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TAK-385

Phase 2

Endometriosis | Small molecule | Endocrine |Takeda Pharmaceutical Company Limited|Last Updated: Nov 19, 2018

Success Probability

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials2
Total Enrollment884

FDA Designations

No designations recorded

Clinical trial landscape

TAK-385 · 7 trials · 6 indications

Phase 2 4Phase 1 3
NCT02135445Safety and Efficacy of TAK-385 for Patients With Localized Prostate CancerProstate Cancer
COMPLETED103 Analytics
NCT01452685A Long-term Extension Study of TAK-385 in the Treatment of EndometriosisEndometriosis
COMPLETED397 Analytics
NCT01452659Efficacy and Safety of TAK-385 in the Treatment of Uterine FibroidsUterine Fibroids
COMPLETED216 Analytics
NCT01458301Efficacy and Safety of TAK-385 in the Treatment of EndometriosisEndometriosis
COMPLETED487 Analytics
PHASE2COMPLETED
Safety and Efficacy of TAK-385 for Patients With Localized Prostate Cancer
Prostate CancerUnlock trial analytics
PHASE2COMPLETED
A Long-term Extension Study of TAK-385 in the Treatment of Endometriosis
EndometriosisUnlock trial analytics
PHASE2COMPLETED
Efficacy and Safety of TAK-385 in the Treatment of Uterine Fibroids
Uterine FibroidsUnlock trial analytics
PHASE2COMPLETED
Efficacy and Safety of TAK-385 in the Treatment of Endometriosis
EndometriosisUnlock trial analytics

Study Endpoints

Primary Endpoints

Percentage of Participants With Effective Castration Rate Over 25 Weeks
Day 1 Week 5 up to Day 1 Week 25

Castration rate is defined as the observed percentage of participants who have testosterone concentrations less than (\<) 50 nanogram per deciliter (ng/dL) (1.73 nanomole per liter \[nmol/L\]) at all scheduled visits.

Bone Mineral Density
Up to Week 24.

Measured by Dual-energy X-ray absorptiometry (DXA)

Treatment-emergent Adverse Events
Up to Week 16

Treatment-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 Signs
Up to Week 24

Vital signs will include body temperature, sitting blood pressure and pulse (bpm).

Body Weight
Up to Week 24
Electrocardiograms
Up to Week 24.
Laboratory Values
Up to Week 24
Serum NTx
Up to Week 24

NTx is one of the biochemical bone metabolism markers

Serum BAP
Up to Week 24

BAP is one of the biochemical bone metabolism markers

Decrease in menstrual blood loss
Week 12 (one menstrual cycle)

Blood loss will be assessed using the Pictorial Blood Loss Assessment Chart (PBAC).

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.

Cmax: Maximum Observed Plasma Concentration for TAK-385
Day 1: Pre-dose and at multiple time points (up to 120 hrs) post-dose
AUC∞: Area Under the Plasma Concentration-time Curve From Time 0 to Infinity for TAK-385
Day 1: Pre-dose and at multiple time points (0.5, 1, 1.5, 2, 4, 6, 8, 10, 12, 16, 24, 36, 48, 72, 96, and 120hrs; up to 120 hrs) post-dose
AUC(0-120): Area Under the Plasma Concentration-time Curve From Time 0 to 120 Hours Postdose for TAK-385
Day 1: Pre-dose and at multiple time points (0.5, 1, 1.5, 2, 4, 6, 8, 10, 12, 16, 24, 36, 48, 72, 96, and 120hrs; up to 120 hrs) post-dose
AUClast: Area Under the Plasma Concentration-time Curve From Time 0 to the Time of the Last Quantifiable Concentration for TAK-385
Day 1: Pre-dose and at multiple time points (0.5, 1, 1.5, 2, 4, 6, 8, 10, 12, 16, 24, 36, 48, 72, 96, and 120hrs; up to 120 hrs) post-dose
Part 1: Time to Reach the Maximum Plasma and Whole Blood Radioactivity Concentration (Cmax) for [14C]-TAK-385
Day 1 pre-dose and various time-points (up to 288 hours) post-dose

