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A Study to Learn How Different Forms of the Study Medicine Called PF-08049820 Are Absorbed and Eliminated in Healthy Adults

12. maj 2026 opdateret af: Pfizer

A PHASE 1, OPEN-LABEL, RANDOMIZED, 5-PERIOD, 6-SEQUENCE, CROSSOVER STUDY TO COMPARE THE SINGLE-DOSE PHARMACOKINETICS OF ONE IMMEDIATE RELEASE AND TWO MODIFIED-RELEASE FORMULATIONS OF PF-08049820 ADMINISTERED ORALLY UNDER FASTED AND FED CONDITIONS (PART A), AND A FIXED SEQUENCE STUDY TO ASSESS THE EFFECT OF RABEPRAZOLE ON THE PHARMACOKINETICS OF PF-08049820 (PART B), IN HEALTHY ADULTS

The purpose of this study is to learn how different forms of the study medicine called PF-08049820 are absorbed and eliminated in healthy adults. The study will assess whether the study medicine is absorbed differently when taken with or without food. It will also assess absorption when the study medicine is taken with another medicine called rabeprazole. Rabeprazole is an FDA approved medicine that reduces stomach acid.

The study has two parts. In Part A, participants will take three forms of study medicine, one after the other. They will take each form either with or without food for a total of five doses. Each dose will be separated by a few days. Participants will stay in the clinic for about two weeks. They will receive a telephone follow-up call about a month after the last dose.

In Part B, participants will take three forms of study medicine. They will take each one with or without food, and with or without another medicine called rabeprazole. This means they will take a total of six doses of study medicine. Each dose will be separated by a few days. Participants will stay at the clinic for about three weeks, and about a month after their last dose. They will get a follow-up phone call. Part B may or may not be conducted depending on the results from Part A.

The study is seeking participants who:

  1. Are males or females,
  2. Are at least 18 years of age,
  3. Have a body mass index (BMI) 16 to 32 kilograms per meter squared (kg/m2). Have a total body weight of more than 50 kilograms (kg) (110 pounds).

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

24

Fase

  • Fase 1

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Studiesteder

  • Forenede Stater
    • Connecticut
      • New Haven, Connecticut, Forenede Stater, 06511
        • Pfizer Clinical Research Unit - New Haven

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ja

Beskrivelse

Inclusion Criteria:

  1. Healthy males and females.
  2. At least 18 years of age
  3. Body mass index (BMI) of 16-32 kg/m2; and a total body weight >50kg (110 lb.).

Exclusion Criteria:

  1. Evidence or history of clinically significant medical conditions.
  2. History of human immunodeficiency virus (HIV) infection, hepatitis B, or hepatitis C; positive testing for HIV, hepatitis B or hepatitis C.
  3. History of alcohol abuse or binge drinking and/or any other illicit drug use or dependence within 6 months of Screening.
  4. Participation in studies of other investigational products (drug or vaccine) at any time during their participation in this study.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Grundvidenskab
  • Tildeling: Randomiseret
  • Interventionel model: Crossover opgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Sequence 1 (Part A)
3 different formulations of PF-08049820 administered orally under fasted or fed conditions.
Medicin: PF-08049820
Administreret oralt
Eksperimentel: Sequence 2 (Part A)
3 different formulations of PF-08049820 administered orally under fasted or fed conditions.
Medicin: PF-08049820
Administreret oralt
Eksperimentel: Sequence 3 (Part A)
3 different formulations of PF-08049820 administered orally under fasted or fed conditions.
Medicin: PF-08049820
Administreret oralt
Eksperimentel: Sequence 4 (Part A)
3 different formulations of PF-08049820 administered orally under fasted or fed conditions.
Medicin: PF-08049820
Administreret oralt
Eksperimentel: Sequence 5 (Part A)
3 different formulations of PF-08049820 administered orally under fasted or fed conditions.
Medicin: PF-08049820
Administreret oralt
Eksperimentel: Sequence 6 (Part A)
3 different formulations of PF-08049820 administered orally under fasted or fed conditions.
Medicin: PF-08049820
Administreret oralt
Eksperimentel: Sequence 7 (Optional Part B)
3 different formulations of PF-08049820 administered orally with or without rabeprazole under fasted or fed conditions.
Medicin: PF-08049820
Administreret oralt
Medicin: Rabeprazole
Administered orally

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Area under the concentration-time curve from time zero to the time of the last quantifiable concentration (AUClast)
Tidsramme: Baseline up to Day 16 for Part A and up to Day 24 for optional Part B

Part A: Evaluate the relative bioavailability of different formulations of PF-08049820.

