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Study in Healthy Adults Evaluating PF-07202954

Phase 1
Completed
Conditions
Non-Alcoholic Fatty Liver Disease
Liver Fibrosis
Interventions
Drug: PF-07202954 Single Dose
Drug: PF-07202954 Repeat Dose
Drug: Placebo
Registration Number
NCT04857437
Lead Sponsor
Pfizer
Brief Summary

The study is planned as a 3 part design with investigator and participant blinded (sponsor-open), placebo controlled, randomized, dose escalation in Part 1 and Part 2; and a randomized, open label design, in Part 3 (if conducted).

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
12
Inclusion Criteria
  • healthy subjects (all 3 Parts)
  • evidence of steatosis on FibroScan (Part 2 only)
  • BMI 17.5 to 30.5 kg/m2 (Part 1, Part 3)
  • BMI 17.5 to 35.4 kg/m2 (Part 2)
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Exclusion Criteria
  • evidence of clinically significant disease
  • subjects on chronic medications
  • clinically significant, abnormal laboratory results, vital signs, or cardiac conduction abnormalities
  • contraindication to MRI (Part 2, only)
Read More

Study & Design

Study Type
INTERVENTIONAL
Study Design
SEQUENTIAL
Arm && Interventions
GroupInterventionDescription
Part 1PF-07202954 Single DoseSingle, Escalating Doses of PF-07202954 or Placebo (Cohorts 1 and 2)
Part 1PlaceboSingle, Escalating Doses of PF-07202954 or Placebo (Cohorts 1 and 2)
Part 2PF-07202954 Repeat DoseRepeated, Escalating Doses of PF-07202954 or placebo from Day 1 to Day 14, inclusive (Cohorts 3, 4, 5, 6 7, and optional Cohort 8)
Part 2PlaceboRepeated, Escalating Doses of PF-07202954 or placebo from Day 1 to Day 14, inclusive (Cohorts 3, 4, 5, 6 7, and optional Cohort 8)
Part 3PF-07202954 Single DoseSingle dose of PF-07202954 with a high-fat/high-caloric meal and a single dose following an overnight fast of ≥10 hours
Primary Outcome Measures
NameTimeMethod
Number of Participants With Treatment Emergent Adverse Events (TEAEs): Part 1From start of study treatment on Day 1 up to 28 days post last dose of study treatment (maximum up to 10 weeks)

An adverse event (AE) was any untoward medical occurrence in a participant, temporally associated with the use of study treatment, whether or not considered related to the study treatment. TEAEs were AEs that occurred following the start of study treatment (either PF-07202954 or placebo) up to approximately 28 days after the last dose.

Number of Participants With Laboratory Abnormalities Meeting Pre-defined Criteria: Part 1From start of study treatment on Day 1 up to 28 days post last dose of study treatment (maximum up to 10 weeks)

Pre-defined criteria for laboratory abnormalities included, hematology: neutrophils/leukocytes (less than \[\<\] 0.8\* lower limit normal \[LLN\]); monocytes/leukocytes (greater than \[\>\] 1.2\* upper limit normal \[ULN\]); clinical chemistry: low density lipoprotein (LDL) (\>1.2\*ULN), creatine kinase (\>2.0\*ULN); and urinalysis: specific gravity (\<1.003); ketones, urine protein, urine hemoglobin, nitrite (greater than equal to \[\>=1\]), urine erythrocytes (\>= 20), red blood cells (RBC) casts (\>1), bacteria (\>20). Number of participants with any laboratory abnormality meeting pre-defined criteria was reported in this outcome measure.

Number of Participants According to Categorization of Vital Signs Data: Part 1From start of study treatment on Day 1 up to 28 days post last dose of study treatment (maximum up to 10 weeks)

Vital signs were categorized according to the following criteria for potential clinical concern: diastolic blood pressure (DBP): \<50 millimeter of mercury (mmHg), increase from baseline \>= 20mmHg; systolic blood pressure (SBP): \<90 mmHg, increase from baseline \>=30mmHg; pulse rate: \<40 beats per minute (bpm), \>120 bpm.

Number of Participants According to Categorization of Electrocardiogram (ECG) Data: Part 1From start of study treatment on Day 1 up to 28 days post last dose of study treatment (maximum up to 10 weeks)

ECG parameters were categorized according to the following criteria for potential clinical concern: PR interval aggregate (msec) \>=300, percent change \>=25/50 percent (%); QRS duration, aggregate (msec) \>=140, percent change \>= 50%; QT interval corrected by Fridericia's formula (QTcF) interval aggregate (msec): \>450 to \<=480, \> 480 to \<=500, \>500, change from baseline: \>30 to \<=60 and change \>60.

