NCT04627532

Brief Summary

The current study is the second clinical administration with PF-07304814, the phosphate prodrug of the active moiety PF-00835231, and the first in healthy adult participants. It is to evaluate safety, tolerability and PK of single escalating doses of PF 07304814 given as a 24-h IV infusion.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
16

participants targeted

Target at below P25 for phase_1 healthy

Timeline
Completed

Started Oct 2020

Shorter than P25 for phase_1 healthy

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

October 21, 2020

Completed
2 days until next milestone

Study Start

First participant enrolled

October 23, 2020

Completed
21 days until next milestone

First Posted

Study publicly available on registry

November 13, 2020

Completed
1 month until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 17, 2020

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 17, 2020

Completed
Last Updated

January 6, 2021

Status Verified

December 1, 2020

Enrollment Period

2 months

First QC Date

October 21, 2020

Last Update Submit

January 4, 2021

Conditions

Keywords

SAD, Healthy

Outcome Measures

Primary Outcomes (4)

  • Number of participants with treatment emergent treatment-related adverse event(s)

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

    Dosing through follow-up call (28-32 days after last dose of investigational product)

  • Number of participants with laboratory test findings of potential clinical importance

    Percentage of subjects with laboratory abnormalities

    Dosing through Day 5 of last period

  • Number of participants with vital signs findings of potential clinical importance

    blood pressure, pulse rate, temperature, respiration rate

    Dosing through Day 5 of last period

  • Number of participants with ECG findings of potential clinical importance

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

    Dosing through Day 5 of last period

Secondary Outcomes (12)

  • Plasma Cmax of PF-07304814 (prodrug) and PF 00835231 (active moiety)

    0-48 hours post the start of dosing

  • Plasma C24 of PF-07304814 (prodrug) and PF 00835231 (active moiety)

    0-48 hours post the start of dosing

  • Plasma Css of PF-07304814 (prodrug) and PF 00835231 (active moiety)

    0-48 hours post the start of dosing

  • Plasma AUClast of PF-07304814 (prodrug) and PF 00835231 (active moiety)

    0-48 hours post the start of dosing

  • Plasma AUCinf of PF-07304814 (prodrug) and PF 00835231 (active moiety)

    0-48 hours post the start of dosing

  • +7 more secondary outcomes

Study Arms (2)

Treatment

EXPERIMENTAL

PF-07304814 assignment

Drug: PF-07304814

Placebo

PLACEBO COMPARATOR

Placebo assigned

Drug: Placebo

Interventions

Participants will receive PF-07304814

Treatment

Participants will recieve placebo

Placebo

Eligibility Criteria

Age18 Years - 60 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Male and female participants must be 18 to 60 years of age. All fertile participants must agree to use a highly effective method of contraception.
  • Male and female participants who are overtly healthy as determined by medical evaluation including medical history, physical examination.
  • Participants who are willing and able to comply with all scheduled visits, treatment plan, laboratory tests, lifestyle considerations, and other study procedures.
  • BMI of 17.5 to 30.5 kg/m2; and a total body weight \>50 kg (110 lb).
  • Capable of giving signed informed consent.

You may not qualify if:

  • Evidence or history of clinically significant hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, neurological, or allergic disease.
  • History of HIV infection, hepatitis B, or hepatitis C; positive testing for HIV, HBsAg, or HCVAb. Hepatitis B vaccination is allowed.
  • Other medical or psychiatric condition including recent (within the past year) or active suicidal ideation/behavior or laboratory abnormality that may increase the risk of study participation.
  • History of venous thromboembolic event, including deep venous thrombosis or pulmonary embolism.
  • Use of prescription or nonprescription drugs and dietary and herbal supplements within 7 days or 5 half lives (whichever is longer) prior to the first dose of study intervention
  • Previous administration with an investigational drug within 30 days (or as determined by the local requirement) or 5 half-lives preceding the first dose of study intervention used in this study (whichever is longer).
  • A positive urine drug test at screening or admission and confirmed by repeat test, if deemed necessary.
  • Screening supine BP ≥140 mm Hg (systolic) or ≥90 mm Hg (diastolic), following at least 5 minutes of supine rest.
  • Baseline 12 lead ECG that demonstrates clinically relevant abnormalities that may affect participant safety or interpretation of study results
  • History of alcohol abuse or binge drinking and/or any other illicit drug use or dependence within 6 months of Screening.
  • Blood donation (excluding plasma donations) of approximately 1 pint (500 mL) or more within 60 days prior to dosing.
  • Investigator site staff or Pfizer employees directly involved in the conduct of the study, site staff otherwise supervised by the investigator, and their respective family members

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

New Haven Clinical Research Unit

New Haven, Connecticut, 06511, United States

Location

Related Publications (1)

  • Zhu T, Pawlak S, Toussi SS, Hackman F, Thompson K, Song W, Salageanu J, Winter E, Shi H, Winton J, Binks M. Safety, Tolerability, and Pharmacokinetics of Intravenous Doses of PF-07304814, a Phosphate Prodrug Protease Inhibitor for the Treatment of SARS-CoV-2, in Healthy Adult Participants. Clin Pharmacol Drug Dev. 2022 Dec;11(12):1382-1393. doi: 10.1002/cpdd.1174. Epub 2022 Oct 26.

Related Links

MeSH Terms

Interventions

lufotrelvir

Study Officials

  • Pfizer CT.gov Call Center

    Pfizer

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR
Purpose
BASIC SCIENCE
Intervention Model
CROSSOVER
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 21, 2020

First Posted

November 13, 2020

Study Start

October 23, 2020

Primary Completion

December 17, 2020

Study Completion

December 17, 2020

Last Updated

January 6, 2021

Record last verified: 2020-12

Data Sharing

IPD Sharing
Will not share

Pfizer will provide access to individual de-identified participant data and related study documents (e.g. protocol, Statistical Analysis Plan (SAP), Clinical Study Report (CSR)) upon request from qualified researchers, and subject to certain criteria, conditions, and exceptions. Further details on Pfizer's data sharing criteria and process for requesting access can be found at: https://www.pfizer.com/science/clinical\_trials/trial\_data\_and\_results/data\_requests.

Locations