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A Phase 1/2a Study of K-1728 in Advanced Solid Tumors (PIKYMA-01)

1 oktober 2026 bijgewerkt door: KymaThera, Inc.

A First-in-Human Study of K-1728 Administered Alone and in Combination in Participants With Advanced or Metastatic Solid Tumors

This first-in-human, open-label, multicenter study evaluates K-1728 administered as monotherapy and in combination in participants with advanced or metastatic solid tumors. The study assesses the safety, tolerability, pharmacokinetics, and preliminary antitumor activity of K-1728.

Studie Overzicht

Toestand

Nog niet aan het werven

Conditie

Interventie / Behandeling

Studietype

Ingrijpend

Inschrijving (Geschat)

110

Fase

  • Fase 2
  • Fase 1

Deelname Criteria

Onderzoekers zoeken naar mensen die aan een bepaalde beschrijving voldoen, de zogenaamde geschiktheidscriteria. Enkele voorbeelden van deze criteria zijn iemands algemene gezondheidstoestand of eerdere behandelingen.

Geschiktheidscriteria

Leeftijden die in aanmerking komen voor studie

18 jaar en ouder (Volwassen, Oudere volwassene)

Accepteert gezonde vrijwilligers

Nee

Geslachten die in aanmerking komen voor studie

Allemaal

Beschrijving

Key Inclusion Criteria:

  • Adults with advanced or metastatic solid tumors who are able to provide consent
  • Documented activating PIK3CA mutation
  • ECOG performance status 0 or 1
  • Adequate organ function

Key Exclusion Criteria:

  • Active or untreated central nervous system disease
  • Clinical significant or uncontrolled cardiovascular disease
  • Significant or uncontrolled intercurrent illness
  • Pregnant or breastfeeding
  • Other protocol-defined exclusion criteria

Studie plan

Dit gedeelte bevat details van het studieplan, inclusief hoe de studie is opgezet en wat de studie meet.

Hoe is de studie opgezet?

Ontwerpdetails

  • Primair doel: Behandeling
  • Toewijzing: Niet-gerandomiseerd
  • Interventioneel model: Sequentiële toewijzing
  • Masker: Geen (open label)

Wapens en interventies

Deelnemersgroep / Arm
Interventie / Behandeling
Experimenteel: K-1728 Monotherapy

Participants receive K-1728 orally as monotherapy
Geneesmiddel: K-1728

K-1728 will be administered orally once daily in 28-day cycles
Experimenteel: K-1728 + Endocrine Therapy

Participants receive K-1728 orally in combination with endocrine therapy
Geneesmiddel: K-1728

K-1728 will be administered orally once daily in 28-day cycles

Geneesmiddel: Fulvestrant

Fulvestrant will be administered intramuscularly on Days 1 and 15 of Cycle 1, and then Day 1 of each subsequent 28-day cycle
Experimenteel: K-1728 + Endocrine Therapy + CDK4/6 Inhibitor

Participants receive K-1728 orally in combination with endocrine therapy and a CDK4/6 inhibitor
Geneesmiddel: K-1728

K-1728 will be administered orally once daily in 28-day cycles

Geneesmiddel: Fulvestrant

Fulvestrant will be administered intramuscularly on Days 1 and 15 of Cycle 1, and then Day 1 of each subsequent 28-day cycle

Geneesmiddel: Palbociclib

Palbociclib will be administered orally on Days 1-21 in 28-day cycles

Wat meet het onderzoek?

Primaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Maximum Tolerated Dose (MTD)/Maximum Efficacious Dose (MED) and Recommended Phase 2 Dose (RP2D)
Tijdsspanne: Cycle 1 (28 days) through completion of dose escalation (up to approximately 24 months)

Determination of the MTD/MED and RP2D of K-1728 administered as monotherapy and in combination
Cycle 1 (28 days) through completion of dose escalation (up to approximately 24 months)
Incidence of Dose-Limiting Toxicities (DLTs)
Tijdsspanne: Initiation of study drug through Cycle 1 (28 days)

Number and percentage of participants experiencing a dose-limiting toxicity during the DLT-evaluation period with of K-1728 administered as monotherapy and in combination
Initiation of study drug through Cycle 1 (28 days)
Incidence of Adverse Events (AEs) and Serious Adverse Events (SAEs)
Tijdsspanne: From first dose through 30 days after the last dose of study treatment (up to approximately 24 months)

Number and percentage of participants with adverse events and serious adverse events with K-1728 administered as a monotherapy and in combination
From first dose through 30 days after the last dose of study treatment (up to approximately 24 months)
Changes in laboratory parameters
Tijdsspanne: From first dose through 30 days after the last dose of study treatment (up to approximately 24 months)

