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A Phase I Study of CG-7321 Monotherapy or Combination Therapy in Advanced Solid Tumors

A Phase I, Open-Label, Multi-Center Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Preliminary Efficacy of CG-7321 as Monotherapy or in Combination Therapy in Subjects With Advanced Solid Tumors

This is a Phase I, open-label, multi-center study to evaluate the safety, tolerability, pharmacokinetics (PK), and preliminary efficacy of CG-7321 capsules as monotherapy or in combination with fulvestrant in subjects with advanced solid tumors.

The study consists of:

  • Part Ia (Monotherapy): Dose escalation (accelerated titration followed by 3+3 design) from 2mg to 50mg twice daily (BID), plus dose expansion cohorts in advanced solid tumors including HR+/HER2- breast cancer, ovarian cancer, gastric cancer, and other tumor types.
  • Part Ib (Combination Therapy): Dose escalation of CG-7321 combined with fulvestrant in HR+/HER2- advanced breast cancer.

연구 개요

상태

모병

정황

개입 / 치료

상세 설명

CG-7321 is a novel oral small molecule inhibitor of cyclin-dependent kinases (CDKs), being developed for the treatment of advanced solid tumors. Preclinical studies have demonstrated potent anti-tumor activity in breast cancer, ovarian cancer, and gastric cancer models.

This Phase I study employs a dose escalation design to determine the maximum tolerated dose (MTD) and recommended Phase II dose (RP2D) of CG-7321.

Part Ia evaluates CG-7321 monotherapy with dose levels of 2mg, 6mg, 12mg, 20mg, 30mg, 40mg, and 50mg BID in a 28-day cycle. Single dosing (Cycle 0) followed by multiple dosing (Cycle 1 onwards) will be evaluated.

Part Ib evaluates CG-7321 in combination with fulvestrant in HR+/HER2- advanced breast cancer patients.

Dose expansion cohorts will further evaluate safety, PK, and preliminary efficacy at or near the RP2D in specific tumor types.

Eligible subjects include patients with histologically/cytologically confirmed advanced or metastatic solid tumors who have failed, are intolerant to, or have no effective standard therapy available, or who refuse standard treatment.

The Part Ia (monotherapy dose escalation) will be conducted first.

연구 유형

중재적

등록 (추정된)

30

단계

  • 1단계

연락처 및 위치

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

연구 연락처

연구 장소

    • Fujian
      • Fuzhou, Fujian, 중국, 350014
        • 모병
        • Fujian Cancer Hospital
        • 수석 연구원:
          • Fan Wu, MD
        • 연락하다:
    • Liaoning
      • Dalian, Liaoning, 중국, 116000
        • 모병
        • Zhongshan Hospital of Dalian University
        • 연락하다:
        • 수석 연구원:
          • Xiang Li, MD
        • 수석 연구원:
          • Ruoyu Wang, MD
    • Shanghai Municipality
      • Shanghai, Shanghai Municipality, 중국, 200032
        • 모병
        • Fudan University Shanghai Cancer Center
        • 수석 연구원:
          • Jian Zhang, MD
        • 연락하다:
    • Sichuan
      • Chengdu, Sichuan, 중국, 610041
        • 모병
        • West China Hospital, Sichuan University
        • 연락하다:
        • 수석 연구원:
          • Ting Luo, MD
        • 수석 연구원:
          • Ping Feng, MD

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

Inclusion Criteria:

  • 1. Voluntary signed informed consent and compliance with protocol requirements
  • 2. Age ≥18 years, any gender
  • 3. Life expectancy ≥12 weeks
  • 4. Eastern Cooperative Oncology Group(ECOG) performance status 0-1
  • 5. For Ia monotherapy dose escalation: patients with cytologically and/or histopathologically confirmed advanced or metastatic solid tumors who have failed, are intolerant to, or have no effective standard treatment, or who refuse standard treatment
  • 6. Voluntary provision of tumor tissue specimens (archived within 2 years or fresh tissue)
  • 7. At least one measurable lesion per Response Evaluation Criteria in Solid Tumors, version 1.1(RECIST 1.1)
  • 8. Prior anticancer treatment-related toxicities resolved to ≤1 grade (except alopecia)
  • 9. Adequate organ and bone marrow function
  • 10. Negative serum pregnancy test within 7 days before first dose
  • 11. Agreement to use effective contraception from ICF signing to ≥6 months after last dose
  • 12. No breastfeeding during study and ≥6 months after last dose
  • 13. Understanding of study and voluntary written informed consent

