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  1. Article ; Online: Neuroblastoma: clinical and biological approach to risk stratification and treatment.

    Tolbert, Vanessa P / Matthay, Katherine K

    Cell and tissue research

    2018  Volume 372, Issue 2, Page(s) 195–209

    Abstract: Neuroblastoma is the most common extra-cranial solid tumor of childhood and the most common in the first year of life. It is a unique malignancy in that infants often present with either localized or metastatic disease that can spontaneously regress ... ...

    Abstract Neuroblastoma is the most common extra-cranial solid tumor of childhood and the most common in the first year of life. It is a unique malignancy in that infants often present with either localized or metastatic disease that can spontaneously regress without intervention while older children can succumb to the disease after months to years of arduous therapy. Given this wide range of outcomes, the International Neuroblastoma Risk Group was created to stratify patients based on presenting characteristics and tumor biology in order to guide intensity of treatment strategies. The goal has been to decrease therapy for low-risk patients to avoid long-term complications while augmenting and targeting therapies for high-risk patients to improve overall survival. The international risk stratification depends on age, stage, histology, MYCN gene amplification status, tumor cell ploidy and segmental chromosomal abnormalities. Treatment for asymptomatic low-risk patients with an estimated survival of > 98% is often observation or surgical resection alone, whereas intermediate-risk patients with an estimated survival of > 90% require moderate doses of response-adjusted chemotherapy along with resection. High-risk patients undergo multiple cycles of combination chemotherapy before surgery, followed by consolidation with myeloablative autologous hematopoietic stem cell transplantation and local radiation and finally immunotherapy with differentiation therapy as maintenance phase. With this approach, outcome for patients with neuroblastoma has improved, as the field continues to expand efforts in more targeted therapies for high-risk patients.
    MeSH term(s) Disease-Free Survival ; Early Detection of Cancer ; Humans ; Neoplasm Staging ; Neuroblastoma/pathology ; Neuroblastoma/therapy ; Risk Assessment ; Risk Factors
    Language English
    Publishing date 2018-03-23
    Publishing country Germany
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't ; Review
    ZDB-ID 125067-x
    ISSN 1432-0878 ; 0302-766X
    ISSN (online) 1432-0878
    ISSN 0302-766X
    DOI 10.1007/s00441-018-2821-2
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Neuroblastoma: clinical and biological approach to risk stratification and treatment

    Tolbert, VanessaP / Matthay, KatherineK

    Cell and tissue research. 2018 May, v. 372, no. 2

    2018  

    Abstract: Neuroblastoma is the most common extra-cranial solid tumor of childhood and the most common in the first year of life. It is a unique malignancy in that infants often present with either localized or metastatic disease that can spontaneously regress ... ...

    Abstract Neuroblastoma is the most common extra-cranial solid tumor of childhood and the most common in the first year of life. It is a unique malignancy in that infants often present with either localized or metastatic disease that can spontaneously regress without intervention while older children can succumb to the disease after months to years of arduous therapy. Given this wide range of outcomes, the International Neuroblastoma Risk Group was created to stratify patients based on presenting characteristics and tumor biology in order to guide intensity of treatment strategies. The goal has been to decrease therapy for low-risk patients to avoid long-term complications while augmenting and targeting therapies for high-risk patients to improve overall survival. The international risk stratification depends on age, stage, histology, MYCN gene amplification status, tumor cell ploidy and segmental chromosomal abnormalities. Treatment for asymptomatic low-risk patients with an estimated survival of > 98% is often observation or surgical resection alone, whereas intermediate-risk patients with an estimated survival of > 90% require moderate doses of response-adjusted chemotherapy along with resection. High-risk patients undergo multiple cycles of combination chemotherapy before surgery, followed by consolidation with myeloablative autologous hematopoietic stem cell transplantation and local radiation and finally immunotherapy with differentiation therapy as maintenance phase. With this approach, outcome for patients with neuroblastoma has improved, as the field continues to expand efforts in more targeted therapies for high-risk patients.
    Keywords cell transplantation ; childhood ; children ; chromosome aberrations ; drug therapy ; gene amplification ; hematopoietic stem cells ; histology ; immunotherapy ; infants ; metastasis ; neoplasm cells ; patients ; ploidy ; resection ; risk assessment
    Language English
    Dates of publication 2018-05
    Size p. 195-209.
    Publishing place Springer Berlin Heidelberg
    Document type Article
    Note Review
    ZDB-ID 125067-x
    ISSN 1432-0878 ; 0302-766X
    ISSN (online) 1432-0878
    ISSN 0302-766X
    DOI 10.1007/s00441-018-2821-2
    Database NAL-Catalogue (AGRICOLA)

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  3. Article ; Online: Genetic susceptibility to neuroblastoma.

