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NCT Number: NCT07652580

Toxin Exposure and Immune Dysregulation in Non-Hodgkin Lymphoma

The goal of this observational cohort study is to learn how toxin and occupational exposures, germline genetic variation, and immune dysregulation relate to B-cell non-Hodgkin lymphoma among active-duty service members and other Military Health System beneficiaries. The main questions are whether specific exposures and germline variants are associated with B-cell NHL subtype, immune dysfunction, and clinical outcomes. Participants will complete exposure and medical-history surveys, provide biospecimens for immune and genomic testing, and may be followed annually for up to 3 years.

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Key information

Age range

4 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Uniformed Services University of the Health Sciences, Bethesda, Maryland, United States

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About this study

This prospective observational registry and biorepository study evaluates the relationship between occupational/environmental toxin exposures, immune dysregulation, and germline genetic susceptibility in active-duty service members (ADSMs) and other Military Health System (MHS) beneficiaries with B-cell non-Hodgkin lymphoma (NHL). Participants will be enrolled into one of three cohorts based on disease status and age, including individuals in remission, newly diagnosed adults, and treatment-naïve pediatric patients.

The study will collect clinical, epidemiologic, immunologic, and genomic data longitudinally for up to 3 years. Participants will complete standardized surveys assessing demographics, military history, occupational/environmental exposures, medical history, and family history. Additional military exposure data may be obtained from the Department of Defense Individual Longitudinal Exposure Record (ILER).

Clinical data abstracted from the electronic medical record will include lymphoma subtype, staging, pathology, treatment history, laboratory values, infectious complications, immune phenotyping, treatment response, recurrence, second malignancies, and survival outcomes.

Biospecimens may include peripheral blood, skin fibroblasts, residual tumor tissue, bone marrow aspirate, and archived serum samples from the Department of Defense Serum Repository (DODSR). Germline and somatic genomic analyses will be performed using next-generation sequencing platforms, including whole genome sequencing. Immunologic analyses may include lymphocyte subsets, B-cell phenotyping, T-cell phenotyping, activation markers, cytokine profiling, and functional immune assays.

The primary objectives are to characterize toxin exposures and immune dysregulation in B-cell NHL, identify germline pathogenic variants associated with lymphoma susceptibility, and establish a comprehensive longitudinal database and biospecimen repository for future translational research. Exploratory analyses will evaluate relationships among environmental exposures, genomic variants, immune phenotypes, lymphoma subtype, and clinical outcomes.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Age 4 years old and older with a clinical diagnosis of B-cell NHL.
  • Must be willing to undergo phlebotomy and/or skin punch biopsy.
  • Must be willing to undergo whole genome sequencing, which includes return of primary and secondary findings.

Exclusion criteria

  • Has any condition that, in the opinion of the Principal Investigator, contraindicates participation in this study. Examples of situation that may contraindicate participation include but are not limited to a) some cases of cerebral vascular accidents where an individual no longer has the capacity to make their own medical decisions and a conservator or responsible family member is not available and b) an individual has active suicidal ideation and is a danger to themselves at the time of enrollment.
  • Does not have access to health care and primary care clinician.
  • Actively undergoing induction treatment for NHL.

Treatment and study plan

Primary outcomes

  1. Aim 1: Characterize occupational exposures and their impact on health outcomes and immune health of ADSMs and other MHS beneficiaries with B-cell NHL.

    Time frame: 3 years

    • Characterize and determine the prevalence of various toxin and occupational exposures in ADSMs and other MHS beneficiaries with B-cell NHL (Cohorts 1-3).
    • Characterize the B-cell NHL subtypes and health outcomes of NHL in ADSMs and other MHS beneficiaries (Cohorts 1-3).
    • Characterize immune dysregulation in ADSMs and other MHS beneficiaries with B-cell NHL. Immune dysregulation could be characterized by humoral vs cellular defects as well as innate vs adaptive defects among others (Cohorts 2-3).
  2. Aim 2: Identify and interpret germline variants in ADSMs and other MHS beneficiaries with B-cell NHL.

    Time frame: 3 years

    • Determine the relative frequency of germline pathogenic/likely pathogenic variants in MHS beneficiaries with B-cell NHL (Cohorts 1-3).
  3. Aim 3: Create a comprehensive database and biorepository of ADSMs and other MHS beneficiaries with B-cell NHL.

    Time frame: 3 years

    • Create a database compiling clinical information, toxin exposure, military history (if applicable), and health outcomes (Cohorts 1-3).
    • Create a biorespository of peripheral blood (Cohorts 1-3).

Secondary outcomes

  1. Exploratory Endpoints

    Time frame: 3 years

    • Determine the relative frequency of somatic tumor mutations in MHS beneficiaries and analyze the association with germline variants (Cohorts 1-3).
    • Characterize pre-diagnostic serum of ADSMs and analyze their association with clinical outcomes, tumor subtype, and subsequent immune dysregulation.

Study contacts

Contact information is provided by the study sponsor or research team.

Christin B. Destefano, MD, Lt Col, MC, USAF

CONTACT

[email protected]

(301) 295-3190

W. Grant Day, MD, LCDR, MC, USN

CONTACT

[email protected]

(757) 953-2194

Sponsors and collaborators

Lead sponsor

Henry M. Jackson Foundation for the Advancement of Military Medicine

Other

Collaborators

  • Children's Hospital Medical Center, Cincinnati
  • Murtha Cancer Center
  • The American Genome Center
  • Uniformed Services University of the Health Sciences
  • United States Naval Medical Center, Portsmouth
  • Walter Reed National Military Medical Center

Registry information

Official study title

Toxin Exposure and Immune Dysregulation in Non-Hodgkin Lymphoma Across the Military Healthcare System

Acronym: TOXNHL

Important dates

Study start
2025
Primary completion
2028
Study completion
2028
First posted
Jun 17, 2026
Registry last updated
Jun 17, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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