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A Urine Test To Monitor Gluten Exposure

                A Urine Test To Monitor Gluten Exposure

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I am just back from the International Celiac Disease Symposium in Prague, a biennial meeting where experts from around the world present cutting edge research on celiac disease and non-celiac gluten sensitivity. Prague is a city straight out of a fairy tale and in my opinion was a lovely place to learn!  One of the most exciting things I learned about during the conference was a new test under development that will measure gluten peptides (pieces of gluten) in urine https://clinicaltrials.gov/ct2/show/NCT02344758. The test can be performed at home and requires no physician order. The test’s impact on the lives of patients may not seem immediately clear so allow me to explain.

Current tests measure antibodies produced when exposed to gluten

The tests currently used to diagnose and monitor celiac disease are antibody blood tests. You must be consuming gluten for the body to react and produce the antibodies. These antibodies are not reliably elevated when exposed to small amounts of gluten.  For example, if you go to a restaurant and are exposed to enough gluten to cause symptoms, the antibody test results may not go up. They aren’t always sensitive and accurate in response to small amounts of gluten. Having a test to accurately measure whether or not you have just been exposed to gluten can be helpful for many reasons.

Assessing dietary compliance

 

It is often difficult to assess compliance with the gluten-free diet. Persistent gluten exposure is usually unintentional. Exposure may occur no matter how careful a patient is, due to cross contamination or simple lack of knowledge regarding the diet. If a patient is experiencing ongoing symptoms with celiac disease or non-celiac gluten sensitivity and is unaware that they are inadvertently ingesting gluten, a test such as this may prevent a potentially invasive and extensive medical evaluation to evaluate the cause of the ongoing symptoms.

 

Gluten exposure can mimic other conditions

 

 

 

Getting “contaminated” with gluten feels different for every person. The symptoms are varied and may mimic many other conditions, such as migraines, the flu or a gastrointestinal infection. The list of symptoms is extensive. Allowing easy assessment of gluten exposure might allow a person to know they are not contagious and might avoid unnecessary trips to the doctor or taking unneeded medications.

 

Unnecessary avoidance of products or restaurants

 

Anyone with celiac disease or severe gluten sensitivity knows the risks of dining out. Restaurants are fraught with the potential for cross contamination. But dining out is socially important and should not be avoided simply because of gluten-related issues, as long as it is undertaken carefully.

 

As I mentioned prior, the symptoms of gluten exposure can mimic many other health conditions. It would be nice to know if your favorite restaurant does not need to be avoided in the future because the  migraine you had after dining out was because you were up too late, not the result of cross contamination.

 

The same can be said of new or packaged food products. If you happen to get a symptom the day after trying a new product, you want to know if it gluten was inadvertently in the product. The symptom may simply be a coincidence or a reaction to something other than gluten. If you could measure the absence of gluten, you eliminate one possible cause. Gluten is not always the culprit.

 

The research

 

It is important to note that the research subjects for the new urine test had celiac disease.  Patients with Non-celiac gluten sensitivity (NCGS)  were not included in the research. However, given that the test is evaluating gluten itself, it should detect gluten in anyone, including those with NCGS. (The study included people without celiac disease as controls and did detect gluten). Note: It will not evaluate the presence of FODMAPS if that is the cause of the NCGS.

The peptides that indicated gluten exposure were present within four to six hours of exposure and persisted for one to two days after a single gluten exposure of 50mg. In the celiac patients participating in the research, over 50% had the peptide detected in their urine. This is an alarming statistic and will need to be evaluated further!  As additional confirmation, the positive peptide results correlated with the degree of mucosal atrophy in the patients.

 

At the time of writing, the study has not yet been published, but I look forward to reading the complete journal article. The test is already under development and has wonderful potential for impacting the lives of people with gluten-related disorders.  The fact that it can be done in your own home is a bonus! I highly anticipate the appearance of the actual product on the market.  I believe it will impact the health and well being of people with celiac disease and gluten related disorders in a very positive way.

THIS ARTICLE IS COPYRIGHTED BY AMY BURKHART, MD, RD.

Past columns by Dr. Burkhart:

April/May 2016: Reasons People Follow a Gluten Free Diet: 7 Types of Gluten Free Dieters 

March 2016: Ten Positive Aspects of a Celiac Disease Diagnosis

February 2016: Gluten Causes Keratosis Pilaris (a.k.a. “Chicken Skin”): Fact or Myth?

January 2016: Fingernail Changes in IBS,Gluten Disorders and Celiac Disease “A window to health”

December 2015: 20 Gluten-Free Gift Ideas: From Budget to Luxury, Sentimental to Practical & More

November 2015: Cold Sores, Canker Sores and Gluten

October 2015: Celiac Disease and Gluten Sensitivity Research: Snippets from ICDS 2015 (Part 2)

September 2015: Celiac and Gluten Sensitivity Research: Ten Snippets from ICDS 2015

July/August 2015: A New Home Test To Monitor Gluten Exposure

June 2015: Six Reasons to Test for Celiac Disease Before Starting a Gluten-Free Diet

May 2015: POTS, Celiac Disease and Gluten: An Undiscovered Connection?

February/March/April 2015: Arsenic in the Gluten-Free Diet: Facts and Tips

December 2014/ January 2015: The Microbiome and Celiac Disease: A Bacterial Connection

November 2014: Celiac disease and gluten sensitivity: The doctor-patient disconnect

October 2014: Should You Trust Gluten-Free Labels?

September 2014: Triggers for celiac disease: One possible answer

July/August 2014: Ten Tips for a Healthier Gluten-Free Diet

June 2014: Back Pain and Gluten

May 2014: Self-Diagnosis of Gluten Sensitivity: Four Alarming Trends

April 2014: Update on Restaurants and Gluten-Free Dining

March 2014: Histamine Intolerance: Could it be causing your symptoms?

February 2014: Celiac Disease and Non-Celiac Gluten Sensitivity (Reprinted with permission from Sonoma Medicine)

January 2014: Four Vitamin Toxicities on a Gluten-Free Diet

December 2013: Move Over Gluten-Free, Low FODMAP is Next

November 2013: SIBO, Gluten and IBS: What Is The Connection?

October 2013: Pesticides, Wheat and Gluten Sensitivity: What is the Connection?

September 2013: Is gluten really the culprit in gluten sensitivity?

August 2013: Clarifying the Gluten-Free Labeling Rule

June/July 2013: No such thing as Mild Celiac Disease

May 2013: Magnesium Deficiency

April 2013: Six Reasons to test for celiac disease before starting a gluten-free diet

March 2013: Why am I having migraines?

February 2013: What is fructose malabsorption?

January 2013: Educating doctors about celiac disease

December 2012: Are supplements to digest gluten safe and useful?

November 2012: Top 5 reasons for persistent symptoms after Going Gluten Free

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4 weeks ago

Last camp post until next yr! If your child lives in Northern CA and has celiac disease or follows a strict gluten-free diet consider the camp for next year. It is life changing for these kids and is free of charge as we are all volunteer. Thus, children who might otherwise not be able to attend for financial reasons are given the opportunity of a lifetime. If you would like to support the camp you can do so by making a donation to Celiac Community Foundation of Northern California or The Taylor Family Foundation. The donations allow the camp to continue. Thank you for your support. ... See MoreSee Less