Single Ascending Dose Study of Intravenous Infusion of PF 07304814 in Healthy Adult Participants

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. This is a randomized, double-blind, sponsor-open, placebo-controlled trial. There will be 2 cohorts with a total of approximately 16 participants planned (approximately 8 participants in each cohort).

Inclusion criteria

• 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.

Exclusion criteria

• 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