arabinoside/hypoxia

PRIMARY OBJECTIVE: I. To evaluate the incidence of intratumoral hypoxia in patients with relapsed or refractory (R/R) malignancies before treatment with chimeric antigen receptor (CAR) T-cell therapy. SECONDARY OBJECTIVE: I. To evaluate the association between intratumoral hypoxia and clinical

PRIMARY OBJECTIVES: I. To evaluate the feasibility of PET-CT using 18F-fluoroazomycin arabinoside ([18F]FAZA) and to determine the optimal imaging time to detect hypoxia in solid tumors. SECONDARY OBJECTIVES: I. To determine the variability of imaging findings from repeated [18F]FAZA PET-CT studies

In head and neck cancer, areas of tumours with low oxygen supply (called tumour hypoxia) harbour cells that are resistant to radiation and are prone to metastasize. Modern radiotherapy techniques are precise enough to deliver radiation to these small areas and could be used to target these areas to

Colorectal cancer (CRC) is one of the leading causes of cancer mortality in Canada. Rectal cancers are now known to be hypoxic which is a negative prognostic factor and predictive of metastatic spread and poor responsiveness to treatment. This has also been shown in preclinical xenograft models.

This is a single centre, single arm hypoxia study of pancreatic cancer with PET FAZA imaging. PET-CT imaging of tumor hypoxia with FAZA will be done prior to the start of standard treatment for pancreatic cancer with chemotherapy. The FAZA PET-CT imaging session will last approximately 2.5 hours and

The presence of hypoxia has been documented in soft-tissue sarcomas, where it may contribute to radioresistance. Combinations of radiosensitisers such as ifosfamide and doxorubicin with radiotherapy have demonstrated promise in sarcomas, but with significant toxicity. The rationale for this study is