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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06339177
Other study ID # 10001899
Secondary ID 001899-I
Status Recruiting
Phase
First received
Last updated
Start date June 26, 2024
Est. completion date April 1, 2031

Study information

Verified date June 4, 2024
Source National Institutes of Health Clinical Center (CC)
Contact Joseph M Rocco, M.D.
Phone (301) 312-2858
Email joseph.rocco@nih.gov
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Background: Hemophagocytic lymphohistiocytosis (HLH) is a disease caused by disrupted immune function. People with HLH are prone to fevers and illnesses, which can be fatal. Some people develop a genetic form of this disease (pHLH), but researchers do not understand why some other people develop a nongenetic form (sHLH). They also do not have good ways to diagnose and treat sHLH. Objective: To learn about sHLH and why some people get it and others do not. Eligibility: Adults aged 18 years and older with sHLH. Design: Participants will be admitted to the study based on a review of their medical records. Those who join will have at least 3 clinical evaluations over 9 to 12 months. These may occur during an inpatient hospitalization if they require medical care or in the outpatient clinic. Participants will also have a physical exam at each visit. Up to half a cup of blood will be drawn at each visit. Participants may also have their blood drawn by their own doctors, who will send the samples to the researchers. Researchers may also contact these participants by telephone or video calls. The blood will be used for clinical tests as well as research. No new treatments will be administered as part of this study; however, standard medications and treatments may be recommended. Participants may opt to continue their visits once a year for 3 more years. Participants may also opt for an extra clinial evaluation 1 week after starting a new treatment....


Description:

Study Description: The purpose of this natural history study is to study the immunopathogenesis of secondary hemophagocytic lymphohistiocytosis (sHLH). This will include detailed longitudinal clinical and immunologic characterization of sHLH, as well as mechanistic studies evaluating inflammasome activation, cytotoxicity, and JAK-STAT signaling. Participants with sHLH will undergo clinical assessment and management along with three research blood draws with the option for additional blood draws at time points such as post-immunosuppressive treatment or treatment escalation and during longer-term follow-up. Participation may be in person or remote, with blood collected and processed locally then shipped to the NIH. Longitudinal clinical information will be recorded, and standard of care will be offered as needed. Primary Objective: To study the immunopathogenesis of sHLH from various etiologies including biomarkers, cellular phenotypes, and gene expression to determine mechanistic pathways that may be amenable to host-directed therapies. Secondary Objectives: - To prospectively and longitudinally characterize the predisposing conditions, clinical features, acute triggers, clinical labs, and outcomes of a cohort of individuals meeting sHLH criteria. - To compare biomarkers and immune profiles between the classically defined sHLH subgroups (malignancy, autoimmune, immune-therapy, infectious-triggered, unknown etiology). - To evaluate for novel immunologic subsets of sHLH with unsupervised analyses using a multi-omic approach, including single-cell transcriptomics and proteomics. - To evaluate for rare, protein-altering variants in genes associated with cytotoxicity, inflammasome activation, or immunoregulation via (optional) co-enrollment in NIAID Centralized Sequencing protocol. Primary Endpoint: Identify immunologic mechanisms involved in the pathogenesis of sHLH from a variety of predisposing conditions. Secondary Endpoints: - Characterize the longitudinal clinical course of sHLH, including relapse rates and predictors of key clinical outcomes at one year after diagnosis. - Identify differences in clinical and/or immunologic profiles between sHLH subgroups (malignancy, autoimmune, immune-therapy, infectious-triggered, unknown etiology). - To evaluate for novel immunologic profiles in sHLH using multi-omic unsupervised analyses. - Identify new genetic determinants of susceptibility to sHLH in the setting of different predisposing conditions.


Recruitment information / eligibility

Status Recruiting
Enrollment 200
Est. completion date April 1, 2031
Est. primary completion date October 1, 2030
Accepts healthy volunteers No
Gender All
Age group 18 Years to 120 Years
Eligibility - INCLUSION CRITERIA: - Aged 18 years or older. - Active sHLH defined by meeting any published criteria, per Table 1: - Meeting the HLH-2004 criteria. - HScore of >168. For those without a bone marrow biopsy to evaluate for hemophagocytosis (worth 35 points in the criteria), HScore>134 will be used. - For those with underlying rheumatologic disease: meeting the 2016 American College of Rheumatology criteria for macrophage activation syndrome. - Able to provide informed consent. - Agree to storage and sharing of study data and biospecimens for future research use. Table 1: Published Criteria for HLH HLH-2004 Criteria: Molecular diagnosis of HLH OR At least 5 of 8 below criteria: - Fever (>38.4 Degrees Celcius) - Splenomegaly - Cytopenias affecting >=2 of 3 lineages: Hgb <9 g/dL, platelets <10^5/microliter, neutrophils <10^6/microliter - Hypertriglyceridemia (>256 mg/dL) and/or fibrinogen <1.5 g/L - Hemophagocytosis on biopsy - Serum ferritin >=500 ng/mL - Increased serum sCD25 (>2400 U/mL) - Low or absent NK cell activity HScore: Known immunosuppression: 0 (no) or 18 (yes) Temperature (degrees, Celsius): 0 (<38.4), 33 (38.4-39.4), 49 (>39.4) Organomegaly: 0 (no), 23 (liver/spleen), 38 (both) Number of cytopenias: 0 (1 lines), 24 (2 lines), 34 (3 lines) Ferritin (ng/mL): 0 (<2000), 35 (2000-6000), 50 (>6000) Triglycerides (mg/dL): 0 (<1.5), 44 (1.5-4), 66 (>4) Fibrinogen (g/L): 0 (>2.5), 30 (<2.5) AST (IU/mL): 0 (<30), 19 (>30) Hemophagocytosis: 0 (no) or 35 (yes) Cutoff value=169 ACR 2016-MAS Criteria: A febrile patient with known or suspected sJIA is classified as having macrophage activation syndrome if the following criteria are met: Ferritin >684 ng/mL AND any 2 of the following: - Platelets <=181,000/microliter - AST >48 IU/mL - Triglycerides >156 mg/dL - Fibrinogen <=3.6 g/L Abbreviations: ACR, American College of Rheumatology; AST, aspartate transaminase; Hgb, hemoglobin; HLH, hemophagocytic lymphohistiocytosis; MAS, macrophage activation syndrome; NK, natural killer, sJIA, systemic juvenile idiopathic arthritis. EXCLUSION CRITERIA: An individual who meets any of the following criteria will be excluded from participation in this study: - Currently pregnant. - Any condition that, in the judgment of the investigator, may put the participant at undue risk or make them unsuitable for participation in the study.

