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Myrin P Forte

Phase 1

Healthy Volunteers | Small molecule | Other |Pfizer, Inc.|Last Updated: Apr 5, 2017

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
RandomizedACTIVE_CONTROLLED
Total Trials1
Total Enrollment36
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01399788A Bioequivalence Study Comparing A Fixed Dose Combination Formulation Of Myrin P Forte That Contains Rifampicin, Isoniazid, Ethambutol And Pyrazinamide Per Tablet To An Equivalent Dose Of Single Drug Reference Preparations Of Similar Combination Following Oral Administration In Healthy AdultsPHASE1 COMPLETED 36Jul 1, 2011Aug 1, 2011Apr 5, 20171 Singapore
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Study Endpoints
Primary Endpoints
Area Under the Curve From Time Zero to Last Quantifiable Concentration (AUClast)
0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16 and 24 hours (hrs) post-dose

Area under the plasma concentration-time curve from time zero (pre-dose) to the time of last measured concentration (AUClast).

Maximum Observed Plasma Concentration (Cmax)
0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16 and 24 hrs post-dose
Dose Normalized Area Under the Curve From Time Zero to Last Quantifiable Concentration (AUClast[dn]) for Pyrazinamide
0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16, 24, 36 and 48 hrs post-dose

AUClast\[dn\] = Dose normalized area under the plasma concentration-time curve (AUC\[dn\]) from time zero (pre-dose) to the time of last measured concentration. It is obtained from AUClast divided by dose and then multiplied by 1500. The test and reference for pyrazinamide were given at different doses, so dose-normalized parameters were used for analysis for adjusting the dose effect on bioequivalence conclusion.

Dose Normalized Maximum Observed Plasma Concentration (Cmax[dn]) for Pyrazinamide
0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16, 24, 36 and 48 hrs post-dose

It is obtained from Cmax divided by dose and then multiplied by 1500. The test and reference for pyrazinamide were given at different doses, so dose-normalized parameters were used for analysis for adjusting the dose effect on bioequivalence conclusion.

Secondary Endpoints
Area Under the Curve From Time Zero to Extrapolated Infinite Time (AUC[0-∞])
0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16 and 24 hrs post-dose
Dose Normalized Area Under the Curve From Time Zero to Extrapolated Infinite Time (AUC [0-∞][dn]) for Pyrazinamide
0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16, 24, 36 and 48 hrs post-dose
Plasma Decay Half-life (t1/2)
0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16 and 24 hrs post-dose for rifampicin, isoniazid and ethambutol and additional 36 and 48 hrs post-dose for pyrazinamide
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelCROSSOVER
PurposeBASIC_SCIENCE
Treatment Arms
ArmTypeDescription
1.0ACTIVE_COMPARATORTest Myrin P Forte Contains 150mg Rifampicin, 75mg Isoniazid, 275mg Ethambutol, 400mg Pyrazinamide
2.0ACTIVE_COMPARATORReference Single drug reference preparations contain Rifampicin, Isoniazid, Ethambutol, Pyrazinamide
Interventions
NameTypeDescription
Myrin P ForteDRUGTablet containing Rifampicin, Isoniazid, Ethambutol and Pyrazinamide, given once daily, single dose
Single drug referencesDRUGcontaining Rifampicin, Isoniazid, Ethambutol and Pyrazinamide as single agents
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Eligibility Criteria
Age Range21 Years — 55 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Healthy, male or female, 21 to 55 years of age, body weight no less than 55 kg, Body mass index (BMI) of 17.5 to 30.5 kg/m2. Healthy is defined as no clinically relevant abnormalities identified by a detailed medical history, full physical examination, including blood pressure...

Countries:Singapore
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