Novel Treatment Utilizing Fecal Pills Shows Promise in Alleviating Parkinson’s Symptoms
Written by Susan Parker | Updated on May 28, 2025
Reviewed by Susan Parker
Key Takeaways
Gut health affects cognitive function.
FMT can restore youthful gut bacteria.
FMT shows promise for various conditions.
Frequently Asked Questions
Key Takeaways
Gut health affects cognitive function.
FMT can restore youthful gut bacteria.
FMT shows promise for various conditions.
Frequently Asked Questions
There is a new approach to treating a health condition that some may find difficult to consider. However, recent clinical trial results show its remarkable effectiveness in easing many symptoms that affect patients' daily lives, which might convince those who are hesitant to give it a chance.
The balance of gut bacteria directly influences cognitive function, with gut bacteria imbalances associated with aging linked to memory loss and slower learning.
A procedure called fecal microbial transplant (FMT) has the potential to restore youthful gut bacteria, potentially slowing down or reversing cognitive aging by supporting healthy brain function.
Besides supporting brain health, FMT is being studied for various conditions, from allergies to type 2 diabetes, showcasing its wide-ranging therapeutic possibilities.
Imagine rejuvenating your brain's aging process simply by addressing the balance of bacteria in your gut.
Esteemed neurologist Dr. David Perlmutter believes this innovative method could be key to halting memory decline. Could this unique therapy improve memory, enhance learning, and even offer defense against dementia?
Prior to delving into the specifics of this treatment, it is vital to highlight that researchers are beginning to explore the connection between the gut and the brain concerning neurological diseases like Parkinson’s disease.
The prevailing hypothesis suggests that Parkinson's may originate from either the brain or the gut. The gut theory is based on the high prevalence of gastrointestinal dysfunction before the disease's onset. Four out of five individuals experience prolonged colon transit time—a marker for constipation—before developing the disease.
Newly diagnosed Parkinson's patients often display intestinal inflammation and a leaky gut, with imbalanced gut microorganisms having a higher ratio of harmful bacteria and lower levels of beneficial ones compared to healthy individuals.
Research has also shown that the appendix may trigger the disease.
In addition to this evidence, clusters of alpha-synuclein protein, a hallmark of Parkinson's, have been found in the intestines before disease onset. In animal studies, these clusters have been observed to travel to the brain through the vagal nerve.
Human studies support this as well. Patients who underwent a vagotomy, a surgical procedure that partially severs the vagal nerve (rarely performed for peptic ulcers), had a significantly reduced risk of developing Parkinson's in the years following the surgery. We have previously discussed various methods of vagus nerve stimulation to alleviate pain and enhance brain function, digestion, as well as memory and mood.
So, how does human feces play a role in this?
Feces contain numerous microbial organisms that can replenish and heal the gut. A procedure known as fecal microbiota transplant (FMT) harnesses their healing properties. Here's how FMT works: Healthy human feces are taken from a donor and transplanted into a patient. A tube is inserted through the patient's nose, passed down the throat, and directed into the small intestine.
While it may be hard to imagine, the results are undeniable.
In a randomized, double-blind, placebo-controlled clinical trial called GUT-PARFECT, 46 patients aged 50 to 65 with mild to moderate early-stage Parkinson's disease underwent FMT. Half of the participants received healthy donor stool, while the other half received their own stool as a placebo. The fecal microbiota transplant was a one-time procedure and was assessed over a twelve-month period.
At the six-month mark, researchers noted that Parkinson's patients who received FMT experienced improvements in motor symptoms. By the end of the trial, the MDS-UPDRS scale—considered the standard for evaluating Parkinson's symptoms—increased by 5.8 points in the healthy donor group compared to just 2.7 points in the placebo group. This surpasses the threshold of 3.25, indicating a clinically significant improvement.
Constipation, a common symptom of Parkinson's, showed improvement. Tests indicated a slower progression of constipation in the treated group compared to the placebo group between three to six months.
Professor Roosmarijn Vandenbroucke, part of the research team from Ghent University in Belgium, provided insight, stating, "Our study offers promising indications that FMT could be a valuable novel treatment for Parkinson's disease. Further research is necessary, but it presents a potentially safe, effective, and cost-efficient method to improve symptoms and quality of life for numerous Parkinson's patients globally."
Professor Vandebroucke expressed hope that the FDA will take notice and approve this treatment for Parkinson's patients. Currently, FMT is FDA-approved for treating recurrent Clostridium difficile infection, a gastrointestinal infection that results in diarrhea and abdominal pain, with a success rate of 90%. Yes, nine out of ten patients show improvement!
Moreover, researchers are optimistic that FMT could eventually be replaced by a 'poop pill' to offer a more convenient treatment option for patients. Professor Debby Laukens, another member of the Ghent research team, commented, "Our next phase involves securing funding to identify which bacteria have a positive impact. This could pave the way for developing a 'bacterial pill' or other targeted therapy that could potentially replace FMT in the future."
This represents the latest clinical trial contributing to the scientific evidence underscoring the gut's importance in preventing and treating neurological conditions like Parkinson's and Alzheimer's diseases. In short, do not underestimate your gut, especially if you have risk factors for neurological problems.
The first step in maintaining a healthy gut microbiome involves consuming foods like fruits, vegetables, and fermented foods such as yogurt, sauerkraut, kefir, and kimchi, while avoiding processed foods and refined sugars. Additionally, consider supplementing with a high-quality probiotic supplement.
The connection between gut health and brain function has revealed exciting possibilities for addressing cognitive decline, including dementia. A recent study on fecal microbial transplants (FMT) showed that gut bacteria from elderly donors induced cognitive decline in young mice, while researchers speculate that introducing young microbes into older individuals could potentially rejuvenate memory and learning. Although primarily used for gastrointestinal conditions like C. diff, FMT shows promise in enhancing cognitive health. However, concerns such as bacterial contamination persist. Despite being experimental, FMT's ability to restore memory by revitalizing the gut-brain axis signals a promising advancement in combating age-related cognitive decline.
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