This is an open-label, Phase I, first-in-human (FIH) multicenter, clinical study conducted in multiple parts to establish the safety, tolerability and pharmacokinetic/pharmacodynamic (PK/PD) profile (with and without food) and early signs of efficacy of Tuvuseritib (M1774) as monotherapy and in combination with the poly (ADP-ribose) polymerase (PARP) inhibitor niraparib.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
161
Massachusetts General Hospital
Boston, Massachusetts, United States
NEXT Oncology
Austin, Texas, United States
Part A1, A4 and A5: Occurrence of Dose-Limiting Toxicities (DLTs) During the DLT Observation Period
Time frame: Day 1 to Day 21 of Cycle 1 (Each Cycle is of 21 days)
Part A1, A3, A4, A5 and B1: Occurrence of Treatment-emergent Adverse Events (TEAEs), Treatment-related Adverse Events (AEs) and Death According to National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) Version 5.0
Time frame: Baseline up to 30 days after the last dose of study treatment, assessed up to approximately 2.2 years
Part A1, A3, A4, A5 and B1: Number of Participants With Grade 3 or Higher Laboratory Findings According to National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) Version 5.0
Time frame: Baseline up to 30 days after the last dose of study treatment, assessed up to approximately 2.2 years
Part A1, A3, A4, A5 and B1: Number of Participants With Abnormalities in Vital Signs
Time frame: Baseline up to 30 days after the last dose of study treatment, assessed up to approximately 2.2 years
Part A1, A3, A4, A5 and B1: Number of Participants With Clinical Significant Abnormalities in Electrocardiogram (ECG) Findings
Time frame: Baseline up to 30 days after the last dose of study treatment, assessed up to approximately 2.2 years
Part A2: Area Under the Plasma Concentration Curve From Time Zero to 24 Hours Post Dose (AUC 0-24h) of Tuvusertib (M1774)
Time frame: Cycle 1 Day -7 and Day 1: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A2: Area Under the Plasma Concentration Curve From Time Zero to Infinity Post Dose (AUC 0-inf) of Tuvusertib (M1774)
Time frame: Cycle 1 Day -7 and Day 1: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
This platform is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional.
Mary Crowley Cancer Research Centers
Dallas, Texas, United States
The Methodist Hospital Research Institute
Houston, Texas, United States
University of Texas M. D. Anderson Cancer Center - Investigational Cancer Therapeutics
Houston, Texas, United States
Beijing Cancer Hospital
Beijing, China
National Cancer Center Hospital - Dept of Experimental Therapeutics
Chūōku, Japan
National Cancer Center Hospital East - Dept of Experimental Therapeutics
Kashiwa-shi, Japan
Hospital Clinic de Barcelona - Servicio de Oncologia
Barcelona, Spain
Hospital Universitari Vall d'Hebron - Oncology Dept.
Barcelona, Spain
...and 6 more locations
Part A2: Maximum Observed Plasma Concentration (Cmax) of Tuvusertib (M1774)
Time frame: Cycle 1 Day -7 and Day 1: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A2: Relative Bioavailability Based on Area Under the Plasma Concentration Curve (Frel[AUC]) of Tuvusertib (M1774) Under Fed Condition as Compared to Fasting Condition
Time frame: Cycle 1 Day -7 and Day 1: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A2: Relative Bioavailability Based on Maximum Observed Plasma Concentration (Frel[Cmax]) of Tuvusertib (M1774) Under Fed Condition as Compared to Fasting Condition
Time frame: Cycle 1 Day -7 and Day 1: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A3: Objective Response as Assessed by Investigator According to Response Evaluation Criteria in Solid Tumors (RECIST) Version 1.1
Time frame: Baseline up to 2.2 years
