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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05796388
Other study ID # 23-001316
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date May 31, 2024
Est. completion date December 2024

Study information

Verified date June 2024
Source Mayo Clinic
Contact Brian Lacy, MD, PhD
Phone 904-953-6970
Email lacy.brian@mayo.edu
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this study is to determine if adult patients with IBS-C will report an overall greater improvement in IBS symptoms and quality of life when treated with a combination of linaclotide (standard of care medication) and immersive virtual reality (VR) therapy compared to those treated with linaclotide and sham (placebo) VR therapy.


Description:

The primary aim of this study will be to assess the benefits of disease-targeted VR combined with linaclotide, compared to sham VR combined with linaclotide, in patients with IBS-C as defined by Rome IV criteria. The investigators hypothesize that compared to patients receiving sham VR and linaclotide, IBS-C patients receiving combination therapy with active VR and linaclotide will achieve statistically significant and clinically meaningful improvements in disease-targeted health-related quality of life while demonstrating improvements in global IBS symptoms, including abdominal pain. Aims 1. Evaluate changes in quality of life using the validated IBS-QoL (primary outcome); 2. Evaluate global improvement in IBS symptoms using the validated IBS-SSS; 3. Assess global improvement in IBS symptoms using the validated Abdominal Scoring system (11); 4. Evaluate improvement in abdominal pain using a numerical rating system (NRS); 5. Assess improvement in constipation using the Bristol Stool Form Scale (BSFS); 6. Evaluate response to bloating using the validated Mayo bloating questionnaire (12); 7. Assess response to coexisting psychological distress using the validated HADs questionnaire; 8. Evaluate changes in work productivity using the validated WPAI.


Recruitment information / eligibility

Status Recruiting
Enrollment 65
Est. completion date December 2024
Est. primary completion date December 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years to 70 Years
Eligibility Inclusion Criteria: - Adult men and women (18-70) who meet Rome IV criteria for IBS-C. - Patients will be required to score below 65 points on the IBS Quality of Life (IBS-QOL) instrument, indicating a score consistent with at least moderate HRQOL (Health-related quality of life) impairment. Exclusion Criteria: - Patients will be excluded from the study if they have a comorbid disorder that may confound the diagnosis of IBS, including celiac disease, inflammatory bowel disease, autoimmune disorders that affect the GI system, history of bowel resection, HIV/AIDS, diabetes with HgA1c >7.0, neuroendocrine tumors, microscopic colitis, lactase deficiency, eosinophilic bowel disease, acute intermittent porphyria, or any other condition that a licensed physician believes can mimic IBS symptoms and undermine diagnostic certitude. - Patients with severe depression, defined as a score equal to or greater than two standard deviations (SDs) on the NIH PROMIS depression scale, or those with suicidal ideations, will also be excluded and provided with standard resources to support their mental health and referred back to their primary care provider, a member of the study team will follow up with the PCP to ensure the communication was received. - Patients using regular doses of opioid medications will also be excluded given the often-severe impact of opioids on GI motility and potential for pharmacological visceral hyperalgesia. - Patients will also be excluded from the study if they do not meet Rome IV criteria for IBS-C, - have a known seizure disorder, - if symptoms are thought to represent an organic disorder, - if they have had prior surgery to the colon, - if symptoms represent a known pelvic floor disorder, - if the patient is abusing alcohol, - or if the patient cannot actively participate in the study for any other reason (e.g., inability to understand English as the VR program is in English only). - Patients previously treated with linaclotide who reported side effects, - those currently on linaclotide (any dose), - and those who did not note an improvement in IBS-C symptoms in the past while on linaclotide will also be excluded.

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Virtual Reality
Both groups will receive standard of care linaclotide 290 mcg.

Locations

Country Name City State
United States Mayo Clinic Florida Jacksonville Florida

Sponsors (4)

Lead Sponsor Collaborator
Mayo Clinic AbbVie, Cedars-Sinai Medical Center, Ironwood Pharmaceuticals, Inc.

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Changes in IBS symptoms Measure global changes in IBS symptoms using the validated IBS severity scoring system (IBS-SSS) at week 8 compared to baseline, for patients treated with a combination of linaclotide and immersive VR and compare to those treated with linaclotide and sham VR therapy. IBS-SSS is a composite score of abdominal pain, number of days with abdominal pain, bloating/distension, satisfaction with bowel habits, and IBS-related quality of life (QoL). Each measure is rated from 0 to 100, with total scores ranging from 0 to 500. < 175 for mild IBS, 175-300 for moderate IBS, and > 300 for severe IBS. End of study week 8 compared to baseline
Secondary Measure change in quality of life, using the validated IBS-QoL Irritable Bowel Syndrome-Quality of Life Measure (IBS-QOL) The individual responses to the 34 items are summed and averaged for a total score and then transformed to a 0-100 scale for ease of interpretation with higher scores indicating better IBS specific quality of life. Week 8
Secondary Measure changes in abdominal pain using the NRS The Abdominal Pain Numeric Rating Scale (NRS) patients are asked to circle the number between 0 and 10, 0 and 20 or 0 and 100 that fits best to their pain intensity. Zero usually represents 'no pain at all' whereas the upper limit represents 'the worst pain ever possible'. Week 8
Secondary Measure changes in bloating using the Mayo bloating questionnaire A 40-item questionnaire to understand the daily impact of symptoms of bloating and distension week 8
Secondary Measure changes in psychological distress using the HADs questionnaire; The Hospital Anxiety and Depression Scale (HADs) consists of 14 items and consists of two subscales: anxiety and depression. Each item is rated on a four-point scale, giving maximum scores of 21 for anxiety and depression. Scores of 11 or more on either subscale are considered to be a significant 'case' of psychological morbidity, while scores of 8-10 represents 'borderline' and 0-7 'normal' week 8
Secondary Measure changes in work productivity using the validated WPAI. The Work Productivity and Activity Impairment (WPAI) questionnaire consists of six questions: 1 = currently employed; 2 = hours missed due to health problems; 3 = hours missed other reasons; 4 = hours actually worked; 5 = degree health affected productivity while working (using a 0 to 10 Visual Analogue Scale (VAS)); 6 = degree health affected productivity in regular unpaid activities Week 8
See also
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