Clinical Study of Vorinostat in Combination With Etoposide in Pediatric Patients < 21 Years at Diagnosis With Refractory Solid Tumors



Status:Active, not recruiting
Conditions:Cancer
Therapuetic Areas:Oncology
Healthy:No
Age Range:4 - 21
Updated:2/28/2019
Start Date:February 2011
End Date:February 2020

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A Phase I/II Clinical Study of Vorinostat in Combination With Etoposide in Pediatric Patients < 21 Years at Diagnosis With Refractory Solid Tumors

The purpose of this study is to find out how safe and effective treatment with a new
combination of drugs, vorinostat and etoposide, is in treating cancer. The medication
etoposide is a standard medication used in the treatment of cancer in children. Vorinostat is
an experimental drug which targets a protein(s) that control the way cancer cells grow and
divide. Vorinostat is approved by the FDA in adults with certain cancers but not approved yet
in children.

There are two parts to this study. In the first part of this study, the phase I portion, a
safe dose of the combination, vorinostat and etoposide. The goal of second part of this
study, the phase II portion, is to see how effective the combination of vorinostat and
etoposide is in treating cancer.


Inclusion Criteria:

- Phase I Component: Histologic confirmation of relapsed/refractory solid tumors,
including tumors of the central nervous system that have failed to respond to standard
therapy, progressed despite standard therapy, or for which standard therapy does not
exist. Patients with diffuse pontine glioma are not required to have histologic
confirmation of disease, and are eligible with radiologic confirmation. Phase II
Component: the population will be restricted to relapsed/refractory sarcomas

- Patient must be between 4-21 years of age at the time of study enrollment. Efforts
will be made to enroll patients <13 years of age so that adequate information about
the biologic effects of this agent in younger patients can be obtained.

- Patient must have Karnofsky > or = to 60% for patients >10 years of age; Lansky Play
Scale > or = to to 60 for children < or = to 10 years of age

- Patient must have a life expectancy of > 8 weeks.

- There is no limit to the number of prior treatment regimens provided that performance
status and life expectancy meet the criteria above.

- Absolute neutrophil count (ANC) ≥ 1000 / mcL

- Platelets ≥100,000 / mcL (transfusion not permitted)

- Hemoglobin ≥ 9 g/dL qualifications (transfusion permitted)

- Coagulation Prothrombin Time or INR ≤ 1.5x upper limit of normal (ULN)

- Serum creatinine ≤ 1.5x upper limit of normal (ULN) OR calculated creatinine clearance
≥ 60 mL/min for patients with creatinine levels > 1.5x institutional ULN. or
calculated creatinine clearance Creatinine clearance should be calculated per
institutional standard.

- Serum total bilirubin ≤ 1.5 x ULN Patient's who don't meet this criteria must have a
Direct bilirubin ≤ 1.5 x ULN

- AST (SGOT) and ALT (SGPT) Alkaline Phosphatase (liver fraction)

≤ 2.5 x ULN. If AST or ALT is > 2.5 x ULN, then the liver fraction of Alkaline
Phosphatase should be ≤ 2.5 x ULN

- Phase I component: Patients may have measurable or non-measurable disease. Phase II
component: Patients may only have measurable disease.

- Patient must have no persistent toxicities from prior therapy > or = to Grade 2 with
the exception of hematologic indices (i.e. hemoglobin, WBC, ANC, ALC).

- For females of childbearing potential, a negative serum pregnancy test must be
documented within 72 hours of receiving the first dose of vorinostat.

- Patient, or the patient's legal representative, has voluntarily agreed to participate
by giving written informed consent.

- Female patients of childbearing potential must be willing to use 2 adequate barrier
methods of contraception to prevent pregnancy or agree to abstain from heterosexual
activity throughout the study, starting with visit 1.

- Male patients must agree to use an adequate method of contraception for the duration
of the study.

- Prior Therapy: Patients must have fully recovered from the acute toxic effects of all
prior chemotherapy, immunotherapy, or radiotherapy prior to entering this study.

- Myelosuppressive chemotherapy: At least 2 weeks must have elapsed since the
administration of previous therapy. Six weeks must have elapsed since administration
of nitrosoureas or mitomycin C. Seven days must have elapsed since the administration
of G-CSF and/or GM-CSF.

- Biologic agents: At least 14 days must have elapsed since the completion of therapy
with a biologic agent such as a monoclonal antibody. Seven days must have elapsed
since the last dose of retinoids.

