이 페이지는 자동 번역되었으며 번역의 정확성을 보장하지 않습니다. 참조하십시오 영문판 원본 텍스트의 경우.

Spevatamig (PT886) as Monotherapy or in Combination With Chemo and/or Targeted Therapy and/or ICI, for the Treatment of Patients With Advanced Gastrointestinal Cancers, Including Gastric, Gastroesophageal Junction, Pancreatic Ductal or Biliary Tract Carcinomas (the TWINPEAK Study)

2026년 9월 23일 업데이트: Phanes Therapeutics

A Phase 1/2, Open-Label, Dose Escalation and Expansion Study With PT886 Followed by a Multi-cohorT Study in Patients With Advanced Gastrointestinal Cancers, Including GastrIc, Gastroesophageal JuNction, Pancreatic Ductal or Biliary Tract AdEnocarcinomas of PT886, in Combination With ChemotherApy, Targeted Therapy, and/or an Immune ChecKpoint Inhibitor. The TWINPEAK Study

This is a first-in-human, Phase 1/2, open-label, dose escalation and dose expansion and combination study designed to evaluate the safety, tolerability, pharmacokinetics, pharmacodynamics, and preliminary efficacy of Spevatamig (PT886). Patients with the following tumor types will be eligible for screening: unresectable or metastatic gastric adenocarcinoma, gastroesophageal junction (GEJ) adenocarcinoma, biliary tract carcinoma (BTC), pancreatic ductal adenocarcinoma (PDAC) and colorectal carcinoma (CRC).

연구 개요

상태

모병

정황

개입 / 치료

연구 유형

중재적

등록 (추정된)

350

단계

  • 2 단계
  • 1단계

연락처 및 위치

이 섹션에서는 연구를 수행하는 사람들의 연락처 정보와 이 연구가 수행되는 장소에 대한 정보를 제공합니다.

연구 연락처

연구 장소

  • 미국
    • California
      • Duarte, California, 미국, 91010
        • 모병
        • City of Hope (City of Hope National Medical Center, City of Hope Medical Center)
      • Los Angeles, California, 미국, 90033
        • 모병
        • USC Norris Comprehensive Cancer Center
    • Colorado
      • Denver, Colorado, 미국, 80218
        • 모병
        • Sarah Cannon Research Institute (SCRI)
    • Iowa
      • Iowa City, Iowa, 미국, 52242
        • 모병
        • University of Iowa
    • Kentucky
      • Louisville, Kentucky, 미국, 40202
        • 모병
        • Norton Cancer Institute
    • Massachusetts
      • Boston, Massachusetts, 미국, 02215
        • 모집하지 않고 적극적으로
        • Dana-Farber Cancer Institute (DFCI)
    • North Carolina
      • Durham, North Carolina, 미국, 27710
        • 모병
        • Duke Cancer Center
    • Pennsylvania
      • Pittsburgh, Pennsylvania, 미국, 15232
        • 모병
        • University of Pittsburgh Medical Center (UPMC)
    • Texas
      • Houston, Texas, 미국, 77030
        • 모병
        • MD Anderson Cancer Center, GI Medical Oncology Dept
    • Virginia
      • Fairfax, Virginia, 미국, 22031
        • 모병
        • NEXT Oncology
    • Wisconsin
      • Madison, Wisconsin, 미국, 53792
        • 모병
        • University of Wisconsin Carbone Cancer Center - University Hospital

참여기준

연구원은 적격성 기준이라는 특정 설명에 맞는 사람을 찾습니다. 이러한 기준의 몇 가지 예는 개인의 일반적인 건강 상태 또는 이전 치료입니다.

자격 기준

공부할 수 있는 나이

18년 이상 (성인, 고령자)

건강한 자원 봉사자를 받아들입니다

아니

연구 대상 성별

모두

설명

Key Inclusion Criteria

  1. 18 years or older and able to sign informed consent and comply with the protocol.

  2. Measurable disease as defined by RECIST V1.1 criteria for solid tumors.

  3. 3. Part A: Histologically or cytologically confirmed unresectable advanced or metastatic solid gastric, gastroesophageal junction (GEJ), biliary tract or pancreatic carcinomas previously treated for advanced (metastatic or unresectable) disease or for which treatment is not available or not tolerated.

    Part B: Patients with PDAC and GC/GEJC must meet the same criteria as those in Part A depending on which indication and line of treatment are chosen for expansion. Patients considered 2L with BTC, without actionable genomic mutations. Patients considered 3L with CRC.

    Part C, substudy C1: patients with 2L m/a GC/GEJ-C will receive Spevatamig (PT886) in combination with Paclitaxel. Patients who are HER2 positive are eligible.

