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PF-07304814

Phase 1

Healthy | Small molecule | Other |Pfizer, Inc.|Last Updated: Oct 20, 2025

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
RandomizedDouble-BlindPLACEBO_CONTROLLEDBiomarker
Total Trials2
Total Enrollment21
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05050682Study to Investigate the Mass Balance, Metabolism, and Excretion of [14C]-PF-07304814 in Healthy ParticipantsPHASE1 COMPLETED 5Oct 7, 2021Dec 10, 2021Oct 20, 20251 United States
NCT04627532Single Ascending Dose Study of Intravenous Infusion of PF 07304814 in Healthy Adult ParticipantsPHASE1 COMPLETED 16Oct 23, 2020Dec 17, 2020Jan 6, 20211 United States
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Study Endpoints
Primary Endpoints
The Mean (SD) Amount of [14C] Recovered in Urine, as a Percent of the Total [14C] Dose Administered
from pre-dose to 216h post the start of infusion

This is to confirm mass balance and characterize the routes of elimination of \[14C\]-PF-07304814 and drug related materials following 420 nCi/500 mg dose of \[14C\] PF-07304814.

The Mean (SD) Amount of [14C] Recovered in Feces, as a Percent of the Total [14C] Dose Administered
from pre-dose to 216h post the start of infusion

This is to confirm mass balance and characterize the routes of elimination of \[14C\]-PF-07304814 and drug related materials following 420 nCi/500 mg dose of \[14C\] PF-07304814.

The Mean (SD) Percentage of [14C] Relative to the Administered Dose in Excreta (Urine + Feces)
from pre-dose to 216h post the start of infusion

This is to confirm mass balance and characterize the routes of elimination of \[14C\]-PF-07304814 and drug related materials following 420 nCi/500 mg dose of \[14C\] PF-07304814.

Area Under the Concentration-time Profile From Time Zero to the Time of the Last Quantifiable Concentration (AUClast) for Plasma PF-07304814 and Plasma PF-00835231
0.5h, 1h, 2h, 6h, 12h, 24h, 25h, 27h, 32h, 48h, 72h, 96h, 120h, 144h, 216h post the start of infusion

Area under the concentration-time profile from time zero to the time of the last quantifiable concentration (Clast), using linear/log trapezoidal method.

Area Under the Concentration-time Profile From Time Zero to the Time of the Last Quantifiable Concentration (AUClast) for Plasma Total [14C]
pre-dose, 0.5h, 1h, 2h, 6h, 12h, 24h, 25h, 27h, 32h, 48h, 72h, 96h, 120h, 144h, 216h post the start of infusion

Area under the concentration-time profile from time zero to the time of the last quantifiable concentration (Clast), using linear/log trapezoidal method.

Area Under the Concentration-time Profile From Time Zero Extrapolated to Infinite Time (AUCinf) for Plasma PF-00835231
0.5h, 1h, 2h, 6h, 12h, 24h, 25h, 27h, 32h, 48h, 72h, 96h, 120h, 144h, 216h post the start of infusion

Area under the concentration-time profile from time zero extrapolated to infinite time. AUClast + (Clast\*/kel), where Clast\* is the predicted plasma concentration at the last quantifiable time point estimated from the log-linear regression analysis (if data permit).

AUCinf for Plasma Total [14C]
pre-dose, 0.5h, 1h, 2h, 6h, 12h, 24h, 25h, 27h, 32h, 48h, 72h, 96h, 120h, 144h, 216h post the start of infusion

Area under the concentration-time profile from time zero extrapolated to infinite time. AUClast + (Clast\*/kel), where Clast\* is the predicted plasma concentration at the last quantifiable time point estimated from the log-linear regression analysis (if data permit).

Maximum Observed Plasma Concentration (Cmax) for Plasma PF-07304814 and Plasma PF-00835231
0.5h, 1h, 2h, 6h, 12h, 24h, 25h, 27h, 32h, 48h, 72h, 96h, 120h, 144h, 216h post the start of infusion

Maximum observed plasma concentration. This was observed directly from data.

Cmax for Plasma Total [14C]
pre-dose, 0.5h, 1h, 2h, 6h, 12h, 24h, 25h, 27h, 32h, 48h, 72h, 96h, 120h, 144h, 216h post the start of infusion

Maximum observed plasma concentration. This was observed directly from data.