Exclusion Criteria:

  • 1. Anticancer therapy (chemotherapy, targeted therapy, biologics, immunotherapy, radiotherapy) within 4 weeks before first dose, or participation in other interventional clinical studies (observational studies excluded)
  • 2. Strong Cytochrome P450 3A4(CYP3A4)inhibitors within 2 weeks before first dose
  • 3. Strong Cytochrome P450 2C8(CYP2C8) inhibitors within 2 weeks before first dose
  • 4. Other active malignancies within 3 years before first dose (except curable tumors treated radically)
  • 5. Primary Central Nervous System(CNS) tumors or CNS metastases that failed local treatment (stable asymptomatic CNS metastases allowed)
  • 6. Conditions affecting drug absorption or Pharmacokinetics(PK) parameters (e.g., uncontrolled nausea/vomiting, chronic diarrhea, malabsorption syndrome)
  • 7. Uncontrolled or significant cardiovascular disease,
  • 8. Active infection requiring systemic therapy within 2 weeks;
  • 9. Major surgery within 4 weeks before first dose (except minor procedures)
  • 10. Known allergy to study drug or excipients
  • 11. Mental or cognitive impairment affecting study compliance
  • 12. Known alcohol or drug dependence
  • 13. Pregnant or lactating women
  • 14. Investigator deems subject unsuitable for study participation

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: CG-7321 2mg BID

CG-7321 capsule 2mg, orally twice daily, 28-day cycle. Cycle 0: Single dose on Day 1. Cycle 1 onwards: Continuous dosing.

Novel oral cyclin-dependent kinase (CDK) inhibitor. Dose levels: 2mg, 6mg, 12mg, 20mg, 30mg, 40mg, 50mg BID. 28-day cycle.

실험적: CG-7321 6mg BID

CG-7321 capsule 6mg, orally twice daily, 28-day cycle. Cycle 0: Single dose on Day 1. Cycle 1 onwards: Continuous dosing.

Novel oral cyclin-dependent kinase (CDK) inhibitor. Dose levels: 2mg, 6mg, 12mg, 20mg, 30mg, 40mg, 50mg BID. 28-day cycle.

실험적: CG-7321 12mg BID

CG-7321 capsule 12mg, orally twice daily, 28-day cycle. Cycle 0: Single dose on Day 1. Cycle 1 onwards: Continuous dosing.

Novel oral cyclin-dependent kinase (CDK) inhibitor. Dose levels: 2mg, 6mg, 12mg, 20mg, 30mg, 40mg, 50mg BID. 28-day cycle.

실험적: CG-7321 20mg BID

CG-7321 capsule 20mg, orally twice daily, 28-day cycle. Cycle 0: Single dose on Day 1. Cycle 1 onwards: Continuous dosing.

Novel oral cyclin-dependent kinase (CDK) inhibitor. Dose levels: 2mg, 6mg, 12mg, 20mg, 30mg, 40mg, 50mg BID. 28-day cycle.

실험적: CG-7321 30mg BID

CG-7321 capsule 30mg, orally twice daily, 28-day cycle. Cycle 0: Single dose on Day 1. Cycle 1 onwards: Continuous dosing.

Novel oral cyclin-dependent kinase (CDK) inhibitor. Dose levels: 2mg, 6mg, 12mg, 20mg, 30mg, 40mg, 50mg BID. 28-day cycle.

실험적: CG-7321 40mg BID

CG-7321 capsule 40mg, orally twice daily, 28-day cycle. Cycle 0: Single dose on Day 1. Cycle 1 onwards: Continuous dosing.

Novel oral cyclin-dependent kinase (CDK) inhibitor. Dose levels: 2mg, 6mg, 12mg, 20mg, 30mg, 40mg, 50mg BID. 28-day cycle.

실험적: CG-7321 50mg BID

CG-7321 capsule 50mg, orally twice daily, 28-day cycle. Cycle 0: Single dose on Day 1. Cycle 1 onwards: Continuous dosing.

Novel oral cyclin-dependent kinase (CDK) inhibitor. Dose levels: 2mg, 6mg, 12mg, 20mg, 30mg, 40mg, 50mg BID. 28-day cycle.

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Dose-Limiting Toxicities (DLTs)
기간: DLT observation period [approximately 28 days]

Number of participants experiencing DLTs during DLT evaluation period.

DLT observation period [approximately 28 days]
Maximum Tolerated Dose (MTD)
기간: End of dose escalation phase [approximately 6-12 months]

The highest dose level at which ≤2/6 evaluable subjects experience DLT.

End of dose escalation phase [approximately 6-12 months]
Recommended Phase 2 Dose (RP2D)
기간: End of dose escalation phase [approximately 6-12 months]

The dose level recommended for Phase 2 studies.

End of dose escalation phase [approximately 6-12 months]
Adverse Events (AEs) and SAEs
기간: From first dose to 30 days after last dose [up to approximately 2 years]

Incidence and severity of AEs and SAEs, graded per NCI-CTCAE Version 5.0.

From first dose to 30 days after last dose [up to approximately 2 years]

2차 결과 측정

결과 측정
측정값 설명
기간
Objective Response Rate (ORR)
기간: Every 8 weeks [up to approximately 2 years]

Percentage achieving CR or PR per RECIST v1.1.

Every 8 weeks [up to approximately 2 years]
Disease Control Rate (DCR)
기간: Every 8 weeks [up to approximately 2 years]

Percentage achieving CR, PR, or SD per RECIST v1.1.

Every 8 weeks [up to approximately 2 years]
Duration of Response (DoR)
기간: From first documented response until disease progression or death [up to approximately 2 years]

Time from first documented response to disease progression or death.

From first documented response until disease progression or death [up to approximately 2 years]
Progression-Free Survival (PFS)
기간: From first dose until disease progression or death [up to approximately 2 years]

Time from first dose to disease progression per RECIST v1.1 or death.

From first dose until disease progression or death [up to approximately 2 years]
Overall Survival (OS)
기간: From first dose until death [up to approximately 5 years]

Time from first dose to death from any cause.

From first dose until death [up to approximately 5 years]
Observed plasma maximum concentration (Cmax) of CG-7321 and its metabolite
기간: Cycle 0 Day 1, Cycle 1 Day 1 up to Cycle 6 Day 1 (each cycle is 28 days)
Cycle 0 Day 1, Cycle 1 Day 1 up to Cycle 6 Day 1 (each cycle is 28 days)
Area under the concentration-time curve (AUC) of CG-7321 and its metabolite
기간: Cycle 0 Day 1, Cycle 1 Day 1 up to Cycle 6 Day 1 (each cycle is 28 days)
Cycle 0 Day 1, Cycle 1 Day 1 up to Cycle 6 Day 1 (each cycle is 28 days)
Half-life (T1/2) of CG-7321 and its metabolite
기간: Cycle 0 Day 1, Cycle 1 Day 1 up to Cycle 6 Day 1 (each cycle is 28 days)
Cycle 0 Day 1, Cycle 1 Day 1 up to Cycle 6 Day 1 (each cycle is 28 days)
Time to maximum concentration(Tmax) of CG-7321 and its metabolite
기간: Cycle 0 Day 1, Cycle 1 Day 1 up to Cycle 6 Day 1 (each cycle is 28 days)
Cycle 0 Day 1, Cycle 1 Day 1 up to Cycle 6 Day 1 (each cycle is 28 days)

기타 결과 측정

결과 측정
측정값 설명
기간
Biomarkers
기간: Baseline and during treatment as tissue samples become available [up to approximately 2 years]

Exploratory biomarker analysis including but not limited to CCNE expression levels.

Baseline and during treatment as tissue samples become available [up to approximately 2 years]
Tumor-to-blood drug concentration ratio
기간: At time of tumor biopsy during treatment [up to approximately 2 years]

Ratio of CG-7321 and CG1-Mp2 concentrations in tumor tissue versus peripheral blood.

At time of tumor biopsy during treatment [up to approximately 2 years]

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

스폰서

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)

2024년 7월 2일

기본 완료 (추정된)

2026년 12월 1일

연구 완료 (추정된)

2027년 8월 1일

연구 등록 날짜

최초 제출

2026년 10월 27일

QC 기준을 충족하는 최초 제출

2026년 11월 2일

처음 게시됨 (실제)

2026년 11월 6일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2026년 11월 6일

QC 기준을 충족하는 마지막 업데이트 제출

2026년 11월 2일

마지막으로 확인됨

2025년 11월 1일

추가 정보

이 연구와 관련된 용어

기타 연구 ID 번호

  • CG-7321-001
  • CTR20240687/CTR20254836 (레지스트리 식별자: ChinaDrugTrials)

개별 참가자 데이터(IPD) 계획

개별 참가자 데이터(IPD)를 공유할 계획입니까?

미정

약물 및 장치 정보, 연구 문서

미국 FDA 규제 의약품 연구

아니

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. .