 13th menstrual cycle from this point. |
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Patient Response to Treatment for Dysmenorrhea, as Evaluated by Difference of Total Dysmenorrhea Score (Baseline/Pretreatment-End of Treatment)
Time Frame: 52 weeks
|
The detail of dysmenorrhea score that was used in this study is the following. These subscales summed for a total dysmenorrhea score (minimum 0 to maximum 6). Pain score None 0 : None Mild 1 : There are some troubles for work Moderate 2 : Needing to rest in bed and/or affecting work Severe 3 : Morre than 1 day in bed and not possible to work Drug score (during a menstrual period) None 0 : None Mild 1 : taking analgesics for 1 days Moderate 2 : taking analgesics for 2 days Severe 3 : taking analgesics more than 3 days |
52 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Difference in the Visual Analog Scale (VAS) of Dysmenorrhea (Baseline/Pretreatment-dnd of Treatment)
Time Frame: 52 weeks
|
VAS stands for Visual Analogue Scale of pain.
The scale was rated as a graphic rating scale.
as a 100mm baseline from 0:No pain to 100:Worst possible pain.
|
52 weeks
|
Collaborators and Investigators
Sponsor
Investigators
- Study Director: Naoki Terakawa, M.D.,Ph.D., Nissay Hospital,Osaka,Japan
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimated)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- NPC-01-1
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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