Tmax: Time to reach the maximum plasma concentration (Cmax), equal to time (hours) to Cmax. Radioactivity corresponds to no more than (NMT) 4.7 millibecquerel (MBq) (127 microcurie \[mCi\]). Cmax was calculated as disintegration per minute per mL (DPM/mL). Total \[14C\]-TAK-385 determination of plasma and whole blood samples was determined by accelerator mass spectrometry (AMS) method.

Part 1: Time to Reach the Maximum Plasma Concentration (Cmax) for TAK-385
Day 1 pre-dose and various time-points (up to 168 hours) post-dose

Tmax: Time to reach the maximum plasma concentration (Cmax), equal to time (hours) to Cmax. Plasma concentrations of TAK-385 were measured by high-performance liquid chromatography with tandem mass spectrometry method (LC-MS/MS). Correction of the LC-MS/MS derived concentrations were based upon the specific activity of the administered radiolabelled drug product (\[14C\]-TAK-385).

Part 1: Cmax: Maximum Observed Plasma and Whole Blood Radioactivity Concentration for [14C]-TAK-385
Day 1 pre-dose and various time-points (up to 288 hours) post-dose

Maximum observed concentration (Cmax) is the peak concentration of a drug after administration, obtained directly from the concentration-time curve. Radioactivity corresponds to NMT 4.7 MBq (127 mCi). Cmax was measured in nanogram equivalent per milliliter (ng eq/mL) and was calculated as disintegration per minute per mL (DPM/mL). Total \[14C\]-TAK-385 determination of plasma and whole blood samples was determined by AMS method.

Part 1: Cmax: Maximum Observed Plasma Concentration for TAK-385
Day 1 pre-dose and various time-points (up to 168 hours) post-dose

Maximum observed concentration (Cmax) is the peak concentration of a drug after administration, obtained directly from the concentration-time curve. Plasma concentrations of TAK-385 were measured by high-performance liquid chromatography with tandem mass spectrometry method (LC-MS/MS). Correction of the LC-MS/MS derived concentrations were based upon the specific activity of the administered radiolabelled drug product (\[14C\]-TAK-385).

Part 1: AUC(0-inf): Area Under the Plasma and Whole Blood Radioactivity Concentration-time Curve From Time 0 to Infinity for [14C]-TAK-385
Day 1 pre-dose and various time-points (up to 288 hours) post-dose

AUC(0-inf) is measure of area under the curve from time 0 to infinity. Radioactivity corresponds to NMT 4.7 MBq (127 mCi). AUC(0-inf) was measured in nanogram equivalent\*hour per milliliter (ng eq\*hr/mL) and was calculated as disintegration per minute per mL (DPM/mL). Total \[14C\]-TAK-385 determination of plasma and whole blood samples was determined by AMS method.

Part 1: AUC(0-inf): Area Under the Plasma Concentration-time Curve From Time 0 to Infinity for TAK-385
Day 1 pre-dose and various time-points (up to 168 hours) post-dose

AUC(0-inf) is area under the concentration-time curve from time 0 to infinity. Plasma concentrations of TAK-385 were measured by high-performance liquid chromatography with tandem mass spectrometry method (LC-MS/MS). Correction of the LC-MS/MS derived concentrations were based upon the specific activity of the administered radiolabelled drug product (\[14C\]-TAK-385) .

Part 1: AUC(0-168): Area Under the Plasma and Whole Blood Radioactivity Concentration-Time Curve From Time 0 to 168 Hours Postdose for [14C]-TAK-385
Day 1 pre-dose and various time-points (up to 288 hours) post-dose

AUC(0-168) is measure of area under the curve over the dosing interval (tau),where tau is the length of the dosing interval: 168 hours in this study (AUC(0-168\]). Radioactivity corresponds to NMT 4.7 MBq (127 mCi). It was calculated as disintegration per minute per mL (DPM/mL). Total \[14C\]-TAK-385 determination of plasma and whole blood samples was determined by AMS method.

