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LFF571

Phase 2

Moderate Clostridium Difficile Infection | Small molecule | Other |Novartis AG|Last Updated: Dec 19, 2020

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_CONTROLLEDBiomarker
Total Trials1
Total Enrollment109
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01232595Safety and Efficacy of Multiple Daily Dosing of Oral LFF571 in Patients With Moderate Clostridium Difficile InfectionsPHASE2 COMPLETED 109Oct 1, 2010Jul 1, 2013Dec 19, 202018 United States, Canada
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Study Endpoints
Primary Endpoints
POC: Difference in clinical response rate of LFF571 compared to vancomycin in patients with moderate C. difficile infections at day 12/13.
Day 12/13
POC: Safety and tolerability of LFF571
Day 12/13

Safety assessments will include vital signs, laboratory tests, electrocardiograms (ECG), pharmacokinetic (PK) samples and adverse events. (Cohorts 1 and 2)

POC:Clinical response rates (clinical cure) of patients with moderate C. difficile infections to different LFF571 dose regimens and total daily doses (cohort 2).
Day 12/13

Clinical cure is resolution or improvement of symptoms and signs of C. difficile infection such that additional or alternative antimicrobial therapy or other theraperutic intervention is not needed. In addition, patient must have absence of fever for two consecutive days and \<3 non-lliquid stools per day for two consecutive days

Cohort 2: Clinical response rate (clinical cure) of LFF571 in patients with mild and moderate C. difficile infections to different LFF571 dose regimens and total daily doses administered orally for 10 days
Day 12/13

Clinical cure is resolution or improvement of symptoms and signs of C. difficile infection such that additional or alternative antimicrobial therapy or other theraperutic intervention is not needed. In addition, patient must have absence of fever for two consecutive days and \<3 non-lliquid stools per day for two consecutive days.

Cohort 2: Dose-response relationship of different dose regimens and total daily dose s of LFF571
Day 12/13
Cohort 2: Safety and tolerability of LFF571 dose regimens and total daily doses administered orally for 10 days to C. difficile infected patients.
Day 12/13

Safety assessments will include vital signs, laboratory tests, electrocardiograms (ECG), pharmacokinetic (PK) samples and adverse events.

Secondary Endpoints
POC: To evaluate the time to resolution of diarrhea during the treatment period for LFF571-treated patients (cohorts 1 and 2)
End of therapy
POC: To evaluate the relapse rate within 30 days following completion of LFF571-treated patients (cohort 1)
30 days
POC: To evaluate the sustained response and relapse rate within 30 days following completion of different oral LFF571 dose regimens (cohort 2)
30 days
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Study Design & Arms
AllocationRANDOMIZED
MaskingSINGLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
LFF571 (POC)EXPERIMENTAL -
Vancomycin (POC)ACTIVE_COMPARATOR -
LFF571 Dose level 1 (cohort 2)EXPERIMENTAL -
LFF571 Dose level 2 (cohort 2)EXPERIMENTAL -
LFF571 Dose level 3 (cohort 2)EXPERIMENTAL -
LFF571 Dose level 4 (cohort 2)EXPERIMENTAL -
Interventions
NameTypeDescription
LFF571DRUG -
Vancomycin (POC)DRUG -
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Eligibility Criteria
Age Range18 Years — 90 Years
SexALL
Healthy VolunteersNo
Study Sites18

Inclusion Criteria: * Males and females between 18 and 90 years of age, inclusive. * Diagnosed with primary episode or first relapse of moderate C. difficile infection. Received ≤24 hours of therapy effective for C. difficile infection prior to enrollment. Exclusion Criteria: * Severe C. diffici...

Countries:United StatesCanada
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