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

1 oktober 2026 uppdaterad av: 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.

Studieöversikt

Status

Har inte rekryterat ännu

Betingelser

Intervention / Behandling

Studietyp

Interventionell

Inskrivning (Beräknad)

110

Fas

  • Fas 2
  • Fas 1

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

18 år och äldre (Vuxen, Äldre vuxen)

Tar emot friska volontärer

Nej

Kön som är behöriga för studier

Allt

Beskrivning

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

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Behandling
  • Tilldelning: Icke-randomiserad
  • Interventionsmodell: Sekventiell tilldelning
  • Maskning: Ingen (Open Label)

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Experimentell: K-1728 Monotherapy

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

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

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

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

Läkemedel: Fulvestrant

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

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

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

Läkemedel: Fulvestrant

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

Läkemedel: Palbociclib

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

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Maximum Tolerated Dose (MTD)/Maximum Efficacious Dose (MED) and Recommended Phase 2 Dose (RP2D)
Tidsram: 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)
Tidsram: 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)
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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)

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Pharmacokinetics - Maximum Plasma Concentration (Cmax) of K-1728
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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)
Tidsram: 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

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Sponsor

KymaThera, Inc.

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart (Beräknad)

1 oktober 2026

Primärt slutförande (Beräknad)

1 september 2028

Avslutad studie (Beräknad)

1 mars 2029

Studieregistreringsdatum

Först inskickad

24 september 2026

Först inskickad som uppfyllde QC-kriterierna

1 oktober 2026

Första postat (Faktisk)

6 oktober 2026

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

6 oktober 2026

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

1 oktober 2026

Senast verifierad

1 oktober 2026

Mer information

Termer relaterade till denna studie

Ytterligare relevanta MeSH-villkor

Andra studie-ID-nummer

  • K-1728-1001

Plan för individuella deltagardata (IPD)

Planerar du att dela individuella deltagardata (IPD)?

NEJ

Läkemedels- och apparatinformation, studiedokument

Studerar en amerikansk FDA-reglerad läkemedelsprodukt

Nej

Studerar en amerikansk FDA-reglerad produktprodukt

Nej

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