Part 1: AUC(0-168): Area Under the Plasma Concentration-Time Curve From Time 0 to 168 Hours Postdose for TAK-385
Day 1 pre-dose and various time-points (up to 168 hours) post-dose

AUC(0-168) is measure of area under the curve over the dosing interval (tau) (AUC(0-tau\]), where tau is the length of the dosing interval -168 hours in this study). Plasma concentrations of TAK-385 were measured by high-performance liquid chromatography with tandem mass spectrometry method (LC-MS/MS). Correction of the LC-MS/MS derived concentrations were based upon the specific activity of the administered radiolabelled drug product (\[14C\]-TAK-385).

Part 1: Terminal Phase Elimination Half-Life (t1/2z) in Plasma and Whole Blood Radioactivity for [14C]-TAK-385
Day 1 pre-dose and various time-points (up to 288 hours) post-dose

Terminal phase elimination half-life (t1/2z) is the time required for half of the drug to be eliminated from the blood. Radioactivity corresponds to NMT 4.7 MBq (127 mCi). It was calculated as disintegration per minute per mL (DPM/mL). Total \[14C\]-TAK-385 determination of plasma and whole blood samples was determined by AMS method.

Part 1: Terminal Phase Elimination Half-Life (t1/2z) in Plasma for TAK-385
Day 1 pre-dose and various time-points (up to 168 hours) post-dose

Terminal phase elimination half-life (t1/2z) is the time required for half of the drug to be eliminated from the blood. Plasma concentrations of TAK-385 were measured by high-performance liquid chromatography with tandem mass spectrometry method (LC-MS/MS). Correction of the LC-MS/MS derived concentrations were based upon the specific activity of the administered radiolabelled drug product (\[14C\]-TAK-385).

Part 1: Overall Cumulative Percent Recovery of Total Dosed Radioactivity in Urine and Feces
Day 1 pre-dose and various time-points (up to Day 288) post-dose

Overall cumulative percent of radioactive dose recovered in urine and feces is the total radioactivity excreted in urine and feces divided by the amount of total radioactivity dosed for each participant. Total \[14-C\] determination of urine and feces samples were determined by Liquid Scintillation Counting (LSC).

Part 2: Tmax : Time to Reach the Maximum Plasma Radioactivity Concentration (Cmax) for [14C]-TAK-385
Day 1 pre-dose and various time-points (up to 168 hours) post-dose

Tmax: Time to reach the maximum plasma concentration (Cmax), equal to time (hours) to Cmax. Radioactivity corresponds to NMT 37.0 kilobecquerel (kBq) (1000 nanocurie \[nCi\]). Total radioactivity and \[14C\]-TAK-385 determination of plasma samples was determined by AMS.

Part 2: Tmax : Time to Reach the Maximum Plasma Concentration (Cmax) for TAK-385
Day 1 pre-dose and various time-points (up to 168 hours) post-dose

Tmax: Time to reach the maximum plasma concentration (Cmax), equal to time (hours) to Cmax.

Part 2: Cmax: Maximum Observed Plasma Radioactivity Concentration for [14C]-TAK-385
Day 1 pre-dose and various time-points (up to 168hours) post-dose

Maximum observed plasma concentration (Cmax) is the peak plasma concentration of a drug after administration, obtained directly from the plasma concentration-time curve. Radioactivity corresponds to NMT 37.0 kBq (1000 nCi).Total radioactivity and \[14C\]-TAK-385 determination of plasma samples was determined by AMS.

Part 2: Cmax: Maximum Observed Plasma Radioactivity Concentration for TAK-385
Day 1 pre-dose and various time-points (up to 168 hours) post-dose

Maximum observed plasma concentration (Cmax) is the peak plasma concentration of a drug after administration, obtained directly from the plasma concentration-time curve.

