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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00923351
Other study ID # 070206
Secondary ID 07-C-0206
Status Completed
Phase Phase 1/Phase 2
First received
Last updated
Start date June 2, 2007
Est. completion date May 15, 2018

Study information

Verified date May 2018
Source National Institutes of Health Clinical Center (CC)
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Background:

- Pediatric solid tumors (Ewing's sarcoma, rhabdomyosarcoma, and neuroblastoma) are often difficult to cure with standard treatment.

- Immune therapy using an experimental vaccine made from proteins from the patient's tumor cells may boost the body's immune response against the tumor.

- The effects of chemotherapy on the immune system can potentially make immunotherapy more effective if administered soon after completion of chemotherapy. The addition of recombinant human IL-7 (interleukin 7) (rhIL-7 (recombinant human interleukin 7)) may make the immunotherapy more effective.

Objectives:

-To determine whether immune therapy given after immune suppression can help the body fight the tumor and to determine the safety of the treatment.

Eligibility:

-Patients with solid tumors, i.e., Ewing's sarcoma, rhabdomyosarcoma or neuroblastoma whose disease has recurred after treatment or spread beyond the original site

Design:

- Patients undergo tumor biopsy (removal of a piece of tumor tissue) to collect tumor cells for making a vaccine from proteins in the patient's tumor and apheresis (removal of a quantity of white blood cells) to collect white cells for re-building the immune system after immune therapy. Apheresis is repeated three times during immunotherapy (weeks 8, 14 and 20).

- After receiving standard chemotherapy for their tumor (and an additional course of fludarabine and cyclophosphamide to further suppress immunity if needed) patients receive immune therapy in Cohorts A and B. rhIL-7 is given 48 hours before the vaccine, as an injection under the skin in an extremity that will not be used for the vaccine in patients in Cohort B only. You will be watched closely for 6 hours after the rhIL-7 for any signs of reaction. rhIL-7 will be given before vaccine doses #1, #2, #3, and #4. The vaccine is given at study weeks 2, 4, 6, 8, 10 and 12. Each vaccine is given as a total of six separate rhIL-7 followed by injections: three intradermal (like a (tuberculosis) TB test) on one arm or leg and three subcutaneous (like those for insulin injections for diabetes). on the other arm or leg. An anesthetic cream may be used to minimize the discomfort of injections.

- Patients' white cells are returned to them by infusion through a vein on the first day of immune therapy.

- Imaging studies and immune studies are done at weeks 1, 8 and 20 to determine the response to treatment on the tumor and on the immune system.


Description:

Background:

- Patients with recurrent or metastatic pediatric solid tumors experience low survival rates, but using current standard therapies, many patients with these diseases are rendered into a state of minimal residual disease associated with lymphopenia.

- Lymphopenic hosts show augmented immune reactivity, which may be favorable for inducing antitumor immune responses.

Objectives:

- To determine whether Alpha cluster of differentiation 25 (CD25) and 8H9 depleted autologous lymphocytes plus tumor lysate/keyhole limpet hemocyanin (KLH) pulsed dendritic cell vaccines plus or minus r-hIL7 (CYT107) can induce immune responses to tumor lysate in this patient population rendered lymphopenic by cytotoxic therapy.

- To assess the safety of administering lymphocytes depleted of cluster of differentiation 4 (CD4) plus CD25plus suppressor T cells plus or minus r-hIL (CYT107 (interleukin 7)) to lymphopenic hosts.

Eligibility:

- Patients with metastatic or recurrent pediatric solid tumors of the following histologies: Ewing's sarcoma family of tumors, rhabdomyosarcoma or neuroblastoma, synovial cell sarcoma, desmoplastic small round cell tumor, undifferentiated sarcoma, embryonal sarcoma.

- Patients must have sufficient accessible tumor for biopsy to generate tumor lysate.

- Patients must meet eligibility criteria upon enrollment and upon completion of standard therapy prior to administration of immunotherapy as significant time will have elapsed between the time points.

Design:

- Immunotherapy consists of one autologous lymphocyte infusion depleted of CD25plus suppressive T cells and depleted of contaminating tumor cells plus 6 sequential tumor lysate/KLH pulsed dendritic cell vaccines. No cytokine is administered on Arm A and r-hIL7 (CYT107) is administered on Arm B.