Part B1: Occurrence of Dose-Limiting Toxicities (DLTs) During the DLT Observation Period
Time frame: Day 1 to Day 28 of Cycle 1 (Each Cycle is of 28 days)
Part A1, A4, A5 and B1: To Determine the Recommended Dose Expansion (RDE) for Tuvusertib (M1774) monotherapy globally, in Japanese and in Chinese participants With Metastatic or Locally Advanced Unresectable Solid Tumors and in combination with Niraparib
Time frame: Assessed up to approximately 2.2 years
Part A1, A3, A4 and A5: Maximum Observed Plasma Concentration (Cmax) of Tuvusertib (M1774)
Time frame: Cycle 1 Day 1 and Day 8: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5: Time to Reach Maximum Plasma Concentration (tmax) of Tuvusertib (M1774)
Time frame: Cycle 1 Day 1 and Day 8: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5: Area Under the Plasma Concentration Curve From Time Zero to 24 Hours Post Dose (AUC0-24h) of Tuvusertib (M1774)
Time frame: Cycle 1 Day 1 and Day 8: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5: Area Under Plasma Concentration-Time Curve Within One Dosing Interval (AUC0-tau) of Tuvusertib (M1774)
Time frame: Cycle 1 Day 1 and Day 8: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5: Area Under the Plasma Concentration-Time Curve From Time Zero to Infinity (AUC0-inf) of Tuvusertib (M1774)
Time frame: Cycle 1 Day 1 and Day 8: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5: Apparent Terminal Half-life (t1/2) of Tuvusertib (M1774)
Time frame: Cycle 1 Day 1 and Day 8: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5: Apparent Total Body Clearance From Plasma (CL/f) of Tuvusertib (M1774)
Time frame: Cycle 1 Day 1 and Day 8: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5: Apparent Clearance Body Clearance at Steady State Following Extravascular Administration (CLss/F) of Tuvusertib (M1774)
Time frame: Cycle 1 Day 1 and Day 8: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5: Apparent Volume of Distribution During Terminal Phase Following Extravascular Administration (Vz/F) of Tuvusertib (M1774)
Time frame: Cycle 1 Day 1 and Day 8: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5: Accumulation Ratio for Area Under the Plasma Concentration Concentration-Time Curve (Racc[AUC]) of Tuvusertib (M1774)
Time frame: Cycle 1 Day 1 and Day 8: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5: Accumulation Ratio of Maximum Observed Plasma Concentration (Racc[Cmax]) of Tuvusertib (M1774)
Time frame: Cycle 1 Day 1 and Day 8: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5: Dose Normalized Area Under Concentration-Time Curve Within One Dosing Interval (AUC0-tau/Dose) of M1774
Time frame: Cycle 1 Day 1 and Day 8: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5: Dose Normalized Area Under Concentration-Time Curve From Time Zero to 24 Hours (AUC0-24h/Dose) Post-Dose of M1774
Time frame: Cycle 1 Day 1 and Day 8: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5: Dose Normalized Area Under Concentration-Time Curve From Time Zero (dosing time) Extrapolated to Infinity (AUC0-inf/Dose) of M1774
Time frame: Cycle 1 Day 1 and Day 8: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5: Dose Normalized Maximum Observed Plasma Concentration (Cmax/Dose) of M1774
Time frame: Cycle 1 Day 1 and Day 8: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5: Area Under the Plasma Concentration Curve From Time Zero to 12 Hours (AUC0-12h) Post-Dose of M1774
Time frame: Cycle 1 Day 1 and Day 8: Pre-dose up to 12 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5: Dose Normalized Area Under Concentration-Time Curve From Time Zero to 12Hours (AUC0-12h/Dose) Post-dose of M1774
Time frame: Cycle 1 Day 1 and Day 8: Pre-dose upto 12 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5: Area Under the Plasma Concentration Curve From Time Zero to 10 Hours Post-dose (AUC0-10h) of M1774
