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MG1-MAGEA3 With Ad-MAGEA3 and Pembrolizumab in Patients With Previously Treated Metastatic Melanoma or Cutaneous Squamous Cell Carcinoma (Pelican)

1. april 2021 oppdatert av: Turnstone Biologics, Corp.

A Phase 1b, Multicenter, Open-label Trial of Oncolytic MG1 Expressing MAGE-A3 (MG1-MAGEA3) With Adenovirus Vaccine Expressing MAGE-A3 (Ad-MAGEA3), in Combination With Immune Modulating Therapy in Patients With Metastatic Melanoma or Previously Treated Cutaneous Squamous Cell Carcinoma

This is a Phase 1b open-label dose escalation trial of Ad/MG1-MAGEA3 and Pembrolizumab in patients with Metastatic Melanoma or Cutaneous Squamous Cell Skin Cancer that has failed prior standard of care treatments. Upon determination of a Maximum Tolerated Dose (MTD) or Maximum Feasible Dose (MFD) the study will be expanded into up to 24 additional Metastatic Melanoma patients.

Studieoversikt

Detaljert beskrivelse

This is a Phase 1b open-label dose escalation trial of Ad/MG1-MAGEA3 and Pembrolizumab in patients with Metastatic Melanoma or Cutaneous Squamous Cell Skin Cancer that has failed prior standard of care treatments. This study will consist of two arms where the dose will be increased independently until the maximum tolerated dose (MTD) / maximum feasible dose (MFD) is reached.

Arm 1 - Low-dose cyclophosphamide, followed by an Ad-MAGEA3 intramuscular (IM) prime, followed by intravenous (IV) administration of MG1-MAGEA3 and IV pembrolizumab.

Arm 2 - Ad-MAGEA3 IM injection as a prime, followed by IV administration of MG1-MAGEA3, followed by intratumoral (IT) injection of MG1-MAGEA3 into tumors and IV pembrolizumab.

In the Phase 1b Expansion for each arm, additional patients will be enrolled at the MTD/MDF as determined in Phase 1 in order to more thoroughly explore immune response, pharmacokinetics/dynamics, and safety for Malignant Melanoma patients who have failed standard therapies.

Studietype

Intervensjonell

Fase

  • Fase 1

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 og eldre (Voksen, Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion Criteria:

  • Have histologically or cytologically confirmed diagnosis of locally advanced metastatic melanoma or cutaneous squamous cell carcinoma that has failed standard therapies
  • For patients treated intratumorally, must have a lesion suitable for direct injection of MG1-MAGEA3
  • Have at least one tumor amenable to biopsy
  • Have measurable disease via RECIST 1.1 criteria
  • Adequate organ function and performance status
  • Additional inclusion criteria present

Exclusion Criteria:

  • Prior treatment with any MAGE-A3 vaccine immunotherapy
  • Prior systemic therapy for cancer within 4 weeks (8 weeks for lung radiation), and has recovered from chemo-related toxicities to Grade 1 or less
  • Intolerant to prior PD1/PD-L1 therapy
  • Requires use of anti-platelet or anti-coagulant therapy that cannot be safely suspended for per protocol biopsies or intra-tumoral injections.
  • Known active CNS metastases and/or carcinomatous meningitis.
  • Active autoimmune disease that has required systemic therapy in the past 2 years.
  • Conditions likely to have resulted in splenic dysfunction.
  • Known HIV/AIDS, active HBV or HCV infection.
  • Additional Exclusion criteria exist

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: Parallell tildeling
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Arm 1: Intravenous Dosing
Low dose cyclophosphamide (300mg/ m2) at Day -3, then a fixed dose of Ad-MAGEA3 administered IM on study Day 1. Followed by one of 3 dose levels (escalation) of MG1-MAGEA3 administered as 2 intravenous (IV) doses at Day 15 and Day 18 and fixed dose pembrolizumab (200mg) beginning at either Week 6 or Day 1, depending on the cohort.
Adenovirus vaccine expressing Melanoma-associated antigen 3 (MAGEA3), a tumor antigen
MG1 Maraba oncolytic virus expressing Melanoma-associated antigen 3 (MAGEA3), a tumor antigen
monoclonal antibody; checkpoint inhibitor of PD1
Andre navn:
  • Keytruda
low-dose chemotherapy
Eksperimentell: Arm 2: Intravenous followed by Intratumoral Dosing
A fixed dose of Ad-MAGEA3 administered IM followed by Pembrolizumab on Day 1. MG1-MAGEA3 administered as an intravenous (IV) dose at Day 15, followed by intratumoral (IT) MG1-MAGEA3 on Day 22, Day 29, and Day 36. IT MG1-MAGEA3 booster injections may be continued every 3 weeks beginning at Day 43 (Week 6).
Adenovirus vaccine expressing Melanoma-associated antigen 3 (MAGEA3), a tumor antigen
MG1 Maraba oncolytic virus expressing Melanoma-associated antigen 3 (MAGEA3), a tumor antigen
monoclonal antibody; checkpoint inhibitor of PD1
Andre navn:
  • Keytruda

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Safety of Ad/MG1-MAGEA3 administration in Melanoma or Squamous Cell Skin Carcinoma
Tidsramme: 6 months
Safety will be determined by assessing the severity and frequency of treatment emergent Adverse Events and clinical laboratory toxicity using NCI CTCAE v 5.0
6 months
Determine the maximum tolerated dose (MTD)/ maximum feasible dose (MFD) of Ad/MG1-MAGEA3 in Melanoma or Squamous Cell Skin Carcinoma
Tidsramme: 5 weeks
MTD/MFD of Ad/MG1-MAGEA3 administered by IV infusion alone and IV infusion followed by direct injection of tumor (IT injection) in Melanoma or Squamous Cell Skin Carcinoma
5 weeks

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Evaluate Overall Response
Tidsramme: 2 years
Determine the overall response rate (Partial Response (PR) + Complete Response (CR))
2 years
Evaluate Disease Control
Tidsramme: 2 years
Determine Disease Control Rate (PR+CR+Stable Disease (SD))
2 years
Evaluate PFS
Tidsramme: 2 years
Progression free survival in months
2 years
Evaluate Duration of Response, if any
Tidsramme: 2 years
Duration of Response (CR, PR, SD) in months
2 years

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 (Faktiske)

15. februar 2020

Primær fullføring (Forventet)

30. oktober 2020

Studiet fullført (Forventet)

31. desember 2021

Datoer for studieregistrering

Først innsendt

10. desember 2018

Først innsendt som oppfylte QC-kriteriene

11. desember 2018

Først lagt ut (Faktiske)

12. desember 2018

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

6. april 2021

Siste oppdatering sendt inn som oppfylte QC-kriteriene

1. april 2021

Sist bekreftet

1. april 2021

Mer informasjon

Begreper knyttet til denne studien

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

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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