- Patients will be evaluated for immune responses to tumor lysates using ex vivo assays and delayed type hypersensitivity (DTH).

- The trial uses a one-stage design targeting a response rate of 50 percent. Up to 47 patients will be treated.

- Stopping rules will take effect if excessive toxicity is observed.


Other known NCT identifiers
  • NCT00526240

Recruitment information / eligibility

Status Completed
Enrollment 44
Est. completion date May 15, 2018
Est. primary completion date August 30, 2012
Accepts healthy volunteers No
Gender All
Age group 19 Months to 35 Years
Eligibility - INCLUSION CRITERIA: for Apheresis/Tumor biopsy portion of the trial:

A. Diagnosis

- rhabdomyosarcoma: embryonal or alveolar.

- Ewing's sarcoma family of tumors (ESFT), which include: classical, atypical and extraosseous ESFT, peripheral primitive neuroectodermal tumors, peripheral neuroepithelioma, primitive sarcoma of bone, and ectomesenchymoma.

- neuroblastoma: may be diagnosed via histology or the standard clinical evidence for increased catecholamines in the urine plus tumor cells in the bone marrow.

- undifferentiated or embryonal sarcoma.

- desmoplastic small round cell tumor.

- synovial cell sarcoma.

B. Extent of Disease/Previous Therapy

- Initial presentation: Stage IV or metastatic disease, enrolled prior to any cytoreductive therapy.

- Recurrent Disease:

- Patient > 5yo must have recovered CD4 count to > 350 cells/mm^3 OR have disease free interval > one year from completion of cytotoxic therapy

- Patients < 5yo must have recovered CD4 count to > 350 cells/mm^3 OR have disease free interval > six months from completion of cytotoxic therapy

- Multiple recurrences are allowable as long as CD4 count or disease-free intervals have been met.

C. Age/Weight

- greater than 18 mos. and less than or equal to 35 years at the time of initial diagnosis.

- greater than 10 kg at the time of apheresis. Patients between 10-15 kg must be approved by the apheresis unit prior to enrollment on protocol.

D. Informed Consent

All patients or their legal guardians (if the patient is less than 18 years old) must sign a document of informed consent (screening protocol) prior to performing studies to determine patient eligibility. After confirmation of patient eligibility all patients or their legal guardians must sign the protocol specific informed consent to document their understanding of the investigational nature and the risks of this study before any protocol related studies are performed (other than the studies which were performed to determine patient eligibility).

E. Laboratory Parameters

- renal function: creatinine clearance greater than 60 mL/min/1.73m^2 or normal age adjusted serum creatinine (less than or equal to 5 yrs. less than or equal to 0.8 mg/ml; 5-10 yrs. less than or equal to 1.0 mg/ml; 10-15 yrs. less than or equal to 1.2 mg/ml; greater than 15 yrs. less than or equal to 1.5 mg/ml)

- liver function: aspartate aminotransferase (AST) and alanine aminotransferase (ALT) less than 2.5 times upper limit of normal (ULN), bilirubin less than 1.5 ULN

- hematologic function: platelets greater than 50,000 cells/mcl, hemoglobin (Hgb) greater than 9.0 gms/dl, prothrombin time (PT) less than 1.5 ULN. Patients may receive transfusion if necessary to reach the pre-apheresis hematology parameters.

F. Accessibility of Tissue to Generate Tumor Lysates

Patients must have adequate tumor bulk accessible to biopsy in order to generate the tumor lysate (at least 2 cm diameter). Procedures employed to acquire biopsies for tumor lysates will be limited to percutaneous biopsies or open biopsies of readily accessible lesions. Patients should not undergo biopsies, which will later compromise the ability to render function preserving local therapy (e.g. limb salvage therapy). To prevent this, all bone biopsies should be performed in consultation with the orthopedic consultant on the case. For patients with bone marrow involvement, bone marrow aspirates may be used as a source of tumor for tumor lysates. Patients are not eligible if, in the opinion of the principal and associate investigators, tumor biopsy would entail extensive surgery such as thoracotomy or laparotomy, or if the tumor site places the patient at substantial risk from the biopsy procedure.

National Cancer Institute (NCI) Laboratory of Pathology will review all tumor specimens for diagnosis.

