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Not yet recruiting NCT07731100

A Study to Learn About How Food Affects the Uptake of Study Medicine Prifetrastat Into the Blood in Healthy Adults

Phase I Interventional Healthy Adults

For patients and families

In plain language

An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.

What is being studied
The protocol lists: Prifetrastat.
Who it may be relevant to
Registry conditions: Healthy Adults. Basic parameters: from 18 years · All.
What needs checking
Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
Where it takes place
United States
Next step
Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →
Official title

A PHASE 1, RANDOMIZED, OPEN-LABEL, 2-PERIOD, 2-SEQUENCE, SINGLE-DOSE, CROSSOVER STUDY IN HEALTHY PARTICIPANTS TO EVALUATE THE EFFECT OF FOOD ON THE RELATIVE BIOAVAILABILITY OF PRIFETRASTAT

Overview

The purpose of the study is to assess the effect of food (high-fat, high-calorie meal) on the total and peak drug exposure of the planned to be marketed tablet formulation of prifetrastat. This study is seeking participants who are: \- Healthy males and females of nonchildbearing potential ≥18 years of age at screening The participants will receive study medicine prifetrastat as a single tablet by mouth at study clinic under fed or fasted condition. After at least 14 days, they will receive another single tablet of prifetrastat by mouth under fasted or fed condition. The sequence of conditions (fed or fasted first) will be randomized. The results of this study will enable data-driven guidance regarding food intake for participants enrolled in clinical studies of prifetrastat as well as patients receiving prifetrastat post-marketing. Participants will remain in clinic for about 21 days and have one follow up contact.

Interventions

  • Drug Prifetrastat
    Participants will receive Prifetrastat as a single dose, oral tablet on Day 1 of Period 1 and Day 1 of Period 2 with a washout period between two doses

Primary outcome measures

  • Area under the concentration-time curve from time zero to extrapolated infinite time (AUCinf) for Prifetrastat [Time frame: 0 (pre-dose), 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, 120, and 144 hours post-dose]
  • Area under the concentration-time curve from time zero to time of last measurable concentration (AUClast) for Prifetrastat [Time frame: 0 (pre-dose), 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, 120, and 144 hours post-dose]
  • Maximum observed plasma concentration (Cmax) for Prifetrastat [Time frame: 0 (pre-dose), 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, 120, and 144 hours post-dose]
Secondary outcome measures (5)
  • Number of participants with treatment-emergent adverse events [Time frame: Up to 28 to 35 days post last study intervention dose]
  • Number of participants with laboratory test abnormalities [Time frame: Up to 28 to 35 days post last study intervention dose]
  • Number of participants with vital signs values meeting categorical summarization criteria [Time frame: Up to 28 to 35 days post last study intervention dose]
  • Number of participants with clinically significant physical examination abnormalities [Time frame: Up to 28 to 35 days post last study intervention dose]
  • Number of participants with treatment emergent clinically significant abnormal electrocardiogram (ECG) measurements [Time frame: Up to 28 to 35 days post last study intervention dose]

Eligibility criteria

Inclusion criteria

  • Females of nonchildbearing potential and males ≥18 years of age at screening who are overtly healthy as determined by medical evaluation including medical history, physical examination, laboratory tests, vital signs and 12-lead ECGs.
  • Body mass Index (BMI) of 18-32 kg/m2; and a total body weight >50 kg (110 lb).

Exclusion criteria

  • Use of prescription or nonprescription drugs and dietary and herbal supplements within 14 days or 5 half-lives (whichever is longer) prior to the first dose of study intervention
  • Any prior use of epigenetic modifying agents.
  • Current use or anticipated need for food or drugs that are known moderate or strong inducers or inhibitors of CYP2C9 or CYP3A4, including their administration within 14 days plus 5 half-lives of the inducers or 14 days or 5 half lives (whichever is longer) for the inhibitors of CYP2C9 or CYP3A4, prior to first dose of study intervention, during the treatment period, and within 6 days after the last dose of prifetrastat.
  • Proton pump inhibitors must be discontinued at least 14 days prior to the first dose of study medication and throughout treatment period.

Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.

Healthy volunteers: Yes

Study design

Allocation
Randomized
Model
Crossover
Masking
Open label
Primary purpose
Basic science

Study locations

United States · 1 center
  • Pfizer Clinical Research Unit - New Haven — New Haven

Identifiers

NCT: NCT07731100 · C4551008

Primary sources (government registries)

View this study on ClinicalTrials.gov ↗