Part 2: AUC(0-inf): Area Under the Plasma Radioactivity Concentration-time Curve From Time 0 to Infinity for [14C]-TAK-385
Day 1 pre-dose and various sampling time-points (up to 168 hours) post-dose

AUC(0-inf) is measure of area under the curve from time 0 to Infinity. Radioactivity corresponds to NMT 37.0 kBq (1000 nCi).AUC(0-inf) was corrected according to Hamilton Pool result.Total radioactivity and \[14C\]-TAK-385 determination of plasma samples was determined by AMS.

Part 2: AUC(0-inf): Area Under the Plasma Concentration-time Curve From Time 0 to Infinity for TAK-385
Day 1 pre-dose and various time-points (up to 288 hours) post-dose

AUC(0-inf) is measure of area under the curve from time 0 to Infinity.

Part 2: AUC(0-168): Area Under the Plasma Radioactivity Concentration-Time Curve From Time 0 to 168 Hours Postdose for [14C]-TAK-385
Day 1 pre-dose and various time-points (up to 168 hours) post-dose

AUC(0-168) is measure of area under the curve over the dosing interval (tau), where tau is the length of the dosing interval :168 hours in this study (AUC(0-tau\]). AUC(0-168) was corrected according to Hamilton Pool result.Radioactivity corresponds to NMT 37.0 kBq (1000 nCi).Total radioactivity and \[14C\]-TAK-385 determination of plasma samples was determined by AMS.

Part 2: AUC(0-168): Area Under the Plasma Concentration-Time Curve From Time 0 to 168 Hours Postdose for TAK-385
Day 1 pre-dose and various time-points (up to 168 hours) post-dose

AUC(0-168) is measure of area under the curve over the dosing interval (tau),where tau is the length of the dosing interval: 168 hours in this study (AUC(0-tau\]). AUC was corrected using the Hamilton Pool Data to get an AUC for TAK-385.

Part 2: Terminal Phase Elimination Half-Life (t1/2z) in Plasma Radioactivity for [14C]-TAK-385
Day 1 pre-dose and various time-points (up to 168 hours) post-dose

Terminal phase elimination half-life (t1/2z) is the time required for half of the drug to be eliminated from the blood. Radioactivity corresponds to NMT 37.0 kBq (1000 nCi).Total radioactivity and \[14C\]-TAK-385 determination of plasma samples was determined by AMS.

Part 2: Terminal Phase Elimination Half-Life (t1/2z) in Plasma for TAK-385
Day 1 pre-dose and various time-points (up to 168 hours) post-dose

Terminal phase elimination half-life (t1/2z) is the time required for half of the drug to be eliminated from the blood.

Part 2: Absolute Bioavailability for the Oral Tablet Formulation
Day 1 pre-dose and various time-points (up to 168 hours) post-dose

Absolute bioavailability, defined as the fraction or percentage of the unchanged, orally administered dose that is systemically available, relative to the total dose administered intravenously. AUC was corrected using the Hamilton Pool Data to get an AUC for TAK-385

Part 1: Excretion of TAK-385 and Its Metabolites in Human Feces as Percent Radioactivity
0 to 191 hours post-dose

Amount of total \[14\]C, TAK-385, metabolite A, B, and C, and others excreted from feces, calculated as percentage of recovered radioactivity, are reported. Others were calculated by subtraction of the sum of the values for TAK-385, Metabolite-A, Metabolite-B, and Metabolite-C from the value of the total radioactivity (total \[14\]C).Radioactivity corresponds to NMT 4.7 MBq (127 mCi).

