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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT02580981
Other study ID # INST UNM 1503
Secondary ID
Status Terminated
Phase N/A
First received
Last updated
Start date July 28, 2016
Est. completion date October 20, 2022

Study information

Verified date January 2024
Source New Mexico Cancer Care Alliance
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Previous work performed by University of New Mexico Comprehensive Cancer Center (UNMCCC) investigators has revealed previously unknown genomic mutations in children, adolescents, and young adults with high-risk B and T cell precursor acute lymphoblastic leukemia (ALL). Using genomic and next generation DNA sequencing technologies, these investigators revealed that 14% of children with high-risk ALL have "Philadelphia chromosome-like" ("Ph-like") ALL. Patients with this form of ALL were found to have a significantly increased risk of treatment failure and death. Further work revealed that there are more than 40 distinct gene rearrangements and fusions that can result in Ph-like ALL. Cell lines and human leukemic cells expressing some of these different gene fusions were sensitive to currently available drugs. This suggests that Ph-like ALL patients with these specific distinct gene fusions should be targeted in future clinical trials to be treated with appropriate therapy. Further work is also needed to identify other potentially targetable genetic alterations in ALL patients. Therefore, the goal of this study is to perform genomic screening of all newly diagnosed ALL patients seen at UNM and to use this information to enroll patients onto available National Clinical Trial Network (NCTN) clinical trials. If an appropriate NCTN trial is not available, best clinical management will be pursued.


Description:

The work performed by UNMCCC investigators and others as described briefly above has provided major insights into the biologic and clinical features and the genomic landscape of Ph-like ALL, which is strikingly heterogeneous. Gene expression profiling and RNA/transcriptomic, exome, and whole genome sequencing have identified several distinct subclasses of kinase activating lesions in 91% of the Ph-like ALL cases studied to date, most commonly kinase and cytokine receptor gene rearrangements and fusions. UNMCCC investigators are now collaborating with Children's Oncology Group (COG) and the adult National Cancer Institute (NCI) Cooperative Groups (Southwest Oncology Group (SWOG), Eastern Cooperative Oncology Group (ECOG) - American College of Radiology Imaging Network (ACRIN), The Alliance) to develop national clinical trials for pediatric, adolescent and young adult (AYA), and adult ALL patients that incorporate their genomic diagnostic screens, molecular diagnostics, and next generation sequencing studies to identify underlying genomic lesions in ALL and target patients to appropriate therapeutic regimens. In this feasibility study, next generation sequencing (NGS) technologies will inform an acute lymphoblastic leukemia risk classification system, which may be adapted to identify patients who might benefit from targeted therapies; such patients will be targeted to NCTN National Treatment trials or UNMCCC-sponsored trials where appropriate, through detailed genomic data analysis performed under College of American Pathologists (CAP)/CLIA conditions and in individual case discussions in a Molecular Tumor Board. In addition, the association of race and ethnicity with the spectrum of ALL-associated genomic mutations in the New Mexico and regional ALL population, which includes a significant proportion of underrepresented minorities, will be studied. This may ultimately allow for the development of an ancestry-based risk classification system.


Recruitment information / eligibility

Status Terminated
Enrollment 21
Est. completion date October 20, 2022
Est. primary completion date March 19, 2022
Accepts healthy volunteers No
Gender All
Age group N/A and older
Eligibility Inclusion Criteria: - New diagnosis of Acute Lymphoblastic Leukemia - No previous therapy, excluding emergency radiation, steroids or intrathecal cytarabine - Any age - Ability to understand and the willingness to sign a written informed consent document. Exclusion Criteria: - Previous therapy, excluding emergency radiation, steroids or intrathecal cytarabine - Not willing to obtain cancer care at the University of New Mexico

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Acute Lymphobastic Leukemia (ALL) Treatment Options
Depending on the genomic testing results, patients with targetable genomic lesions will be enrolled onto available national clinical trials that are sponsored by the NCI National Clinical Trials Network (NCTN) (COG and other adult NCI Cooperative Groups). If no suitable NCTN trial exists, appropriate therapeutic regimens (including currently accepted standards-of-care), alterations in therapy, or treatment with targeted agents to specific genomic lesions will be considered.

Locations

Country Name City State
United States University of New Mexico Comprehensive Cancer Center Albuquerque New Mexico

Sponsors (1)

Lead Sponsor Collaborator
New Mexico Cancer Care Alliance

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary ALL characterization: Low Density Array Newly diagnosed ALL patients at UNMCCC will undergo Low Density Array (LDA) card screening (a gene expression classifier for Ph-like ALL) at initial diagnosis. The proportion of LDA status (positive vs. negative) and its 95% confidence interval will be calculated based on the exact binomial distribution. 3 years
Primary ALL characterization: Next Generation Sequencing Newly diagnosed ALL patients at UNMCCC will undergo Next Generation Sequencing (NGS) at initial diagnosis. NGS (exomic and transcriptomic) of a sufficient read depth (500-700x) will be employed to detect clonal heterogeneity at diagnosis. Statistical analysis will be primarily descriptive (e.g. frequency (proportion) of various mutations will be calculated). 3 years
Primary ALL characterization: SNP analysis Newly diagnosed ALL patients at UNMCCC will undergo Molecular Determination of Genetic Ancestry (using a panel of single nucleotide polymorphisms (SNPs)) at initial diagnosis. Statistical analysis will be primarily descriptive (e.g. frequency (proportion) of SNPs and genetic ancestry groups will be calculated) 3 years
Secondary Relationship of patient characteristics to trial enrollment Genetic and molecular characterization as described for the Primary Outcome Measures will be summarized for patients who are enrolled on NCTN clinical trials and for those who are not enrolled on NCTN clinical trials. The two group comparisons (NCTN vs. non-NCTN) will be tested using non-parametric approach such as Wilcoxon sum rank test. 3 years
Secondary Relationship between race/ethnicity and outcome Time-to-event data (such as Progression free survival (PFS), determined clinically) will be summarized using Kaplan-Meier curves along with log-rank test by the treatment groups as well as race/ethnicity determined through molecular assessment of genetic ancestry as described in Primary Outcome Measure 3. Multivariable Cox Proportional Hazards model will also be explored for PFS with treatment and/or ethnicity variables. 3 years
Secondary Feasibility of discovering molecular features in ALL with therapeutic relevance Feasibility will be assessed by calculation of the following statistics: percent of patients who enrolled in NCTN trials, percent of patients with minimal residual disease (MRD) that are completely evaluated over time, percent of patients for whom molecularly characterization is feasible and informative over the treatment course. All estimated proportions will be accompanied by exact 95% confidence intervals 3 years
Secondary Minimal Residual Disease (MRD) evaluation End-induction Minimal Residual Disease (MRD) will be performed using a Clinical Laboratory Improvement Amendments (CLIA)-approved flow-cytometric assay at the Children's Oncology Group University of Washington Reference Laboratory. Molecular MRD will also be determined using research-based deep sequencing. MRD repeatedly measured across time points will be summarized using descriptive statistics (bar graph for High vs. Low status). Associations between the MRD and the treatment groups (LAD Positive vs. LAD Negative for NCTN and Non-NCTN treatment groups), using the exact Pearson Chi-Square test with Monte Carlo simulation at each time point will be assessed. 3 years
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