Combining oral arsenic and ATRA for treating newly diagnosed acute promyelocytic leukemia
Official title: Combination of Oral Arsenic With ATRA and Minimal-Dose Chemotherapy for Newly Diagnosed Patients With Acute Promyelocytic Leukemia: a Study by the International Consortium on APL
Run by Instituto do Cancer do Estado de São Paulo · NCT06982274 · Data updated 2026-11-12
This study is testing if a new treatment combining oral arsenic and ATRA can help newly diagnosed patients with acute promyelocytic leukemia live longer and feel better, especially those at high risk.
Quick facts
| Phase | Phase 2 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years to 75 Years |
| Sex | All |
| Enrollment | 115 (estimated) |
| Sponsor | Instituto do Cancer do Estado de São Paulo Academic / other |
| Drugs / interventions | chemotherapy |
| Locations | 1 site (São Paulo, São Paulo) |
| Status | Recruiting |
| Started | October 20, 2023 |
| Main results expected | November 2028 |
| Study ends | November 2029 |
| Registry record updated | May 30, 2025 |
| Trial ID | NCT06982274 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are adults aged 18 to 75 with a new diagnosis of acute promyelocytic leukemia confirmed by cytomorphology and molecular analysis.
✕Probably not a fit
Patients with other active malignancies or those who are not eligible for chemotherapy may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This multicenter, prospective study aims to treat newly diagnosed patients with acute promyelocytic leukemia (APL) using a combination of oral arsenic and all-trans-retinoic acid (ATRA). For high-risk patients, defined as having a white blood cell count above 10x10⁹/L, low-dose chemotherapy will also be administered. The primary goal is to assess the 2-year overall survival rate in these patients compared to historical controls treated with ATRA and chemotherapy. Secondary objectives include evaluating response rates, disease-free survival, and toxicity profiles, among others.
Why it matters
Potential benefit: If successful, this treatment approach could significantly improve survival rates for patients with acute promyelocytic leukemia.
How similar studies have gone: Previous studies have shown promising results with ATRA in treating APL, but the combination with oral arsenic is a novel approach.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Informed consent * New diagnosis of APL by cytomorphology, confirmed for molecular analysis * Age ≥18 and ≤75 years * Serum total bilirubin ≤ 3.0 mg/dl (≤ 51 μmol/l) * Serum creatinine ≤ 3.0 mg/dl (≤ 260 μmol/l) * Women must meet at least one of the following criteria to be eligible for inclusion in the study: Postmenopausal (12 months of amenorrhea or 6 months of amenorrhea with serum FSH \> 40 U/ml); After undergoing hysterectomy or bilateral oophorectomy; Continuous and correct use of a contraceptive method with a Pearl Index \<1% (e.g., implants, oral contraceptives, intrauterine devices); Sexual abstinence; Vasectomy of sexual partner. Exclusion Criteria: * High-risk patients who are not eligible for chemotherapy according to the judgment of the treating physician; * Age \<18 or \>75 years * Other active malignancy at the time of study entry * Lack of diagnostic confirmation at the genetic level * Significant arrhythmias, ECG abnormalities, or neuropathy: Congenital long QT syndrome; History or presence of significant ventricular or atrial tachyarrhythmia; Clinically significant resting bradycardia (\<50 beats per minute); QTc \> 500 ms on ECG screening for both sexes; Right bundle branch block with left anterior hemiblock or bifascicular block * High-risk patients with other cardiac contraindications for intensive chemotherapy (LVEF \< 50%) * Uncontrolled and potentially fatal infections * Severe uncontrolled pulmonary or cardiac disease * Severe hepatic or renal dysfunction * Known HIV and/or hepatitis C infection * Pregnant or breastfeeding women * Allergy to the study drug or excipients in the study medication * Substance abuse, medical, psychological, or social conditions that may interfere with the patient's participation in the study or the assessment of study outcomes * Use of other investigational drugs at the time of enrollment or within 30 days before study entry.
Where it's running
-
Instituto do Cancer do Estado de Sao Paulo
São Paulo, São Paulo, Brazil Recruiting
Study contacts
- Principal investigator: Eduardo M Rego, MD PhD — Instituto do Cancer do Estado de Sao Paulo
- Study coordinator: Elaine Uehara
- Email: elaine.uuehara@hc.fm.usp.br
- Phone: 55 38933535
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
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QTX-2101 (oral arsenic) plus ATRA for adults with low- or intermediate-risk APL
This Phase 3 trial tests whether an oral arsenic capsule (QTX-2101) combined with ATRA works well and is safe for adults aged 18–70 with newly diagnosed low- or intermediate-risk acute promyelocytic leukemia.
-
Using advanced imaging to detect extramedullary myeloid leukemia in newly diagnosed acute myeloid leukemia patients
This study is testing new imaging methods to see if they can help find extramedullary myeloid leukemia in people who have just been diagnosed with acute myeloid leukemia.
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Combining tretinoin and arsenic trioxide with or without gemtuzumab ozogamicin for treating acute promyelocytic leukemia
This study is testing a new combination of treatments for people with acute promyelocytic leukemia to see if it helps them stay healthy longer and improves their chances of recovery without causing more side effects.
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Treatment for Children and Adolescents with Acute Promyelocytic Leukemia
This study is testing a new treatment for children and teenagers with acute promyelocytic leukemia that uses a combination of medications instead of traditional chemotherapy to see if it works better and is safer.
-
Testing TURALIO(R) for treating hard-to-treat cancers in young people
This study is testing if TURALIO(R) can safely help children and young adults with tough-to-treat cancers by seeing how well it works to shrink tumors or stop them from growing.
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Evaluating first line treatment for adult acute promyelocytic leukemia with ATO and ATRA
This study is testing how well a combination of arsenic trioxide and all-trans retinoic acid works as the first treatment for adults with acute promyelocytic leukemia in Argentina.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.