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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT03572530
Other study ID # HSC-MS-18-0309
Secondary ID
Status Recruiting
Phase Phase 1
First received
Last updated
Start date February 8, 2019
Est. completion date December 1, 2025

Study information

Verified date May 2024
Source The University of Texas Health Science Center, Houston
Contact Bangning Yu, MD, PhD
Phone 713-500-7363
Email Bangning.Yu@uth.tmc.edu
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study seeks to determine the optimum dose frequency of 5-Azacytidin (5-AZA) infusions into the fourth ventricle of the brain. The study's primary objective is to establish the maximum tolerated dose for infusions of 5-Azacytidine into the fourth ventricle in patients with recurrent ependymoma. The study's secondary objective is to assess the antitumor activity of 5-Azacytidine infusions into the fourth ventricle based upon imaging studies and cytology.


Recruitment information / eligibility

Status Recruiting
Enrollment 9
Est. completion date December 1, 2025
Est. primary completion date December 1, 2025
Accepts healthy volunteers No
Gender All
Age group 1 Year to 80 Years
Eligibility Inclusion Criteria: - Diagnosis: Patients with histologically verified ependymoma, with recurrence or progression anywhere in the brain and/or spine. Patients are also eligible if they have refractory disease, which will be defined as residual tumor which has not been completely cleared despite prior treatments. To be eligible, patients' disease must have originated in the posterior fossa of the brain - Patient must have either measurable or evaluable tumor as assessed by MRI of the brain and total spine - An implanted catheter in the fourth ventricle or posterior fossa tumor cavity attached to a ventricular access device or agreement to have one placed. - A minimum of 7 days between last dose of systemic chemotherapy and/or radiation therapy and first infusion of 5-AZA into fourth ventricle - Life expectancy of at least 12 weeks in the opinion of the principal investigator - Lansky score of 50 or greater if =16 years of age or Karnofsky score of 50 or greater if > 16 years of age - Existing neurological deficits must have been stable for a minimum of 1 week prior to study enrollment - Patients must have recovered from the acute toxic effects of all prior anticancer chemotherapy - Adequate bone marrow function defined by peripheral absolute neutrophil count (ANC) = 500/µL, platelet count = 50,000/µL (transfusion independent), and hemoglobin = 9.0 gm/dL (may receive RBC transfusions) - Patient or patient's legal representative, parent(s), or guardian able to provide written informed consent. Exclusion Criteria: - Enrolled in another treatment protocol - Has received another investigational or chemotherapy agent or radiation therapy within 7 days prior to 5-AZA infusion into the fourth ventricle - Evidence of untreated infection - Pregnant or lactating women

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
5-Azacytidine (5-AZA) group 1
5-AZA (12 mg) will be prepared in preservative-free normal saline to a total volume of 1.2ml. 5-AZA will be infused over a minimum of 30 seconds. 5-AZA will be followed by a 1 ml preservative-free normal saline flush over a minimum of 30 seconds. Patients will receive two, three, or four 5-AZA infusions per week depending on the dosing algorithm (see below). We refer to these dosing schedules as dose 1, 2, or 3. Patients assigned to dose 1 will receive two 5-AZA infusions per week (typically Monday and Thursday but may be given on other days based upon logistical considerations) for 8 consecutive weeks.
5-Azacytidine (5-AZA) group 2
5-AZA (12 mg) will be prepared in preservative-free normal saline to a total volume of 1.2ml. 5-AZA will be infused over a minimum of 30 seconds. 5-AZA will be followed by a 1 ml preservative-free normal saline flush over a minimum of 30 seconds. Patients will receive two, three, or four 5-AZA infusions per week depending on the dosing algorithm (see below). We refer to these dosing schedules as dose 1, 2, or 3. Patients assigned to dose 2 will receive three 5-AZA infusions per week (typically Monday, Wednesday, and Friday but may be given on other days based upon logistical considerations) for 8 consecutive weeks.
5-Azacytidine (5-AZA) group 3
5-AZA (12 mg) will be prepared in preservative-free normal saline to a total volume of 1.2ml. 5-AZA will be infused over a minimum of 30 seconds. 5-AZA will be followed by a 1 ml preservative-free normal saline flush over a minimum of 30 seconds. Patients will receive two, three, or four 5-AZA infusions per week depending on the dosing algorithm (see below). We refer to these dosing schedules as dose 1, 2, or 3. Patients assigned to dose 3 will receive four 5-AZA infusions per week (on any 4 weekdays based upon logistical considerations) for 8 consecutive weeks.

Locations

Country Name City State
United States The University of Texas Health Science Center at Houston Houston Texas

Sponsors (1)

Lead Sponsor Collaborator
The University of Texas Health Science Center, Houston

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Number of participants who experienced dose-limiting toxicity (DLT) Dose-limiting toxicity will be defined as any of the following events:
New neurological deficit (grade 3 or higher) probably or definitely attributed to intraventricular 5-azacytidine infusions.
New adverse event involving any organ probably or definitely attributed to intraventricular 5-azacytidine infusions with the specific exclusion of: Grade 3 or higher nausea and vomiting < 3 days duration and grade 3 or higher headache < 3 days duration.
8 weeks
Secondary Number of participants with disease progression as assessed by magnetic resonance imaging (MRI) The PI and radiologist will determine Response to treatment according to the following three categories. Disease progression corresponds with the "Progressive Disease" category.
Complete Response (CR): Disappearance of all non-target lesions. Stable Disease (SD) / Incomplete Response (IR): The persistence of one or more non-target lesions.
Progressive Disease (PD): The appearance of one or more new lesions and/or unequivocal progression of existing non-target lesions.
1 day after surgery to remove tumor (which is about 1 week before the first infusion)
Secondary Number of participants with disease progression as assessed by magnetic resonance imaging (MRI) The PI and radiologist will determine Response to treatment according to the following three categories. Disease progression corresponds with the "Progressive Disease" category.
Complete Response (CR): Disappearance of all non-target lesions. Stable Disease (SD) / Incomplete Response (IR): The persistence of one or more non-target lesions.
Progressive Disease (PD): The appearance of one or more new lesions and/or unequivocal progression of existing non-target lesions.
8 weeks after first infusion
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