Compared to baseline, changes in laboratory parameters with K-1728 administered as monotherapy and in combination
From first dose through 30 days after the last dose of study treatment (up to approximately 24 months)
Changes in vital signs
Tijdsspanne: From first dose through 30 days after the last dose of study treatment (up to approximately 24 months)

Compared to baseline, changes in vital signs with K-1728 administered as monotherapy and in combination
From first dose through 30 days after the last dose of study treatment (up to approximately 24 months)
Changes in electrocardiogram (ECG) parameters
Tijdsspanne: From first dose through 30 days after the last dose of study treatment (up to approximately 24 months)

Compared to baseline, changes in ECG parameters (including QT interval, QTc interval, QRS complex, and PR interval)
From first dose through 30 days after the last dose of study treatment (up to approximately 24 months)
Changes in physical examination
Tijdsspanne: From first dose through 30 days after the last dose of study treatment (up to approximately 24 months)

Compared to baseline, changes in physical examination
From first dose through 30 days after the last dose of study treatment (up to approximately 24 months)

Secundaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Pharmacokinetics - Maximum Plasma Concentration (Cmax) of K-1728
Tijdsspanne: Approximately every 2 weeks in Cycle 1 (4-week cycle) and every cycle until end of treatment, approximately 24 months

Cmax of K-1728 when administered as monotherapy or in combination
Approximately every 2 weeks in Cycle 1 (4-week cycle) and every cycle until end of treatment, approximately 24 months
Pharmacokinetics - Time to Maximum Plasma Concentration (Tmax) of K-1728
Tijdsspanne: Approximately every 2 weeks in Cycle 1 (4-week cycle) and every cycle until end of treatment, approximately 24 months

Tmax of K-1728 when administered as monotherapy or in combination
Approximately every 2 weeks in Cycle 1 (4-week cycle) and every cycle until end of treatment, approximately 24 months
Pharmacokinetics - Area Under the Plasma Concentration-Time Curve (AUC) of K-1728
Tijdsspanne: Approximately every 2 weeks in Cycle 1 (4-week cycle) and every cycle until end of treatment, approximately 24 months

AUC of K-1728 when administered as monotherapy or in combination
Approximately every 2 weeks in Cycle 1 (4-week cycle) and every cycle until end of treatment, approximately 24 months
Pharmacokinetics - Half-life (t1/2) of K-1728 when administered as monotherapy or in combination
Tijdsspanne: Approximately every 2 weeks in Cycle 1 (4-week cycle) and every cycle until end of treatment, approximately 24 months

t1/2 of K-1728 when administered as monotherapy or in combination
Approximately every 2 weeks in Cycle 1 (4-week cycle) and every cycle until end of treatment, approximately 24 months
Preliminary Efficacy - Overall Response Rate (ORR)
Tijdsspanne: Initiation of study drug until disease progression, assessed up to approximately 24 months

Objective Response Rate (ORR) as assessed by RECIST v1.1
Initiation of study drug until disease progression, assessed up to approximately 24 months

Medewerkers en onderzoekers

Hier vindt u mensen en organisaties die betrokken zijn bij dit onderzoek.

Sponsor

KymaThera, Inc.

Studie record data

Deze datums volgen de voortgang van het onderzoeksdossier en de samenvatting van de ingediende resultaten bij ClinicalTrials.gov. Studieverslagen en gerapporteerde resultaten worden beoordeeld door de National Library of Medicine (NLM) om er zeker van te zijn dat ze voldoen aan specifieke kwaliteitscontrolenormen voordat ze op de openbare website worden geplaatst.

Bestudeer belangrijke data

Studie start (Geschat)

1 oktober 2026

Primaire voltooiing (Geschat)

1 september 2028

Studie voltooiing (Geschat)

1 maart 2029

Studieregistratiedata

Eerst ingediend

24 september 2026

Eerst ingediend dat voldeed aan de QC-criteria

1 oktober 2026

Eerst geplaatst (Werkelijk)

6 oktober 2026

Updates van studierecords

Laatste update geplaatst (Werkelijk)

6 oktober 2026

Laatste update ingediend die voldeed aan QC-criteria

1 oktober 2026

Laatst geverifieerd

1 oktober 2026

Meer informatie

Termen gerelateerd aan deze studie

Aanvullende relevante MeSH-voorwaarden

Andere studie-ID-nummers

  • K-1728-1001

Plan Individuele Deelnemersgegevens (IPD)

Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?

NEE

Informatie over medicijnen en apparaten, studiedocumenten

Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel

Nee

Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct

Nee

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