Time frame: Part A1, A3, A4 and A5: Cycle 1 Day 1 and Day 8: Pre-dose up to 10 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5: Dose Normalized Area Under Concentration-Time Curve From Time Zero to 10 Hours (AUC0-10h/Dose) Post-dose of M1774
Time frame: Part A1, A3, A4 and A5: Cycle 1 Day 1 and Day 8: Pre-dose up to 10 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5: Area Under Concentration-Time Curve From Time Zero to Last Sampling Time (AUC0-t) of M1774
Time frame: Part A1, A3, A4 and A5: Cycle 1 Day 1 and Day 8: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5 : Dose Normalized Area Under Concentration-Time Curve From Time Zero to Last Sampling Time (AUC0-t/Dose) of M1774
Time frame: Part A1, A3, A4 and A5: Cycle 1 Day 1 and Day 8: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5: Renal Clearance (CLr) of M1774
Time frame: Part A1, A3, A4 and A5: Cycle 1 Day 1 and Day 8: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5: Cumulative Amount Excreted From Time Zero to Infinity (Ae0-infinity) of M1774
Time frame: Part A1, A3, A4 and A5: Cycle 1 Day 1 and Day 8: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5: Cumulative Amount Excreted From Time Zero to Time After Dosing (Ae0-t) of M1774
Time frame: Part A1, A3, A4 and A5: Cycle 1 Day 1 and Day 8: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A1, A3, A4 and A5: Cumulative Percentage of Dose Excreted From Time Zero to Time After Dosing (Ae0-t%) of M1774
Time frame: Part A1, A3, A4 and A5: Cycle 1 Day 1 and Day 8: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A2: Occurrence of Treatment-emergent Adverse Events (TEAEs), Treatment-related Adverse Events (AEs) and Death According to National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) Version 5.0
Time frame: Baseline up to 30 days after the last dose of study treatment, assessed up to approximately 2.2 years
Part A2: Number of Participants With Grade 3 or Higher Laboratory Findings According to National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) Version 5.0
Time frame: Baseline up to 30 days after the last dose of study treatment, assessed up to approximately 2.2 years
Part A2: Number of Participants With Abnormalities in Vital Signs
Time frame: Baseline up to 30 days after the last dose of study treatment, assessed up to approximately 2.2 years
Part A2: Number of Participants With Clinical Significant Abnormalities in Electrocardiogram (ECG) Findings
Time frame: Baseline up to 30 days after the last dose of study treatment, assessed up to approximately 2.2 years
Part A2: Time to Reach Maximum Plasma Concentration (tmax) Under Fed/Fasted Ratio of M1774
Time frame: Cycle 1 Day -7 and Day 1: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A2: Area Under Plasma Concentration-Time Curve Within One Dosing Interval (AUC0-tau) of M1774
Time frame: Cycle 1 Day -7 and Day 1: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A2: Apparent Terminal Half-life (t1/2) of M1774
Time frame: Cycle 1 Day -7 and Day 1: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A2: Apparent Total Body Clearance From Plasma (CL/f) of M1774
Time frame: Cycle 1 Day -7 and Day 1: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A2: Apparent Volume of Distribution During Terminal Phase Following Extravascular Administration (Vz/F) of M1774
Time frame: Cycle 1 Day -7 and Day 1: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A2: Dose Normalized Area Under Concentration Time Curve Within One Dosing Interval (AUC0-tau/Dose) of M1774
Time frame: Cycle 1 Day -7 and Day 1: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A2: Dose Normalized Area Under Concentration-Time Curve From Time Zero to 24 Hours (AUC0-24h/Dose) Post dose of M1774
