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Study Protocol: Study on Incidence and Risk Factors of Mold Infections in Children During Leukemia Treatment

Incidence and Risk Factors for Invasive Mold Infections in Children During First-Line Chemotherapy for Primary Acute Leukemia: Protocol for a National Retrospective Cohort Study

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT05774990
Enrollment
621
Registered
2023-03-20
Start date
2023-04-01
Completion date
2025-10-26
Last updated
2026-05-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Acute Lymphoblastic Leukemia, Leukemia, Myeloid, Acute

Keywords

leukemia, childhood, myeloid, lymphoblastic, pediatric, invasive, mold, aspergillus

Brief summary

The study aims to evaluate the occurrence, mortality, and risk factors for invasive mold infections (IMI) in children treated with chemotherapy for acute leukemia in Denmark. The study will be a retrospective nationwide survey study of all children who received first-line chemotherapy for acute leukemia from 2008 to 2022 in Danish pediatric oncology units. The study population includes 621 children under the age of 18. Data will be collected from medical records, hospital databases, and national databases. When the IMI subgroup has been identified, this will be compared to the leukemic group that did not develop IMI. Statistical analysis can then determine the occurrence, mortality rate, and possible IMI risk factors.

Detailed description

Chemotherapy can weaken children's immune system, making them vulnerable to infections, including invasive mold infections (IMI), caused mainly by Aspergillus spp. The at-risk population for IMI in children with acquired immunodeficiency is patients with prolonged granulocytopenia due to hematologic malignancies treated with chemotherapy or allogeneic hematopoietic stem cell transplantation (HSCT) recipients and children receiving long-term corticosteroid treatment. Incidences and mortality rates are often reported as high. In a retrospective cohort study, we aim to obtain an epidemiological overview of IMI in children receiving first-line treatment for acute myelogenous leukemia (AML) and acute lymphoblastic leukemia (ALL) in Denmark from 2008 to 2022 and identify possible risk factors, including treatment-related adverse effects. Objectives 1. To determine and compare the incidence of IMI in childhood AML and ALL during first-line chemotherapy in Denmark. 2. To determine and compare the mortality of IMI in childhood AML and ALL during first-line chemotherapy in Denmark. 3. To explore risk factors for IMI in childhood AML and ALL during first-line chemotherapy in Denmark.

Interventions

None listed

Sponsors

University of Southern Denmark
Lead SponsorOTHER
Odense University Hospital
CollaboratorOTHER
Odense Patient Data Explorative Network
CollaboratorOTHER

Study design

Observational model
COHORT
Time perspective
RETROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
No minimum to 17 Years
Healthy volunteers
No

Inclusion criteria

* Age \<18 years at the time of inclusion * Received first-line treatment for ALL or AML * Treatment at a Danish tertiary pediatric oncology unit (Rigshospitalet, Aarhus University Hospital, Odense University Hospital, and Aalborg University Hospital) * Treatment initiation January 1st, 2008, to December 31st, 2022

Exclusion criteria

* Not meeting inclusion criteria

Design outcomes

Primary

MeasureTime frameDescription
Incidence of invasive mold infection in childhood AML and ALL in DenmarkUp to three yearsThe number of subjects in the cohort infected with an invasive mold during leukemia treatment period as defined by the European Organization for Research and Treatment of Cancer Mycoses study group (EORTC/MSG) criteria
Mortality form invasive mold infection in childhood AML and ALL in Denmark.Up to three yearsThe number of subjects in the cohort dying from an invasive mold infection during their leukemia treatment period

Countries

Denmark

Contacts

PRINCIPAL_INVESTIGATORRasmus Møller Duus, MD

University of Southern Denmark

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: May 15, 2026