This Protocol for TU2670 is to investigate the efficacy, safety, pharmacokinetics (PK), and pharmacodynamics (PD) of multiple doses of TU2670 in subjects with moderate to severe endometriosis-associated pain.
Treatment Groups and Duration: Following a washout period of up to 12 weeks, subjects will enter a screening period of up to 12 weeks including an observation period consisting of a complete menstrual cycle. Subjects will be randomly assigned in a 1:1:1:1 ratio to receive either 12 weeks of TU2670 320 mg QD, TU2670 240 mg QD, TU2670 120 mg QD, or matching placebo. TU2670 or a matching placebo will be administered in the clinic on Day 1. Subjects in the PK subset population will also receive the following additional doses in the clinic: Day 2 (after collection of the 24-hour PK sample); the dose on the day scheduled for subsequent serial PK sample collection (Week 4 or Week 5); and the next scheduled dose (after collection of the 24-hour PK sample). All other doses can be taken by the subject at home. Following the end of treatment, subjects will be followed up for safety for 12 weeks. Statistical Methods: All formal statistical tests will be done at the 5% 2-sided significance level. Point estimates will have 2 sided 95% confidence intervals (CIs) where applicable. Where appropriate, variables will be summarized descriptively (frequency and percent will be summarized for categorical variables; n (number of available subjects), mean, standard deviation \[SD\], median, minimum, and maximum will be presented for continuous variables) by study visit and by treatment group. Statistical summaries will be presented for the changes from baseline to each time point in efficacy endpoints that it is applicable.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
86
4 x placebo capsules, QD
320mg (80mg x 4), QD
240mg (80mg x 3 + placebo x 1), QD
overall pelvic pain
Change from baseline to 12 weeks of treatment of the mean dysmenorrhea score (defined as mean overall pelvic pain score on menstrual bleeding days) as measured by the Numeric Rating Scale(minimum 0, maximum 10, higher score mean a worse outcome) over the past month.
Time frame: 12 weeks
mean Numeric Rating Scale pain score
Change from baseline to 12 weeks of treatment of the mean Numeric Rating Scale pain score(minimum 0, maximum 10, higher score mean a worse outcome) for non-menstrual pelvic pain (mean Numeric Rating Scale pain score on non menstrual bleeding days)
Time frame: 12 weeks
mean overall pelvic pain Numeric Rating Scale pain score
Change from baseline to 12 weeks of treatment of the mean overall pelvic pain Numeric Rating Scale pain score (mean Numeric Rating Scale pain score(minimum 0, maximum 10, higher score mean a worse outcome) over all 28 days)
Time frame: 12 weeks
mean Numeric Rating Scale dyspareunia score
Change from baseline to 12 weeks of treatment of the mean Numeric Rating Scale((minimum 0, maximum 10, higher score mean a worse outcome) dyspareunia score
Time frame: 12 weeks
rescue medication
Change from baseline to 12 weeks of treatment of the use of protocol-defined rescue medication (ie, ibuprofen)
Time frame: 12 weeks
Time to increase of dose of rescue medication
Time to increase of dose of rescue medication from 0 week to 12 weeks
Time frame: 12 weeks
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120mg (80mg x 1 + 20mg x 2 + placebo x 1), QD
University Hospital Hradec Kralove
Hradec Králové, Hradec Kralove, Czechia
Kestr-gyn s.r.o., Gynekologicka ambulance
Náchod, Nachod, Czechia
Fakultni Nemocnice Kralovske Vinohrady
Prague, Prague, Czechia
OB/GYN
Prague, Praha 1, Czechia
Vseobecna fakultni nemocnice v Praze, Dept. of Gynekologicko- porodnickaklinika 1.LF UK
Prague, Praha 2, Czechia
University Hospital Brno
Brno, Czechia
NEUMED gynekologicka ambulance
Olomouc, Czechia
Nemocnice Na Bulovce
Prague, Czechia
Università degli Studi di Cagliari - Policlinico Universitario Duilio Casula
Monserrato, Cagliari, Italy
Azienda ospedaliero-universitaria Senese
Siena, Tuscany, Italy
...and 30 more locations
Time to decrease of dose of rescue medication
Time to decrease of dose of rescue medication from 0 week to 12 weeks
Time frame: 12 weeks
Modified Biberoglu and Behrman sign and symptom scores
Change from baseline to 12 weeks of treatment of the Modified Biberoglu and Behrman (mB\&B) sign and symptom scores(minimum 0, maximum 3, higher score mean a worse outcome)
Time frame: 12 weeks
Patient Global Impression of Change
Patient Global Impression of Change (minimum 1, maximum 7, higher score mean a worse outcome) at 12 weeks of treatment
Time frame: 12 weeks
Endometriosis Health Profile-5
Change from baseline to 12 weeks of treatment in the Endometriosis Health Profile-5 score(minimum 1(Never), maximum 5(Always), higher score mean a worse outcome)
Time frame: 12 weeks
36-Item Short Form Health Survey
Change from baseline to 12 weeks of treatment of the 36-Item Short Form Health Survey(Scoring meaning is different from the questions but usually lower score mean a worse outcome)
Time frame: 12 weeks
Work Productivity and Activity Impairment Questionnaire: General Health
Change from baseline to 12 weeks of treatment of the Work Productivity and Activity Impairment Questionnaire: General Health (Scoring meaning is different from the questions)
Time frame: 12 weeks