Recent Updates
Recently added Catalysts

Posaconazole

Phase 3

Fungal Infection | Small molecule | Infectious Disease |Merck & Company, Inc.|Last Updated: Dec 19, 2019

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
Premium
Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
Premium
Trial Design
RandomizedPLACEBO_CONTROLLEDDMCBiomarker
Total Trials4
Total Enrollment477
FDA Designations
No designations recorded
Clinical Trials (4)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00811642Posaconazole Treatment of Invasive Fungal Infection (IFI) (P05551)PHASE3 COMPLETED 63Nov 1, 2008Mar 1, 2010Apr 7, 2017 -
NCT03336502Pharmacokinetics and Safety of Intravenous Posaconazole (MK-5592) in Chinese Participants at High Risk for Invasive Fungal Infections (MK-5592-120)PHASE1 COMPLETED 70Dec 20, 2017Nov 26, 2018Dec 19, 20197 China
NCT02387983Pharmacokinetics and Safety of Oral Posaconazole (MK-5592)Tablets in Chinese Participants at High Risk for Invasive Fungal Infections (MK-5592-117)PHASE1 COMPLETED 65May 6, 2015May 2, 2016Oct 9, 2018 -
NCT01075984Pharmacokinetics, Safety, and Tolerability of Intravenous Posaconazole Solution Followed by Oral Posaconazole Suspension in Subjects at High Risk for Invasive Fungal Infections (P05520)PHASE1 COMPLETED 279Feb 23, 2010Nov 20, 2012Nov 13, 2017 -
Unlock Drug Trial Details
Study Endpoints
Primary Endpoints
Number of Participants Who Had Clinical Response at 12 Weeks With Posaconazole Treatment
Treatment week 12

EVALUATION OF PARTICIPANTS' CLINICAL RESPONSE BASED ON CRITERIA: Complete Response: resolution of Invasive Fungal Infection (IFI) attributable symptoms, signs and laboratory or etiological abnormalities, if present at enrollment. Partial Response: clinically significant improvement in IFI attributable symptoms, signs and laboratory or etiological abnormalities, if present at enrollment, of which, one still had not achieved complete recession. Stable disease: no progress in IFI attributable symptoms, if present at enrollment. Failure: deterioration in IFI attributable clinical symptoms.

Steady State (ss) Average Concentration (Cavg) of Posaconazole of Serial PK (Subgroup 1) on Day 10
Serial PK (Subgroup 1) on Day 10 at pre-dose, 1 hr. post start of infusion (SOI), end of infusion (EOI), 15 min. after EOI and 4, 8, 12, 24 hours post SOI

Characterization of the pharmacokinetics (PK) parameters of POS determined from plasma samples taken at steady-state after receiving IV administration of 300 mg POS twice a day (BID) on Day 1 and then 300 mg POS QD until at least Day 10. Steady-state Cavg, where Cavg is defined as AUC0-24hr divided by the dosing interval. Subgroup 1 - Serial PK, multiple same-day blood draw, performed specifically for determination of PK parameters of Cavg, AUC, Cmin, Cmax, Tmax and Total Body Clearance in addition to plasma trough determination. Subgroup 2 - Sparse PK, once a day blood draw, performed for plasma trough determination only.

Percentage of Participants With ssCavg ≥500 ng/mL of Serial PK (Subgroup 1) on Day 10
Serial PK (Subgroup 1) on Day 10 at pre-dose, 1 hr. post start of infusion (SOI), end of infusion (EOI), 15 min. after EOI and 4, 8, 12, 24 hours post SOI

Characterization of the PK parameters of POS determined from plasma samples taken at steady-state after receiving IV administration of 300 mg POS twice a day (BID) on Day 1 and then 300 mg POS QD until at least Day 10. Steady-state Cavg, where Cavg is defined as AUC0-24hr divided by the dosing interval. The percentage of participants with ssCavg ≥500 ng/mL are presented. Subgroup 1 - Serial PK, multiple same-day blood draw, performed specifically for determination of PK parameters of Cavg, AUC, Cmin, Cmax, Tmax and Total Body Clearance in addition to plasma trough determination. Subgroup 2 - Sparse PK, once a day blood draw, performed for plasma trough determination only.

