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ThalassemiaJuly 2010Summary reviewed July 2026

A Daily Pill Reduced Heart Iron Buildup by 24% in Thalassemia Patients

Scientists tested whether deferasirox could remove iron buildup from the hearts of 28 people with beta-thalassemia. After 18 months, the drug helped patients with mild to moderate iron overload but didn't work well for those with severe iron buildup in the liver.

What the trial was testing

The trial enrolled 30 patients with thalassemia. The study was sponsored by Novartis and tracked outcomes across the full group of patients who matched the trial's eligibility profile.

It was initial testing (phase 2). Trials at this stage are designed to produce evidence regulators and physicians can act on — not just observations to follow up later.

What the results showed

Heart iron improved 24% in patients with lower iron stores but worsened in those with severe liver iron.

Blood · 2010 · NCT00447694

These findings — that heart iron dropped by about one-quarter in patients with lower total body iron stores — were published in the Blood and represent the headline result of the study.

Researchers tracked outcomes across 30 patients enrolled in the trial. The result was consistent enough across the group that the team felt confident reporting it.

What this means for patients

For patients with thalassemia, this result changes the calculus on what to ask their care team about. Whether it changes day-to-day care depends on factors like disease subtype, prior treatments, and where the patient is in their care journey.

What you can do now

Deferasirox is FDA-approved for iron overload in thalassemia. This study suggests it works better for heart iron when your overall iron levels aren't extremely high. If you have severe iron buildup, your doctor may need to adjust your treatment plan or combine therapies.

Eligibility for the treatments mentioned above depends on specific test results and clinical history. Bring this summary, the trial name, and your most recent labs or pathology report to your next visit.