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Updated June 2026 · ClinicalTrials.gov

RECRUITINGPhase 2INTERVENTIONAL

Treatment Study for Children and Adolescents With Acute Promyelocytic Leukemia

Treatment Study for Children and Adolescents With Acute Promyelocytic Leukemia (NCT04793919) is a Phase 2 interventional studying Acute Promyelocytic Leukemia, sponsored by Associazione Italiana Ematologia Oncologia Pediatrica. RECRUITING as of the most recent ClinicalTrials.gov update. Talk to your doctor before contacting the trial site.

Important: This information is not medical advice. Talk to your doctor about whether a clinical trial is right for you.

About This Trial

The trial is open to all patients with a diagnosis of acute promyelocytic leukemia (APL) who are PCR-positive for the PML-RARα transcript and less than 18 years of age.

What Stage of Research Is This?

Phase 2 trials evaluate whether a treatment actually works against Acute Promyelocytic Leukemia and continue monitoring side effects. Phase 2 enrolls larger groups (typically 100–300 patients) and produces the first real efficacy signal. A successful Phase 2 readout is what unlocks the much larger Phase 3 confirmatory trials needed for FDA approval.

This trial is currently recruiting participants. The sponsor has registered the study with ClinicalTrials.gov as actively enrolling, which means new applicants who meet the eligibility criteria can be considered for screening. Trial status can change between updates — confirm current recruiting status with the study contact before traveling for a screening visit.

Target enrollment of 89 participants puts this in the typical range for a Phase 2-style efficacy study or a moderate Phase 3 trial in a focused Acute Promyelocytic Leukemia subpopulation. At this scale, the study has enough statistical power to detect a clear treatment effect but is not the largest cohort in the field.

Who May Be Eligible (Plain English)

Who May Qualify: - Newly diagnosed APL confirmed by the presence of PML/RARα fusion gene - Age \<18 years - Written willing to sign a consent form by parents or legal guardians Who Should NOT Join This Trial: - Patients with a clinical diagnosis of APL but subsequently found to lack PML/RARα rearrangement should be withdrawn from the study and treated on an alternative protocol - Significant liver dysfunction (bilirubin serum levels \>3 mg/dL, ALT/AST serum levels greater than 5 times the normal values) - Creatinine serum levels \>2 times the normal value for age - Significant arrhythmias, EKG abnormalities (\*see below), other cardiac contraindications (L-FEV \<50% or LV-FS \<28%) - Neuropathy - Concurrent active malignancy - Uncontrolled life-threatening infections - Pregnant or lactating female - Patients who had received alternative therapy (APL not initially suspected; ATRA and/or ATO not available Always talk to your doctor about whether this trial is right for you.

These are translations of the protocol\'s inclusion and exclusion criteria, simplified for patients and caregivers. The original clinical text appears below. Eligibility is ultimately confirmed by the trial site\'s screening process — this summary is a starting point for a conversation with your doctor, not a final determination.

Original Eligibility Criteria

View original clinical language
Inclusion Criteria: * Newly diagnosed APL confirmed by the presence of PML/RARα fusion gene * Age \<18 years * Written informed consent by parents or legal guardians Exclusion Criteria: * Patients with a clinical diagnosis of APL but subsequently found to lack PML/RARα rearrangement should be withdrawn from the study and treated on an alternative protocol * Significant liver dysfunction (bilirubin serum levels \>3 mg/dL, ALT/AST serum levels greater than 5 times the normal values) * Creatinine serum levels \>2 times the normal value for age * Significant arrhythmias, EKG abnormalities (\*see below), other cardiac contraindications (L-FEV \<50% or LV-FS \<28%) * Neuropathy * Concurrent active malignancy * Uncontrolled life-threatening infections * Pregnant or lactating female * Patients who had received alternative therapy (APL not initially suspected; ATRA and/or ATO not available

Treatments Being Tested

DRUG

Mylotarg

See the protocol

DRUG

Arsenic Trioxide

See the protocol

DRUG

All-trans retinoic acid

See the protocol

Locations (20)

Trial sites listed on ClinicalTrials.gov for this study. Site activation status can vary — confirm with the specific site before traveling for a screening visit.