Number of Participants With TEAEs: Part 2Up to a maximum of 12 weeks

An AE was any untoward medical occurrence in a participant, temporally associated with the use of study treatment, whether or not considered related to the study treatment.

Number of Participants With Laboratory Abnormalities Meeting Pre-defined Criteria: Part 2Up to a maximum of 12 weeks

Pre-defined criteria for laboratory abnormalities included, hematology: neutrophils/leukocytes (\<0.8\* LLN); monocytes/leukocytes (\>1.2\* ULN); clinical chemistry: LDL (\>1.2\*ULN), creatine kinase (\>2.0\*ULN); and urinalysis: specific gravity (\<1.003); ketones, urine protein, urine hemoglobin, nitrite (\>=1), urine erythrocytes (\>=20), RBC casts (\>1), bacteria (\>20).

Number of Participants According to Categorization of Vital Signs Data: Part 2Up to a maximum of 12 weeks

Vital signs were planned to be categorized according to the following criteria for potential clinical concern: diastolic blood pressure: \<50 mmHg, increase from baseline \>=20mmHg; systolic blood pressure: \<90 mmHg, increase from baseline \>=30mmHg; pulse rate: \<40 bpm, \>120 bpm.

Number of Participants According to Categorization of ECG Data: Part 2Up to a maximum of 12 weeks

ECG parameters were planned to be categorized according to the following criteria for potential clinical concern: PR interval aggregate (msec) \>=300, percent change \>=25/50%; QRS duration, aggregate (msec) \>=140, percent change \>=50%; QTcF interval aggregate (msec): \>450 to \<=480, \>480 to \<=500, \>500, change from baseline: \>30 to \<=60 and change \>60.

Maximum Observed Plasma Concentration (Cmax) of PF-07202954: Part 3Day 1 (pre-dose, 0.5, 1, 2, 3, 4, 5, 8, 12, 16, 24, 36, 48 and 72 hours post-dose)
Time for Cmax (Tmax) of PF-07202954: Part 3Day 1 (pre-dose, 0.5, 1, 2, 3, 4, 5, 8, 12, 16, 24, 36, 48 and 72 hours post-dose)
Area Under the Plasma Concentration Time Profile From Time Zero to the Time of Last Quantifiable Concentration (AUClast) of PF-07202954: Part 3Day 1 (pre-dose, 0.5, 1, 2, 3, 4, 5, 8, 12, 16, 24, 36, 48 and 72 hours post-dose)
Area Under the Plasma Concentration Time Profile From Time Zero Extrapolated to Infinite Time (AUCinf) of PF-07202954: Part 3Day 1 (pre-dose, 0.5, 1, 2, 3, 4, 5, 8, 12, 16, 24, 36, 48 and 72 hours post-dose)

AUCinf = Area under the plasma concentration versus time curve (AUC) from time zero (pre-dose) to extrapolated infinite time (0-inf).

Secondary Outcome Measures
NameTimeMethod
Maximum Observed Plasma Concentration (Cmax) of PF-07202954: Part 1Day 1 (pre-dose, 0.5, 1, 2, 3, 4, 5, 8, 12, 16, 24, 36, 48 and 72 hours post-dose)
Time for Cmax (Tmax) of PF-07202954: Part 1Day 1 (pre-dose, 0.5, 1, 2, 3, 4, 5, 8, 12, 16, 24, 36, 48 and 72 hours post-dose)
Area Under the Plasma Concentration Time Profile From Time Zero to the Time of Last Quantifiable Concentration (AUClast) of PF-07202954: Part 1Day 1 (pre-dose, 0.5, 1, 2, 3, 4, 5, 8, 12, 16, 24, 36, 48 and 72 hours post-dose)

AUClast was determined by linear/log trapezoidal method.

Area Under the Plasma Concentration Time Profile From Time Zero Extrapolated to Infinite Time (AUCinf) of PF-07202954: Part 1Day 1 (pre-dose, 0.5, 1, 2, 3, 4, 5, 8, 12, 16, 24, 36, 48 and 72 hours post-dose)

AUCinf was determined as AUClast + (Clast/kel), where Clast was the predicted plasma concentration at the last quantifiable timepoint estimated from the log-linear regression analysis and kel was the terminal phase rate constant. Treatment groups with same dose and administration were combined as planned.