Study Design


Related Conditions & MeSH terms


Locations

Country Name City State
United States National Institutes of Health Clinical Center Bethesda Maryland

Sponsors (1)

Lead Sponsor Collaborator
National Institute of Allergy and Infectious Diseases (NIAID)

Country where clinical trial is conducted

United States, 

References & Publications (4)

Jordan MB, Allen CE, Greenberg J, Henry M, Hermiston ML, Kumar A, Hines M, Eckstein O, Ladisch S, Nichols KE, Rodriguez-Galindo C, Wistinghausen B, McClain KL. Challenges in the diagnosis of hemophagocytic lymphohistiocytosis: Recommendations from the North American Consortium for Histiocytosis (NACHO). Pediatr Blood Cancer. 2019 Nov;66(11):e27929. doi: 10.1002/pbc.27929. Epub 2019 Jul 24. — View Citation

Rocco JM, Laidlaw E, Galindo F, Anderson M, Rupert A, Higgins J, Sortino O, Ortega-Villa AM, Sheikh V, Roby G, Kuriakose S, Lisco A, Manion M, Sereti I. Severe Mycobacterial Immune Reconstitution Inflammatory Syndrome (IRIS) in Advanced Human Immunodeficiency Virus (HIV) Has Features of Hemophagocytic Lymphohistiocytosis and Requires Prolonged Immune Suppression. Clin Infect Dis. 2023 Feb 8;76(3):e561-e570. doi: 10.1093/cid/ciac717. — View Citation

Rocco JM, Laidlaw E, Galindo F, Anderson M, Sortino O, Kuriakose S, Lisco A, Manion M, Sereti I. Mycobacterial Immune Reconstitution Inflammatory Syndrome in HIV is Associated With Protein-Altering Variants in Hemophagocytic Lymphohistiocytosis-Related Genes. J Infect Dis. 2023 Jul 14;228(2):111-115. doi: 10.1093/infdis/jiad059. — View Citation

Shakoory B, Geerlinks A, Wilejto M, Kernan K, Hines M, Romano M, Piskin D, Ravelli A, Sinha R, Aletaha D, Allen C, Bassiri H, Behrens EM, Carcillo J, Carl L, Chatham W, Cohen JI, Cron RQ, Drewniak E, Grom AA, Henderson LA, Horne A, Jordan MB, Nichols KE, Schulert G, Vastert S, Demirkaya E, Goldbach-Mansky R, de Benedetti F, Marsh RA, Canna SW; HLH/MAS task force. The 2022 EULAR/ACR points to consider at the early stages of diagnosis and management of suspected haemophagocytic lymphohistiocytosis/macrophage activation syndrome (HLH/MAS). Ann Rheum Dis. 2023 Oct;82(10):1271-1285. doi: 10.1136/ard-2023-224123. Epub 2023 Jul 24. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Identify immunologic mechanisms involved in the pathogenesis of sHLH from a variety of predisposing conditions. To study the immunopathogenesis of sHLH from various etiologies including biomarkers, cellular phenotypes, and gene expression to determine mechanistic pathways that may be amenable to host-directed therapies. Through end of study.
Secondary Prospectively define acute and longitudinal clinical profiles that predict key clinical outcomes. To prospectively and longitudinally characterize the predisposing conditions, clinical features, acute triggers, clinical labs, and outcomes of a cohort of individuals meeting sHLH criteria. Through end of study.
Secondary Compare clinical and immune profiles between the classically defined HLH subgroups. To compare biomarkers and immune profiles between the classically defined sHLH subgroups (malignancy, autoimmune, immune-therapy, infectious-triggered, unknown etiology). Through end of study.
Secondary Improve the understanding of the pathogenesis of sHLH. To evaluate for novel immunologic subsets of sHLH with unsupervised analyses using a multi-omic approach, including single-cell transcriptomics and proteomics. Through end of study.
Secondary Characterize risk factors to identify populations at risk for developing sHLH. To evaluate for rare, protein-altering variants in genes associated with cytotoxicity, inflammasome activation, or immunoregulation via (optional) co-enrollment in NIAID Centralized Sequencing protocol. Through end of study.
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