Why Your Dog Has An Anti-Tick Pill And You Don’t?

TL;DR

Tick prevention medications for dogs and cats could potentially be repurposed for humans to combat tickborne diseases and reduce mosquito populations.

Transcript

thanks to brilliant for supporting this saow video as a saow viewer you can keep building your stem skills with a 30-day free trial and 20% off an annual premium subscription at brilliant.org show if you have a dog or a cat you might give them a pill every month to stop them from getting fleas or ticks which means that you can worry a little less a... Read More

Key Insights

• 💋 Isazolines, used to prevent ticks and fleas in pets, could potentially be repurposed for humans to prevent tickborne diseases and reduce mosquito populations.
• 💋 Lyme disease is the most common tickborne disease, and climate change contributes to longer tick seasons and increased risks.
• 💋 Tick prevention medications would be a valuable addition to preventive measures, especially in areas with high tick and mosquito populations.
• 👻 The approval process for pet pharmaceuticals is more streamlined, allowing for faster progress in developing medications for animals.
• 🪡 The potential toxicity and side effects in humans need to be thoroughly studied before developing human versions of these medications.
• ❓ Researchers are currently conducting Phase 2 human clinical trials for an isazoline medication to prevent the spread of Lyme disease and malaria.
• 🤑 Repurposing animal medications for human use requires significant time, money, and additional toxicology studies.

Questions & Answers

Q: How do isazolines work to kill ticks and fleas without harming pets?

Isazolines work by blocking certain chloride channels on the insect's nerve cells, preventing the transmission of signals and ultimately paralyzing and killing the parasites. They do not bind as effectively to vertebrates' Gaba receptors, making them safe for pets.

Q: Can isazolines prevent tickborne diseases like Lyme disease?

Isazolines do not prevent tick bites, but since it takes time for disease-causing bacteria to migrate from ticks to hosts, the medications can still be effective at stopping the spread of diseases like Lyme disease.

Q: Besides Lyme disease, what other tickborne illnesses are a concern?

Tickborne illnesses like Alpha gal syndrome, which causes an allergy to red meat, are a growing concern. Having a medication to protect against tickborne diseases would be beneficial in addition to other preventive measures like wearing long pants and performing tick checks.

Q: Why haven't human versions of these medications been developed yet?

One reason is the potential risk to humans, as isazolines could potentially bind to human nerves and cause adverse effects. Reports of neurological side effects in some pets have raised concerns. Additionally, the pharmaceutical industry focuses primarily on human drug development rather than pet pharmaceuticals.

Summary & Key Takeaways

• Flea and tick medications for pets, known as isazolines, work by turning the pet's blood into poison for insects, effectively killing them after they bite.

• Lyme disease, the most common tickborne disease, is a significant concern, and tick season lasts longer with climate change, leading to an increased risk of tick bites.

• Isazolines have shown potential for repurposing in humans to prevent tickborne diseases and reduce mosquito populations, which could have significant public health benefits.