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This research is being done to determine if a short course of Chloroquine (five weeks) before, during and after whole brain radiation therapy (WBRT) will improve the overall survival of subjects being treated for brain metastases.
Hypothesis one: A short course of chloroquine one week prior and four weeks after initiation of WBRT is tolerable and significantly increases the median survival time of patients suffering from brain metastasis as assessed one, three, six, nine, twelve and 24 months post radiotherapy, when compared to historic controls.
Hypothesis two: The presence of one or both single-nucleotide polymorphisms (SNP)s in the gene coding for the immunoregulatory enzyme indoleamine 2,3-dioxygenase 2 (IDO2) improves the clinical outcomes of WBRT or the response to CQ co-treatment.
3.2. Specific Aims:
The specific aims of this study are:
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| CQ Arm | Experimental | 250 mg chloroquine once a day by mouth beginning one week prior to beginning radiation therapy and continue for a total of five weeks. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Chloroquine diphosphate | Drug | 250 mg chloroquine once a day by mouth beginning one week prior to beginning radiation therapy and continue for a total of five weeks |
|
| Measure | Description | Time Frame |
|---|---|---|
| Specific Aim | Determine patients physical profiles prior WBRT and at regular intervals afterwards up to 24 months after radiotherapy | up to 24-months after completion of treatment |
| Measure | Description | Time Frame |
|---|---|---|
| Secondary endpoint: death | from any cause | up to 24 months after completion of treatment |
| Measure | Description | Time Frame |
|---|---|---|
| Additional Aims | Record the status of patient metastases (i.e. number, location, size) | up to 24 months after completion of treatment |
| Additional Aims | Record KPS |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Albert DeNittis, MD | Main Line Health | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Lankenau Medical Center | Wynnewood | Pennsylvania | 19096 | United States |
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| ID | Term |
|---|---|
| D001932 | Brain Neoplasms |
| ID | Term |
|---|---|
| D016543 | Central Nervous System Neoplasms |
| D009423 | Nervous System Neoplasms |
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
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| ID | Term |
|---|---|
| C023676 | chloroquine diphosphate |
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| up to 24 months after completion of treatment |
| Additional Aims | Record genotype of IDO2 | up to 24 months after completion of treatment |
| D001927 |
| Brain Diseases |
| D002493 | Central Nervous System Diseases |
| D009422 | Nervous System Diseases |