Researchers at the University of South Australia have crafted a clever new way to deliver Parkinson’s meds — via a single weekly injection that replaces the tedium of popping pills multiple times a day.
Designed as a biodegradable implant, the injection combines levodopa and carbidopa — the core of Parkinson’s treatment — delivering steady doses over seven days under the skin or into muscle. Lab tests show over 90% drug release within a week, with the vehicle fully dissolving and proving non-toxic Michael J. Fox Foundation.
Daily pills often lead to fluctuating medication levels, missed doses, and symptomatic rollercoasters — especially hard on older adults or those with swallowing issues. As Professor Sanjay Garg notes, “levodopa is the gold‑standard therapy… but its short life span means it must be taken several times a day”. The team’s mission was simple but powerful: enhance compliance, keep blood levels even, and free patients from the pill-popping grind.
PhD candidate Deepa Nakmode emphasized the clinical need behind the innovation: “This new long‑acting injection will be a game‑changer for people with Parkinson’s disease, which means fewer doses, fewer fluctuations and more freedom of life.” Her sentiment reflects more than lab success — it highlights improved daily living for thousands of patients.
Right now, the new Parkinson’s injection has only been tested in the lab. The next step is to test it in animals to see how the drug behaves in the body over time. After that, if everything goes well and gets approved by ethics committees, human trials can begin. If the injection proves safe and effective, this delivery method might also be used for other long-term treatments — like medications for diabetes, ongoing infections, or chronic pain.
What makes this particularly exciting is its elegance and practicality: using a biodegradable, week-long implant keeps treatments consistent without surgical complexity or invasive devices. It’s a streamlined solution that addresses real patient pain points—missed doses, side effects, and pill overload.
This development stands out as a practical, patient-centered advance in Parkinson’s care. It’s not a brand-new drug, but rather a smarter delivery method with potential ripple effects across chronic disease treatment. This kind of innovation can mean fewer interruptions, more stability, and better quality of life.
Curious for the full scoop? Dive into the original report for the research details.