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About
This trial studies how well the addition of targeted radiation therapy to surgery and the usual chemotherapy treatment works for the treatment of stage I-IIIA malignant pleural mesothelioma. Targeted radiation therapy such as intensity-modulated radiation therapy or pencil beam scanning uses high energy rays to kill tumor cells and shrink tumors. Drugs used in chemotherapy, such as pemetrexed, cisplatin, and carboplatin, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Giving targeted radiation therapy in addition to surgery and chemotherapy may work better than surgery and chemotherapy alone for the treatment of malignant pleural mesothelioma.
Full description
PRIMARY OBJECTIVE:
I. To detect an improvement in overall survival with the addition of adjuvant hemithoracic intensity-modulated pleural radiation therapy (IMPRINT) to surgery and chemotherapy compared to surgery and chemotherapy alone.
SECONDARY OBJECTIVES:
I. To determine local failure-free survival, distant-metastases-free survival, and progression-free survival with the addition of adjuvant hemithoracic IMPRINT to surgery and chemotherapy compared to surgery and chemotherapy alone.
II. To evaluate the treatment-related toxicities in both arms per Common Terminology Criteria for Adverse Events (CTCAE) version (v)5.0.
III. To detect a clinically meaningful 10-point change in global health status mean scores at 9 months after randomization with the addition of adjuvant IMPRINT as compared to surgery and chemotherapy alone.
EXPLORATORY OBJECTIVES:
I. To evaluate the degree of under-staging, concordant and upstaging between centrally reviewed clinical staging (based on positron emission tomography (PET), computed tomography (CT) and/or magnetic resonance imaging (MRI)) and pathologic staging.
II. To identify immunologic and pathologic biomarkers as predictors of response and potential targets for future combination trials.
III. To determine the magnitude of radiation dose escalation to gross residual disease based on combined modality imaging and associated local control rates with dose-painting intensity-modulated radiation therapy (IMRT).
IV. To determine the rate of R0/R1 and R2 resections, and type of procedures (extended pleurectomy/decortication [P/D], P/D and partial pleurectomy).
V. To evaluate the trajectory of European Organization for Research and Treatment of Cancer Quality of Life Questionnaire Core 30 (EORTC QLQ-Q30) and lung cancer specific module (LC13) symptoms in patients treated with IMPRINT by comparing the proportion of patients who respond with "quite a bit" or "very much" LC13 symptoms at 9-12 months post-randomization compared to at 3 months post-randomization.
VI. To evaluate changes in health-related quality of life, functional domains, and symptoms over time with the addition of adjuvant IMPRINT as compared to surgery and chemotherapy alone.
After completion of study treatment, patients are followed up every 3 months for 2 years, then every 6 months for 3 years.
Enrollment
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Inclusion criteria
PRIOR TO STEP 1 REGISTRATION - ALL PATIENTS
Pathologically (histologically or cytologically) confirmed diagnosis of epithelioid or biphasic malignant pleural mesothelioma (MPM)
Imaging proof of clinical stage (American Joint Committee on Cancer [AJCC] 8th edition) I-IIIA MPM by PET/CT;
MPM is amenable to resection by P/D as determined by a thoracic surgeon
History/physical examination within 42 days prior to Step 1 Registration
Eastern Cooperative Oncology Group (ECOG) Performance Status 0-1 within 42 days prior to Step 1 Registration
Required Initial Laboratory Values prior to study entry (must be at least 14 days after last infusion of pre-study entry neoadjuvant therapy, if given):
Negative serum pregnancy test within 14 days of Step 1 Registration for women of childbearing potential
HIV-infected patients on effective anti-retroviral therapy with undetectable viral load within 6 months are eligible for this trial. Note: HIV testing is not required for eligibility for this protocol.
The patient or a legally authorized representative must provide study-specific informed consent prior to study entry
PRIOR TO STEP 1 REGISRATION - PATIENTS WHO RECEIVED SYSTEMIC THERAPY BEFORE STUDY ENTRY
PRIOR TO STEP 2 RANDOMIZATION - ALL PATIENTS
Exclusion criteria
PRIOR TO STEP 1 REGISTRATION - ALL PATIENTS
Pregnancy or women who are breastfeeding and unwilling to discontinue.
Participants of childbearing potential (participants who may become pregnant or who may impregnate a partner) unwilling to use highly effective contraceptives during and for six months after end of treatment because the treatment in this study may be significantly teratogenic.
Diagnosis of sarcomatoid mesothelioma
Severe, active co-morbidity defined as follows:
New York Heart Association (NYHA) class III or IV heart failure
Chronic obstructive pulmonary disease (COPD) requiring chronic oral steroid therapy of > 10 mg prednisone daily or equivalent at the time of registration. Inhaled corticosteroids are allowed;
Unstable angina requiring hospitalization and/or transmural myocardial infarction within the last 3 months;
Interstitial lung disease;
Hemodialysis or peritoneal dialysis;
Concurrent active malignancy (with the exception of current or prior non-melanomatous skin cancer or low-grade malignancies followed observantly for which treatment has not or does not have the potential to interfere with the safety or efficacy assessment of the investigational regimen)
Hepatic impairment defined by ChildPugh class (ChildPugh class B & C);
• Active lung infection requiring IV antibiotics
Patients on immunosuppressive therapy, for example history of organ or bone marrow transplant or other hematologic disorders that are expected to compromise life expectancy or tolerance of treatment;
Prior nephrectomy on the contralateral side of MPM
Ipsilateral thoracic electronic implant, e.g. pacemaker, defibrillator, unless switched to the contralateral side prior to initiation of radiation therapy (RT)
Prior thoracic radiation therapy (patients with prior thoracic RT cannot be planned to 50-60 Gy without exceeding normal tissue constraints)
Use of bevacizumab or other antiangiogenic therapy to treat current mesothelioma (due to potential for increased complications from local therapy).
For patients who received neoadjuvant systemic therapy prior to study entry, surgery planned to occur greater than 8 weeks following neoadjuvant systemic therapy
PRIOR TO STEP 2 RANDOMIZATION - ALL PATIENTS
Primary purpose
Allocation
Interventional model
Masking
16 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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