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"A Phase II Trial of Hippocampal-Sparing Cranial Irradiation (PCI) for Small-Cell Lung Cancer (SCLC)"


Phase 2
18 Years
N/A
Open (Enrolling)
Both
Small-cell Lung Cancer, SCLC, Limited Stage Disease

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Trial Information

"A Phase II Trial of Hippocampal-Sparing Cranial Irradiation (PCI) for Small-Cell Lung Cancer (SCLC)"


-The standard of care in management of small cell lung cancer consists of chemotherapy plus
thoracic radiation followed by prophylactic cranial irradiation (PCI) based on a randomized
trial that demonstrated a significant improvement in overall survival (OS) with PCI.
Unfortunately radiation therapy to the brain is associated with neurocognitive toxicity,
which may be at least in part related to radiation induced injury to neural progenitor cells
in the hippocampus. Both human and animal data suggest an inverse relationship between
radiation dose to the hippocampus and performance on neuropsychological testing. We
hypothesize that hippocampal sparing PCI will allow improved performance on tests of short
term memory and executive function compared to a historical control (RTOG 0212) receiving
the same dose of conventional PCI. The primary objective of this study is to evaluate
performance on the Hopkins Verbal Learning Test-Revised for delayed recall at 6 months
following hippocampal-sparing PCI relative to the historical control. Secondary objectives
are to estimate: 1) composite cognitive function following hippocampal-sparing PCI relative
to the historical control and 2) the rate of metastases in the hippocampus at 2 years
following hippocampal-sparing PCI. The long term goal of this research is to reduce the
long term sequelae of radiation therapy for both primary and metastatic brain tumors.


Inclusion Criteria:



- Patient must have newly diagnosed and confirmed small-cell lung cancer (SCLC)

- Patient must have a performance status of 1 or higher

- Patients must not have received previous irradiation to the brain

- Patients must have limited stage disease with CR (complete response) to chemotherapy
and consolidative chest radiotherapy that was documented at least on standard chest
x-rays within one month of study entry

- Negative MRI or CT scan of the brain at least one month before protocol entry

- Women of child-bearing potential must have a negative pregnancy test and also agree
to use adequate contraceptives while on protocol

- Patient must be able to understand and sign the informed consent document

- Patient must be informed of the investigational aspect to this trial prior to singing
the informed consent document

Exclusion Criteria:

- Patients receiving prior external beam irradiation to the head or neck, including any
form of stereotactic irradiation

- Radiographic evidence of brain metastases and/or ipsilateral lung
metastases/malignant pleural effusion

- Planned concurrent chemotherapy or antitumoral agent during PCI

- Concomitant malignancy or malignancy within the past five years other than
nonmelanomatous skin cancer or carcinoma in situ of the cervix

- Patients with minimal pleural effusion evident on CXR (chest X-ray); minimal pleural
effusion visible on chest CT is allowed.

- Patients with epilepsy requiring permanent oral medication

_ Patients must not have a serious medical or psychiatric illness that would, in the
opinion of the investigator, prevent informed consent or completion of protocol
treatment, and/or follow-up visits.

- Patients may not take Memantine. This is the only eligibility criterion that has
been added to those of RTOG 0212, since some physicians might now prescribe
Memantine. This medication would not have been given at the time of enrollment on
RTOG 0212 and its administration could confound the results of this study.

Type of Study:

Interventional

Study Design:

Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Outcome Measure:

Effect of Hippocampal-sparing PCI on possible delayed recall toxicity.

Outcome Description:

Evaluate performance on the Hopkins Verbal Learning Test-Revised for delayed recall (HVLT-R-Delayed Recall) at 6 months following hippocampal-sparing PCI relative to historical control receiving standard PCI.

Outcome Time Frame:

Baseline, 6 months and 12 months post radiation treatment

Safety Issue:

Yes

Principal Investigator

Kristin Redmond, M.D.

Investigator Role:

Principal Investigator

Investigator Affiliation:

Johns Hopkins University

Authority:

United States: Food and Drug Administration

Study ID:

J12127

NCT ID:

NCT01797159

Start Date:

February 2013

Completion Date:

February 2018

Related Keywords:

  • Small-cell Lung Cancer
  • SCLC
  • Limited Stage Disease
  • Prophylactic Carnail Irradiation
  • PCI
  • Hippocampal-sparing irradiation
  • Lung Neoplasms
  • Small Cell Lung Carcinoma

Name

Location

The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins Baltimore, Maryland  21231