A Randomized Phase II Trial of Bevacizumab (IND# 7921, Avastin) and Temsirolimus (IND# 61010, Torisel) in Combination With Intravenous Vinorelbine and Cyclophosphamide in Patients With Recurrent/Refractory Rhabdomyosarcoma

Inclusion Criteria:

- Patients must have had a previous histological verification of rhabdomyosarcoma at
original diagnosis

- Patients with first relapse or progression of rhabdomyosarcoma are eligible

- Patients with primary refractory disease are eligible

- Primary refractory disease is defined as first progression after receiving
at least one course of cyclophosphamide or ifosfamide containing
chemotherapy without prior demonstration of a radiographic response to
chemotherapy (progression on irinotecan-containing chemotherapy without
cyclophosphamide or ifosfamide containing chemotherapy will not be
considered a first progression)

- Patients without measurable or evaluable disease are eligible

- Patients must have a Karnofsky or Lansky performance status score of >= 50%,
corresponding to Eastern Cooperative Oncology Group (ECOG) categories of 0, 1, or 2

- Use Karnofsky for patients > 16 years of age and Lansky for patients =< 16 years
of age

- Patients must have a life expectancy of >= 8 weeks

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

- No myelosuppressive chemotherapy within 3 weeks prior to entry onto this study (4
weeks if prior nitrosourea)

- Patients may have received prior therapy with oral tyrosine kinase inhibitors or
other similar agents

- At least 7 days must have elapsed since the completion of therapy with a
biologic agent and all toxicities must have resolved to < grade 2 prior to
enrollment

- 3 half-lives (or 6 weeks) must have elapsed since previous monoclonal antibody
therapy prior to enrollment on this study

- No myeloid growth factor within 1 week prior to entry onto this study

- At least 4 weeks must have elapsed between radiotherapy and study entry

- Previously radiated lesions cannot be used to assess response unless those sites
are the sites of disease progression

- For autologous stem cell transplantation (SCT), >= 3 months must have elapsed

- For allogeneic SCT, >= 6 months must have elapsed and no evidence of active graft vs
host disease

- Patients must have recovered from any surgical procedure before enrolling on this
study

- Minor surgical procedures (e.g., biopsies involving core or fine-needle
aspiration procedures, infusaport or Broviac line placement, paracentesis, or
thoracocentesis) need to have fully healed and occurred > 7 days prior to
enrollment

- Patients who have had a major surgical procedure (such as laparotomy,
thoracotomy, open biopsy, or resection of tumor) can only be enrolled on study >
28 days from such procedure

- Peripheral absolute neutrophil count (ANC) >= 750/μL

- Platelet count >= 75,000/μL (transfusion independent, defined as without transfusion
for >= 1 week prior to enrollment)

- Hemoglobin >= 8.0 g/dL (may receive packed red blood cells [PRBC] transfusions)

- Bone marrow disease involvement of tumor is allowed, however, peripheral blood count
criteria must still be met

- Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70
mL/min/1.73 m^2 OR a serum creatinine based on age/gender as follows:

- =< 0.4 mg/dL (for patients aged 1 month to < 6 months)

- =< 0.5 mg/dL (for patients aged 6 months to < 1 year)

- =< 0.6 mg/dL (for patients aged 1 to < 2 years)

- =< 0.8 mg/dL (for patients aged 2 to < 6 years)

- =< 1 mg/dL (for patients aged 6 to < 10 years)

- =< 1.2 mg/dL (for patients aged 10 to < 13 years)

- =< 1.4 mg/dL (for female patients aged >= 13 years)

- =< 1.5 mg/dL (for male patients aged 13 to < 16 years)

- =< 1.7 mg/dL (for male patients aged >= 16 years)

- Urine protein level:

- For patients aged =< 17 years, UPC ratio must be =< 1 for patient to be eligible