Time frame: Cycle 1 Day -7 and Day 1: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A2: Dose Normalized Area Under Concentration-Time Curve From Time Zero (dosing time) Extrapolated to Infinity (AUC0-inf/Dose) of M1774
Time frame: Cycle 1 Day -7 and Day 1: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A2: Dose Normalized Maximum Observed Plasma Concentration (Cmax/Dose) of M1774
Time frame: Cycle 1 Day -7 and Day 1: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A2: Cumulative Amount Excreted From Time Zero (dosing time) to Infinity (Ae0-inf) of M1774
Time frame: Cycle 1 Day -7: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A2: Cumulative Amount Excreted From Time Zero to Time After Dosing (Ae0-t) of M1774
Time frame: Cycle 1 Day -7: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A2: Cumulative Percentage of Dose Excreted From Time Zero to Time After Dosing (Ae0-t%) of M1774
Time frame: Cycle 1 Day -7: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A2: Renal Clearance (CLr) of M1774
Time frame: Cycle 1 Day -7: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A2: Dose Normalized Area Under Concentration-Time Curve From Time Zero to Last Sampling Time (AUC0-t/Dose) Under Fed/Fasted Ratio of M1774
Time frame: Part A2: Cycle 1 Day -7 and Day 1: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A2: Area Under the Plasma Concentration Curve From Time Zero to 12 Hours (AUC0-12h) Post-Dose Under Fed/Fasted Ratio of M1774
Time frame: Part A2: Cycle 1 Day -7 and Day 1: Pre-dose up to 12 hours post-dose (Each Cycle is of 21 days)
Part A2: Dose Normalized Area Under Concentration-Time Curve From Time Zero to 12Hours (AUC0-12h/Dose) Post-dose Under Fed/Fasted Ratio of M1774
Time frame: Part A2: Cycle 1 Day -7 and Day 1: Pre-dose up to 12 hours post-dose (Each Cycle is of 21 days)
Part A2: Area Under the Plasma Concentration Curve From Time Zero to 10 Hours PostDose AUC(0-10h) Under Fed/Fasted Ratio of M1774
Time frame: Part A2: Cycle 1 Day -7 and Day 1: Pre-dose up to 10 hours post-dose (Each Cycle is of 21 days)
Part A2: Dose Normalized Area Under Concentration-Time Curve From Time Zero to 10 Hours (AUC0-10h/Dose) Post-dose Under Fed/Fasted Ratio of M1774
Time frame: Part A2: Cycle 1 Day -7 and Day 1: Pre-dose up to 10 hours post-dose (Each Cycle is of 21 days)
Part A2: Area Under Concentration-Time Curve From Time Zero to Last Sampling Time (AUC0-t) Under Fed/Fasted Ratio of M1774
Time frame: Part A2: Cycle 1 Day -7 and Day 1: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A2: Apparent Clearance Body Clearance at Steady State Following Extravascular Administration (CLss/F) Under Fed/Fasted Ratio of M1774
Time frame: Part A2: Cycle 1 Day -7 and Day 1: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A2: Accumulation Ratio for Area Under the Plasma Concentration Concentration-Time Curve (Racc[AUC]) Under Fed/Fasted Ratio of M1774
Time frame: Part A2: Cycle 1 Day -7 and Day 1: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A2: Accumulation Ratio of Maximum Observed Plasma Concentration (Racc[Cmax]) Under Fed/Fasted Ratio of of M1774
Time frame: Part A2: Cycle 1 Day -7 and Day 1: Pre-dose up to 24 hours post-dose (Each Cycle is of 21 days)
Part A2: Number of Participants With Corrected QT (QTc) Interval
Time frame: Baseline up to Day 8
Part A3: Duration of Response (DOR) According to RECIST v1.1
Time frame: Baseline up to 30 days after the last dose of study treatment, assessed up to approximately 2.2 years
Part A3: Number of Participants With Clinical Benefit According to Response Evaluation Criteria in Solid Tumors (RECIST) Version 1.1
Participants with a clinical benefit, defined as an objective response or stable disease for at least 6 months, as determined by the Investigator through the use of RECIST version 1.1.