Part 1: Excretion of TAK-385 and Its Metabolites in Human Urine as Percent Radioactivity
0 to 144 hours post-dose

Amount of total \[14\]C, TAK-385, metabolite A, B, and C, and others excreted from urine, calculated as percentage of recovered radioactivity, are reported. Others were calculated by subtraction of the sum of the values for TAK-385, Metabolite-A, Metabolite-B, and Metabolite-C from the value of the total radioactivity (total \[14\]C).Radioactivity corresponds to NMT 4.7 MBq (127 mCi).

Part 1: Excretion of TAK-385 and Its Metabolites in Human Feces as Percentage of Dose
0 to 191 hours post-dose

Amount of total \[14\]C, TAK-385, metabolite A, B, and C, and others excreted from feces, calculated as percentage of dose. Others were calculated by subtraction of the sum of the values for TAK-385, Metabolite-A, Metabolite-B, and Metabolite-C from the value of the total \[14\]C.

Part 1: Excretion of TAK-385 and Its Metabolites in Human Urine as Percentage of Dose
0 to 144 hours post-dose

Amount of total \[14\]C, TAK-385, metabolite A, B, and C, and others excreted from urine, calculated as percentage of dose. Others were calculated by subtraction of the sum of the values for TAK-385, Metabolite-A, Metabolite-B, and Metabolite-C from the value of the total \[14\]C.

Part 1: [14]C Distribution Profile From TAK-385 and Metabolites A, B, and C in Plasma Pools at Hour 1 Post-dose
Hour 1 post-dose

Percentage of \[14\]C as measured from TAK-385, metabolite A and B, and metabolite C in the plasma pools were calculated as the percentage of dose administered.

Part 1: [14]C Distribution Profile From TAK-385 and Metabolites A, B, and C in Plasma Pools at Hour 2 Post-dose
Hour 2 post-dose

Percentage of \[14\]C as measured from TAK-385, metabolite A and B, and metabolite C in the plasma pools were calculated as the percentage of dose administered.

Part 1: [14]C Distribution Profile From TAK-385 and Metabolites A, B, and C in Plasma Pools at Hour 4 Post-dose
Hour 4 post-dose

Percentage of \[14\]C as measured from TAK-385, metabolite A and B, and metabolite C in the plasma pools were calculated as the percentage of dose administered.

Part 1: [14]C Distribution Profile From TAK-385 and Metabolites A, B, and C in Plasma Pools at Hour 8 Post-dose
Hour 8 post-dose

Percentage of \[14\]C as measured from TAK-385, metabolite A and B, and metabolite C in the plasma pools were calculated as the percentage of dose administered.

Part 1: [14]C Distribution Profile From TAK-385 and Metabolites A, B, and C in Plasma Pools at Hour 12 Post-dose
Hour 12 post-dose

Percentage of \[14\]C as measured from TAK-385, metabolite A and B, and metabolite C in the plasma pools were calculated as the percentage of dose administered.

Part 1: [14]C Distribution Profile From TAK-385 and Metabolites A, B, and C in Plasma Pools at Hour 24 Post-dose
Hour 24 post-dose

Percentage of \[14\]C as measured from TAK-385, metabolite A and B, and metabolite C in the plasma pools were calculated as the percentage of dose administered.

Part 1: [14]C Distribution Profile From TAK-385 and Metabolites A, B, and C in Plasma Pools at Hour 36 Post-dose
Hour 36 post-dose

Percentage of \[14\]C as measured from TAK-385, metabolite A and B, and metabolite C in the plasma pools were calculated as the percentage of dose administered.

Part 1: [14]C Distribution Profile From TAK-385 and Metabolites A, B, and C in Plasma Pools at Hour 48 Post-dose
Hour 48 post-dose

Percentage of \[14\]C as measured from TAK-385, metabolite A and B, and metabolite C in the plasma pools were calculated as the percentage of dose administered.

Part 1: [14]C Distribution Profile From TAK-385 and Metabolites A, B, and C in Plasma Pools at Hour 72 Post-dose
Hour 72 post-dose

Percentage of \[14\]C as measured from TAK-385, metabolite A and B, and metabolite C in the plasma pools were calculated as the percentage of dose administered.

