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PR5I

Phase 3

Neisseria Meningitidis | Monoclonal antibody | Infectious Disease |Merck & Company, Inc.|Last Updated: Feb 25, 2019

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
UNCONTROLLED
Total Trials1
Total Enrollment385
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01839188Spanish Mixed HEXA/PENTA/HEXA Schedule (V419-010)PHASE3 COMPLETED 385May 1, 2013Mar 19, 2014Feb 25, 2019 -
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Study Endpoints
Primary Endpoints
Percentage of Participants With an Anti-Hepatitis B Surface Antigen (HBsAg) Antibody Titer ≥10 mIU/mL
Month 5 (one month after receiving Vaccination 3)

The percentage of participants with an anti-HBsAg antibody titer ≥10 mill-International Units/mL (mIU/mL) was assessed. Participant serum samples were collected for analysis with an enhanced chemiluminescence assay to determine the concentration of antibodies to HBsAg.

Percentage of Participants With an Anti-Polyribosylribitol Phosphate (PRP) Antibody Titer ≥0.15 µg/mL
Month 5 (one month after receiving Vaccination 3)

The percentage of participants with an anti-Polyribosylribitol Phosphate (PRP) antibody titer ≥0.15 µg/mL was assessed. Participant serum samples were collected for analysis by radioimmunoassay to determine the concentration of antibodies to PRP, a Haemophilus influenzae type b (Hib) capsular polysaccharide.

Secondary Endpoints
Geometric Mean Concentration of Antibodies to Hepatitis B Surface Antigen (HBsAg)
Month 5 (one month after receiving Vaccination 3)
Geometric Mean Concentration of Antibodies to Polyribosylribitol Phosphate (PRP) Antigen
Month 5 (one month after receiving Vaccination 3)
Geometric Mean Concentration of Antibodies to Diphtheria Toxin
Month 5 (one month after receiving Vaccination 3)
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposePREVENTION
Treatment Arms
ArmTypeDescription
PR5I (V1); Pediacel® (V2); PR5I (V3)EXPERIMENTAL\[Vaccination 1\]: Single doses of PR5I (V419) + NeisVac-C® + Prevenar 13® by intramuscular (IM) injection + oral RotaTeq®, given at 2 months of age. \[Vaccination 2\]: Single doses of Pediacel® + NeisVac-C® + Prevenar 13® by IM injection + oral RotaTeq®, given at 4 months of age. \[Vaccination 3\]: Single dose of PR5I (V419) by IM injection + oral RotaTeq®, given at 6 months of age.
Interventions
NameTypeDescription
PR5IBIOLOGICALHexavalent PR5I vaccine (DTaP-HB-IPV-Hib = Diphtheria and Tetanus Toxoids and Acellular Pertussis Adsorbed \[DTaP\], Hepatitis B \[HB; Recombinant DNA\], Inactivated Poliovirus \[IPV\], and Haemophilus influenzae type b \[Hib\] conjugate vaccine \[adsorbed\]) at 0.5 mL for IM injection (left upper thigh) at 2 and 6 months of age.
Pediacel®BIOLOGICALPentavalent Pediacel® vaccine (DTaP-IPV-Hib = Diphtheria and Tetanus Toxoids and Acellular Pertussis Adsorbed \[DTaP\], Inactivated Poliovirus \[IPV\], and Haemophilus influenzae type b \[Hib\] conjugate vaccine \[adsorbed\]) at 0.5 mL for IM injection (left upper thigh) at 4 months of age.
NeisVac-C®BIOLOGICALMeningococcal group C (MCC) polysaccharide conjugate vaccine (adsorbed) at 0.5 mL for IM injection (right upper thigh) at 2 and 4 months of age.
RotaTeq®BIOLOGICALHuman-bovine rotavirus reassortants (live) vaccine 2 mL oral administration at 2, 4 and 6 months of age. RotaTeq® administered prior to any other vaccine administration to avoid having the infant participants spit up the RotaTeq® when crying.
Prevenar 13®BIOLOGICALPneumococcal polysaccharide conjugate vaccine \[PCV; 13-valent, adsorbed\]) at 0.5 mL for IM injection (right upper thigh) at 2 and 4 months of age.
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Eligibility Criteria
Age Range46 Days — 76 Days
SexALL
Healthy VolunteersYes

Inclusion Criteria: * Healthy infant 46 to 74 days (both inclusive) * Documented receipt of only one dose of monovalent hepatitis B vaccine within the 3 days after birth * Parent(s)/legal representative able to comply with the study procedures Exclusion Criteria: * Participation in any study with...

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