Time for Cmax (Tmax) for Plasma PF-07304814 and Plasma PF-00835231
pre-dose, 0.5h, 1h, 2h, 6h, 12h, 24h, 25h, 27h, 32h, 48h, 72h, 96h, 120h, 144h, 216h post the start of infusion

Time for Cmax. This was observed directly from data as time of first occurrence.

Tmax for Plasma Total 14C
pre-dose, 0.5h, 1h, 2h, 6h, 12h, 24h, 25h, 27h, 32h, 48h, 72h, 96h, 120h, 144h, 216h post the start of infusion

Time for Cmax. This was observed directly from data as time of first occurrence.

Obsereved Plasma Concentration at 24 Hours (C24) for Plasma PF-07304814 and Plasma PF-00835231
24 hours post the start of infusion

Obsereved plasma concentration at 24 hours. This was observed directly from data.

C24 for Plasma Total [14C]
24hours post the start of infusion

Obsereved plasma concentration at 24 hours. This was observed directly from data.

Systematic Clearance (CL) for Plasma PF-07304814
0.5h, 1h, 2h, 6h, 12h, 24h, 25h, 27h, 32h, 48h, 72h, 96h, 120h, 144h, 216h post the start of infusion

Systemic clearance. This was determined by Dose/AUCinf (if data permit).

Steady-state Volume of Distribution Following Intravenous Infusion (Vss) for Plasma PF-07304814
0.5h, 1h, 2h, 6h, 12h, 24h, 25h, 27h, 32h, 48h, 72h, 96h, 120h, 144h, 216h post the start of infusion

Steady-state volume of distribution following intravenous infusion. This was determined by Vss=CL × \[MRT-(infusion time/2)\] where MRT is the Mean Residence Time and is calculated as AUMCinf (the area under the first moment curve from time 0 extrapolated to infinite time)/AUCinf (area under the concentration-time profile from time 0 extrapolated to infinite time), if data permit.

Terminal Elimination Half-life (t½) for Plasma PF-00835231
0.5h, 1h, 2h, 6h, 12h, 24h, 25h, 27h, 32h, 48h, 72h, 96h, 120h, 144h, 216h post the start of infusion

Terminal elimination half-life. This was determined by Loge(2)/kel, where kel is the terminal phase rate constant calculated by a linear regression of the log-linear concentration-time curve (if data permit).

t½ for Plasma Total [14C]
pre-dose, 0.5h, 1h, 2h, 6h, 12h, 24h, 25h, 27h, 32h, 48h, 72h, 96h, 120h, 144h, 216h post the start of infusion

Terminal elimination half-life. This was determined by Loge(2)/kel, where kel is the terminal phase rate constant calculated by a linear regression of the log-linear concentration-time curve (if data permit).

Number of participants with treatment emergent treatment-related adverse event(s)
Dosing through follow-up call (28-32 days after last dose of investigational product)

Frequency, severity and causal relationship of treatment emergent adverse events (TEAEs) and withdrawals due to TEAEs

Number of participants with laboratory test findings of potential clinical importance
Dosing through Day 5 of last period

Percentage of subjects with laboratory abnormalities

Number of participants with vital signs findings of potential clinical importance
Dosing through Day 5 of last period

blood pressure, pulse rate, temperature, respiration rate

Number of participants with ECG findings of potential clinical importance
Dosing through Day 5 of last period

Number of subjects with change from baseline in electrocardiogram (ECG) parameters

Secondary Endpoints
Percentage of Total Radioactivity in Each Matrix (Plasma, Urine and Feces) of Metabolites of PF-07304814
Predose to maximum of Day 10
Number of Subjects With Treatment-emergent Adverse Events (TEAEs)
From first dose up to 28-35 days from administration of the dose of study intervention (maximum of 35 days)
Number of Subjects With Vital Signs Data Meeting Categorical Summarization Criteria
from Screening (Day-42 to Day-2) to 216h or early termination/discontinuation
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
PF-07304814EXPERIMENTALPF-07304814 is an anti-viral, formulated for intravenous delivery
TreatmentEXPERIMENTALPF-07304814 assignment
PlaceboPLACEBO_COMPARATORPlacebo assigned
Interventions
NameTypeDescription
PF-07304814DRUGPF-07304814 is an anti-viral, formulated for intravenous delivery
PlaceboDRUGParticipants will recieve placebo
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Eligibility Criteria
Age Range18 Years — 55 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: 1. Male and female participants must be 18 to 55 years of age, inclusive, at the time of signing the ICD. 2. Participants who are overtly healthy as determined by medical evaluation including medical history, physical examination, laboratory tests, and ECGs. 3. Participants who ...

Countries:United States
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