- For patients aged > 17 years, urine protein should be screened by urine
analysis; if protein is 2+ or higher, 24-hour urine protein must be obtained and
the level must be < 1,000 mg for patient enrollment

- Total bilirubin =< 1.5 x upper limit of normal (ULN) for age

- Shortening fraction of >= 27% by echocardiogram or ejection fraction of >= 50% by
radionuclide angiogram

- All patients and/or their parents or legal guardians must sign a written informed
consent

Exclusion Criteria:

- Patients with botryoid histology, any stage or group, are ineligible

- Patients with embryonal histology, stage I or clinical group 1 at initial disease
presentation, who present with local or regional recurrence, are ineligible

- Patients who previously received craniospinal irradiation are ineligible

- Patients who previously received vinorelbine, bevacizumab, temsirolimus, or any other
direct VEGF/VEGFR- or mTOR- targeting agents are ineligible

- Patients with known central nervous system (CNS) disease (excluding
intracranial/intraspinal extension secondary to local progression of a parameningeal
or paraspinal primary), except for those with treated brain metastasis, are
ineligible

- Treated brain metastases are defined as having no ongoing requirement for
steroids and no evidence of progression or hemorrhage after treatment for at
least 3 months, as ascertained by clinical examination and brain imaging
(magnetic resonance imaging [MRI] or computed tomography [CT])

- Stable dose of anticonvulsants are allowed

- Treatment for brain metastases may include whole-brain radiotherapy (WBRT),
radiosurgery (RS; Gamma Knife, LINAC, or equivalent), or a combination as deemed
appropriate by the treating physician

- Patients with CNS metastases treated within 3 months prior to enrollment by
neurosurgical resection or brain biopsy are ineligible

- Patients who receive radiation or chemotherapy (inclusive of palliative intent) for
first disease progression or relapse of rhabdomyosarcoma prior to enrollment are
ineligible

- Pregnant or nursing

- Female patients of childbearing potential are not eligible unless a negative
pregnancy test result has been obtained

- Sexually active patients of reproductive potential are not eligible unless they have
agreed to use an effective contraceptive method for the duration of their study
participation

- Patients with a documented chronic non-healing wound, ulcer, or significant trauma
injury (those with bone fractures, including pathological fractures, or requiring
surgical intervention) within 28 days prior to beginning therapy are ineligible

- Patients with evidence of intratumoral hemorrhage, gastrointestinal bleeding, or on
anticoagulation for thrombosis or history of thrombosis are ineligible

- Patients with uncontrolled hypertension are ineligible; uncontrolled hypertension is
defined as follows:

- Patients aged =< 17 years: greater than 95th percentile systolic and diastolic
blood pressure based on age and height that is not controlled by one
antihypertensive medication

- Patients aged > 17 years: systolic blood pressure >= 160 mm Hg and/or diastolic
blood pressure >= 90 mm Hg that is not controlled by one antihypertensive
medication

- Patients currently taking anticoagulants or antiplatelet agents with the exception of
aspirin (=< 81 mg/day) are ineligible

- Patients with history of central venous catheter (CVC)-associated thrombosis
requiring systemic anticoagulation are ineligible

- NOTE: Patients with history of sluggish flow from CVC or CVC-associated
thrombosis treated with tissue plasminogen activator (TPA) only are not excluded

- Patients with clinically significant cardiovascular disease are excluded:

- History of cerebrovascular accident (CVA) within the prior 6 months

- Myocardial infarction or unstable angina within the prior 6 months

- New York Heart Association grade 2 or greater congestive heart failure

- Serious and inadequately controlled cardiac arrhythmia

- Significant vascular disease (e.g., aortic aneurysm, history of aortic
dissection)

- Clinically significant peripheral vascular disease

- Patients diagnosed with rhabdomyosarcoma as a second malignant neoplasm are not
eligible

- Patients with history of any second malignant neoplasm who have received chemotherapy
or radiation for the treatment of that malignancy are not eligible