EXCLUSION CRITERIA: for Apheresis/Tumor biopsy portion of the trial:

A. Other conditions

- Clinically significant unrelated systemic illness, such as serious infections, autoimmunity or organ dysfunction, which in the judgment of the Principal or Associate Investigators would compromise the patient's ability to tolerate the investigational agents or are likely to interfere with the study procedures or results.

- Previous allogeneic stem cell or allogeneic bone marrow transplantation.

- Conditions related to tumor, which require emergency treatment (airway compression, spinal cord compression) since enrollment would delay initiation of such therapy.

- Women who are pregnant or lactating.

- Corticosteroids initiated at the time of tumor diagnosis or recurrence for treatment of nerve compression or other symptoms is permitted during this phase of the trial, but will not be permitted during the immunotherapy phase, with the exception of a self limited course of steroids as described in Section 2.1.4.A.

- Patients with a history of central nervous system (CNS) metastases from cancer are not excluded provided that the metastatic CNS disease has been effectively treated and there is no evidence of active CNS disease as evidenced by stable clinical findings and stable radiographic findings for a period of 6 weeks.

- Patients with human immunodeficiency virus infection, hepatitis B, or hepatitis C due to confounding effects on immune system.

INCLUSION CRITERIA: for Immunotherapy portion of the trial:

A. Informed Consent

Because significant time will have elapsed between apheresis/tumor biopsy and the initiation of immunotherapy, all patients or their legal guardians (if the patient is less than 18 years old) must sign a second informed consent to document their understanding of the investigational nature and the risks of this study before any protocol related studies are performed (other than the studies which were performed to determine patient eligibility).

B. Time and Recovery from Cytotoxic Therapy

At least 3 weeks should have elapsed since the last cycle of cytotoxic therapy or since the last dose of radiation therapy, at least 4 weeks must have elapsed since the patient has received any investigational therapy, and patients should have recovered from toxic side effects of previous therapy to a grade 1 or less, with the exception of the following:

- Hematological toxicity: recovery to levels required in Section 2.1.1.E.

- Low electrolyte levels (Such individuals should receive appropriate supplementation).

- For patients on anticoagulant therapy or with pre-existing coagulation abnormalities, prothrombin time (PT), partial thromboplastin time (PTT) must return to baseline.

- Liver function tests must resolve to values required in Section 2.1.1.E.

- Grade 3 hypoalbuminemia.

- Alopecia.

- Sterility.

C. Laboratory Parameters

- renal function: creatinine clearance greater than 60 mL/min/1.73m^2 or normal age adjusted serum creatinine (less than or equal to 5 yrs. less than or equal to 0.8 mg/ml; 5-10 yrs. less than or equal to 1.0 mg/ml; 10-15 yrs. less than or equal to 1.2 mg/ml; greater than 15 yrs. less than or equal to 1.5 mg/ml).

- liver function: aspartate aminotransferase (AST) and alanine aminotransferase (ALT) less than 2.5 times upper limit of normal (ULN), bilirubin less than 1.5 ULN.

- hematologic function: absolute neutrophil count (ANC) greater than 750 cells/mcl, platelets greater than 50,000 cells/mcl.

D. Birth Control

Subjects of childbearing or child-fathering potential must be willing to use a medically acceptable form of birth control, which includes abstinence, while they are being treated on this study.

EXCLUSION CRITERIA: for Immunotherapy Portion of the Trial:

A. Other conditions

- Clinically significant unrelated systemic illness, such as serious infections or organ dysfunction, which in the judgment of the Principal or Associate Investigators would compromise the patient's ability to tolerate the investigational agents or are likely to interfere with the study procedures or results.

- Persistent or progressive cancer following the completion of the standard therapy phase of the trial will not, in and of itself, preclude receipt of immunotherapy. However, patients will not receive immunotherapy if they have an Eastern Cooperative Oncology Group (ECOG) performance status performance status of 3 or 4 or, for children less than or equal to 10 years of age, Lansky less than or equal to 50 (Appendix III). Furthermore, patients will be removed from the trial if they develop requirements for anti-neoplastic therapy (e.g. radiation therapy) for progressive disease during the trial as discussed in protocol.

- Women who are pregnant or lactating.

- Patients with human immunodeficiency virus infection, hepatitis B, or hepatitis C infection due to confounding effects on immune function.

