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Parkinson’s Medications that Treat Motor Symptoms with Dr. Trevor Hawkins

[The Parkinson's Podcast™]

Parkinson’s Medications that Treat Motor Symptoms with Dr. Trevor Hawkins



parkinsons-medications-that-treat-motor-symptoms-with-dr-trevor-hawkins



We are on the cusp of making some really great discoveries especially with the potential to slow down the disease, reverse the symptoms and certainly the holy grail of coming up with a cure.
– Trevor Hawkins, MD

The crux of the problem in Parkinson’s is the cell death of neurons in the brain that produce dopamine. In this episode, Dr. Trevor Hawkins talks about the three main types of medications used to treat the motor symptoms of Parkinson’s and how to make up for the cells that have already died off.

Notes

  • By the time someone begins seeing signs of Parkinson’s, they only have 10-20% of their dopamine-producing cells left
  • The goal with medications like carbidopa/levodopa is to get the remaining cells to pump out more dopamine and potentially make up for the cells that have died off
  • Cell to cell communication in the brain is much like a paperboy/papergirl delivering papers to your doorstep
  • MAO Inhibitors keep the nosy neighbor at home by letting the dopamine hang out longer and giving it a better chance of delivering the message across the synapse – they stop the enzyme that clears out the dopamine before the cell has a chance to get it
  • Dopamine agonists bypass all of the machinery and go straight to the doors (think about magazines that are delivered straight to your mailbox)
  • All three of the medications treat motor symptoms, they don’t stop, slow down or cure Parkinson’s
  • Still, in many cases, non-motor symptoms can get better as well. If you’re not as burdened by motor symptoms, you’ll feel better, you won’t be as depressed, you’ll be in a better mood, you’ll sleep better and you’ll likely be more active
  • Common misconception: levodopa is actually not toxic to neurons and it won’t increase the speed of Parkinson’s progression – it can still work after many decades of being on it
  • It used to be believed that dyskinesias were related to when you started levodopa, but it has nothing to do with that. It just has to do with the progression of Parkinson’s for you

Concepts Mentioned in this Podcast & Further Reading

The Neuroscience of Parkinson’s
Carbidopa/Levodopa
MAO Inhibitors
Dopamine Agonists
What, When, Why, How & More of DBS for the Newly Diagnosed
How to Bring Light to the Darker Side of Parkinson’s: A Primer on Hallucinations and Delusions and How to Manage Them
What is REM Sleep Behavior Disorder?
Living Well with REM Sleep Behavior Disorder
Impulse Control Disorders (ICDs) in Parkinson’s: What They Are and How to Manage Them

 

Trevor Hawkins MDDr. Trevor Hawkins is an assistant professor of neurology at the University of Colorado School of Medicine Anschutz Medical Campus. 

 

 

 

 

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