    Part C, substudy C2: patients with 1L m/a PDAC will receive Spevatamig (PT886) in combination with Gemcitabine plus nab-Paclitaxel (Abraxane).

    Part C, substudy C3: patients with 1L m/a PDAC will receive Spevatamig (PT886) in combination with Gemcitabine plus FOLFIRINOX/mFFX or NALIRIFOX.

    Part C, substudy C4: Patients with m/a BTC without actionable genomic mutations who have progressed on 1L SOC chemotherapy (GemCis) ± ICI and are eligible for 2L SOC FOLFOX treatment.

    Part C, substudy C5 and C7: Patients with CRC who are considered 3L, TAS-102 treatment naïve, eligible to receive 3L SOC TAS-102 treatment, and able to swallow oral tablets.

    Part C, substudy C6 and C7: Patients with CRC who are considered 3L, and eligible to receive bevacizumab treatment, with no contraindication to bevacizumab

    Part D, substudy D2: patients with m/a BTC with adenocarcinoma histology only, who are treatment naïve for their m/a disease and are eligible for treatment with SOC chemotherapy and ICI.

    Part D, substudy D3: patients with 2L or 3L m/a GC/GEJ-C will receive Spevatamig (PT886) in combination with KEYTRUDA® (pembrolizumab).

    Part D, substudy D4: patients with 1L HER2 negative m/a GC/GEJ-C will receive Spevatamig (PT886) in combination with SOC chemotherapy and KEYTRUDA® (pembrolizumab).

  4. Able to provide a formalin fixed, paraffin embedded (FFPE) tumor tissue sample (preferably fresh biopsy or if not possible, archival tissue) to be assessed for CLDN18.2 expression and other biomarkers.

  5. ECOG performance status of 0 or 1.

  6. Adequate organ function confirmed at screening and within 72 hours of initiating treatment.

Key Exclusion Criteria

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

  1. Women who are pregnant or lactating.
  2. Women of child-bearing potential (WOCBP) who do not use adequate birth control.
  3. Has an active autoimmune disease that has required systemic treatment in the past 2 years.
  4. Prior CLDN18.2 or CD47 targeting therapies, or SIRPα (signal regulatory protein alpha) targeting agents.

Additional inclusion and exclusion criteria will apply.

공부 계획

이 섹션에서는 연구 설계 방법과 연구가 측정하는 내용을 포함하여 연구 계획에 대한 세부 정보를 제공합니다.

연구는 어떻게 설계됩니까?

디자인 세부사항

  • 주 목적: 치료
  • 할당: 무작위화되지 않음
  • 중재 모델: 순차적 할당
  • 마스킹: 없음(오픈 라벨)

무기와 개입

참가자 그룹 / 팔
개입 / 치료
실험적: Dose Escalation

An accelerated titration design will be employed for early dose levels, followed by the standard 3+3 design at higher dose levels.
의약품: Spevatamig (PT886)

Spevatamig (PT886) monotherapy, a novel bispecific antibody that targets Claudin 18.2 and CD47.
실험적: Dose Expansion

One or more indications (GC/GEJC, BTC, CRC or PDAC) and/or lines of treatment may be selected for dose expansion at two dose levels (RDE1 and RDE2).
의약품: Spevatamig (PT886)

Spevatamig (PT886) monotherapy, a novel bispecific antibody that targets Claudin 18.2 and CD47.
실험적: Combination Expansion with Chemotherapy or Targeted Therapy

Part C, substudy C1: patients with 2L m/a GC/GEJ-C will receive Spevatamig (PT886) in combination with Paclitaxel.

Part C, substudy C2: patients with 1L m/a PDAC will receive Spevatamig (PT886) in combination with Gemcitabine plus nab-Paclitaxel (Abraxane).

Part C, substudy C3: patients with 1L m/a PDAC will receive Spevatamig (PT886) in combination with Gemcitabine plus FOLFIRINOX/mFFX or NALIRIFOX.

Part C, substudy C4: patients with 2L BTC will receive PT886 in combination with SOC chemotherapy mFOLFOX6.

Part C, substudy C5: patients with 3L CRC patients will receive PT886 in combination with SOC chemotherapy TAS-102.

Part C, substudy C6: patients with 3L CRC patients will receive PT886 in combination with bevacizumab.

Part C, substudy C7: patients with 3L CRC patients will receive PT886 in combination with SOC chemotherapy TAS-102 and bevacizumab.
의약품: Spevatamig (PT886)

Spevatamig (PT886) monotherapy, a novel bispecific antibody that targets Claudin 18.2 and CD47.