Part A: Number of Participants With Dose-limiting Toxicities (DLTs)
From treatment initiation until Day 28

DLTs were defined as treatment-related adverse events (AEs) that occurred within the first 28 days of treatment as per common terminology criteria for adverse events (CTCAE) version 4.03: any grade 3 or higher toxicity; QT/Fridericia corrected QT (QTcF) greater than (\>) 500 millisecond (msec) after treatment initiation; QT/QTcF interval prolongation \>60 msec postdose.

Part A: Number of Participants Reporting One or More Treatment-emergent Adverse Event (TEAE)
From treatment initiation until 40 days after last dose of study drug (Day 68)
Part A: Number of Participants With Grade 2 or Higher Laboratory Test Abnormalities
From treatment initiation until 40 days after last dose of study drug (Day 68)

Laboratory test abnormalities were graded using the CTCAE. The grades were: Grade 2- (moderate) minimal, local or noninvasive intervention indicated; limiting age-appropriate instrumental activity of daily living (ADL); Grade 3- (severe) medically significant but not immediately life-threatening; hospitalization or prolongation of hospitalization indicated; disabling; limited self-care ADL. Data has been presented for any Grade 2 or higher event in the laboratory test abnormalities.

Part A: Number of Participants With Markedly Abnormal Values of Vital Signs Parameters
From treatment initiation until 40 days after last dose of study drug (Day 68)
Part A: Number of Participants With Markedly Abnormal Values of Electrocardiogram (ECG) Parameters
From treatment initiation until 40 days after last dose of study drug (Day 68)
Part B: Number of Participants Reporting One or More TEAE
From treatment initiation until 40 days after last dose of study drug (Day 712)
Part B: Number of Participants With Grade 2 or Higher Laboratory Test Abnormalities
From treatment initiation until 40 days after last dose of study drug (Day 712)

Laboratory test abnormalities were graded using the CTCAE. The grades were: Grade 2- (moderate) minimal, local or noninvasive intervention indicated; limiting age-appropriate instrumental ADL; Grade 3- (severe) medically significant but not immediately life-threatening; hospitalization or prolongation of hospitalization indicated; disabling; limited self-care ADL. Data has been presented for any Grade 2 or higher event in the laboratory test abnormalities. Here aspartate aminotransferase (AST) (glutamic-oxaloacetic transaminase \[GOT\]) High, creatine kinase (CK) (creatine phosphokinase \[CPK\]) High, prothrombin time (PT)-international normalized ratio (INR) High.

Part B: Number of Participants With Markedly Abnormal Values of Vital Signs Parameters
From treatment initiation until 40 days after last dose of study drug (Day 712)

Here "BP" is blood pressure.

Part B: Number of Participants With Markedly Abnormal Values of ECG Parameters
From treatment initiation until 40 days after last dose of study drug (Day 712)