Optional Part B: Estimate the effect of rabeprazole on the PK of different formulations of PF-08049820.
Baseline up to Day 16 for Part A and up to Day 24 for optional Part B
Area under the curve from time zero to extrapolated infinite time (AUCinf) if data permit
Tidsramme: Baseline up to Day 16 for Part A and up to Day 24 for optional Part B

Part A: Evaluate the relative bioavailability of 3 different formulations of PF-08049820.

Optional Part B: Estimate the effect of rabeprazole on the PK of different formulations of PF-08049820.
Baseline up to Day 16 for Part A and up to Day 24 for optional Part B
Maximum observed plasma concentration (Cmax)
Tidsramme: Baseline up to Day 16 for Part A and up to Day 24 for optional Part B

Part A: Evaluate the relative bioavailability of 3 different formulations of PF-08049820.

Optional Part B: Estimate the effect of rabeprazole on the PK of different formulations of PF-08049820.
Baseline up to Day 16 for Part A and up to Day 24 for optional Part B

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Number of Participants With Treatment Emergent Adverse Events (TEAEs)
Tidsramme: Baseline up to Day 48 for Part A and up to Day 56 for optional Part B
Part A and optional Part B
Baseline up to Day 48 for Part A and up to Day 56 for optional Part B
Number of Participants With Serious Adverse Events (SAEs)
Tidsramme: Baseline up to Day 48 for Part A and up to Day 56 for optional Part B
Part A and optional Part B
Baseline up to Day 48 for Part A and up to Day 56 for optional Part B
Number of Participants With Clinically Significant Change From Baseline in Laboratory Abnormalities
Tidsramme: Baseline up to Day 16 for Part A and up to Day 24 for optional Part B
Part A and optional Part B
Baseline up to Day 16 for Part A and up to Day 24 for optional Part B
Number of Participants With Clinically Significant Change From Baseline in Vital Signs
Tidsramme: Baseline up to Day 16 for Part A and up to Day 24 for optional Part B
Part A and optional Part B
Baseline up to Day 16 for Part A and up to Day 24 for optional Part B
Number of Participants With Clinically Significant Change From Baseline in Electrocardiogram (ECG) Findings
Tidsramme: Baseline up to Day 16 for Part A and up to Day 24 for optional Part B
Part A and optional Part B
Baseline up to Day 16 for Part A and up to Day 24 for optional Part B
Area under the concentration-time curve from time zero to the time of the last quantifiable concentration (AUClast)
Tidsramme: Baseline up to Day 16 for Part A
Part A only: Evaluate the food effect on the PK of different formulations of PF-08049820.
Baseline up to Day 16 for Part A
Area under the curve from time zero to extrapolated infinite time (AUCinf) if data permit
Tidsramme: Baseline up to Day 16 for Part A
Part A only: Evaluate the food effect on the PK of different formulations of PF-08049820.
Baseline up to Day 16 for Part A
Maximum observed plasma concentration (Cmax)
Tidsramme: Baseline up to Day 16 for Part A
Part A only: Evaluate the food effect on the PK of different formulations of PF-08049820.
Baseline up to Day 16 for Part A

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Pfizer

Efterforskere

  • Studieleder: Pfizer CT.gov Call Center, Pfizer

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Hjælpsomme links

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

12. maj 2026

Primær færdiggørelse (Anslået)

3. september 2026

Studieafslutning (Anslået)

25. september 2026

Datoer for studieregistrering

Først indsendt

12. maj 2026

Først indsendt, der opfyldte QC-kriterier

12. maj 2026

Først opslået (Faktiske)

20. maj 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

20. maj 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

12. maj 2026

Sidst verificeret

1. maj 2026

Mere information

Begreber relateret til denne undersøgelse

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • C6231008

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

IPD-planbeskrivelse

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.

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ja

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

produkt fremstillet i og eksporteret fra U.S.A.

Ingen

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

Kliniske forsøg med PF-08049820

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Betingelser

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Kosttilskud

Sponsor / samarbejdspartnere

Placeringer

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