Elimination of PTV Margins Based on Online Adaptive Stereotactic Radiotherapy for Centrally Located Early-stage Non-small Cell Lung Cancer

Официальное название

Elimination of PTV Margins Based on Online Adaptive Stereotactic Radiotherapy for Centrally Located Early-stage Non-small Cell Lung Cancer: a Prospective, Single-arm, Phase II Study

Обзор

This study aims to explore the safety and efficacy of eliminating the PTV (planning target volume) margins based on online adaptive stereotactic radiotherapy for patients with centrally located early-stage non-small cell lung cancer (NSCLC).

Вмешательства

• Лучевая терапия Online adaptive SBRT
  Online adaptive SBRT (without PTV expansion margin). The total dose will be 39-42Gy/3 fractions, administered once daily. FBCT and 4DCT will be acquired.

Первичные конечные точки

• Incidence of grade 3 or higher SBRT-related toxicity [Срок оценки: 1-year]

Вторичные конечные точки (3)

• Objective response rate [Срок оценки: 2 months after radiotherapy]]
• Local control rate [Срок оценки: 2-year]
• Progression-free survival [Срок оценки: 2-year]

Критерии участия

Критерии включения

• Histologically confirmed untreated early-stage non-small cell lung cancer (T1-2N0M0), or recurrent disease (rT1-2N0M0) that is inoperable or where the patient is unwilling to undergo surgery.
• Centrally located lung cancer.
• Age 18 years or older, regardless of gender.
• ECOG performance status score of 0-2.
• Serum hemoglobin ≥ 80 g/L, platelets ≥ 100,000/μL, absolute neutrophil count ≥ 1,500/μL.
• Serum creatinine ≤ 1.25 times the upper normal limit (UNL) or creatinine clearance ≥ 60 ml/min.
• Serum bilirubin ≤ 1.5 times UNL, AST (SGOT) and ALT (SGPT) ≤ 2.5 times UNL, alkaline phosphatase ≤ 5 times UNL.
• FEV1 ≥ 0.5 L.
• Normal CB6 range.
• The patient and their family agree and sign the informed consent form.

Критерии исключения

• Any other disease or condition that contraindicates radiotherapy (e.g., active infections, within 6 months post-myocardial infarction, symptomatic heart disease including unstable angina, congestive heart failure, or uncontrolled arrhythmias).
• Pregnant or breastfeeding women, women who have not undergone pregnancy testing, and pregnant individuals.
• Individuals with substance abuse issues, chronic alcoholism, or AIDS.
• Individuals with uncontrollable seizures or loss of self-control due to psychiatric disorders.
• Individuals with a history of severe allergies or specific sensitivities.

Критерии приведены из реестра в оригинале (на английском). Окончательную оценку соответствия проводит исследовательский центр.

Здоровые добровольцы: Нет

Дизайн исследования

Распределение

Не применимо

Модель

Одна группа

Маскирование

Открытое

Основная цель

Лечение

Центры проведения

Китай · 1 центр

• Sun Yat-sen University Cancer Center — Гуанчжоу

Публикации

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• Meng Y, Luo W, Xu H, Wang W, Zhou S, Tang X, Li Z, Zhou C, Yang H. Adaptive intensity-modulated radiotherapy with simultaneous integrated boost for stage III non-small cell lung cancer: Is a routine adaptation beneficial? Radiother Oncol. 2021 May;158:118-124. doi: 10.1016/j.radonc.2021.02.019. Epub 2021 Feb 23. PMID 33636232
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• Adebahr S, Collette S, Shash E, Lambrecht M, Le Pechoux C, Faivre-Finn C, De Ruysscher D, Peulen H, Belderbos J, Dziadziuszko R, Fink C, Guckenberger M, Hurkmans C, Nestle U. LungTech, an EORTC Phase II trial of stereotactic body radiotherapy for centrally located lung tumours: a clinical perspective. Br J Radiol. 2015 Jul;88(1051):20150036. doi: 10.1259/bjr.20150036. Epub 2015 Apr 15. PMID 25873481
• Sun B, Brooks ED, Komaki RU, Liao Z, Jeter MD, McAleer MF, Allen PK, Balter PA, Welsh JD, O'Reilly MS, Gomez D, Hahn SM, Roth JA, Mehran RJ, Heymach JV, Chang JY. 7-year follow-up after stereotactic ablative radiotherapy for patients with stage I non-small cell lung cancer: Results of a phase 2 clinical trial. Cancer. 2017 Aug 15;123(16):3031-3039. doi: 10.1002/cncr.30693. Epub 2017 Mar 27. PMID 28346656
• Prezzano KM, Ma SJ, Hermann GM, Rivers CI, Gomez-Suescun JA, Singh AK. Stereotactic body radiation therapy for non-small cell lung cancer: A review. World J Clin Oncol. 2019 Jan 10;10(1):14-27. doi: 10.5306/wjco.v10.i1.14. PMID 30627522

Идентификаторы

NCT: NCT06730295 · GASTO-10122

Первоисточники (государственные реестры)

• ClinicalTrials.gov (NIH, США)

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