- Radiation therapy (XRT): > or = to 2 weeks must have elapsed for local XRT (small
port); > or = to 6 months must have elapsed if prior radiation to > or = to 50% of the
pelvis or if other substantial bone marrow irradiation, including total body
irradiation.

- Patient must be able to swallow capsules.

- Patient must have an available archival/pre-treatment block or fresh tumor biopsy for
molecular profiling to be performed.

Exclusion Criteria:

- A patient meeting any of the following criteria is not eligible to participate in this
study:

- Patients currently participating or has participated in a study with an
investigational compound or device within 4 weeks of initial dosing with study drugs.

- Patients with a prior history of treatment with HDAC inhibitors ( e.g.
SNDX-275/entinostat, LAQ-824, LBH589, PXD-101/belinostat, etc). Patients who have
received Valproic acid will be excluded from this study.

- Patients with non CNS primary tumors who have known brain metastases or symptomatic
CNS disease (e.g. cranial nerve abnormalities) without cytologic abnormality in the
CSF should be excluded from this clinical trial because of their poor prognosis and
known propensity for the development of progressive neurologic dysfunction that would
confound the evaluation of neurologic and other adverse events. Patients with
metastatic CNS tumors will not be excluded from enrollment on this study in the phase
I component only.

- Patients who have undergone prior autologous stem cell transplantation or allogeneic
transplantation.

- Uncontrolled intercurrent illness or circumstances that could limit compliance with
the study requirements including, but not limited to: ongoing or active bacterial or
fungal infection, acute or chronic graft versus host disease, symptomatic congestive
heart failure, cardiac arrhythmia, or psychiatric illness/social situations.

- Patients who are pregnant or breastfeeding, or expecting to conceive within the
projected duration of the study. Because there is an unknown but potential risk for
adverse events in nursing infants secondary to treatment of the mother with
vorinostat, lactating patients will be excluded from this study.

- Patients known to be Human Immunodeficiency Virus (HIV)-positive.

- Patients with known hypersensitivity to the components of the study drugs or their
analogs.

- Patients with symptomatic ascites or pleural effusion. A patient who is clinically
stable following treatment for these conditions is eligible.

- Patients who are at the time of signing informed consent, a regular user of any
illicit drugs, substance abuser or who have a recent history of drug or alcohol abuse.

- Patients with a known history of Hepatitis B or C.

- Patients who have a history of gastrointestinal surgery or other procedures that might
in the opinion of the investigator, interfere with the absorption or swallowing of the
study drug.

- Patients who are unable to take or tolerate oral medications on a continuous basis.

- Patients with a history of a prior malignancy who have undergone potentially curative
therapy with no evidence of that disease for five years or patients, who are deemed
low risk for recurrence by his/her treating physician are permitted to enroll.
We found this trial at
11
sites
1919 E Thomas Rd
Phoenix, Arizona 85006
(602) 933-1000
Principal Investigator: Jessica Boklan, MD
Phone: 602-546-0920
Phoenix Children's Hospital Phoenix Children's Hospital has provided hope, healing, and the best healthcare for...
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13123 E 16th Ave
Aurora, Colorado 80045
(720) 777-1234
Principal Investigator: Lia Gore, MD
Phone: 720-777-4159
Children's Hospital Colorado At Children's Hospital Colorado, we see more, treat more and heal more...
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Aurora, CO
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Baltimore, Maryland 21287
Principal Investigator: Patrick Brown, MD
Phone: 410-614-4915
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Baltimore, MD
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450 Brookline Ave
Boston, Massachusetts 2215
617-632-3000
Dana-Farber Cancer Institute Since it’s founding in 1947, Dana-Farber has been committed to providing adults...
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Boston, MA
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Calgary, Alberta
Principal Investigator: Tony Truong, MD
Phone: 403 955-2946
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Hershey, Pennsylvania 17033
Principal Investigator: Lisa McGregor, MD
Phone: 717-531-6012
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Houston, Texas 77030
Principal Investigator: Cynthia Herzog, MD
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Kansas City, Missouri 64108
Principal Investigator: Kathleen Neville, MD
Phone: 816-234-3059
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Kansas City, MO
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1275 York Ave
New York, New York 10021
(212) 639-2000
Principal Investigator: Tanya Trippett, MD
Phone: 212-639-8267
Memorial Sloan Kettering Cancer Center Memorial Sloan Kettering Cancer Center — the world's oldest and...
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New York, NY
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Orlando, Florida 32806
Principal Investigator: Amy Smith, MD
Phone: 321-841-8588
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Saint Petersburg, Florida 33701
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