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A Study to Investigate the Effect of Injection Site and Ethnicity on KAI-4729 Pharmacokinetics in Non-Asian and Asian Participants Living With Obesity or Overweight

3. november 2026 oppdatert av: Kailera

A Phase 1, Randomized, Open-Label, Single-Dose Study to Investigate the Effect of Injection Site on Relative Bioavailability of KAI-4729 Subcutaneous Injection and Pharmacokinetics of KAI-4729 in Non-Asian and Asian Participants Living With Obesity or Overweight

The main objectives of this study are to assess the relative bioavailability of KAI-4729 subcutaneous (SC) injection in the upper arm and thigh compared with the abdomen and to measure the pharmacokinetics of KAI-4729 in plasma following a single SC dose in healthy non-Asian and Asian participants.

Studieoversikt

Status

Har ikke rekruttert ennå

Forhold

Intervensjon / Behandling

Studietype

Intervensjonell

Registrering (Antatt)

60

Fase

  • Fase 1

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

Studiesteder

    • California
      • Anaheim, California, Forente stater, 92801
        • Kailera Clinical Site

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

18 år til 55 år (Voksen)

Tar imot friske frivillige

Ja

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Key Inclusion Criteria:

  • Have a body mass index (BMI) ≥25 and ≤40 kilograms per square meter at screening (Days -28 to -2) and on Day -1 of the first Treatment Period
  • Non-Asian Participants Only: Be of non-Asian descent and not identify as being of East Asian origin
  • Asian Participants Only: Be of Asian descent, identify as being of East Asian origin, and have both parents and both sets of grandparents born in East Asia and of East Asian descent
  • Medically healthy

Key Exclusion Criteria:

  • Have estimated glomerular filtration rate <60 milliliters/minute/1.73 square meters at screening (Days -28 to -2) using the 2021 Chronic Kidney Disease Epidemiology Collaboration calculation.
  • Have hemoglobin A1c test result ≥6.5% or blood glucose ≥126 milligrams/deciliter (≥7 millimoles/liter) at screening (Days -28 to -2).
  • Have a history of, or positive test results at screening (Days -28 to -2) for, human immunodeficiency virus (HIV), hepatitis B surface antigen, or active hepatitis C virus infection.
  • Have positive drugs of abuse or alcohol test results at screening (Days -28 to -2) or on Day -1 of each Treatment Period.
  • Be pregnant or planning to be pregnant and/or breastfeeding or planning to breastfeed during the study and within 5 half-lives of the study drug (25 days) following the last study treatment dose.
  • Have any history of malignant disease, including in situ cervical or prostate cancer, within the 5 years prior to informed consent (excludes basal or squamous cell carcinoma that was successfully treated).
  • Have history or presence of clinically significant cardiovascular, pulmonary, hepatic, renal, hematological, gastrointestinal, endocrine, immunologic, dermatologic, psychiatric, or neurological disease/disorder, including any acute illness, within the 3 months prior to informed consent determined by the Investigator (or delegate) to be clinically relevant.
  • Have known hypersensitivity to the study drug; glucagon-like peptide-1 (GLP-1), glucose-dependent insulinotropic polypeptide, and/or glucagon receptor agonist therapies; or any of the study drug ingredients.
  • Have any other conditions or received prior therapy that, in the opinion of the Investigator (or delegate), would make the participant unsuitable for this study, including inability to cooperate fully with the requirements of the study protocol or likelihood of noncompliance with any study requirements.

Note: Additional inclusion/exclusion criteria may apply, per protocol.

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Grunnvitenskap
  • Tildeling: Randomisert
  • Intervensjonsmodell: Crossover-oppdrag
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Upper Arm Injection Site

Participants will receive KAI-4729 as a single SC injection into the upper arm on Day 1 of either Treatment Period 1, 2, or 3.

SC injection

Eksperimentell: Abdomen Injection Site

Participants will receive KAI-4729 as a single SC injection into the abdomen on Day 1 of either Treatment Period 1, 2, or 3.