    Tolbert, Vanessa P / Coggins, Grace E / Maris, John M

    Current opinion in genetics & development

    2017  Volume 42, Page(s) 81–90

    Abstract: Until recently, the genetic basis of neuroblastoma, a heterogeneous neoplasm arising from the developing sympathetic nervous system, remained undefined. The discovery of gain-of-function mutations in the ALK receptor tyrosine kinase gene as the major ... ...

    Abstract Until recently, the genetic basis of neuroblastoma, a heterogeneous neoplasm arising from the developing sympathetic nervous system, remained undefined. The discovery of gain-of-function mutations in the ALK receptor tyrosine kinase gene as the major cause of familial neuroblastoma led to the discovery of identical somatic mutations and rapid advancement of ALK as a tractable therapeutic target. Inactivating mutations in a master regulator of neural crest development, PHOX2B, have also been identified in a subset of familial neuroblastomas. Other high penetrance susceptibility alleles likely exist, but together these heritable mutations account for less than 10% of neuroblastoma cases. A genome-wide association study of a large neuroblastoma cohort identified common and rare polymorphisms highly associated with the disease. Ongoing resequencing efforts aim to further define the genetic landscape of neuroblastoma.
    MeSH term(s) Alleles ; Genetic Predisposition to Disease ; Genome-Wide Association Study ; Homeodomain Proteins/genetics ; Humans ; Mutation ; Neuroblastoma/genetics ; Neuroblastoma/pathology ; Polymorphism, Single Nucleotide ; Receptor Protein-Tyrosine Kinases/genetics ; Transcription Factors/genetics
    Chemical Substances Homeodomain Proteins ; NBPhox protein ; Transcription Factors ; Receptor Protein-Tyrosine Kinases (EC 2.7.10.1) ; anaplastic lymphoma kinase (EC 2.7.10.1)
    Language English
    Publishing date 2017-02
    Publishing country England
    Document type Journal Article ; Review
    ZDB-ID 1077312-5
    ISSN 1879-0380 ; 0959-437X
    ISSN (online) 1879-0380
    ISSN 0959-437X
    DOI 10.1016/j.gde.2017.03.008
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Risk Factors for Transplant-Associated Thrombotic Microangiopathy after Autologous Hematopoietic Cell Transplant in High-Risk Neuroblastoma.

    Tolbert, Vanessa P / Dvorak, Christopher C / Golden, Carla / Vissa, Madhav / El-Haj, Nura / Perwad, Farzana / Matthay, Katherine K / Vo, Kieuhoa T

    Biology of blood and marrow transplantation : journal of the American Society for Blood and Marrow Transplantation

    2019  Volume 25, Issue 10, Page(s) 2031–2039

    Abstract: High-risk neuroblastoma has a poor prognosis, and research studies have shown that increasing the intensity of therapy improves outcomes. Autologous hematopoietic cell transplant (aHCT) as consolidation therapy confers a significant survival advantage ... ...

