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KCP-330

Phase 1

Sarcoma | Small molecule | Oncology |Karyopharm Therapeutics Inc.|Last Updated: Jan 8, 2024

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedCONTROLLEDBiomarker
Total Trials1
Total Enrollment54
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01896505A Phase I Trial to Assess the Effects of Food and Formulation on PK of KPT-330 in Patients With SarcomaPHASE1 COMPLETED 54Jul 30, 2013Oct 21, 2016Jan 8, 20242 United States, Canada
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Study Endpoints
Primary Endpoints
Area Under the Concentration-time Curve From the Time Zero to the Last Non-zero Concentration (AUC0-t) of Selinexor
Day 1 of weeks 1-3 in Cycle 1: Pre-dose (within 10 minutes before swallowing study drug), 15, 30 minutes, 1, 1.5, 2, 3, 4, 5, 6, 8, 10,18, 24, and 48 hours post-dose

AUC0-t was defined as area under the concentration-time curve from time zero to the last non-zero concentration.

Area Under the Concentration Time Curve From the Time Zero to Extrapolated to Infinity (AUC0-inf) of Selinexor
Day 1 of weeks 1-3 in Cycle 1: Pre-dose (within 10 minutes before swallowing study drug), 15, 30 minutes, 1, 1.5, 2, 3, 4, 5, 6, 8, 10, 18, 24, and 48 hours post-dose

AUC0-inf was defined as area under the concentration-time curve from time zero to infinity (extrapolated), AUC0-inf was calculated as AUC0-t + Ct/ elimination rate constant (kel), where: Ct = the last observed non- zero concentration.

Maximum Observed Plasma Concentration (Cmax) of Selinexor
Day 1 of weeks 1-3 in Cycle 1: Pre-dose (within 10 minutes before swallowing study drug), 15, 30 minutes, 1, 1.5, 2, 3, 4, 5, 6, 8, 10, 18, 24, and 48 hours post-dose

Cmax was defined as maximum observed concentration, taken directly from the plasma concentration data.

Time of First Maximum Observed Concentration (Tmax) of Selinexor
Day 1 of weeks 1-3 in Cycle 1: Pre-dose (within 10 minutes before swallowing study drug), 15, 30 minutes, 1, 1.5, 2, 3, 4, 5, 6, 8, 10, 18, 24, and 48 hours post-dose

Tmax was defined as time of first observation of Cmax, taken directly from the plasma concentration data.

Terminal Phase Half-Life (t1/2) of Selinexor
Day 1 of weeks 1-3 in Cycle 1: Pre-dose (within 10 minutes before swallowing study drug), 15, 30 minutes, 1, 1.5, 2, 3, 4, 5, 6, 8, 10, 18, 24, and 48 hours post-dose

t1/2 was the terminal phase half-life, it was calculated as ln(2)/kel.

Apparent Total Body Clearance (CL/F) of Selinexor
Day 1 of weeks 1-3 in Cycle 1: Pre-dose (within 10 minutes before swallowing study drug), 15, 30 minutes, 1, 1.5, 2, 3, 4, 5, 6, 8, 10, 18, 24, and 48 hours post-dose

Apparent total body clearance was calculated as Dose/AUC0-inf, uncorrected for fraction absorbed; reported normalized by participant body weight (kilogram \[kg\]).

Apparent Volume of Distribution (Vd/F) of Selinexor
Day 1 of weeks 1-3 in Cycle 1: Pre-dose (within 10 minutes before swallowing study drug), 15, 30 minutes, 1, 1.5, 2, 3, 4, 5, 6, 8, 10, 18, 24, and 48 hours post-dose

Vd/F was calculated as Dose/ (kel \*AUC0-inf), uncorrected for fraction absorbed; reported normalized by participant body weight (kg).

