FLT PET Imaging for Cervical Cancer
2017년 10월 25일 업데이트: Sarah McGuire, University of Iowa
'F-18 Fluorothymidine ([18F]FLT) PET Imaging for Early Evaluation of Response to Chemoradiation Therapy in Patients With Cervical Cancer
Our primary hypothesis is that [18F]FLT PET can identify active bone marrow in addition to metabolically active tumor.
This trial will use FLT-PET imaging to define areas of active bone marrow in the pelvis. The radiation plan is then designed to spare that area, in hopes of keeping the bone marrow active during therapy. Bone marrow and tumor activity will be monitored using a sequence of FLT PET scans during the course of chemotherapy and radiation therapy.
연구 개요
상세 설명
Subjects will undergo a total of up to 5 FLT PET scans.
Subjects are randomized between two groups to reduce radiation exposure from the FLT PET scans. If bone marrow activity is not identified in one scan, further scans are cancelled until the 1-month follow up scan. This is not a randomization to compare therapeutic efficacy between two study arms. Data will be pooled for analysis as pre-specified in the study's statistical plan.
Group 1 has FLT PET scans pretreatment, after 5 radiation treatments, after 10 radiation treatments, after 15 radiation treatments, and then 1 month after completing radiation therapy.
Group 2 has FLT PET scans pretreatment, after 5 radiation treatments, after 10 radiation treatments, after 20 radiation treatments, and then 1 month after completing radiation therapy.
연구 유형
중재적
등록 (실제)
6
단계
- 2 단계
연락처 및 위치
이 섹션에서는 연구를 수행하는 사람들의 연락처 정보와 이 연구가 수행되는 장소에 대한 정보를 제공합니다.
연구 장소
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Iowa
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Iowa City, Iowa, 미국, 52242
- Holden Comprehensive Cancer Center
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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
여성
설명
Inclusion Criteria:
- Ability to understand and willingness to sign a written informed consent document.
- Histologically confirmed stage IB2, IIA, IIB, IIIB, and IVA squamous cell carcinoma of the cervix.
- Scheduled to receive chemo-radiation for oncologic treatment.
- Karnofsky of at least 60 at time of screening
- Life expectancy of at least 6 months.
- Leukocytes at least 3,000/microL
- absolute neutrophil count at least 1,500/microL
- platelets at least 100,000/microL
- total bilirubin at maximum 1.0 mg/dL (UIHC limit of normal)
- either ALT or AST less than 2.5 times the upper limit of normal
- creatinine less than 1.5 times the upper limit of normal
- non-pregnant, non-nursing, willing to use contraception
Exclusion Criteria:
- oncology research protocol requiring full pelvic radiation (i.e., 4-field box technique) or experimental chemotherapy
- uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with the study requirements.
- subjects taking nucleoside analog medications such as those used as antiretroviral agents.
- patients who have undergone hysterectomy or will have a hysterectomy as part of their cancer therapy.
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: 무작위
- 중재 모델: 병렬 할당
- 마스킹: 없음(오픈 라벨)
무기와 개입
참가자 그룹 / 팔 |
개입 / 치료 |
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실험적: Group 2
Receives fourth [F18]Fluorothymidine (FLT) PET scan after 20 fractions of radiation therapy.
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FLT PET scan 5 mCi (+/- 10%)
다른 이름들:
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실험적: Group 1
Receives fourth [F18]Fluorothymidine (FLT) PET scan after 15 fractions of radiation therapy.
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FLT PET scan 5 mCi (+/- 10%)
다른 이름들:
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연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
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Percent Difference From Baseline IMRT Plan (%)
기간: Baseline (pre-treatment)
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The difference in volume of bone marrow receiving radiation using a bone-marrow-sparing radiation plan compared to a standard radiation plan (IMRT), expressed as a percentage.
Both plans are patient-specific.
Bone-marrow is identified using the baseline FLT PET/CT obtained pre-imaging.
Active bone marrow is considered to have an uptake value (SUV) of 2, 3, or 4. The standard IMRT plan was created using the criteria of the National Cancer Institute's Radiation Therapy Oncology Group study RTOG-0418.
Radiation dose bins evaluated are 5 Gray, 10 Gray, 20 Gray, and 30 Gray.
The change in dose to tumor is also provided.
A negative value indicates that more bone marrow or tissue was spared using the bone-marrow sparing plan.
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Baseline (pre-treatment)
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2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
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Chemotherapy Compliance
기간: post-treatment
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The number of participants who missed at least one prescribed chemotherapy administration due to low blood counts.
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post-treatment
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Number of Participants With Standardized Toxicity Severity Grades for White Blood Cell Counts
기간: baseline, weekly during radiation treatment for up to 5 weeks, and 30 days post treatment
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White blood cell counts measurements expressed in standardized toxicity severity grades (Common Terminology Criteria for Adverse Events, v4.03) measured weekly during combined chemotherapy and radiation therapy treatment and then once at 30 day follow-up and at 1 year follow-up
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baseline, weekly during radiation treatment for up to 5 weeks, and 30 days post treatment
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Number of Participants With Standardized Toxicity Severity Grades for Decreased Platelet Counts.