Steady-state Area Under the Concentration-time Curve (ssAUC0-24hr) of POS of Serial PK (Subgroup 1) on Day 10
Serial PK (Subgroup 1) on Day 10 at pre-dose, 1 hr. post start of infusion (SOI), end of infusion (EOI), 15 min. after EOI and 4, 8, 12, 24 hours post SOI

Characterization of the PK parameters of POS determined from plasma samples taken at steady-state after receiving IV administration of 300 mg POS twice a day (BID) on Day 1 and then 300 mg POS QD until at least Day 10. AUC0-24 is defined as area under the plasma concentration-time curve from time 0 extrapolated to 24 hours. Subgroup 1 - Serial PK, multiple same-day blood draw, performed specifically for determination of PK parameters of Cavg, AUC, Cmin, Cmax, Tmax and Total Body Clearance in addition to plasma trough determination. Subgroup 2 - Sparse PK, once a day blood draw, performed for plasma trough determination only.

Steady State Maximum Concentration (ssCmax) of POS of Serial PK (Subgroup 1) on Day 10
Serial PK (Subgroup 1) on Day 10 at pre-dose, 1 hr. post start of infusion (SOI), end of infusion (EOI), 15 min. after EOI and 4, 8, 12, 24 hours post SOI

Characterization of the PK parameters of POS determined from plasma samples taken at steady-state after receiving IV administration of 300 mg POS twice a day (BID) on Day 1 and then 300 mg POS QD until at least Day 10. Cmax is defined as the maximum concentration of POS in plasma. Subgroup 1 - Serial PK, multiple same-day blood draw, performed specifically for determination of PK parameters of Cavg, AUC, Cmin, Cmax, Tmax and Total Body Clearance in addition to plasma trough determination. Subgroup 2 - Sparse PK, once a day blood draw, performed for plasma trough determination only.

Steady State Minimum Concentration (ssCmin) of POS of Serial PK (Subgroup 1) on Day 10
Serial PK (Subgroup 1) on Day 10 at pre-dose, 1 hr. post start of infusion (SOI), end of infusion (EOI), 15 min. after EOI and 4, 8, 12, 24 hours post SOI

Characterization of the PK parameters of POS determined from plasma samples taken at steady-state after receiving IV administration of 300 mg POS twice a day (BID) on Day 1 and then 300 mg POS QD until at least Day 10. Cmin is defined as the minimum concentration of POS in plasma. Subgroup 1 - Serial PK, multiple same-day blood draw, performed specifically for determination of PK parameters of Cavg, AUC, Cmin, Cmax, Tmax and Total Body Clearance in addition to plasma trough determination. Subgroup 2 - Sparse PK, once a day blood draw, performed for plasma trough determination only.

Time to Steady-state Maximum Concentration (ssTmax) of POS of Serial PK (Subgroup 1) on Day 10
Serial PK (Subgroup 1) on Day 10 at pre-dose, 1 hr. post start of infusion (SOI), end of infusion (EOI), 15 min. after EOI and 4, 8, 12, 24 hours post SOI

Characterization of the PK parameters of POS determined from plasma samples taken at steady-state after receiving IV administration of 300 mg POS twice a day (BID) on Day 1 and then 300 mg POS QD until at least Day 10. Tmax is defined as the time it takes to achieve maximum concentration of POS in plasma. Subgroup 1 - Serial PK, multiple same-day blood draw, performed specifically for determination of PK parameters of Cavg, AUC, Cmin, Cmax, Tmax and Total Body Clearance in addition to plasma trough determination. Subgroup 2 - Sparse PK, once a day blood draw, performed for plasma trough determination only.

