Study of PF 04965842 Effect on MATE1/2K Activity in Healthy Participants

A PHASE 1, RANDOMIZED, 2-WAY CROSSOVER, OPEN LABEL STUDY TO ESTIMATE THE EFFECT OF PF-04965842 ON MATE1/2K ACTIVITY, USING METFORMIN AS A PROBE, IN HEALTHY PARTICIPANTS

This is a Phase 1, randomized, 2 way crossover, open label study of the effect of PF-04965842 on metformin (a probe for MATE1/2K activity) PK in healthy adult participants. The effect of PF-04965842 on N1-methylnicotinamide (NMN; an endogenous biomarker for MATE1/2K) PK and its correlation to the effect on metformin PK will also be assessed. Participants will be randomized to 1 of 2 treatment sequences as described below. A total of 12 healthy male and/or female participants will be enrolled in the study so that 6 participants will be enrolled in each treatment sequence. Each treatment sequence will consist of 2 periods.

Study Overview

• Status: Completed
• Conditions: Healthy
• Intervention / Treatment: Drug: Metformin; Drug: PF-04965842

Detailed Description

This is a Phase 1, randomized, 2 way crossover, open label study of the effect of PF-04965842 on metformin (a probe for MATE1/2K activity) PK in healthy adult participants. The effect of PF-04965842 on N1-methylnicotinamide (NMN; an endogenous biomarker for MATE1/2K) PK and its correlation to the effect on metformin PK will also be assessed. Participants will be randomized to 1 of 2 treatment sequences as described below. A total of 12 healthy male and/or female participants will be enrolled in the study so that 6 participants will be enrolled in each treatment sequence. Each treatment sequence will consist of 2 periods. Participants who discontinue from the study may be replaced at the sponsor's discretion. The replacement participant will receive the same treatment sequence as the participant who discontinued.

Participants will be screened within 28 days of the first dose of investigational product. Participants will report to the clinical research unit (CRU) the day prior to Day 1 (ie Day -1) dosing in Period 1 for both treatment sequences. In both sequences, participants will remain in the CRU for a total of 8 days and 7 nights (including Period 1 and Period 2). There will be a minimum 4 day washout period between metformin dosing events. NMN and metformin PK will be assessed in plasma and urine over 24 and 48 hours, respectively.

• Study Type: Interventional
• Enrollment (Actual): 12
• Phase: Phase 1

Contacts and Locations

Study Locations

• Belgium
  • Brussels, Belgium, B-1070
    • Pfizer Clinical Research Unit

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 18 years to 55 years (Adult)
• Accepts Healthy Volunteers: No
• Genders Eligible for Study: All

Description

Inclusion Criteria:

• Male and female participants who are overtly healthy as determined by medical evaluation including a detailed medical history, complete physical examination, laboratory tests, and cardiovascular tests.
• Participants who are willing and able to comply with all scheduled visits, treatment plan, laboratory tests, lifestyle considerations, and other study procedures.
• Female participants who are of child bearing potential must not be intending to become pregnant, currently pregnant, or lactating.
• Body mass index (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.
• Any condition possibly affecting drug absorption (eg, gastrectomy).
• History of human immunodeficiency virus (HIV), hepatitis B virus, or hepatitis C virus infection; positive testing for HIV, hepatitis B surface antigen (HepBsAg), hepatitis B core antibody (HepBcAb), or hepatitis C virus antibody (HCVAb).
• Other acute or chronic medical or psychiatric condition including recent (within the past year).
• Evidence or history of clinically significant dermatological condition (eg, atopic dermatitis or psoriasis) or visible rash present during physical examination.
• Clinically relevant history of lactic acidosis.
• 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 investigational product.
• A positive urine drug test.
• Selected laboratory abnormalities.
• History of regular alcohol consumption exceeding 14 drinks/week for female participants or 21 drinks/week for male participants (1 drink = 5 ounces [150 mL] of wine or 12 ounces [360 mL] of beer or 1.5 ounces [45 mL] of hard liquor) within 6 months before screening.
• Known relevant history of elevated liver function tests (LFTs).
• History of tuberculosis (TB) (active or latent)
• Any history of chronic infections, any history of recurrent infections, any history of latent infections, or any acute infection within 2 weeks of baseline.
• History of disseminated herpes zoster, or disseminated herpes simplex, or recurrent localized dermatomal herpes zoster.