기간: baseline, weekly during radiation treatment for up to 5 weeks, and 30 days post treatment
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Platelet cell counts measurements expressed in standardized toxicity severity grades (Common Terminology Criteria for Adverse Events, v4.03) measured once weekly during combined chemotherapy and radiation therapy, then once at 30 day follow-up, and once at 1 year follow-up
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baseline, weekly during radiation treatment for up to 5 weeks, and 30 days post treatment
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Number of Participants With Standardized Toxicity Severity Grades for Decreased Absolute Neutrophil Counts (ANCs)
기간: baseline, weekly during radiation treatment for up to 5 weeks, and 30 days post treatment
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Absolute neutrophil counts (ANCs) measurements expressed in standardized toxicity severity grades (Common Terminology Criteria for Adverse Events, v4.03) measured once weekly during combined chemotherapy and radiation therapy, then once at 30 day follow-up, and once at 1 year follow-up.
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baseline, weekly during radiation treatment for up to 5 weeks, and 30 days post treatment
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Number of Participants With Standardized Toxicity Severity Grades for Decreased Lymphocyte Counts.
기간: baseline, weekly during radiation treatment for up to 5 weeks, and 30 days post treatment
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Lymphocyte counts measurements expressed in standardized toxicity severity grades (Common Terminology Criteria for Adverse Events, v4.03) measured once weekly during combined chemotherapy and radiation therapy, then once at 30 day follow-up, and once at 1 year follow-up
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baseline, weekly during radiation treatment for up to 5 weeks, and 30 days post treatment
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공동 작업자 및 조사자
여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.
수사관
- 연구 책임자: Michael M Graham, Ph.D., M.D., University of Iowa
- 수석 연구원: Sarah McGuire, Ph.D., University of Iowa
간행물 및 유용한 링크
연구에 대한 정보 입력을 담당하는 사람이 자발적으로 이러한 간행물을 제공합니다. 이것은 연구와 관련된 모든 것에 관한 것일 수 있습니다.
일반 간행물
- McGuire SM, Menda Y, Ponto LL, Gross B, Juweid M, Bayouth JE. A methodology for incorporating functional bone marrow sparing in IMRT planning for pelvic radiation therapy. Radiother Oncol. 2011 Apr;99(1):49-54. doi: 10.1016/j.radonc.2011.01.025. Epub 2011 Mar 22.
- McGuire SM, Menda Y, Boles Ponto LL, Gross B, Buatti J, Bayouth JE. 3'-deoxy-3'-[(1)(8)F]fluorothymidine PET quantification of bone marrow response to radiation dose. Int J Radiat Oncol Biol Phys. 2011 Nov 1;81(3):888-93. doi: 10.1016/j.ijrobp.2010.12.009. Epub 2011 Feb 6. Erratum In: Int J Radiat Oncol Biol Phys. 2012 Sep 1;84(1):7.
- Menda Y, Ponto LL, Dornfeld KJ, Tewson TJ, Watkins GL, Gupta AK, Anderson C, McGuire S, Schultz MK, Sunderland JJ, Graham MM, Buatti JM. Investigation of the pharmacokinetics of 3'-deoxy-3'-[18F]fluorothymidine uptake in the bone marrow before and early after initiation of chemoradiation therapy in head and neck cancer. Nucl Med Biol. 2010 May;37(4):433-8. doi: 10.1016/j.nucmedbio.2010.02.005.
- McGuire SM, Bhatia SK, Sun W, Jacobson GM, Menda Y, Ponto LL, Smith BJ, Gross BA, Bayouth JE, Sunderland JJ, Graham MM, Buatti JM. Using [(18)F]Fluorothymidine Imaged With Positron Emission Tomography to Quantify and Reduce Hematologic Toxicity Due to Chemoradiation Therapy for Pelvic Cancer Patients. Int J Radiat Oncol Biol Phys. 2016 Sep 1;96(1):228-39. doi: 10.1016/j.ijrobp.2016.04.009. Epub 2016 Apr 19.
- McGuire SM, Menda Y, Ponto LLB, Gross B, TenNapel M, Smith BJ, Bayouth JE. Spatial mapping of functional pelvic bone marrow using FLT PET. J Appl Clin Med Phys. 2014 Jul 8;15(4):129-136. doi: 10.1120/jacmp.v15i4.4780.
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)
2009년 9월 1일
기본 완료 (실제)
2016년 3월 3일
연구 완료 (실제)
2016년 4월 11일
연구 등록 날짜
최초 제출
2010년 2월 23일
QC 기준을 충족하는 최초 제출
2010년 2월 23일
처음 게시됨 (추정)
2010년 2월 25일
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
2017년 12월 2일
QC 기준을 충족하는 마지막 업데이트 제출
2017년 10월 25일
마지막으로 확인됨
2017년 10월 1일
추가 정보
이 연구와 관련된 용어
기타 연구 ID 번호
- 200906786
개별 참가자 데이터(IPD) 계획
개별 참가자 데이터(IPD)를 공유할 계획입니까?
예
IPD 계획 설명
Yes, data will be shared utilizing clinicaltrials.gov
results
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. .
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