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Rare Diseases · The big question

Old drug brings new hope for an ultra-rare genetic disorder

A forgotten drug is giving new hope to kids with a rare disease

Editorial illustration for A forgotten drug is giving new hope to kids with a rare disease
Editorial illustration

Summary

Bachmann-Bupp syndrome, or BABS, is an ultra-rare and life-threatening genetic disorder that has historically left families with few medical options. Now, a surprising glimmer of hope has emerged from an unexpected source. Doctors are finding success with a medication called DFMO, a decades-old drug that was originally used to treat sleeping sickness.

The drug appears to work by zeroing in on the exact biological error that causes the disease. Instead of simply managing the severe symptoms of BABS, DFMO targets the underlying genetic malfunction itself. By addressing the condition at its root, the treatment appears to ease the most devastating impacts of the disorder.

While the science is exciting, researchers caution that the clinical work is still in its earliest stages. So far, the drug has only been given to a handful of patients. These early treatments have yielded very encouraging results, but the extremely small sample size means that much more testing is needed to fully prove the safety and effectiveness of the therapy.

Why it matters.

The story of DFMO is a powerful example of drug repurposing, which involves finding new medical uses for existing therapies. For ultra-rare diseases like BABS, pharmaceutical companies often lack the financial incentive or patient numbers to develop entirely new medications from scratch. Discovering that an older drug can treat a rare genetic condition saves precious time and resources, potentially offering a much faster lifeline to families in need.

However, bringing this treatment to the broader public will require significant effort. Researchers note that wider clinical progress is currently being slowed down by regulatory and logistical hurdles. Moving a drug through the complex testing process for a newly discovered, ultra-rare disease requires navigating strict approval guidelines and organizing trials for a very small, geographically scattered patient population. Overcoming these barriers will be essential to turning this early medical promise into an accessible, standard treatment.

From the source

The story in numbers.

Age of repurposed drug
Decades
Patients treated to date
A handful
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Old drug brings new hope for an ultra-rare genetic disorder — Daily Strand