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Treatment
• Allocation: Randomized
• Interventional Model: Crossover Assignment
• Masking: None (Open Label)

Number of Arms

2

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Experimental: Sequence 1; Patients in sequence 1 will received treatment A (metformin) in Period 1 then complete at least 4 days of washout and continue to period 2 where treatment B (PF-04965842 + metformin) will be administered.	Drug: Metformin; Commercially available metformin (GLUCOPHAGE®) as 500 mg tablets.; Other Names: Glucophage; Drug: PF-04965842; PF 04965842 100 mg tablets
Experimental: Sequence 2; Patients in Sequence 2 will start treatment B (PF-04965842 + metformin) then go through a washout period of at least 4 days and continue to Period 2 where treatment A (metformin) will be administered.	Drug: Metformin; Commercially available metformin (GLUCOPHAGE®) as 500 mg tablets.; Other Names: Glucophage; Drug: PF-04965842; PF 04965842 100 mg tablets

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Renal Clearance (CLr) of Metformin	CLr was calculated as cumulative amount of drug recovered unchanged in urine during the dosing interval (Ae) divided by area under the plasma concentration time-curve from time zero to end of dosing interval (AUCtau).	For both Period 1 and Period 2 at intervals of 0-12, 12-24, 24-36, and 36-48 hours post metformin dose

Secondary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Area Under the Plasma Concentration-time Profile From Time 0 Extrapolated to Infinite Time (AUCinf) of Metformin	AUCinf is a measure of the serum concentration of the drug over time. It was used to characterize drug absorption.	Pre-dose and at 0.5, 1, 2, 4, 6, 8, 12, 16, 24, 36 and 48 hours post-dose of metformin on Day 1 for both Period 1 and Period 2
Maximum Plasma Concentration (Cmax) of Metformin	Cmax is maximum observed plasma concentration.	Pre-dose and at 0.5, 1, 2, 4, 6, 8, 12, 16, 24, 36 and 48 hours post-dose of metformin on Day 1 for both Period 1 and Period 2
Time for Cmax (Tmax) of Metformin	Tmax of metformin administrated with or without PF-04965842.	Pre-dose and at 0.5, 1, 2, 4, 6, 8, 12, 16, 24, 36 and 48 hours post-dose of metformin on Day 1 for both Period 1 and Period 2
Area Under the Plasma Concentration Time Profile From Time 0 to the Time of Last Quantifiable Concentration (AUClast) of Metformin	AUClast of metformin administrated with or without PF-04965842.	Pre-dose and at 0.5, 1, 2, 4, 6, 8, 12, 16, 24, 36 and 48 hours post-dose of metformin on Day 1 for both Period 1 and Period 2
Apparent Clearance (CL/F) of Metformin	CL/F is a quantitative measure of the rate at which drug was removed from the blood.	Pre-dose and at 0.5, 1, 2, 4, 6, 8, 12, 16, 24, 36 and 48 hours post-dose of metformin on Day 1 for both Period 1 and Period 2
Apparent Volume of Distribution (Vz/F) of Metformin	Vz/F is defined as the theoretical volume in which the total amount of drug would need to be uniformly distributed to produce the desired plasma concentration of a drug.	Pre-dose and at 0.5, 1, 2, 4, 6, 8, 12, 16, 24, 36 and 48 hours post-dose of metformin on Day 1 for both Period 1 and Period 2
Terminal Half-life (t1/2) of Metformin	t1/2 is the time measured for the plasma concentration to decrease by one half.	Pre-dose and at 0.5, 1, 2, 4, 6, 8, 12, 16, 24, 36 and 48 hours post-dose of metformin on Day 1 for both Period 1 and Period 2
Cumulative Amount of Drug Recovered Unchanged in Urine From 0 to 48 Hours (Ae) of Metformin	Ae is the cumulative amount of drug recovered unchanged in urine during the dosing interval. Cumulative amount was calculated as sum of urine drug concentration in sample volume for each collection interval. Sample volume = (urine weight in gram [g]/1.020), where 1.020 g/mL is the approximate specific gravity of urine.	For both Period 1 and Period 2 at intervals of 0-12, 12-24, 24-36, and 36-48 hours post metformin dose
Percent of Dose Recovered Unchanged in Urine From 0 to 24 Hours (Ae%) of Metformin	Ae% is percent of dose recovered unchanged in urine from 0 to 24 hours post-dose of metformin.	For both Period 1 and Period 2 at intervals of 0-12 and 12-24 hours post metformin dose
Number of Participants With Laboratory Abnormalities	Laboratory parameters included: hematology (hemoglobin, hematocrit, erythrocytes, ery. mean corpuscular volume, ery. mean corpuscular hemoglobin, ery. mean corpuscular HGB concentration, platelets, leukocytes, lymphocytes, neutrophils, basophils, eosinophils, monocytes, activated partial thromboplastin time, prothrombin time, prothrombin intl. normalized ratio, large unstained cells/leukocytes and large unstained cells), clinical chemistry (bilirubin, direct bilirubin, indirect bilirubin, aspartate aminotransferase, alanine aminotransferase, alkaline phosphatase, protein, albumin, blood urea nitrogen, urea, creatinine, urate, sodium, potassium, chloride, calcium, bicarbonate, urobilinogen and glucose -FASTING), urinalysis (specific gravity, pH, urine glucose, ketones, urine protein, urine hemoglobin, urine bilirubin, nitrite and leukocytes). Clinical significance of laboratory parameters is determined at the investigator's discretion.	Screening (within 28 days prior to Day 1) to Day 7
Number of Participants With Categorical Vital Signs Meeting Pre-defined Criteria	Criteria for change in vital signs: pulse rate value less than (<) 40 beats per minute (bpm) or value over than (>) 120 bpm, systolic blood pressure (SBP) value < 90 millimeter of mercury (mmHg) or change from baseline (Chg) equal to or over than (≥) 30 mmHg increase or ≥ Chg 30 mmHg decrease, diastolic blood pressure (DBP) value < 50 mmHg or Chg ≥ 20 mmHg increase or Chg ≥ 20 mmHg decrease.	Screening (within 28 days prior to Day 1) to Day 7
Number of Participants With Treatment Emergent Adverse Events (AEs) and Serious Adverse Events (SAEs) (All Causalities and Treatment-related)	AEs with all causalities were any untoward medical occurrences in a study subject administered a product or medical device which did not necessarily had causal relationship with the treatment or usage. An SAE was an AE resulting in any of the following endpoints or deemed significant for any other reason: death; life threatening (immediate risk of death); inpatient hospitalization or prolongation of existing hospitalization; persistent or significant disability/incapacity; congenital anomaly/birth defect; or considered to be an important medical event. Treatment-related AE was any untoward medical occurrence attributed to study drug in a participant who received study drug. Treatment-emergent are events between first dose of study drug and up to 35 days after last dose that were absent before treatment or that worsened relative to pretreatment state.	Day 1 up to Day 40 (35 days after the last dose of metformin)
Percentage of Participants With Treatment-Emergent AEs and SAEs (All Causalities and Treatment-related)	AEs with all causalities were any untoward medical occurrences in a study subject administered a product or medical device which did not necessarily had causal relationship with the treatment or usage. An SAE was an AE resulting in any of the following endpoints or deemed significant for any other reason: death; life threatening (immediate risk of death); inpatient hospitalization or prolongation of existing hospitalization; persistent or significant disability/incapacity; congenital anomaly/birth defect; or considered to be an important medical event. Treatment-related AE was any untoward medical occurrence attributed to study drug in a participant who received study drug. Treatment-emergent are events between first dose of study drug and up to 35 days after last dose that were absent before treatment or that worsened relative to pretreatment state.	Day 1 up to Day 40 (35 days after the last dose of metformin)

