Innovative Helminthic Therapy for Managing Crohn’s Disease
Explore the modern approach of helminthic therapy, where controlled parasite infections are used to alleviate symptoms of Crohn’s disease and other chronic conditions.
Helminths, tiny parasitic worms like hookworms, naturally infect humans in various parts of the world. Interestingly, some individuals intentionally introduce these parasites into their bodies to help control chronic illnesses. This practice, known as helminthic therapy, is gaining attention as a potential treatment for Crohn’s disease.

Helminths are commonly transmitted through soil contaminated by infected feces. The primary soil-transmitted helminths include:
- Ascaris lumbricoides (roundworm)
- Trichuris trichiura (whipworm)
- Ancylostoma duodenale and Necator americanus (hookworms)
According to the Centers for Disease Control and Prevention (CDC), these parasites affect hundreds of millions globally at any given time:
- Ascaris infects approximately 772 to 892 million people
- Hookworms impact between 406 and 480 million individuals
- Whipworms affect around 429 to 508 million people
These infections predominantly occur in areas with limited sanitation and hygiene facilities.
How Helminths Spread
Transmission occurs when humans come into contact with contaminated feces from infected animals or people. Common transmission routes include:
- Consuming contaminated water
- Walking barefoot on infected soil
- Neglecting hand hygiene after pet handling or restroom use
- Eating improperly washed or uncooked fruits and vegetables
Once inside the body, helminths typically inhabit the small intestine, where they can cause symptoms such as:
- Blood loss
- Diarrhea
- Abdominal discomfort
- Deficiencies in essential nutrients
Standard prescription medications effectively treat these infections.
Though helminth infections are generally unwanted, helminthic therapy deliberately introduces these parasites to help modulate chronic disease symptoms.
Understanding Helminthic Therapy
This therapy involves the controlled infection with helminths like hookworms or whipworms to manage conditions such as:
- Crohn’s disease
- Multiple sclerosis
- Asthma
- Inflammatory bowel diseases
The therapeutic effect is believed to stem from the parasites’ ability to suppress overactive immune responses, thereby reducing inflammation.
Treatment typically starts with administering worm eggs via injection or oral doses, followed by close medical monitoring to ensure safety throughout the process.
Potential Risks and Side Effects
Long-term presence of these worms can lead to complications like anemia due to blood loss.
Additionally, some individuals may experience protein deficiencies, which can impair cognitive function and physical development.
Doctors can prescribe supplements, such as iron, to mitigate these adverse effects.
Research Insights on Helminthic Therapy for Crohn’s Disease
Animal studies have shown that helminth infections can dampen immune system activity.
A 2017 clinical trial involving 252 Crohn’s disease patients evaluated whipworm therapy over 12 weeks. While the treatment was safe, it did not significantly improve remission rates compared to a placebo.
Further research is essential to conclusively determine the therapy’s safety and efficacy.
Accessing Helminthic Treatment
Currently, patients seeking helminthic therapy often need to travel abroad, as treatment options within the United States are limited.
One clinic in Mexico offers hookworm therapy for Crohn’s disease, but availability may expand as ongoing studies progress.
Self-treatment by purchasing helminth eggs online is highly discouraged due to serious health risks.
Always undergo helminthic therapy under strict medical supervision to ensure safety.
Future Availability in the United States
The U.S. Food and Drug Administration (FDA) has not yet approved helminthic therapy but has granted Investigational New Drug status for certain worms, including pig whipworm (Trichuris suis) and human hookworm (Necator americanus).
Researchers are particularly interested in pig whipworms as they cannot survive long-term in the human gut, potentially offering a safer treatment option.
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