Total Body Clearance (CL) of POS of Serial PK (Subgroup 1) on Day 10
Serial PK (Subgroup 1) on Day 10 at pre-dose, 1 hr. post start of infusion (SOI), end of infusion (EOI), 15 min. after EOI and 4, 8, 12, 24 hours post SOI

Characterization of the PK parameters of POS determined from plasma samples taken at steady-state after receiving IV administration of 300 mg POS twice a day (BID) on Day 1 and then 300 mg POS QD until at least Day 10. CL is defined as the time it takes for POS to be completely removed from the body's blood stream. Subgroup 1 - Serial PK, multiple same-day blood draw, performed specifically for determination of PK parameters of Cavg, AUC, Cmin, Cmax, Tmax and Total Body Clearance in addition to plasma trough determination. Subgroup 2 - Sparse PK, once a day blood draw, performed for plasma trough determination only.

POS Plasma Trough Concentrations in the Serial PK and Sparse PK Subgroups
Day 3, Day 6, Day 10, Day 15, Day 22, Day 28

Pre-dose plasma trough concentrations by study day between serial PK and Sparse PK - where serial PK is defined as multiple serial blood sampling of more than 6 timepoints; and sparse PK is defined as few blood samples taken and single or limited timepoints

Steady-state Average Concentration (ssCavg) of Posaconazole on Day 8
Pre-dose and 2, 4, 6, 8, 12, and 24 hours post-dose on Day 8

The ssCavg was calculated in order to determine the percentage of participants achieving the pharmacokinetic (PK) target of ssCavg \>500 ng/mL on Day 8 when plasma drug levels had reached steady state.

Steady-state Area Under the Concentration-time Curve (ssAUC0-24hr) of Posaconazole on Day 8
Pre-dose and 2, 4, 6, 8, 12, and 24 hours post-dose on Day 8

The ssAUC0-24hr was calculated to determine the mean plasma drug concentration in the Intensive and Sparse PK subgroup from immediately after dosing to 24 hours post-dose on Day 8. Results data are presented as the arithmetic mean (% arithmetic coefficient of variation \[CV\]), where CV is calculated as (100 x standard deviation/arithmetic mean).

Steady-state Maximum Concentration (ssCmax) of Posaconazole on Day 8
Pre-dose and 2, 4, 6, 8, 12, and 24 hours post-dose on Day 8

The ssCmax was calculated in order to determine the maximum post-dose plasma drug concentration in the Intensive and Sparse PK subgroup on Day 8. Results data are presented as the arithmetic mean (% arithmetic coefficient of variation \[CV\]), where CV is calculated as (100 x standard deviation/arithmetic mean).

Steady-state Minimum Concentration (ssCmin) of Posaconazole on Day 8
Pre-dose and 2, 4, 6, 8, 12, and 24 hours post-dose on Day 8

The ssCmin was calculated in order to determine the lowest measurable drug concentration in the Intensive and Sparse PK subgroup up to 24 hours post-dose on Day 8. Results data are presented as the arithmetic mean (% arithmetic coefficient of variation \[CV\]), where CV is calculated as (100 x standard deviation/arithmetic mean).

Time to Steady-state Maximum Concentration (ssTmax) of Posaconazole on Day 8
Pre-dose and 2, 4, 6, 8, 12, and 24 hours post-dose on Day 8

The ssTmax was calculated in order to determine the amount of time required to reach ssCmax in the Intensive and Sparse PK subgroup on Day 8.

AUC0-24hr of Posaconazole on Day 1
Pre-dose and 2, 4, 6, 8, 12, and 24 hours post-dose on Day 1

The AUC0-24hr was calculated to determine the mean plasma drug concentration from immediately after dosing to 24 hours post-dose in the Immediate and Sparse PK subgroup on Day 1. Results data are presented as the arithmetic mean (% arithmetic coefficient of variation \[CV\]), where CV is calculated as (100 x standard deviation/arithmetic mean).

Cmax of Posaconazole on Day 1
Pre-dose and 2, 4, 6, 8, 12, and 24 hours post-dose on Day 1

The Cmax was calculated to determine the maximum plasma drug concentration up to 24 hours post-dose in the Immediate and Sparse PK subgroup on Day 1. Results data are presented as the arithmetic mean (% arithmetic coefficient of variation \[CV\]), where CV is calculated as (100 x standard deviation/arithmetic mean).

