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Gut Microbiome in Gynecological Cancer Patients With Pelvic Toxicity: Controls Versus Ozone Treatment. (MicrOzoGineTox)
Sponsor: Bernardino Clavo, MD, PhD
Summary
Patients treated for gynecological tumors with radiotherapy (RT) and/or chemotherapy (CT) frequently develop pelvic toxicity (TPIRQT), a condition that can become persistent, progressive, and refractory to standard treatments. This toxicity, affecting the rectum (proctitis), bladder (cystitis), and vagina (mucositis), severely deteriorates quality of life. Standard options for refractory cases are limited; at our center, rectal ozone therapy is used with high rates of symptomatic improvement (66-75%). Emerging evidence suggests a link between gut microbiota and the development of TPIRQT. However, it is unknown how rectal ozone therapy may influence the gut microbiome or if this modulation is part of its therapeutic mechanism. This prospective observational study will investigate the potential relationship between gut microbiome profiles (composition and diversity), the presence and severity of TPIRQT, and the response to rectal ozone therapy.
Official title: Intestinal Microbiome Profiles in Women With Gynecological Tumors and Pelvic Toxicity Secondary to Radiotherapy and Chemotherapy: Comparison With Controls and Effect of Rectal Ozone Treatment.
Key Details
Gender
FEMALE
Age Range
18 Years - Any
Study Type
OBSERVATIONAL
Enrollment
38
Start Date
2026-01-15
Completion Date
2028-03-31
Last Updated
2025-12-22
Healthy Volunteers
No
Conditions
Locations (2)
Hospital Universitario de Gran Canaria Dr. Negrín, (FIISC)
Las Palmas de Gran Canaria, Las Palmas, Spain
Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias - Universidad de La Laguna
San Cristóbal de La Laguna, Tenerife, Spain