SC injection

Eksperimentell: Thigh Injection Site

Participants will receive KAI-4729 as a single SC injection into the thigh on Day 1 of either Treatment Period 1, 2, or 3.

SC injection

Eksperimentell: Abdomen Injection Site (Asian Participants)

Asian participants will receive KAI-4729 as a single SC injection into the abdomen on Day 1 of Treatment Period 1.

SC injection

Hva måler studien?

Primære resultatmål

Resultatmål
Tidsramme
Maximum Observed Plasma Concentration (Cmax) of KAI-4729 in the Upper Arm and Thigh Compared to the Abdomen
Tidsramme: Treatment Period 1, 2 and 3: Pre-dose and up to 29 days post-dose
Treatment Period 1, 2 and 3: Pre-dose and up to 29 days post-dose
Area Under the Concentration-time Curve From Time 0 to Time of Last Quantifiable Concentration (AUC0-t) of KAI-4729 in the Upper Arm and Thigh Compared to the Abdomen
Tidsramme: Treatment Period 1, 2 and 3: Pre-dose and up to 29 days post-dose
Treatment Period 1, 2 and 3: Pre-dose and up to 29 days post-dose
Area Under the Concentration-time Curve From Time 0 to Infinity (AUC0-inf) of KAI-4729 in the Upper Arm and Thigh Compared to the Abdomen
Tidsramme: Treatment Period 1, 2 and 3: Pre-dose and up to 29 days post-dose
Treatment Period 1, 2 and 3: Pre-dose and up to 29 days post-dose
Cmax of KAI-4729 in Healthy Non-Asian and Asian Participants
Tidsramme: Treatment Period 1, 2 and 3: Pre-dose and up to 29 days post-dose; Treatment Period 1: Pre-dose and up to 29 days post-dose (Asian Participants)
Treatment Period 1, 2 and 3: Pre-dose and up to 29 days post-dose; Treatment Period 1: Pre-dose and up to 29 days post-dose (Asian Participants)
AUC0-t of KAI-4729 in Healthy Non-Asian and Asian Participants
Tidsramme: Treatment Period 1, 2 and 3: Pre-dose and up to 29 days post-dose; Treatment Period 1: Pre-dose and up to 29 days post-dose (Asian Participants)
Treatment Period 1, 2 and 3: Pre-dose and up to 29 days post-dose; Treatment Period 1: Pre-dose and up to 29 days post-dose (Asian Participants)
AUC0-inf of KAI-4729 in Healthy Non-Asian and Asian Participants
Tidsramme: Treatment Period 1, 2 and 3: Pre-dose and up to 29 days post-dose; Treatment Period 1: Pre-dose and up to 29 days post-dose (Asian Participants)
Treatment Period 1, 2 and 3: Pre-dose and up to 29 days post-dose; Treatment Period 1: Pre-dose and up to 29 days post-dose (Asian Participants)

Sekundære resultatmål

Resultatmål
Tidsramme
Number of Participants Who Experience a Treatment-emergent Adverse Event (TEAE)
Tidsramme: Day 1 to Day 99
Day 1 to Day 99
Number of Participants Who Experience a Serious Adverse Event (SAE)
Tidsramme: Day 1 to Day 99
Day 1 to Day 99
Number of Participants Who Experience Antidrug Antibodies (ADAs) to KAI-4729
Tidsramme: Treatment Period 1, 2 and 3: Day 1, Day 8, Day 29 post-dose
Treatment Period 1, 2 and 3: Day 1, Day 8, Day 29 post-dose

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Etterforskere

  • Studieleder: Medical Director, Kailera Therapeutics, Inc.

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Antatt)

1. november 2026

Primær fullføring (Antatt)

1. april 2027

Studiet fullført (Antatt)

1. april 2027

Datoer for studieregistrering

Først innsendt

3. november 2026

Først innsendt som oppfylte QC-kriteriene

3. november 2026

Først lagt ut (Faktiske)

9. november 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

9. november 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

3. november 2026

Sist bekreftet

1. november 2026

Mer informasjon

Begreper knyttet til denne studien

Andre studie-ID-numre

  • K4729-1115

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

NEI

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Ja

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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