Time frame: Baseline up to 30 days after the last dose of study treatment, assessed up to approximately 2.2 years
Part A3: Progression-Free Survival (PFS) as Assessed by Investigator According to Response Evaluation Criteria in Solid Tumors (RECIST) Version 1.1
Time frame: Baseline up to 30 days after the last dose of study treatment, assessed up to approximately 2.2 years
Part A3: Overall Survival (OS)
Time frame: Baseline up to 30 days after the last dose of study treatment, assessed up to approximately 2.2 years
Part B1: Objective Response as Assessed by Investigator According to Response Evaluation Criteria in Solid Tumors (RECIST) Version 1.1
Time frame: Baseline up to 2.2 years
Part B1: Maximum Observed Plasma Concentration (Cmax) of M1774 as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3(each cycle is of 28 days)
Part B1: Time to Reach Maximum Plasma Concentration (tmax) of M1774 as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3(each cycle is of 28 days)
Part B1: Area Under the Plasma Concentration Curve From Time Zero to 24 Hours Post Dose AUC(0-24h) of M1774 as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3(each cycle is of 28 days)
Part B1: Area Under Plasma Concentration-Time Curve Within One Dosing Interval (AUC0-tau) of M1774 as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3(each cycle is of 28 days)
Part B1: Area Under the Plasma Concentration-Time Curve From Time Zero to Infinity (AUC0-inf) of M1774 as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3(each cycle is of 28 days)
Part B1: Apparent Terminal Half-life (t1/2) of M1774 as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3(each cycle is of 28 days)
Part B1: Apparent Total Body Clearance From Plasma (CL/f) of M1774 as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3(each cycle is of 28 days)
Part B1: Apparent Clearance Body Clearance at Steady State Following Extravascular Administration (CLss/F) of M1774 as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3(each cycle is of 28 days)
Part B1: Apparent Volume of Distribution During Terminal Phase Following Extravascular Administration (Vz/F) of M1774 as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3(each cycle is of 28 days)
Part B1: Accumulation Ratio for Area Under the Plasma Concentration Concentration-Time Curve (Racc[AUC]) of M1774 as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3(each cycle is of 28 days)
Part B1: Accumulation Ratio of Maximum Observed Plasma Concentration (Racc[Cmax]) of M1774 as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3(each cycle is of 28 days)
Part B1: Dose Normalized Area Under Concentration-Time Curve Within One Dosing Interval (AUC0-tau/Dose) of M1774 as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3(each cycle is of 28 days)
Part B1: Dose Normalized Area Under Concentration-Time Curve From Time Zero to 24 Hours (AUC0-24h/Dose) Post-Dose of M1774 as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12, 24 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3(each cycle is of 28 days)
Part B1: Dose Normalized Area Under Concentration-Time Curve From Time Zero (dosing time) Extrapolated to Infinity (AUC0-inf/Dose) of M1774 as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3(each cycle is of 28 days)
Part B1: Dose Normalized Maximum Observed Plasma Concentration (Cmax/Dose) of M1774 as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3(each cycle is of 28 days)
Part B1: Area Under the Plasma Concentration Curve From Time Zero to 12 Hours (AUC0-12h) Post-Dose of M1774 as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3 (each cycle is of 28 days)
Part B1: Dose Normalized Area Under Concentration-Time Curve From Time Zero to 12Hours (AUC0-12h/Dose) Post-dose of M1774 as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12, 24 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3 (each cycle is of 28 days)
Part B1: Area Under the Plasma Concentration Curve From Time Zero to 10 Hours PostDose AUC(0-10h) of M1774 as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3(each cycle is of 28 days)
Part B1: Dose Normalized Area Under Concentration-Time Curve From Time Zero to 10 Hours (AUC0-10h/Dose) Post-dose of M1774 as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3(each cycle is of 28 days)
Part B1: Area Under Concentration-Time Curve From Time Zero to Last Sampling Time (AUC0-t) of M1774 as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3(each cycle is of 28 days)
Part B1: Dose Normalized Area Under Concentration-Time Curve From Time Zero to Last Sampling Time (AUC0-t/Dose) of M1774 as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3(each cycle is of 28 days)
Part B1: Renal Clearance (CLr) of M1774 as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3(each cycle is of 28 days)
Part B1: Cumulative Amount Excreted From Time Zero to Infinity (Ae0-infinity) of M1774 as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3(each cycle is of 28 days)
Part B1: Cumulative Amount Excreted From Time Zero to Time After Dosing (Ae0-t) of Tuvusertib (M1774) as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3(each cycle is of 28 days)
Part B1: Cumulative Percentage of Dose Excreted From Time Zero to Time After Dosing (Ae0-t%) of Tuvusertib (M1774) as well as its Metabolites and Niraparib
Time frame: Part B1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10 hours post-dose on Day 1and Day 8, Pre-dose on Day 15 of cycle 1; Pre-dose, 2, 4 hours post-dose pm Day 1 of Cycle 2; Pre-dose on Day 1 of cycle 3(each cycle is of 28 days)