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Phase 1 Study of MST-168 in Participants With Advanced Solid Malignant Tumors

A Phase 1, Multiregional, Open-label Study to Evaluate the Safety, Tolerability, Pharmacokinetics and Efficacy of MST-168, in Participants With Advanced Solid Malignant Tumors

A Phase 1, multiregional, open-label study of MST-168 in participants with target-driven advanced solid tumors.

The goal of this clinical trial is to evaluate the safety, tolerability, pharmacokinetics, immunogenicity, pharmacodynamic effects, and preliminary efficacy of MST-168 in participants with target-driven advanced solid tumors. MST-168 is an investigational ADC.

Studieoversikt

Status

Har ikke rekruttert ennå

Forhold

Intervensjon / Behandling

Studietype

Intervensjonell

Registrering (Antatt)

420

Fase

  • Fase 1

Kontakter og plasseringer

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

Studiekontakt

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

  • Voksen
  • Eldre voksen

Tar imot friske frivillige

Nei

Beskrivelse

Inclusion Criteria:

  • Participants are eligible to be included in the study only if all of the following criteria apply:

I1. Is capable of giving signed informed consent, including compliance with the requirements and restrictions listed in the ICF and in this protocol.

I2. Is at least 18 years of age at the time of signing the ICF.

I3. Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.

I4. Life expectancy ≥ 12 weeks.

I5. Has adequate organ function.

I6. Pregnancy and Contraception: Female participants agree not to be pregnant or lactating from beginning of the study screening until 6 months after receiving the last treatment. Male participants with partners of childbearing potential and female participants of childbearing potential are willing and able to employ a highly effective method of birth control/contraception to prevent pregnancy from beginning of the study screening until 6 months after receiving the last treatment of MST-168.

I7. Has a pathologically documented advanced/unresectable or metastatic solid tumor that is refractory to or intolerable with standard treatment, or for which no standard treatment is available.

Exclusion Criteria:

  • Participants are excluded from the study if any of the following criteria apply:

E1. Has untreated brain or CNS metastases or brain/CNS metastases that have progressed [e.g., evidence of new or enlarging brain metastasis or new neurologic symptoms attributable to brain/CNS metastases]. Participants with previously unstable brain or CNS metastases.

E2. Has a malignancy (except disease under study) that has progressed or required active treatment within the past 24 months except for basal cell or squamous cell carcinomas of the skin or in-situ carcinomas [e.g., breast, cervix, bladder] that have been resected with no evidence of metastatic disease.

E3. Has any history of prior allogenic or autologous bone marrow transplant or other solid organ transplant.

E4. Has known sensitivity to study intervention components or excipients.

Studieplan

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

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Ikke-randomisert
  • Intervensjonsmodell: Enkeltgruppeoppdrag
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: MST-168 initial dose level treatment Cohort
MST-168 initial dose level
MST-168 is a proprietary antibody-drug conjugate (ADC) developed by Mabsoft Therapeutics.
Eksperimentell: MST-168 dose level 2 treatment Cohort
MST-168 dose level 2
MST-168 is a proprietary antibody-drug conjugate (ADC) developed by Mabsoft Therapeutics.
Eksperimentell: MST-168 dose level 3 treatment Cohort
MST-168 dose level 3
MST-168 is a proprietary antibody-drug conjugate (ADC) developed by Mabsoft Therapeutics.
Eksperimentell: MST-168 dose level 4 treatment Cohort
MST-168 dose level 4
MST-168 is a proprietary antibody-drug conjugate (ADC) developed by Mabsoft Therapeutics.
Eksperimentell: MST-168 dose level 5 treatment Cohort
MST-168 dose level 5
MST-168 is a proprietary antibody-drug conjugate (ADC) developed by Mabsoft Therapeutics.
Eksperimentell: MST-168 dose level 6 treatment Cohort
MST-168 dose level 6, if needed
MST-168 is a proprietary antibody-drug conjugate (ADC) developed by Mabsoft Therapeutics.

Hva måler studien?

Primære resultatmål

Resultatmål
Tidsramme
Incidence of dose-limiting toxicities (DLT)
Tidsramme: Day 1 - Day 28
Day 1 - Day 28
Incidence and severity of AEs, clinically significant changes from Baseline (pre-dose on D1) through to the EOT in vital signs, laboratory tests, physical examinations, 12-lead ECG, and ECHO/MUGA.
Tidsramme: Through study completion, up to 25 months
Through study completion, up to 25 months

Sekundære resultatmål

Resultatmål
Tidsramme
PK parameters for MST-168, total anti-drug antibody and free payload: Tmax
Tidsramme: Day 1 to Day 8
Day 1 to Day 8
PK parameters for MST-168, total anti-drug antibody and free payload: Cmax
Tidsramme: Day 1 to Day 8
Day 1 to Day 8
PK parameters for MST-168, total anti-drug antibody and free payload: AUC0-t
Tidsramme: Day 1 to Day 8
Day 1 to Day 8
PK parameters for MST-168, total anti-drug antibody and free payload: AUC0-∞
Tidsramme: Day 1 to Day 8
Day 1 to Day 8
PK parameters for MST-168, total anti-drug antibody and free payload: t1/2
Tidsramme: Day 1 to Day 8
Day 1 to Day 8
PK parameters for MST-168, total anti-drug antibody and free payload: CL
Tidsramme: Day 1 to Day 8
Day 1 to Day 8
PK parameters for MST-168, total anti-drug antibody and free payload: Vss
Tidsramme: Through study completion, up to 24 months
Through study completion, up to 24 months
PK parameters for MST-168, total anti-drug antibody and free payload: AUCss
Tidsramme: Through study completion, up to 24 months
Through study completion, up to 24 months
PK parameters for MST-168, total anti-drug antibody and free payload: Css,max
Tidsramme: Through study completion, up to 24 months
Through study completion, up to 24 months
PK parameters for MST-168, total anti-drug antibody and free payload: Css,min
Tidsramme: Through study completion, up to 24 months
Through study completion, up to 24 months
Frequencies of ADAs and neutralizing antibodies specific to MST-168.
Tidsramme: Through study completion, up to 24 months
Through study completion, up to 24 months
Biomarkers: cytokines/chemokines and immune cell phenotypes
Tidsramme: Through study completion, up to 24 months
Through study completion, up to 24 months
Objective response rate (ORR) based on RECIST v1.1.
Tidsramme: Through study completion, up to 24 months
Through study completion, up to 24 months
Duration of response (DoR) based on RECIST v1.1.
Tidsramme: Through study completion, up to 24 months
Through study completion, up to 24 months
Progression-free survival (PFS) based on RECIST v1.1.
Tidsramme: Through study completion, up to 24 months
Through study completion, up to 24 months
Disease control rate (DCR) based on RECIST v1.1.
Tidsramme: Through study completion, up to 24 months
Through study completion, up to 24 months

Samarbeidspartnere og etterforskere

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

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)

15. juni 2026

Primær fullføring (Antatt)

30. juni 2028

Studiet fullført (Antatt)

30. juni 2030

Datoer for studieregistrering

Først innsendt

31. mai 2026

Først innsendt som oppfylte QC-kriteriene

8. juni 2026

Først lagt ut (Faktiske)

12. juni 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

12. juni 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

8. juni 2026

Sist bekreftet

1. juni 2026

Mer informasjon

Begreper knyttet til denne studien

Andre studie-ID-numre

  • MST-168-101

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

UBESLUTTE

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .

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