Comparing Immobilisation Shells in Cranial Radiotherapy (CORIOLIS)
A Randomised Controlled Trial Comparing the Accuracy and Acceptability of Closed-face and Open-face Thermoplastic Immobilisation Shells in Cranial Radiotherapy
Patients having radiotherapy to their head and neck wear an immobilisation shell to prevent patient movement and improve treatment accuracy. These shells tend to cover the face and have the potential to cause anxiety and distress in patients, particularly if they suffer with claustrophobia or a similar fear. The study will use an 'open-face' shell that does not cover the face and compare this with the investigators' current 'closed-face' shell. The investigators will obtain treatment verification x-ray images to assess the daily set-up errors and compare these between the two shell type, and ask both patients and radiographers of their experiences from using the shells.
Hypothesis: Open-face immobilisation shells offer equivalent accuracy and efficiency of radiotherapy delivery and are better accepted by patients and radiographers as compared to closed-face immobilisation shells for cranial radiotherapy.
연구 개요
상태
상세 설명
Patients will be randomised into one of two groups, with group A acting as the control group using the investigators' standard 3--point closed--face shell, and group B using the 3--point open--face shell (experimental group). Each procedure is discussed with the patient before commencement. Patients will be positioned into the optimal treatment position and the shell will be fabricated as per manufacturer instructions by pre-treatment radiographers. This is followed by the patient having a planning CT scan of their head while wearing their shell to allows radiographers and doctors to localise and plan the treatment. At the end of this appointment, the patient will be asked to complete the first of three questionnaires regarding their experience of wearing the shell. Radiographers will be asked to complete a questionnaire of their experience of using the shell, and complete timing data for the procedures.
On the first day of treatment, radiographers will discuss the treatment process and side effects of treatment with the patient, and treatment will be delivered under current department protocols using linear accelerators (linacs). During the course of the treatment, radiographers will obtain 5 sets of verification images for the study, and these will be assessed for set-up errors as per current department policy. Where possible, treatment fields will be used to verify patient position to keep radiation doses from verification imaging as low as reasonably practicable (ALARP). Patients will be asked to complete two more questionnaires on their experience, one on their first day and one on their last day of treatment. Radiographers will also complete questionnaires on these days. Timing data will be obtained for all treatment fractions.
The patient's perspective of the planning and treatment processes will be almost identical to that of patients having cranial radiotherapy that are not in the trial. The only differences that will be observed will be the use of an open-face shell (for patients in group B), completion of three questionnaires, and additional verification imaging.
연구 유형
등록 (실제)
단계
- 해당 없음
연락처 및 위치
연구 장소
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London, 영국, SW3 6JJ
- Royal Marsden Hospital NHS Foundation Trust
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
설명
Inclusion Criteria:
- patients prescribed cranial radiotherapy using virtually simulated parallel opposed fields with:
- 5 or more fractions of virtually simulated cranial radiotherapy
- treatment for Primary Central Nervous System Lymphoma (PCNSL), prophylactic cranial irradiation (PCI), or primary or secondary cerebral or bony lesions
Exclusion Criteria:
- patients unable to give informed consent
- patients requiring conformal or inverse-planned radiotherapy
- patients requiring stereotactic radiotherapy
- patients who have previously had cranial or head and neck radiotherapy
공부 계획
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 |
|---|---|
|
활성 비교기: Group A: Closed-face shells
Cranial radiotherapy using the control closed-face immobilisation shell.
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As for arm description
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실험적: Group B: open-face shell
Cranial radiotherapy using the experimental open-face immobilisation shell
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As for arm description
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연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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Assessment of treatment verification imaging to determine inter-fraction reproducability of immobilisation shells
기간: within 2 weeks of completion of treatment
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Assessment of verification imaging to determine individual systematic and random errors.
Individual errors are collated to determine group systematic and random errors for comparison.
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within 2 weeks of completion of treatment
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2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
|
Timing data
기간: within 2 weeks of patient completion of treatment
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Completion of data on time taken for setup, imaging, and total appointment time
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within 2 weeks of patient completion of treatment
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Assessment of imaging to determine intra-fraction motion
기간: within 2 weeks of patient completion of treatment
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Comparison of verification imaging with in-treatment imaging records to determine magnitude of intra-fraction motion.
These will be assessed per patient and compared between both groups.
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within 2 weeks of patient completion of treatment
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Patient acceptance and tolerability of immobilisation shells (pre-treatment)
기간: within 2 weeks of patient completion of treatment
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Patient completion of questionnaire to determine acceptance and tolerability of immobilisation shell during fabrication (moulding) and planning CT scan.
All three patient questionnaires will be analysed separately and together to determine any differences between both groups.
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within 2 weeks of patient completion of treatment
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Patient acceptance and tolerability of immobilisation shells (1st fraction)
기간: within 2 weeks of patient completion of treatment
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Patient completion of questionnaire to determine acceptance and tolerability of immobilisation shell during first radiotherapy treatment session.
All three patient questionnaires will be analysed separately and together to determine any differences between both groups.
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within 2 weeks of patient completion of treatment
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Patient acceptance and tolerability of immobilisation shells (last fraction)
기간: within 2 weeks of patient completion of treatment
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Patient completion of questionnaire to determine acceptance and tolerability of immobilisation shell during last radiotherapy treatment session.
All three patient questionnaires will be analysed separately and together to determine any differences between both groups.
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within 2 weeks of patient completion of treatment
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Radiographer satisfaction of using immobilisation shells (pre-treatment)
기간: within 2 weeks of patient completion of treatment
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Radiographer completion of questionnaire to determine satisfaction with fabrication and use of immobilisation shell during pre-treatment stages.
Pre-treatment and treatment questionnaires will be analysed individually and together to determine any differences between both groups.
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within 2 weeks of patient completion of treatment
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Radiographer satisfaction of using immobilisation shells (treatment)
기간: within 2 weeks of patient completion of treatment
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Radiographer completion of questionnaire to determine satisfaction with use of immobilisation shell during treatment.
The same questionnaire is used at the first and last fraction of treatment.
Pre-treatment and treatment questionnaires will be analysed individually and together to determine any differences between both groups.
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within 2 weeks of patient completion of treatment
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공동 작업자 및 조사자
수사관
- 수석 연구원: Liam Welsh, PhD, FRCR, Royal Marsden NHS Foundation Trust
연구 기록 날짜
연구 주요 날짜
연구 시작 (실제)
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
기타 연구 ID 번호
- CCR4362
개별 참가자 데이터(IPD) 계획
개별 참가자 데이터(IPD)를 공유할 계획입니까?
IPD 계획 설명
IPD 공유 기간
IPD 공유 액세스 기준
IPD 공유 지원 정보 유형
- 연구_프로토콜
- ICF
약물 및 장치 정보, 연구 문서
미국 FDA 규제 의약품 연구
미국 FDA 규제 기기 제품 연구
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