Secondary Endpoints
Percentage of Participants With Best Overall Response According to Response Evaluation Criteria In Solid Tumors (RECIST) v1.1 Criteria
From the date of first documented response until the date of documented progression or last disease assessment (up to 39 months)
Duration of Stable Disease as Per RECIST v1.1 Criteria
From the date of first dose of study treatment to first documented radiologic evidence of disease recurrence or progression, censored date (up to 39 months)
Progression Free Survival (PFS) as Per RECIST v1.1 Criteria
From first dose of study treatment to time of disease progression or death, censored date (up to 39 months)
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Arm 1EXPERIMENTALParticipants with advanced sarcomas (Liposarcoma, Leiomyosarcoma, and Other sarcoma) received Selinexor 30 milligrams per meter square (mg/m\^2) orally twice weekly in treatment sequence ABCD (Treatment A: fasted, tablet formulation on Day 1 of Week 1; Treatment B: high-fat meal, tablet formulation on Day 1 of Week 2; Treatment C: low-fat meal, tablet formulation on Day 1 of Week 3; Treatment D: low-fat meal, capsule formulation on Day 1 of Week 4 in Cycle 1 (Weeks 1 to 4).
Arm 2EXPERIMENTALParticipants with advanced sarcomas (Liposarcoma, Leiomyosarcoma, and Other sarcoma) received selinexor 30 mg/m\^2 orally twice weekly in treatment sequence BADC (Treatment B: high-fat meal, tablet formulation on Day 1 of Week 1; Treatment A: fasted, tablet formulation on Day 1 of Week 2; Treatment D: low fat meal, capsule formulation on Day 1 of Week 3; Treatment C: low-fat meal, tablet formulation on Day 1 of Week 4 in Cycle 1 (Weeks 1 to 4).All participants received the current (1st generation) tablet formula at a dose of 60 mg on Day 3 of Weeks 1-3 of Cycle 1.
Arm 3EXPERIMENTALParticipants with advanced sarcomas (Liposarcoma, Leiomyosarcoma, and Other sarcoma) received Selinexor 50 mg/m\^2 first generation tablets twice weekly on Days 1 and 3 of each week within 30 minutes of solid food consumption.
Arm 4EXPERIMENTALParticipants with advanced sarcomas (Liposarcoma, Leiomyosarcoma, and Other sarcoma) received Selinexor 60 mg/m\^2 orally in treatment sequence ABC (Treatment A: current \[1st generation\] tablets on Day 1 of Week 1; Treatment B: new \[2nd generation\] tablets on Day 1 of Week 2; Treatment C: suspension dose of current \[1st generation\] tablets on Day 1 of Week 3 in Cycle 1 (Weeks 1 to 3). All participants received the current (1st generation) tablet formula at a dose of 60 mg on Day 3 of Weeks 1-3 of Cycle 1.
Arm 5EXPERIMENTALParticipants with advanced sarcomas (Liposarcoma, Leiomyosarcoma, and Other sarcoma) received Selinexor 60 mg/m\^2 orally in treatment sequence CAB (Treatment C: suspension dose of current \[1st generation\] tablets on Day 1 of Week 1; Treatment A: current \[1st generation\] tablets on Day 1 of Week 2; Treatment B: new \[2nd generation\] tablets on Day 1 of Week 3 in Cycle 1 (Weeks 1 to 3). All participants received the current (1st generation) tablet formula at a dose of 60 mg on Day 3 of Weeks 1-3 of Cycle 1.
Arm 6EXPERIMENTALParticipants with advanced sarcomas (Liposarcoma, Leiomyosarcoma, and Other sarcoma) received Selinexor 60 mg/m\^2 orally in treatment sequence BCA (Treatment B: new \[2nd generation\] tablets on Day 1 of Week 1; Treatment C: suspension dose of current \[1st generation\] tablets on Day 1 of Week 2; Treatment A: current \[1st generation\] tablets on Day 1 of Week 3 in Cycle 1 (Weeks 1 to 3). All participants received the current (1st generation) tablet formula at a dose of 60 mg on Day 3 of Weeks 1-3 of Cycle 1.
Interventions
NameTypeDescription
KCP-330DRUG -
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites2

Inclusion Criteria: 1. Patients must have histologically confirmed soft tissue or bone/cartilage sarcoma. Patients with sarcoma of small round blue cell tumor types are allowed. Gastrointestinal stromal tumors (GIST) are excluded. 2. Patients must have received at least one prior anticancer regimen...

Countries:United StatesCanada
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