Hôpital Universitaire des Enfants Reine Fabiola (Huderf)
Brussels, Belgium
University Hospital Motol
Prague, Czechia
Pediatrics and Adolescent Medicine Aarhus University Hospital
Aarhus N, Denmark
CHU de Bordeaux - Hôpital des Enfants
Bordeaux, France
Universitätsklinikum Essen (AöR) Zentrum für Kinder-und Jugendmedizin Klinik für Kinderheilkunde III
Essen, Germany
Our Lady's Children's Hospital Crumlin
Dublin, Ireland
Rappaport Children'S Hospital, Rambam Health Care Campus
Haifa, Israel
Ospedale "Casa Sollievo della Sofferenza" - UO Oncoematologia Pediatrica
San Giovanni Rotondo, Foggia, Italy
AOU Policlinico Dipartimento di Pediatria
Bari, Italy
Ospedale Papa Giovanni XXIII - USS Oncoematologia Pediatrica
Bergamo, Italy
AOU Policlinico Sant'Orsola-Malpighi - Oncologia ed Ematologia Pediatrica
Bologna, Italy
Ospedale Pediatrico Microcitemico "A.Cau", Az.Ospedaliera Brotzu - SC Oncoematologia Ped. e Patologia della coagulazione
Cagliari, Italy
AOU Policlinico Vittorio Emanuele - UOC Ematologia ed Oncologia Pediatrica con TNO
Catania, Italy
A.O. Universitaria Meyer - DAI Oncoematologia Pediatrica
Florence, Italy
IRCCS Istituto Gannina Gaslini - Dipartimento di Oncoematologia
Genova, Italy
Fondazione Monza e Brianza per il Bambino e la sua Mamma (MBBM) - Ospedale San Gerardo
Monza, Italy
AORN Santobono-Pausilipon
Naples, Italy
Univerità degli Studi della Campania- Luigi Vanvitelli - Sevizio di Oncologia Pediatrica
Naples, Italy
Azienda Ospedaliera di Padova - Oncoematologia Pediatrica
Padova, Italy
ARNAS Civico di Cristina e Benfratelli - UOC Oncoematologia Pediatrica
Palermo, Italy

How to Talk to Your Doctor About This Trial

Bring the printable summary of this trial — including the NCT ID (NCT04793919), the sponsor (Associazione Italiana Ematologia Oncologia Pediatrica), and the key eligibility criteria — to your next appointment. Your doctor can review the inclusion and exclusion criteria against your medical history, lab values, and current treatments to assess whether you are likely to qualify. They can also help you weigh whether trial participation makes sense alongside your existing care plan.

Useful questions to walk through together: What does the trial protocol require beyond standard care? How long is the active treatment phase, and how long is follow-up? Are there study visits at sites I can reach? Who pays for the trial-specific procedures, and who pays for standard-of-care portions? See our 25 questions to ask about clinical trials guide for a more complete checklist.

Authoritative Sources

The official record for this trial lives on ClinicalTrials.gov — the federal registry maintained by the National Library of Medicine at NIH. For background on how this trial fits into the FDA approval pathway, see the FDA drug approval process. For oncology-specific guidance for patients considering trials, the National Cancer Institute publishes patient-oriented overviews. International trial registries are aggregated by the WHO ICTRP.

Frequently Asked Questions

What is the NCT04793919 clinical trial studying?

The trial is open to all patients with a diagnosis of acute promyelocytic leukemia (APL) who are PCR-positive for the PML-RARα transcript and less than 18 years of age. The full protocol is registered on ClinicalTrials.gov and includes the primary outcome measures, eligibility criteria, and study endpoints.

Who can participate in NCT04793919?

Eligibility for this trial depends on the specific inclusion and exclusion criteria set by the sponsor. The plain-English summary above translates the most important criteria into accessible language; the official clinical text is preserved in the collapsible section underneath. Whether you fit any specific trial is a medical decision your doctor needs to confirm — bring the trial information to your treating physician for a full review against your medical history.

How do I contact the trial site for NCT04793919?

Contact information registered with ClinicalTrials.gov is shown in the sidebar of this page. Before reaching out, confirm with your treating physician that this trial is appropriate for your situation. The trial site will then walk you through the screening process to determine final eligibility.

Is participating in a clinical trial safe?

Clinical trials in the United States are regulated by the FDA and overseen by Institutional Review Boards (IRBs) that review the protocol for safety. Risk varies by trial — Phase 1 studies test new treatments in humans for the first time, while Phase 3 trials use treatments that have already passed earlier safety screening. The informed consent document for any specific trial details the known risks and what to expect. Discuss those risks with your physician before deciding whether to participate.

Where can I verify the data on this page?

Every detail on this page comes directly from the ClinicalTrials.gov API. Click "View on ClinicalTrials.gov" in the sidebar to see the official, unmodified record. The federal record is always authoritative; this page is a structured presentation with a plain-English eligibility translation. For background on how clinical trials are regulated, see the FDA drug approval process documentation.

How This Page Is Built

Every field on this page is pulled directly from the ClinicalTrials.gov API v2 — no estimates, no proxies. The plain-English eligibility translation is generated from the original protocol text and reviewed for fidelity to the underlying clinical criteria. The original clinical text remains visible in the collapsible section above so users and clinicians can verify the translation. Read the full methodology for the data pipeline and known limitations.

Source: ClinicalTrials.gov API v2 record for NCT04793919. Maintained by the National Library of Medicine at NIH. Public domain. Cite as: "TrialFinderData. NCT04793919. Data: ClinicalTrials.gov."

Medical disclaimer: This page is informational, not medical advice. Talk to your doctor about whether a clinical trial is right for you.

Last updated 2026-06-26 · Data from ClinicalTrials.gov.