Asthma drug may shield hearts from chemo side effect
NCT ID NCT05959889
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether montelukast, an asthma drug, can reduce heart damage caused by doxorubicin chemotherapy in breast cancer patients. Fifty adults with breast cancer were randomly assigned to receive either montelukast or a placebo alongside their treatment. Researchers measured heart stress markers in the blood before and after treatment to see if montelukast offered protection.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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50 people
The number who actually took part.
- Started
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Mar 2023
- Finished
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Dec 2024
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 70 years
- Sex
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Female participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Adult patients (age≥18 and≤ 70years old) with biopsy-confirmed diagnosis of breast cancer according to the American Joint Committee on Cancer (TNM staging system). 2. Patients with performance status (\<2) according to Eastern Cooperative Oncology Group (ECOG). 3. Patients with adequate hematologic parameters (absolute neutrophil count≥1.5× 109/L, platelet count≥100× 109/L, hemoglobin level≥10 g/dl), adequate liver function (serum bilirubin\<1.5 mg/dl), and adequate renal function (serum creatinine\<1.5 mg/dl, creatinine clearance (CrCl)\>45 ml/min). Exclusion Criteria: 1. Patients who refuse to sign the written consent. 2. If blood cell counts are too low. 3. Severe liver problem. 4. Recent heart attack or have severe heart problems. 5. Previous treatment with Doxorubicin or certain other anticancer medications. 6. Allergy to certain other anti-cancer medicines, doxorubicin hydrochloride, Cis-platin, vincristine, paclitaxel, docetaxel, foscarnet, etc. in the last 6 months. 7. Women with evidence of metastasis at the initial assessment. 8. Presence of clinical evidence for severe cardiac illness (angina pectoris, uncontrolled hypertension, arrhythmias, and left ventricular ejection fraction\<50%). 9. Pregnant and breast-feeding women.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Damanhour Oncology Center
Damanhūr, Elbehairah, 31527, Egypt
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