NICE Recommends Non-Invasive Endometriosis Diagnostic Tests for NHS Trials

NICE Draft Guidance for Endometriosis Diagnostic Trials

New Diagnostic Tools for NHS Trials

The proposed trial introduces two methods designed to identify the condition without the need for initial invasive surgery. The first, Endotest, is a spit test that looks for genetic material. The second, Endosure, measures electrical signals in the gut using sensor pads on the abdomen. These tools will be offered by GPs in England and Wales during the three-year trial period, while evidence is gathered on the success of the roll-out.

Abbie Filer’s Experience With Diagnostic Delays

These developments come as patient stories underscore the systemic difficulties in receiving a timely diagnosis. Abbie Filer, a 27-year-old from Leeds who was diagnosed in 2024, experienced a decade of heavy periods and Premenstrual Dysphoric Disorder (PMDD) before receiving answers. In 2023, she was forced to use a catheter due to symptoms. “If I hadn’t gone into urinary retention, I probably wouldn’t have a diagnosis at this point in time,” she says. Filer emphasizes the psychological toll of the diagnostic journey: “With endometriosis, most people end up minimising their pain, gaslighting themselves so they don’t reach out for help. The onus shouldn’t be on them to display their symptoms in an acceptable way – patients already do so much to manage their health and push for the right care.”

Clinical Challenges and Symptom Variability

Endometriosis is a complex disease that can affect women from the onset of their first period (menarche) through menopause, regardless of ethnic origin or social status. It can also affect transgender men and non-binary individuals who menstruate. Because symptoms are broad and variable, healthcare workers may struggle to confirm a diagnosis. There is no connection between the severity of symptoms and the physical extent of the condition; some individuals may have very few patches of endometriosis and still experience severe pain, while others may have many patches but remain asymptomatic until they face challenges with fertility.

Common symptoms include:

• Very painful menstrual cramps.
• Chronic pelvic pain that does not go away when the menstrual cycle ends.
• Heavy bleeding during periods or spotting between periods.
• Pain during sex (dyspareunia).
• Pain when pooping or peeing.
• Stomach problems like diarrhea, constipation, or bloating.

While endometriosis does not cause weight gain, bloating and fluid retention can make patients feel as though they are gaining weight. Healthcare providers do not know for sure what causes the condition, though researchers are investigating links to immune system dysregulation, hormone disorders, and retrograde menstruation. There is also a recognized connection between a family history of the condition and an increased risk of developing it.

Management Strategies for Chronic Endometriosis Symptoms

Treatment Landscape and Limitations

There is currently no known cure for endometriosis. Management strategies focus on controlling symptoms and limiting long-term impacts, such as damage to the bowel or bladder. Clinical approaches generally involve a combination of medication or, in some women, surgery. Imaging techniques such as ultrasound are used in the diagnostic process, though invasive procedures like surgery are often necessary to confirm the diagnosis. As symptoms often persist or recur after treatment is initiated, patients are encouraged to consult with qualified healthcare professionals to discuss their specific symptoms, family history, and potential risks.

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