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Assessment of the Efficacy of E. Coli 5C in the Management of Post-Colonoscopy Symptoms

6 de noviembre de 2026 actualizado por: Dr. Amjad Khan, Liaquat University of Medical & Health Sciences

Assessment of the Efficacy of E. Coli 5C in the Management of Post-colonoscopy Symptoms: a Randomised, Double-blind, Placebo-controlled Trial.

This prospective, randomized, double-blind, placebo-controlled clinical trial will evaluate the efficacy and safety of Escherichia coli 5C (Colipral®) in adult patients undergoing diagnostic colonoscopy. Participants will be randomized in a 1:1 ratio to receive either Colipral® or placebo for 14 days immediately after colonoscopy. The study aims to determine whether Colipral® reduces post-colonoscopy gastrointestinal symptoms compared with placebo, using validated symptom and stool assessment tools, patient-reported global improvement, and safety monitoring.

Descripción general del estudio

Estado

Aún no reclutando

Condiciones

Intervención / Tratamiento

Descripción detallada

Patients undergoing diagnostic colonoscopy may experience gastrointestinal discomfort in the days following the procedure, which may be related to alterations in the intestinal microbiota induced by bowel preparation. This study is designed to evaluate whether supplementation with Escherichia coli 5C (Colipral®) can reduce post-colonoscopy gastrointestinal symptoms compared with placebo.

This is a prospective, randomized, double-blind, placebo-controlled clinical trial. Adult patients undergoing complete diagnostic colonoscopy will be screened according to predefined inclusion and exclusion criteria and enrolled after written informed consent. Participants will be randomly assigned in a 1:1 ratio to receive either Colipral® or placebo for 14 days immediately following colonoscopy. The study treatment will be administered as 2 capsules per day, with 1 capsule in the morning and 1 capsule in the evening after dinner.

Clinical assessments will be performed at baseline and at 48 hours, 7 days, and 14 days after colonoscopy, with patient global impression of change and clinically relevant improvement assessed only at Day 7 and Day 14. The primary efficacy endpoint is the between-group difference in change in Gastrointestinal Symptom Rating Scale (GSRS) total score from baseline to Day 14. Secondary assessments include numerical rating scale (NRS) symptom scores, stool consistency, bowel movement frequency, patient global impression of change, clinically relevant improvement in gastrointestinal symptoms, use of rescue medication, treatment adherence, tolerability, and adverse events.

The study is designed to assess both the clinical efficacy and safety of Colipral® in the management of post-colonoscopy symptoms in adult patients.

Tipo de estudio

Intervencionista

Inscripción (Estimado)

160

Fase

  • No aplica

Contactos y Ubicaciones

Esta sección proporciona los datos de contacto de quienes realizan el estudio e información sobre dónde se lleva a cabo este estudio.

Estudio Contacto

Ubicaciones de estudio

      • Roma, Italia, 00191
        • Clinica ARS Biomedica - Via Luigi Bodio 58
        • Contacto:
          • Dr. Fabrizio Ficuccilli's, MD
          • Número de teléfono: +39 06 3614941
          • Correo electrónico: info@arsbiomedica.it

Criterios de participación

Los investigadores buscan personas que se ajusten a una determinada descripción, denominada criterio de elegibilidad. Algunos ejemplos de estos criterios son el estado de salud general de una persona o tratamientos previos.

Criterio de elegibilidad

Edades elegibles para estudiar

18 años a 80 años (Adulto, Adulto Mayor)

Acepta Voluntarios Saludables

No

Géneros elegibles para el estudio

Todos

Descripción

Inclusion Criteria:

  • Aged between 18 and 80 years;
  • Must have undergone a full colonoscopy on the date of enrolment.

Exclusion Criteria:

  • Chronic Inflammatory Bowel Disease
  • Complicated Diverticular Disease (DICA classification >3)
  • Neoplastic disease of the colon
  • Diagnosed microscopic colitis
  • Therapeutic colonoscopy
  • Immunocompromised patients (primary immunodeficiency, cancer undergoing active chemotherapy or immunotherapy, autoimmune disease undergoing immunosuppressive treatment)

Plan de estudios

Esta sección proporciona detalles del plan de estudio, incluido cómo está diseñado el estudio y qué mide el estudio.

¿Cómo está diseñado el estudio?

Detalles de diseño

  • Propósito principal: Tratamiento
  • Asignación: Aleatorizado
  • Modelo Intervencionista: Asignación paralela
  • Enmascaramiento: Cuadruplicar

Armas e Intervenciones

Grupo de participantes/brazo
Intervención / Tratamiento
Experimental: Escherichia coli 5C (Colipral®)

Participants in this arm will receive Colipral® (dietary supplement containing Escherichia coli 5C), administered twice daily, with 1 capsule in the morning and 1 capsule in the evening after dinner, for 14 days immediately following colonoscopy.

Dietary supplement containing Escherichia coli 5C (Colipral®)

Comparador de placebos: Placebo

Participants in this arm will receive placebo, identical in appearance but not containing the probiotic strain, administered twice daily, with 1 capsule in the morning and 1 capsule in the evening after dinner, for 14 days immediately following colonoscopy.

Matching placebo

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Change in Gastrointestinal Symptom Rating Scale (GSRS) total score at Day 14
Periodo de tiempo: Baseline to Day 14 after colonoscopy

Between-group difference in change in gastrointestinal symptom severity from baseline to Day 14 after colonoscopy, assessed using the Gastrointestinal Symptom Rating Scale (GSRS).

