Mesothelioma

Light Dosimetry for Photodynamic Therapy With Porfimer Sodium in Treating Participants With Malignant Mesothelioma or Non-Small Cell Lung Cancer With Pleural Disease Undergoing Surgery

This phase I trial studies the side effects and how well light dosimetry system works during photodynamic therapy with porfimer sodium in treating participants with malignant mesothelioma or non-small cell lung cancer with pleural disease undergoing surgery. Light dosimetry measures the amount of laser light given during photodynamic therapy. Photodynamic therapy uses a drug, such as porfimer sodium, that becomes active when it is exposed to light. The activated drug may kill tumor cells. Using light dosimetry for intraoperative photodynamic therapy may help doctors estimate how much light is delivered during photodynamic therapy and decide if the treatment should be stopped or continued.

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Association Between Proton Pump Inhibitors and Hematologic Toxicity of Pemetrexed (IPPEM)

Pemetrexed is a multi-folate inhibitor approved in the treatment of non-small cell lung cancer (NSCLC) and pleural mesothelioma. Its toxicity profile is mainly hematologic (anemia, neutropenia and thrombopenia) and can be limiting when > grade 2 according to NCI-CTCAE criteria. First clinical trials highlighted hematologic toxicity, especially anemia, which was reduced by decreasing pemetrexed dosage from 600 to 500 mg/m² Q3W and by adding systematic vitamin supplementation (B9/B12). Despite this, incidence of hematological toxicity remains frequent with anemia occurring in more than 20% of patients treated by pemetrexed in combination. The investigators aim to investigate the potential association between PPIs and pemetrexed combination and the incidence of hematological toxicity in a multicenter and prospective study.

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Olaparib in People With Malignant Mesothelioma

Purpose: The drug olaparib may stop cancer cells from fixing damage to their DNA. It has been approved to treat certain cancers in people that were born with a mutation in the BRCA gene. It has not been approved for treating mesothelioma. But some people with mesothelioma have mutations in a gene, BAP1 related to BRCA. Researchers want to see if olaparib can work in patients with mutations in this gene. They also want to see if works on mutations in other genes or patients without any mutations. They want to see if olaparib causes mesothelioma tumors to shrink.

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