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Betrixaban

Phase 1

Renal Impairment | Small molecule | Nephrology |Merck & Company, Inc.|Last Updated: Aug 22, 2023

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
ACTIVE_CONTROLLEDBiomarker
Total Trials1
Total Enrollment32
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00999336A Study to Determine the Pharmacokinetics, Pharmacodynamics, and Tolerabiltiy of Betrixaban in Patients With Mild, Moderate, and Severe Renal ImpairmentPHASE1 COMPLETED 32Jul 31, 2009Feb 28, 2010Aug 22, 20231 Germany
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Study Endpoints
Primary Endpoints
Area Under The Plasma Concentration-Time Curve From Time Zero To 24 Hours (AUC0-24) Postdose Of Oral Doses Of Betrixaban On Day 8
Predose up to 168 hours postdose

Blood and urine samples for pharmacokinetic analysis were collected and determined from the plasma and urine concentrations of betrixaban using non-compartmental procedures in WinNonlin Enterprise Version 5.2. Results were reported in nanogram multiplied by hour per milliliter (ng\*h/mL).

Maximum Observed Plasma Concentration (Cmax) Following Administration Of Oral Doses Of Betrixaban On Day 8
Predose, up to 168 hours postdose

Blood and urine samples for pharmacokinetic analysis were collected and determined from the plasma and urine concentrations of betrixaban using non-compartmental procedures in WinNonlin Enterprise Version 5.2. Results were reported in nanogram per milliliter (ng/mL).

Plasma Terminal Elimination Half-Life (T½) Following Administration Of Oral Doses Of Betrixaban On Day 8
Predose, up to 168 hours postdose

Blood and urine samples for pharmacokinetic analysis were collected and determined from the plasma and urine concentrations of betrixaban using non-compartmental procedures in WinNonlin Enterprise Version 5.2. Harmonic mean and Jackknife standard deviation was used to report this outcome and results were reported in hour.

Total Plasma Clearance (CL/F) Following Administration Of Oral Doses Of Betrixaban On Day 8
Predose, up to 168 hours postdose

Blood and urine samples for pharmacokinetic analysis were collected and determined from the plasma and urine concentrations of betrixaban using non-compartmental procedures in WinNonlin Enterprise Version 5.2. Results were reported in milliliter per minute (mL/min).

Volume Of Distribution During The Terminal Phase (Vz/F) Following Administration Of Oral Doses Of Betrixaban On Day 8
Predose, up to 168 hours postdose

Blood and urine samples for pharmacokinetic analysis were collected and determined from the plasma and urine concentrations of betrixaban using non-compartmental procedures in WinNonlin Enterprise Version 5.2. Results were reported in liter.

Percentage Of Dose Excreted In Urine From 0-24 (fe0-24) Postdose Of Oral Doses Of Betrixaban On Day 8
Predose, up to 24 hours postdose

Blood and urine samples for pharmacokinetic analysis were collected and determined from the plasma and urine concentrations of betrixaban using non-compartmental procedures in WinNonlin Enterprise Version 5.2. Results were reported in percentage.

Percentage Of Betrixaban Bound To Plasma Proteins On Day 8
4 hours Postdose at Day 8

Blood samples were collected for measurement of plasma protein binding for betrixaban for all participants. Results of protein binding assays were summarized by sample time and eGFR group. Results were reported in percent (%).

Thrombin Generation Following Administration Of Oral Doses Of Betrixaban On Day 8
Day 1: predose; Day 8: 2, 3, 4, 8, 24, and 48 hours postdose

Blood samples were collected at the protocol-specified time points. Plasma samples were assayed for measurement of thrombin generation for all participants.

Anti-Factor Xa (fXa) Activity Following Administration Of Oral Doses Of Betrixaban On Day 8
Day 8: 2, 3, 4, 8, 24, and 48 hours postdose

Blood samples were collected at the protocol-specified time points. Plasma samples were assayed for measurement of anti-fXa activity at baseline and steady state for all participants. Results were reported in international units per milliliter (IU/mL).

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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Group HACTIVE_COMPARATORHealthy subjects matched to the renal impairment groups
Group AEXPERIMENTALPatients with mild renal impairment
Group BEXPERIMENTALPatients with moderate renal impairment
Group CEXPERIMENTALPatients with severe renal impairment
Interventions
NameTypeDescription
BetrixabanDRUG80 mg betrixaban qd for 8 days
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Eligibility Criteria
Age Range18 Years — 80 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Able to understand and sign the written informed consent. * Subjects should have either normal renal function or have stable renal disease Exclusion Criteria: * Subjects require dialysis * Evidence of active bleeding or bleeding disorder * Unstable or clinically significant ...

Countries:Germany
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