Collaborators and Investigators

• Sponsor: Pfizer

Publications and helpful links

General Publications

• Vourvahis M, Byon W, Chang C, Le V, Diehl A, Graham D, Tripathy S, Raha N, Luo L, Mathialagan S, Dowty M, Rodrigues AD, Malhotra B. Evaluation of the Effect of Abrocitinib on Drug Transporters by Integrated Use of Probe Drugs and Endogenous Biomarkers. Clin Pharmacol Ther. 2022 Sep;112(3):665-675. doi: 10.1002/cpt.2594. Epub 2022 May 9.

Helpful Links

• To obtain contact information for a study center near you, click here.

Study record dates

Study Major Dates

• Study Start (Actual): January 10, 2019
• Primary Completion (Actual): February 13, 2019
• Study Completion (Actual): March 12, 2019

Study Registration Dates

• First Submitted: January 4, 2019
• First Submitted That Met QC Criteria: January 4, 2019
• First Posted (Actual): January 8, 2019

Study Record Updates

• Last Update Posted (Actual): February 5, 2020
• Last Update Submitted That Met QC Criteria: January 22, 2020
• Last Verified: January 1, 2020

More Information

Terms related to this study

• Keywords: Metformin; Phase 1; Atopic dermatitis
• Additional Relevant MeSH Terms: Hypoglycemic Agents; Physiological Effects of Drugs; Molecular Mechanisms of Pharmacological Action; Enzyme Inhibitors; Protein Kinase Inhibitors; Metformin; Abrocitinib
• Other Study ID Numbers: B7451034; DDI (OTHER: Alias Study Number); 2018-003683-31 (EudraCT Number)

Plan for Individual participant data (IPD)

• Plan to Share Individual Participant Data (IPD)?: No
• IPD Plan Description: 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.

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: Yes
• Studies a U.S. FDA-regulated device product: No