Cmin of Posaconazole on Day 1
Pre-dose and 2, 4, 6, 8, 12, and 24 hours post-dose on Day 1

The Cmin was calculated in order to determine the lowest measurable drug concentration from immediately after dosing to 24 hours post-dose in the Immediate and Sparse PK subgroup on Day 1. Results data are presented as the arithmetic mean (% arithmetic coefficient of variation \[CV\]), where CV is calculated as (100 x standard deviation/arithmetic mean).

Tmax of Posaconazole on Day 1
Pre-dose and 2, 4, 6, 8, 12, and 24 hours post-dose on Day 1

The Tmax was calculated in order to determine the time required to reach Cmax in the Immediate and Sparse PK subgroup on Day 1.

Single Dose Trough Concentration of IV Posaconazole (Cmin)
12 hours after start of infusion on Day 1 (Cohorts 0, 1 and 2)

Blood samples were collected from participants for the determination of plasma POS concentration.

Steady State Trough Concentration of IV Posaconazole (Cmin)
24 hours after start of infusion on Day 14 (Cohorts 1 and 2), or Day 10 (Cohort 3)

Blood samples were collected from participants for the determination of plasma POS concentration.

Single Dose Maximum Concentration of IV Posaconazole (Cmax)
Predose and 1, 1.5, 1.75, 4, 8, and 12 hours after start of infusion on Day 1 (Cohorts 0, 1 and 2)

Blood samples were collected from participants for the determination of plasma POS concentration.

Steady State Maximum Concentration of IV Posaconazole (Cmax)
Predose and 1, 1.5, 1.75, 4, 8, and 12 hours after start of infusion on Day 14 (Cohorts 1 and 2), or Day 10 (Cohort 3)

Blood samples were collected from participants for the determination of plasma POS concentration.

Single Dose Time of Observed Maximum Concentration of IV Posaconazole (Tmax)
Predose and 1, 1.5, 1.75, 4, 8, and 12 hours after start of infusion on Day 1 (Cohorts 0 and 1)

Blood samples were collected from participants for the determination of plasma POS concentration.

Steady State Time of Observed Maximum Concentration of IV Posaconazole (Tmax)
Predose and 1, 1.5, 1.75, 4, 8, and 12 hours after start of infusion on Day 14 (Cohorts 1 and 2), or Day 10 (Cohort 3)

Blood samples were collected from participants for the determination of plasma POS concentration.

Single Dose Area Under the Concentration Versus Time Curve of IV Posaconazole (AUC)
Predose and 1, 1.5, 1.75, 4, 8, and 12 hours after start of infusion on Day 1 (Cohorts 0, 1 and 2)

Blood samples were collected from participants for the determination of plasma POS concentration.

Steady State Area Under the Concentration Versus Time Curve of IV Posaconazole (AUC)
Predose and 1, 1.5, 1.75, 4, 8, 12, and 24 hours after start of infusion on Day 14 (Cohorts 1 and 2), or Day 10 (Cohort 3)

Blood samples were collected from participants for the determination of plasma POS concentration.

Steady State Average Concentration of IV Posaconazole (Cavg)
Predose and 1, 1.5, 1.75, 4, 8, 12, and 24 hours after start of infusion on Day 14 (Cohorts 1 and 2), or Day 10 (Cohort 3)

Blood samples were collected from participants for the determination of plasma POS concentration. Cavg was calculated as steady state AUC / dosing interval (24 hours).

Steady State Total Body Clearance of IV Posaconazole (CL)
Predose and 1, 1.5, 1.75, 4, 8, and 12 hours after start of infusion on Day 14 (Cohorts 1 and 2), or Day 10 (Cohort 3)

Blood samples were collected from participants for the determination of plasma POS concentration.

Steady State Trough Concentration of Oral Posaconazole (Cmin)
12 hours after dosing on Day 7 (Cohort 0), or Day 28 (Cohorts 1 and 2)

Blood samples were collected from participants for the determination of plasma POS concentration.

Steady State Maximum Concentration of Oral Posaconazole (Cmax)
Predose and 3, 5, 8 and 12 hours after dosing on Day 7 (Cohort 0), or Day 28 (Cohorts 1 and 2)

Blood samples were collected from participants for the determination of plasma POS concentration.