Baseline to Day 14 after colonoscopy

Medidas de resultado secundarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Change in abdominal pain intensity score
Periodo de tiempo: 48 hours, Day 7, and Day 14 after colonoscopy

Between-group difference in abdominal pain intensity assessed using a Numerical Rating Scale (NRS, 0-10), with higher scores indicating greater symptom intensity, at 48 hours, Day 7, and Day 14 after colonoscopy.

48 hours, Day 7, and Day 14 after colonoscopy
Change in abdominal bloating intensity score
Periodo de tiempo: 48 hours, Day 7, and Day 14 after colonoscopy

Between-group difference in abdominal bloating intensity assessed using a Numerical Rating Scale (NRS, 0-10), with higher scores indicating greater symptom intensity, at 48 hours, Day 7, and Day 14 after colonoscopy.

48 hours, Day 7, and Day 14 after colonoscopy
Change in flatulence intensity score
Periodo de tiempo: 48 hours, Day 7, and Day 14 after colonoscopy

Between-group difference in flatulence intensity assessed using a Numerical Rating Scale (NRS, 0-10), with higher scores indicating greater symptom intensity, at 48 hours, Day 7, and Day 14 after colonoscopy.

48 hours, Day 7, and Day 14 after colonoscopy
Change in stool consistency assessed by Bristol Stool Form Scale
Periodo de tiempo: 48 hours, Day 7, and Day 14 after colonoscopy

Between-group difference in stool consistency assessed using the Bristol Stool Form Scale at 48 hours, Day 7, and Day 14 after colonoscopy.

48 hours, Day 7, and Day 14 after colonoscopy
Change in frequency of bowel movements
Periodo de tiempo: 48 hours, Day 7, and Day 14 after colonoscopy

Between-group difference in the mean number of daily bowel movements recorded at 48 hours, Day 7, and Day 14 after colonoscopy.

48 hours, Day 7, and Day 14 after colonoscopy
Global Assessment of Change of Gastrointestinal Symptoms (PGIC) score at Day 7 and Day 14
Periodo de tiempo: Day 7 and Day 14 after colonoscopy

Between-group difference in the Global Assessment of Change of Gastrointestinal Symptoms at Day 7 and Day 14, measured using the Patient Global Impression of Change (PGIC), a 7-category ordinal scale ranging from "Very much worse" to "Very much improved".

Day 7 and Day 14 after colonoscopy
Proportion of participants with clinically relevant improvement in gastrointestinal symptoms
Periodo de tiempo: Day 7 and Day 14 after colonoscopy

Proportion of participants with clinically relevant improvement in gastrointestinal symptoms, defined as a PGIC response of "Improved", assessed at Day 7 and Day 14 after colonoscopy.

Day 7 and Day 14 after colonoscopy
Use of rescue medication for gastrointestinal symptoms
Periodo de tiempo: Within 14 days after colonoscopy

Proportion of participants who used concomitant or rescue medication for control of gastrointestinal symptoms within 14 days after colonoscopy. Type of drug, days of intake, and dose will also be recorded.

Within 14 days after colonoscopy
Frequency of adverse events
Periodo de tiempo: Within 14 days after colonoscopy

Frequency and type of adverse events reported within 14 days after colonoscopy, including suspected allergic symptoms, nausea, vomiting, and other clinically relevant events.

Within 14 days after colonoscopy
Treatment tolerability score
Periodo de tiempo: Day 14 after colonoscopy

Treatment tolerability assessed using a numerical score from 0 to 10 during the 14-day post-colonoscopy period.

Day 14 after colonoscopy
Adherence to treatment
Periodo de tiempo: Within 14 days after colonoscopy

Adherence to study treatment, expressed as the percentage of doses taken compared with those expected during the 14-day observation period.

Within 14 days after colonoscopy

Colaboradores e Investigadores

Aquí es donde encontrará personas y organizaciones involucradas en este estudio.

Patrocinador

Colaboradores

Fechas de registro del estudio

Estas fechas rastrean el progreso del registro del estudio y los envíos de resultados resumidos a ClinicalTrials.gov. Los registros del estudio y los resultados informados son revisados ​​por la Biblioteca Nacional de Medicina (NLM) para asegurarse de que cumplan con los estándares de control de calidad específicos antes de publicarlos en el sitio web público.

Fechas importantes del estudio

Inicio del estudio (Estimado)

16 de noviembre de 2026

Finalización primaria (Estimado)

30 de abril de 2027

Finalización del estudio (Estimado)

30 de abril de 2027

Fechas de registro del estudio

Enviado por primera vez

6 de noviembre de 2026

Primero enviado que cumplió con los criterios de control de calidad

6 de noviembre de 2026

Publicado por primera vez (Actual)

12 de noviembre de 2026

Actualizaciones de registros de estudio

Última actualización publicada (Actual)

12 de noviembre de 2026

Última actualización enviada que cumplió con los criterios de control de calidad

6 de noviembre de 2026

Última verificación

1 de noviembre de 2026

Más información

Términos relacionados con este estudio

Otros números de identificación del estudio

  • 139_16luglio2025_COLIPRAL_SIST

Información sobre medicamentos y dispositivos, documentos del estudio

Estudia un producto farmacéutico regulado por la FDA de EE. UU.

No

Estudia un producto de dispositivo regulado por la FDA de EE. UU.

No

Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .