- ICH GCP
- 미국 임상 시험 레지스트리
- 임상시험 NCT00637897
Paricalcitol and Chemotherapy in Treating Women With Metastatic Breast Cancer
Feasibility of Dose Titrating Paricalcitol (Zemplar) in Women Receiving Taxanes or Ixabepilone for Metastatic Breast Cancer
RATIONALE: Drugs used in chemotherapy, such as paclitaxel albumin-stabilized nanoparticle formulation, docetaxel,, paclitaxel, and ixabepilone work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. Paricalcitol may help chemotherapy drugs to kill more tumor cells by making tumor cells more sensitive to the drugs.
PURPOSE: This clinical trial is studying the best dose and best way to give paricalcitol and to see how well it works when given together with chemotherapy in treating patients with metastatic breast cancer.
연구 개요
상세 설명
OBJECTIVES:
Primary
- To determine the ability to administer 8 continuous weeks of therapy within the first 3 months of enrollment with paricalcitol when given together with taxane or ixabepilone therapy in women with metastatic breast cancer.
- To estimate the proportion of patients who successfully complete 8 continuous weeks of therapy as well as the proportion of patients who achieve a 'steady-state' dose.
Secondary
- To determine a dose of paricalcitol that can be taken continuously that maintains a normal calcium level when combined with a taxane or ixabepilone.
- To determine if baseline levels of 25-hydroxycholecalciferol and parathyroid hormone (PTH) are associated with time to treatment failure in these patients.
- To determine if PTH levels decline from baseline in patients treated with paricalcitol in combination with taxane or ixabepilone therapy.
OUTLINE: Beginning on day 1, patients receive oral paricalcitol. The dose of paricalcitol is increased every 2 weeks until the serum calcium level is between 9 mg/dL and 11.4 mg/dL. Once this level is reached, the patient continues at that dose for the duration of the study. Patients also receive paclitaxel albumin-stabilized nanoparticle formulation, docetaxel, or paclitaxel once a week or once every 3 weeks or ixabepilone once every 3 weeks. Treatment continues for at least 12 weeks in the absence of disease progression or unacceptable toxicity.
연구 유형
등록 (실제)
단계
- 1단계
연락처 및 위치
연구 장소
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North Carolina
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Winston-Salem, North Carolina, 미국, 27157-1096
- Wake Forest University Comprehensive Cancer Center
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
설명
Inclusion Criteria
Histologically confirmed invasive breast cancer
- Metastatic or recurrent disease
- Patients with bone metastasis only are eligible and evaluable for time to progression
- Candidate for taxane or ixabepilone therapy
- At least one lesion that can be measured in at least one diameter ≥ 2 cm by CT scan
- No symptomatic brain metastases or other symptomatic CNS metastases
- ECOG performance status 0 or 1
- Life expectancy > 3 months
- ANC ≥ 1,500/mm³
- Platelet count ≥ 100,000/mm³
- Hemoglobin ≥ 9 g/dL
- Serum creatinine ≤ 2.0 mg/dL
- Total bilirubin ≤ 2.0 g/dL
- Albumin corrected serum calcium < 10.5 mg/dL
- Fertile patients must use effective contraception during and for at least 1 year after study participation
- At least 2 weeks since prior chemotherapy or radiation therapy
- Prior and concurrent taxane or ixabepilone therapy allowed
- Concurrent oral multivitamins allowed (i.e., Centrum or One a Day)
- Concurrent bisphosphonates allowed
Exclusion Criteria
- History of allergy to calcitriol, paricalcitol, or other Vitamin D compounds
- History of drug or alcohol abuse within the past 6 months
- History of other malignancy except inactive nonmelanoma skin cancer, adequately treated stage I or II cancer from which the patient is currently in complete remission, or other cancer if the patient has been disease-free for 5 or more years
- Serious medical illness that would limit survival to < 3 months
- Active, uncontrolled bacterial, viral or fungal infection
- Poorly controlled diabetes
- Concurrent supplemental calcium
- Concurrent digitalis compounds
- Concurrent chemotherapy
- Concurrent biologic therapy, including trastuzumab and bevacizumab
- Concurrent hormonal agents for breast cancer except luteinizing hormone-releasing hormone agonists
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
- 주 목적: 치료
- 할당: 해당 없음
- 중재 모델: 단일 그룹 할당
- 마스킹: 없음(오픈 라벨)
무기와 개입
참가자 그룹 / 팔 |
개입 / 치료 |
|---|---|
|
실험적: Paricalcitol (Zemplar)
|
연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
|
Clinical feasibility of therapy administration
기간: Baseline to 8 weeks
|
To test the clinical/logistical feasibility of using a titrated dose of the vitamin D analog (paracalcitol or Zemplar) in combination with a taxane or ixabepilone primarily by measuring the proportion of patients who successfully complete 8 continuous weeks of therapy as well as the proportion of patients who achieve a 'steady-state' dose
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Baseline to 8 weeks
|
2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
|
Dose of paricalcitol that maintains a normal calcium level when given in combination with a taxane or ixabepilone
기간: Baseline to 8 weeks
|
Baseline to 8 weeks
|
|
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Correlation of baseline levels of 25-hydroxycholecalciferol and parathyroid hormone with time to treatment failure
기간: Baseline to 8 weeks
|
To determine if baseline levels of 25(OH)D and parathyroid hormone are associated with time to treatment failure in patients treated with the combination of paricalcitol and a taxane or ixabepilone
|
Baseline to 8 weeks
|
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Measurement of effect of combination of paricalcitol and a taxane or ixabepilone on parathyroid hormone levels failure
기간: Baseline to 8 weeks
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To determine if parathyroid hormone levels decline from baseline with the combination of paricalcitol and a taxane or ixabepilone
|
Baseline to 8 weeks
|
공동 작업자 및 조사자
수사관
- 연구 의자: Julia A. Lawrence, Wake Forest University Health Sciences
- 수석 연구원: Susan A. Melin, MD, Wake Forest University Health Sciences
연구 기록 날짜
연구 주요 날짜
연구 시작
기본 완료 (실제)
연구 완료 (실제)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (추정)
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 연구와 관련된 용어
추가 관련 MeSH 약관
기타 연구 ID 번호
- CDR0000583652
- P30CA012197 (미국 NIH 보조금/계약)
- CCCWFU-74307 (기타 식별자: Comprehensive Cancer Center of WFUHS)
약물 및 장치 정보, 연구 문서
미국 FDA 규제 의약품 연구
미국 FDA 규제 기기 제품 연구
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