Steady State Time of Observed Maximum Concentration of Oral Posaconazole (Tmax)
Predose and 3, 5, 8 and 12 hours after dosing on Day 7 (Cohort 0), or Day 28 (Cohorts 1 and 2)

Blood samples were collected from participants for the determination of plasma POS concentration.

Steady State Area Under the Concentration Versus Time Curve of Oral Posaconazole (AUC)
Predose and 3, 5, 8 and 12 hours after dosing on Day 7 (Cohort 0), or Day 28 (Cohorts 1 and 2)

Blood samples were collected from participants for the determination of plasma POS concentration.

Steady State Average Concentration of Oral Posaconazole (Cavg)
Predose and 3, 5, 8 and 12 hours after dosing on Day 7 (Cohort 0), or Day 28 (Cohorts 1 and 2)

Blood samples were collected from participants for the determination of plasma POS concentration. Cavg was calculated as steady state AUC / dosing interval (12 hours).

Steady State Apparent Total Body Clearance of Oral Posaconazole (CL/F)
Predose and 3, 5, 8 and 12 hours after dosing on Day 7 (Cohort 0), or Day 28 (Cohorts 1 and 2)

Blood samples were collected from participants for the determination of plasma POS concentration.

Secondary Endpoints
Number of Participants Who Had Clinical Response at 4 Weeks With Posaconazole Treatment
Treatment week 4
Number of Participants Who Had Clinical Response at 8 Weeks With Posaconazole Treatment
Treatment week 8
Number of Participants With Pathogenic Fungal Eradication at 4 Weeks With Posaconazole Treatment
Treatment week 4
Unlock Study Endpoints
Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
PosaconazoleEXPERIMENTALPosaconazole 400 mg twice a day (BID) oral suspension for 12 weeks
POS IV 200 mg single dose (Cohort 0)ACTIVE_COMPARATORPOS 200 mg IV single dose infused over 1.5 hours on Day 1 followed 12 hours later by POS oral 400 mg, then by POS oral 400 mg BID on Days 2 through 6 and a single morning dose on Day 7 (Cohort 0)
Dextrose 5% in water (Cohort 0)PLACEBO_COMPARATORPlacebo IV single dose infused over 1.5 hours on Day 1 followed 12 hours later by POS oral 400 mg, then by POS oral 400 mg BID on Days 2 through 6 and a single morning dose on Day 7 (Cohort 0)
POS IV 200 mg BID (Cohort 1)EXPERIMENTALPOS 200 mg IV infused over 1.5 hours BID on Day 1, followed by POS 200 mg IV once daily on Days 2 through 14, then by POS 400 mg oral BID through Day 28 (Cohort 1)
POS IV 300 mg BID (Cohort 2)EXPERIMENTALPOS 300 mg IV infused over 1.5 hours BID on Day 1, followed by POS 300 mg IV once daily on Days 2 through 14, then by POS 400 mg oral BID through Day 28 (Cohort 2). After Day 5, POS IV was administered continuously or intermittently, depending on oral tolerability.
POS IV 300 mg BID (Cohort 3)EXPERIMENTALPOS 300 mg IV infused over 1.5 hours BID on Day 1, followed by POS 300 mg IV once daily on Days 2 through 5, then by POS 200 mg oral TID or POS 400 mg oral BID through Day 28, or POS 200-300 mg IV once daily as required (Cohort 3). After Day 5, POS IV was administered continuously or intermittently, depending on oral tolerability.
Interventions
NameTypeDescription
PosaconazoleDRUG400mg BID oral suspension for 12 weeks
Dextrose 5% in waterDRUG -
Unlock Study Design Details
Eligibility Criteria
Age Range18 Years — 70 Years
SexALL
Healthy VolunteersNo

Inclusion Criteria: * Participants must be 18-70 years male or female * Identified or clinically diagnosed IFI participants or high risk population who are resistant to, or recurrent from, or intolerable to, or may suffer toxic reaction from standard antifungal treatment. * Sign informed consent fo...

Countries:China
Unlock Eligibility Criteria
Competitive Landscape -Fungal Infections 10 trials