    Abstract High-risk neuroblastoma has a poor prognosis, and research studies have shown that increasing the intensity of therapy improves outcomes. Autologous hematopoietic cell transplant (aHCT) as consolidation therapy confers a significant survival advantage but is accompanied by significant morbidity. Transplant-associated thrombotic microangiopathy (TA-TMA) is a life-threatening complication caused by endothelial injury that often leads to hemolytic anemia, microthrombotic platelet consumption, and renal injury. Here we investigated the incidence, potential risk factors, and sequelae of TA-TMA in patients with high-risk neuroblastoma. We conducted a retrospective chart review of all patients (n = 141) with neuroblastoma in our institutions who underwent aHCT from 2000 to 2017. Ten patients (7%) developed TA-TMA. The patients in the TA-TMA group were similar to the rest of the subjects in demographics, disease burden, prior therapies, renal function, and timing of transplant. The type of conditioning regimen was the only statistically significant pretransplant variable (P < .001). Six of 15 patients (40%) intended to receive tandem transplants (cyclophosphamide/thiotepa and then carboplatin/etoposide/melphalan (CEM)), 4 of 68 patients (6%) who received conditioning with single CEM, and none of the 56 patients who received busulfan/melphalan were diagnosed with TA-TMA. Patients with TA-TMA were more likely to require intensive care unit transfer, have a longer length of stay in the hospital, and experience a delay or change in their subsequent therapy. In our cohort overall, patients with a delay in therapy after transplant appeared to have a worse overall survival, although the difference was not statistically significant. Because of this high incidence and significant morbidity, we have implemented standardized screening for TA-TMA during and after transplant. We anticipate that screening will lead to earlier intervention and decreased severity of disease.
    MeSH term(s) Child, Preschool ; Female ; Hematopoietic Stem Cell Transplantation/adverse effects ; Humans ; Infant ; Male ; Risk Factors ; Thrombotic Microangiopathies/etiology ; Thrombotic Microangiopathies/pathology ; Transplantation Conditioning/adverse effects ; Transplantation, Autologous/adverse effects
    Language English
    Publishing date 2019-06-12
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 1474865-4
    ISSN 1523-6536 ; 1083-8791
    ISSN (online) 1523-6536
    ISSN 1083-8791
    DOI 10.1016/j.bbmt.2019.06.006
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Treatment-related adverse events associated with a modified UK ALLR3 induction chemotherapy backbone for childhood relapsed/refractory acute lymphoblastic leukemia.

    Sun, Weili / Orgel, Etan / Malvar, Jemily / Sposto, Richard / Wilkes, Jennifer J / Gardner, Rebecca / Tolbert, Vanessa P / Smith, Alison / Hur, Minjun / Hoffman, Jill / Rheingold, Susan R / Burke, Michael J / Wayne, Alan S

    Pediatric blood & cancer

    2016  Volume 63, Issue 11, Page(s) 1943–1948

    Abstract: Background: The UK ALLR3 (R3) regimen has been adopted to treat pediatric relapsed acute lymphoblastic leukemia (ALL) by many centers in the United States and has become a preferred therapeutic backbone for testing novel agents in clinical trials. A ... ...

    Abstract Background: The UK ALLR3 (R3) regimen has been adopted to treat pediatric relapsed acute lymphoblastic leukemia (ALL) by many centers in the United States and has become a preferred therapeutic backbone for testing novel agents in clinical trials. A detailed toxicity profile of this platform has not previously been reported. The toxicity and response rates for its use beyond first relapse are unknown.
    Procedures: We performed a multi-institutional, retrospective study including children with relapsed ALL treated with the R3 reinduction chemotherapy backbone block 1 across five pediatric centers. Data were extracted from medical records and analyzed.
    Results: Fifty-nine patients were included in the study, including 16 patients with ≥2nd relapse. Ninety-seven percent of patients experienced at least one Grade ≥3 nonhematologic adverse event (AE). Grade 3 or higher infection was reported in 90% of patients. Other nonhematologic Grade ≥3 AEs included electrolyte abnormalities, elevation in hepatic enzymes, and pain. Eighty-five percent of patients achieved a complete remission (CR). There were no significant differences in the incidence of AEs, CR rate, and rate of minimal residual disease negativity between patients with 1st or ≥2nd relapse.
    Conclusion: Our study confirmed that R3 block 1 is a highly active reinduction regimen in childhood relapsed ALL. However, it was associated with a high incidence of severe toxicities, particularly infection. The toxicity profiled in our report should be used to inform optimal supportive care and future clinical trial design with the R3 backbone, particularly when new agents are combined with this regimen.
    MeSH term(s) Adolescent ; Adult ; Antineoplastic Combined Chemotherapy Protocols/adverse effects ; Antineoplastic Combined Chemotherapy Protocols/therapeutic use ; Child ; Child, Preschool ; Female ; Humans ; Induction Chemotherapy ; Infant ; Male ; Precursor Cell Lymphoblastic Leukemia-Lymphoma/drug therapy ; Precursor Cell Lymphoblastic Leukemia-Lymphoma/mortality ; Retrospective Studies
    Language English
    Publishing date 2016-07-20
    Publishing country United States
    Document type Journal Article ; Multicenter Study
    ZDB-ID 2131448-2
    ISSN 1545-5017 ; 1545-5009
    ISSN (online) 1545-5017
    ISSN 1545-5009
    DOI 10.1002/pbc.26129
    Database MEDical Literature Analysis and Retrieval System OnLINE

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