Terminal Half-life (t1/2) of PF-07202954: Part 1Day 1 (pre-dose, 0.5, 1, 2, 3, 4, 5, 8, 12, 16, 24, 36, 48 and 72 hours post-dose)

T1/2 was calculated as loge (2) divided by kel, where kel is the terminal phase rate constant calculated by a linear regression of the log-linear concentration-time curve. Treatment groups with same dose and administration were combined as planned.

Maximum Observed Plasma Concentration (Cmax) of PF-07202954 on Day 1, 7 and 14: Part 2Day 1, 7 and 14 (pre-dose, 0.5, 1, 2, 3, 4, 5, 8, 10, 12, 14, 16 and 24 hours)
Time for Cmax (Tmax) of PF-07202954 on Day 1, 7 and 14: Part 2Day 1, 7 and 14 (pre-dose, 0.5, 1, 2, 3, 4, 5, 8, 10, 12, 14, 16 and 24 hours)
Area Under the Plasma Concentration-time Profile From Time 0 to Time Tau (AUCtau) of PF-07202954 on Day 1, 7 and 14: Part 2Day 1, 7 and 14 (pre-dose, 0.5, 1, 2, 3, 4, 5, 8, 10, 12, 14, 16 and 24 hours)

Area under the concentration curve from time 0 to end of dosing interval (AUCtau).

Terminal Half-life (t1/2) of PF-07202954 on Day 14: Part 2Day 14 (pre-dose, 0.5, 1, 2, 3, 4, 5, 8, 10, 12, 14, 16 and 24 hours)
Amount of Unchanged Drug Recovered in Urine During Dosing Interval (Aetau) of PF-07202954 on Day 14: Part 2Day 14 (pre-dose, 0.5, 1, 2, 3, 4, 5, 8, 10, 12, 14, 16 and 24 hours)

Aetau was defined as amount of unchanged drug recovered in urine during dosing interval.

Percent of Dose Recovered in Urine as Unchanged Drug Over Dosing Interval (Aetau%) on Day 14: Part 2Day 14 (pre-dose, 0.5, 1, 2, 3, 4, 5, 8, 10, 12, 14, 16 and 24 hours)

Aetau% was defined as percent of dose recovered in urine as unchanged drug over dosing interval.

Renal Clearance (CLr) of PF-07202954 on Day 14: Part 2Day 14 (pre-dose, 0.5, 1, 2, 3, 4, 5, 8, 10, 12, 14, 16 and 24 hours)

Renal clearance was amount of unchanged drug excreted in urine over the dosing interval divided by AUCtau.

Number of Participants With TEAEs: Part 3Up to maximum of 6 weeks

An AE was any untoward medical occurrence in a participant, temporally associated with the use of study treatment, whether or not considered related to the study treatment.

Number of Participants With Laboratory Abnormalities Meeting Pre-defined Criteria: Part 3Up to maximum of 6 weeks

Pre-defined criteria for laboratory abnormalities included, hematology: neutrophils/leukocytes (\<0.8\* LLN); monocytes/leukocytes (\>1.2\* ULN); clinical chemistry: LDL (\>1.2\*ULN), creatine kinase (\>2.0\*ULN); and urinalysis: specific gravity (\<1.003); ketones, urine protein, urine hemoglobin, nitrite (\>=1), urine erythrocytes (\>=20), RBC casts (\>1), bacteria (\>20).

Number of Participants According to Categorization of Vital Signs Data: Part 3Up to maximum of 6 weeks

Vital signs were planned to be categorized according to the following criteria for potential clinical concern: diastolic blood pressure: \<50 mmHg, increase from baseline \>=20mmHg; systolic blood pressure: \<90 mmHg, increase from baseline \>=30mmHg; pulse rate: \<40 bpm, \>120 bpm.

Number of Participants According to Categorization of ECG Data: Part 3Up to maximum of 6 weeks

ECG parameters were planned to be categorized according to the following criteria for potential clinical concern: PR interval aggregate (msec) \>=300, percent change \>=25/50%; QRS duration, aggregate (msec) \>=140, percent change \>=50%; QTcF interval aggregate (msec): \>450 to \<=480, \>480 to \<=500, \>500, change from baseline: \>30 to \<=60 and change \>60.

Trial Locations

Locations (1)

New Haven Clinical Research Unit

🇺🇸

New Haven, Connecticut, United States

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