- Patients who require chronic daily oral corticosteroid or other immunosuppressive therapy. Topical or inhaled corticosteroids are permitted. Also, a time limited course of steroids does for an unrelated medical condition (e.g. allergic reaction, poison ivy) will not preclude receipt of immunotherapy provided that two weeks elapse between the last dose of systemic corticosteroids and initiation of immunotherapy.

- Patients who are receiving other biologic therapies including cytokines or growth factors not specified by the protocol. Herbal supplements will not result in exclusion but should be noted and reviewed with the principal investigator (PI).

- Patients with a history of CNS metastases from cancer are not excluded provided that the metastatic CNS disease has been effectively treated and there is no evidence of active CNS disease as evidenced by stable clinical findings and stable radiographic findings for a period of 6 weeks.

- Excluded from Arm B:

- Patients with history of autoimmune disease (excluding thyroiditis on chronic thyroid replacement therapy) or active auto-immune disease, due to a risk of exacerbation of autoimmunity with r-hIL7. Patients with a history of B cell malignancy due to a risk for growth with rhIL7 therapy.

- Corrected QT interval (QTc) prolongation defined as a QTc greater than or equal to 470 ms or a prior history of cardiovascular disease, arrhythmias, or significant electrocardiogram (ECG) abnormalities.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Tumor Purged/CD25 Depleted Lymphocytes

Biological:
Tumor Purged/CD25 Depleted Lymphocytes with Tumor Lysate/KLH Pulsed Dendritic Cell Vaccine
Tumor lysate/KLH pulsed dendritic cells (minimum of 1 X 10e6 cells/kg) on Day2.
Drug:
rhIL-7
rhIL-7 (20 mcg/kg/dose SQ) approx. 48 hours prior to vaccine) Day 0, Day 14, Day 28 and Day 42
Biological:
Tumor Lysate/KLH Pulsed Dendritic Cell Vaccine
Tumor lysate/KLH Pulsed dendritic cell vaccine (1-5 X 10e7 cells/injection site, given in 3 sites intradermal) on Day 2, Day 16, Day 30, Day 44, Day 56, Day 70.

Locations

Country Name City State
United States National Institutes of Health Clinical Center, 9000 Rockville Pike Bethesda Maryland

Sponsors (1)

Lead Sponsor Collaborator
National Cancer Institute (NCI)

Country where clinical trial is conducted

United States, 

References & Publications (3)

Arndt CA, Crist WM. Common musculoskeletal tumors of childhood and adolescence. N Engl J Med. 1999 Jul 29;341(5):342-52. Review. — View Citation

Barker LM, Pendergrass TW, Sanders JE, Hawkins DS. Survival after recurrence of Ewing's sarcoma family of tumors. J Clin Oncol. 2005 Jul 1;23(19):4354-62. Epub 2005 Mar 21. — View Citation

La TH, Meyers PA, Wexler LH, Alektiar KM, Healey JH, Laquaglia MP, Boland PJ, Wolden SL. Radiation therapy for Ewing's sarcoma: results from Memorial Sloan-Kettering in the modern era. Int J Radiat Oncol Biol Phys. 2006 Feb 1;64(2):544-50. Epub 2005 Sep 28. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Number of Participants With a Positive Immune Response as Evidenced by the Delayed Type of Hypersensitivity (DTH) Reaction Assay A positive response to the tumor vaccine requires a positive reaction in at least one of the two assays below (immune responses to tumor lysates using ex vivo and delayed type of hypersensitivity (DTH).
The presence of a positive delayed type of hypersensitivity (DTH) reaction to the tumor lysate in a patient who did not show a positive DTH reaction prior to immunotherapy. A positive reaction is induration of at least 0.5 cm.
Immunotherapy administered to patients with recurrent or metastatic pediatric solid tumors such as Ewing's sarcoma, rhabdomyosarcoma, or neuroblastoma. Each vaccine is given as 6 separate injections. Three intradermal on one arm or leg and three subcutaneous on the other arm or leg.
Week 8, 14, 20 (Arm A) and on Days 42, 84 and 126 (± 7 days) (Arm B)
Primary Toxicity Here is the number of participants with adverse events. For a detailed list of adverse events, see the adverse event module. Date treatment consent signed to date off study, approximately 49.5 months
Primary Overall Survival Overall survival is defined as the time between the first day of treatment to the day of death. Time between the first day of treatment to the day of death or at the conclusion of 5 years of follow-up, whichever comes first, assessed up to approximately 11 years.
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