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Lead
University of Texas Southwestern Medical Center
We propose to use conformal avoidance of the hippocampal region during whole brain radiotherapy to reduce the dose to the hippocampi, thereby putatively limiting the radiation-induced inflammation of the hippocampal region and subsequent alteration of the microenvironment of the neural progenitor cells
Age
18–99
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
1. Pathologically (histologically or cytologically) proven diagnosis of a non-hematopoietic malignancy other than small cell lung cancer and germ cell malignancy.. Direct biopsy of CNS (central nervous system) lesions is not necessarily required although could constitute an allowed site of tissue confirmation as medically prudent. Patients who have been disease free for more than 5 years prior to the appearance of CNS metastases should undergo repeat biopsy of either a systemic metastasis or the CNS metastases to confirm the recurrent malignancy.
2. Patients with measurable brain metastasis outside a 5-mm margin around either hippocampus
3. Patients with measurable brain metastasis who have not been or will not be treated with SRS (stereotactic radiosurgery ) or surgical resection (Note: These treatment options are only permitted at relapse)
4. History/physical examination within 28 days prior to registration
5. Patients must fall into RTOG (Radiation Therapy Oncology Group) recursive partitioning analysis (RPA) class I or II
6. Patients must have a life expectancy of at least 4 months.
7. Age ≥ 18 years
8. Karnofsky performance status ≥ 70
9. Patients must provide study-specific informed consent prior to study entry
10. Women of childbearing potential and male participants must practice adequate contraception
11. Women of childbearing potential must have a negative, qualitative serum pregnancy test ≤2 weeks prior to study entry
You may not be if
1. Patients with greater than 9 discrete metastases on MRI.
2. Patients with leptomeningeal metastases
3. Patients with measurable brain metastasis not resulting from small cell lung cancer and germ cell malignancy
4. Plan for chemotherapy or targeted therapies during WBRT or over the subsequent 7 days
5. Contraindication to MR (Magnetic resonance) imaging such as implanted metal devices or foreign bodies, severe claustrophobia AND patients unable to receive gadolinium contrast agents
6. Serum creatinine \> 1.4 mg/dl ≤ 28 days prior to study entry
7. Prior radiation therapy to the brain
8. Patients planning to undergo radiosurgery to any CNS lesion OR patients planning to have surgical resection of ALL of their CNS lesions
Clareo Health | Hippocampal-Avoiding Whole Brain Irradiation With Simultaneous Integrated Boost for Treatment of Brain Metastases