Secondary Endpoints

Number of Participants With Treatment-emergent Adverse Events (TEAEs) Related to Vital Signs
Baseline up to Week 29
Number of Participants With TEAEs Related to Physical Findings
Baseline up to Week 29
Number of Participants With TEAEs Related to 12-lead Electrocardiogram (ECG) Findings
Baseline up to Week 29
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
TAK-385EXPERIMENTALTAK-385 320 mg, tablets, orally, once, on Day 1, followed by TAK-385 120 mg, orally, once daily for 24 weeks. Each participant may have one upward dose adjustment of 40 mg for efficacy and/or one downward dose adjustment of 40 mg for safety during the study.
DegarelixACTIVE_COMPARATORDegarelix 240 mg, injection, subcutaneous, on Day 1, followed by degarelix 80 mg, injection, subcutaneous, once every four weeks, for 24 weeks.
PlaceboPLACEBO_COMPARATOR -
TAK-385 10 mg QDEXPERIMENTAL -
TAK-385 20 mg QDEXPERIMENTAL -
TAK-385 40 mg QDEXPERIMENTAL -
LeuplinOTHER -
TAK-385 40 mg (Group A)EXPERIMENTALA single oral dose of TAK-385 40 milligram (mg) (one tablet) in fasted condition without breakfast in Period 1, followed by a minimum 14-day washout period between study drugs, further followed by a single oral dose of TAK-385 40 mg (one tablet) before breakfast in Period 2, followed by a minimum 14-day washout period between study drugs and further followed by a single oral dose of TAK-385 40 mg (one tablet) after breakfast in Period 3.
TAK-385 40 mg (Group B)EXPERIMENTALA single oral dose of TAK-385 40 mg (one tablet) before breakfast in Period 1, followed by a minimum 14-day washout period between study drugs, further followed by a single oral dose of TAK-385 40 mg (one tablet) after breakfast in Period 2, followed by a minimum 14-day washout period between study drugs and, further followed by a single oral dose of TAK-385 40 mg (one tablet) in fasted condition without breakfast in Period 3.
TAK-385 40 mg (Group C)EXPERIMENTALA single oral dose of TAK-385 40 mg (one tablet) after breakfast in Period 1, followed by a minimum 14-day washout period between study drugs, further followed by a single oral dose of TAK-385 40 mg (one tablet) in fasted condition without breakfast in Period 2, followed by a minimum 14-day washout period between study drugs and, further followed by a single oral dose of TAK-385 40 mg (one tablet) before breakfast in Period 3.
TAK-385 40 mg (Group D)EXPERIMENTALA single oral dose of TAK-385 40 mg (one tablet) in fasted condition without breakfast in Period 1, followed by a minimum 14-day washout period between study drugs, further followed by a single oral dose of TAK-385 40 mg (one tablet) after breakfast in Period 2, followed by a minimum 14-day washout period between study drugs and, further followed by a single oral dose of TAK-385 40 mg (one tablet) before breakfast in Period 3.
TAK-385 40 mg (Group E)EXPERIMENTALA single oral dose of TAK-385 40 mg (one tablet) before breakfast in Period 1, followed by a minimum 14-day washout period between study drugs, further followed by a single oral dose of TAK-385 40 mg (one tablet) in fasted condition without breakfast in Period 2, followed by a minimum 14-day washout period between study drugs and, further followed by a single oral dose of TAK-385 40 mg (one tablet) after breakfast in Period 3.
TAK-385 40 mg (Group F)EXPERIMENTALA single oral dose of TAK-385 40 mg (one tablet) after breakfast in Period 1, followed by a minimum 14-day washout period between study drugs, further followed by a single oral dose of TAK-385 40 mg (one tablet) before breakfast in Period 2, followed by a minimum 14-day washout period between study drugs and, further followed by a single oral dose of TAK-385 40 mg (one tablet) in fasted condition without breakfast in Period 3.
Part 1: [14C]-TAK-385EXPERIMENTAL\[14C\]-TAK-385 80 mg, solution, orally, once on Day 1.
Part 2: TAK-385 + [14C]-TAK-385 IVEXPERIMENTALTAK-385 80 mg, tablets, orally, and \[14C\]-TAK-385 80 μg, infusion, intravenous once on Day 1.
Part A Cohort 1: TAK-385 320 mg + TAK-385 80 mgEXPERIMENTALTAK-385 320 mg loading dose, tablet, orally, once on Day 1, followed by TAK-385 80 mg maintenance dose, tablet, orally, once daily through Days 2 to 28.
Part A Cohort 2: TAK-385 320 mg + TAK-385 120 mgEXPERIMENTALTAK-385 320 mg loading dose, tablet, orally, once on Day 1, followed by TAK-385 120 mg maintenance dose, tablet, orally, once daily through Days 2 to 28.
Part A Cohort 3: TAK-385 320 mg + TAK-385 160 mgEXPERIMENTALTAK-385 320 mg loading dose, tablet, orally, once on Day 1, followed by TAK-385 160 mg maintenance dose, tablet, orally, once daily through Days 2 to 28.
Part A Cohort 4: TAK-385 360 mg + TAK-385 120 mgEXPERIMENTALTAK-385 360 mg loading dose, tablet, orally, once on Day 1, followed by TAK-385 120 mg maintenance dose, tablet, orally, once daily through Days 2 to 28.
Part B Cohort 1: TAK-385 320 mg + TAK-385 80 mgEXPERIMENTALTAK-385 320 mg loading dose, tablet, orally, once on Day 1, followed by TAK-385 80 mg maintenance dose, tablet, orally, once daily through Days 2 to 672.
Part B Cohort 2: TAK-385 320 mg + TAK-385 120 mgEXPERIMENTALTAK-385 320 mg loading dose, tablet, orally, once on Day 1, followed by TAK-385 120 mg maintenance dose, tablet, orally, once daily through Days 2 to 672.