의약품: Paclitaxel

Chemotherapy as a combination partner to Spevatamig (PT886) in Part C: substudy C1

의약품: Gemcitabine

Chemotherapy as a combination partner to Abraxane and Spevatamig (PT886) in Part C: substudy C2

의약품: Abraxane

Chemotherapy as a combination partner to Gemcitabine and Spevatamig (PT886) in Part C: substudy C2

의약품: FOLFOX

Chemotherapy as a combination partner to Spevatamig (PT886) and KEYTRUDA® (pembrolizumab, Part D only)

의약품: FOLFIRINOX

Chemotherapy as a combination partner to Spevatamig (PT886) in Part C: substudy C3

의약품: TAS 102

Chemotherapy as a combination partner to Spevatamig (PT886) in Part C: substudies C5 and C7.

의약품: Bevacizumab

Targeted therapy as a combination partner to Spevatamig (PT886) in Part C: substudies C6 and C7.

의약품: NALIRIFOX

Chemotherapy as a combination partner to Spevatamig (PT886) in Part C: substudy C3.
실험적: Combination Expansion with KEYTRUDA® (pembrolizumab)

Part D, substudy D2: patients with 1L BTC will receive Spevatamig (PT886) in combination with KEYTRUDA® (pembrolizumab) and standard of care chemotherapy GemCis.

Part D, substudy D3: patients with 2L or 3L m/a GC/GEJ-C will receive Spevatamig (PT886) in combination with KEYTRUDA® (pembrolizumab).

Part D, substudy D4: patients with 1L HER2 negative m/a GC/GEJ-C will receive Spevatamig (PT886) in combination with SOC chemotherapy and KEYTRUDA® (pembrolizumab).
의약품: Spevatamig (PT886)

Spevatamig (PT886) monotherapy, a novel bispecific antibody that targets Claudin 18.2 and CD47.

의약품: FOLFOX

Chemotherapy as a combination partner to Spevatamig (PT886) and KEYTRUDA® (pembrolizumab, Part D only)

의약품: KEYTRUDA® (pembrolizumab)

Immune checkpoint inhibitor as a combination partner to Spevatamig (PT886) in Part D.

의약품: CAPOX

Chemotherapy as a combination partner to KEYTRUDA® (pembrolizumab) and Spevatamig (PT886)

의약품: Gemcitabine Combined With Cisplatin

Chemotherapy as a combination partner to Spevatamig (PT886) and KEYTRUDA® (pembrolizumab) in Part D: substudy D2

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
기간
To evaluate the safety and tolerability of Spevatamig (PT886) as monotherapy and in each individual combination substudy.
기간: Through study completion, an average of 2 years
Through study completion, an average of 2 years
To evaluate anti-tumor activity of PT886 as assessed by ORR, in Spevatamig (PT886) monotherapy and in each combination substudy.
기간: Through study completion.
Through study completion.
To determine the recommended dose for expansion of Spevatamig (PT886) monotherapy.
기간: Through study completion.
Through study completion.

2차 결과 측정

결과 측정
기간
Spevatamig (PT886)의 약동학을 평가합니다.
기간: 학습 완료를 통해 평균 2 년
학습 완료를 통해 평균 2 년
Spevatamig (PT886)의 면역 원성 (ADA)을 평가합니다.
기간: 학습 완료를 통해 평균 2 년
학습 완료를 통해 평균 2 년
To evaluate anti-tumor activity as assessed by additional measures other than ORR, in Spevatamig (PT886) monotherapy and in each combination substudy.
기간: Through study completion, an average of 2 years
Through study completion, an average of 2 years

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

스폰서

Phanes Therapeutics

협력자

Merck Sharp & Dohme LLC

연구 기록 날짜

이 날짜는 ClinicalTrials.gov에 대한 연구 기록 및 요약 결과 제출의 진행 상황을 추적합니다. 연구 기록 및 보고된 결과는 공개 웹사이트에 게시되기 전에 특정 품질 관리 기준을 충족하는지 확인하기 위해 국립 의학 도서관(NLM)에서 검토합니다.

연구 주요 날짜

연구 시작 (실제)

2023년 3월 15일

기본 완료 (추정된)

2027년 12월 1일

연구 완료 (추정된)

2028년 4월 1일

연구 등록 날짜

최초 제출

2022년 7월 25일

QC 기준을 충족하는 최초 제출

2022년 7월 28일

처음 게시됨 (실제)

2022년 8월 1일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2026년 9월 28일

QC 기준을 충족하는 마지막 업데이트 제출

2026년 9월 23일

마지막으로 확인됨

2026년 9월 1일

추가 정보

이 연구와 관련된 용어

추가 관련 MeSH 약관

기타 연구 ID 번호

  • PT886X1101
  • KEYNOTE-F58 (MK-3475-F58) (기타 식별자: Merck Sharp & Dohme, LLC)

약물 및 장치 정보, 연구 문서

미국 FDA 규제 의약품 연구

예

미국 FDA 규제 기기 제품 연구

아니

이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .

구독하다