Interventions

NameTypeDescription
TAK-385DRUGTAK-385 tablet
DegarelixDRUGDegarelix injection
PlaceboDRUGTAK-385 placebo-matching tablets, orally, once daily and leuprorelin acetate placebo injection, subcutaneously, once every 4 weeks for up to 12 weeks.
Leuprorelin acetateDRUGTAK-385 placebo-matching tablets, orally, once daily and leuprorelin acetate 3.75 mg injection, subcutaneously, once every 4 weeks for up to 12 weeks
TAK-385 40 mgDRUGTAK-385 40 mg tablet
[14C]-TAK-385 Oral SolutionDRUGTAK-385 oral radiolabelled solution
TAK-385 TabletsDRUGTAK-385 tablets 2 X 40 mg
[14C]-TAK-385 Solution for Intravenous InfusionDRUGTAK-385 intravenous (IV) radiolabelled solution
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Eligibility Criteria

Age Range18 Years to N/A
SexMALE
Healthy VolunteersNo
Study Sites25

Inclusion Criteria: 1. Is male, 18 years of age or older. 2. Has histologically confirmed diagnosis of localized prostate adenocarcinoma of intermediate risk for which 6-month neoadjuvant and adjuvant androgen deprivation therapy (ADT) to EBRT is indicated. Intermediate risk per National Comprehens...

Countries:United StatesUnited KingdomJapan
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Frequently asked questions about TAK-385

What is TAK-385 used for?

TAK-385 is an investigational small molecule being studied for endometriosis, prostate cancer, and uterine fibroids. Clinical trials have evaluated it in Japanese premenopausal healthy adult women and healthy volunteers, as well as in men with prostate cancer. It is in Phase 2 development for these conditions.

Who makes TAK-385?

TAK-385 is being developed by Takeda Pharmaceutical Company Limited, which trades under the ticker TAK. The company has sponsored clinical trials of the drug in Japan, the United States, and the United Kingdom.

What phase is TAK-385 in?

TAK-385 is in Phase 2 clinical development. It has completed Phase 2 trials for endometriosis and prostate cancer, as well as a Phase 1 food effect study. The drug is investigational and not approved for any use.

What clinical trials is TAK-385 in?

TAK-385 has been studied in several completed trials. NCT01452685 and NCT01458301 evaluated it for endometriosis in Japan. NCT02135445 assessed it for localized prostate cancer in the US and UK. NCT02792062 examined food effects in Japanese premenopausal healthy adult women.

Is TAK-385 the same as relugolix?

TAK-385 is also known as relugolix. It is an oral gonadotropin-releasing hormone receptor antagonist being developed for hormone-dependent conditions such as endometriosis and prostate cancer.

How does TAK-385 work?

TAK-385 targets the gonadotropin-releasing hormone receptor. By blocking this receptor, it suppresses the release of hormones that stimulate estrogen and testosterone production, which is relevant for treating endometriosis and prostate cancer.