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- Ensayo clínico NCT02278653
Functional Outcome of Organ Preservation After Neo-adjuvant Chemo Radiation for Rectal Cancer
Follow up and Functional Outcome of Organ Saving Treatment in Patients With Good Response to Neo-adjuvant (Chemo)Radiation for Rectal Cancer
Descripción general del estudio
Estado
Condiciones
Intervención / Tratamiento
Descripción detallada
Rectal cancer is a common form of cancer. Standard treatment for locally advanced rectal cancer is a long course of neoadjuvant radiation combined with chemotherapy (CRT) followed by resection. However, neoadjuvant CRT induces downsizing and downstaging, resulting in a complete response in 15-20% of the patients. In these patients surgery may be omitted. In the investigators previous study the investigators obtained good results with an organ saving treatment. Although the mortality and morbidity associated with radical surgery is avoided, the irradiated rectum remains in situ, possibly causing functional problems.
The primary objective is to describe the functional outcome of patients that choose for organ saving treatment. Functional outcome will be evaluated with questionnaires (quality of life) and manometric measurements (maximal resting pressure, maximal squeezing pressure, sphincter length, percentage asymmetry of the resting sphincter, sustained duration, length of the high pressure zone, rectoanal inhibitory reflex, rectal sensory threshold, and rectal compliance).
Secondary objectives include: the estimation of the cumulative risk of local failure within 5 years, the estimation of the cumulative risk of disease-free, distant-metastasis-free and overall survival within 5 years, determine the percentage of patients that chooses organ saving treatment instead of standard resection, determine the compliance to intensive follow-up, and compare the cost-effectiveness of organ saving treatment to standard surgical resection over a period of 5 years. These objectives will be assessed by frequent revision of the electronic patient file, as the patient is followed up to four times per year.
Study design: prospective observational registration study with 'invasive diagnostic procedures' Study population: The population will consist of patients, aged 18 years or older, with locally advanced rectal cancer who after chemoradiation have a clinical complete response (ycT0N0) or very good response (ycT1-2N0).
Main study parameters/endpoints: The main study endpoint is the functional outcome scores based on questionnaires and manometric measurements Nature and extent of the burden and risks associated with participation, benefit and group relatedness: The questionnaires take approximately 20 minutes to complete. There is a relatively low rate of side effects associated with manometric measurements. Results of this study will contribute to better understanding of functional complaints after rectal cancer treatment.
Tipo de estudio
Inscripción (Anticipado)
Contactos y Ubicaciones
Ubicaciones de estudio
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Maastricht, Países Bajos, 6202 AZ
- MUMC+
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Criterios de participación
Criterio de elegibilidad
Edades elegibles para estudiar
Acepta Voluntarios Saludables
Géneros elegibles para el estudio
Método de muestreo
Población de estudio
Descripción
Inclusion Criteria:
- 18 years old
Patients with primary rectal cancer without distant metastases who underwent CRT and show clinical complete response or very good response :
- Clinical complete response (ycT0N0) after neo-adjuvant chemoradiation will be determined clinically (digital rectal examination, endoscopy) and radiologically (contrast-enhanced-MRI)
- Very good response (ycT1-2N0) after neo-adjuvant chemoradiation will be determined clinically (digital rectal examination, endoscopy) and radiologically (contrast-enhanced-MRI). These patients will undergo a TEM to resect the small residual tumor
- Comprehension of the alternative strategies and the concept of unknown risks are clear to the patient
- Choosing for the organ-saving treatment option (wait&see policy or TEM)
- Informed consent
Exclusion Criteria:
- Unable to understand or read Dutch
- Unwilling to comply to the questionnaires or manometric measurement.
Plan de estudios
¿Cómo está diseñado el estudio?
Detalles de diseño
Cohortes e Intervenciones
Grupo / Cohorte |
Intervención / Tratamiento |
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Study group
The population will consist of patients, aged 18 years or older, with locally advanced rectal cancer who after chemoradiation have a clinical complete response (ycT0N0) or very good response (ycT1-2N0).
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Manometry is a tool to measure the anal sphincter function.
Patients do not need any bowel preparation before this procedure.
During the examination a catheter tip will be positioned in the rectum above the sphincter and a small balloon will be inflated.
This balloon is connected to a device that registers the measurements.
Patients will receive instructions; e.g.
squeeze, push, and cough.
The procedure takes approximately 10 minutes and is not experienced as painful.
Several parameters will be measured: the mean basal pressure, the maximum squeeze pressure, first sensation, first urge to defecate and the maximum tolerable volume.
The manometric measurement will take place on the same day as the endoscopy and MRI (standard follow-up).
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¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
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Functional outcome
Periodo de tiempo: 5 years
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Functional outcome scores of patients that are treated with an organ saving strategy compared to patients who undergo the standard resection as described in literature. Functional outcome will be evaluated with the following questionnaires:
Functional outcome will be measured by manometric measurements:
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5 years
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Medidas de resultado secundarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
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Cumulative risk of local failure
Periodo de tiempo: 5 years
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All patients with a local recurrence will be excluded form further follow-up.
This information will be based on an MRI of the lower abdomen in combination with endoscopy.
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5 years
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Cumulative risks of disease-free, distant-metastasis free and overall survival
Periodo de tiempo: 5 years
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5 years
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The percentage of patients that choose the alternative strategies instead of traditional strategies and the motivation for their choice
Periodo de tiempo: 3 years
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3 years
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The compliance to the intensive follow-up schedule
Periodo de tiempo: 5 years
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All patients are intended to participate in the standard follow-up schedule.
Some of them may drop out due to other illness, ageing or other reasons.
These patients will be included in the analysis as far as they participated.
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5 years
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Early detection of local failure (standard surgery still possible)
Periodo de tiempo: 5 years
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In the first year, every three months an MRI of the lower abdomen is made in combination with an endoscopy.
From the second to the fifth year, these investigations will be done twice a year.
With these short intervals, it is know that local recurence is detected in an early fase.
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5 years
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Colaboradores e Investigadores
Patrocinador
Colaboradores
Investigadores
- Investigador principal: Geerard L Beets, MD, PhD, Surgery, MUMC+
- Silla de estudio: Rianne CJ Beckers, MD, MSc, Surgery/Radiology MUMC+
- Silla de estudio: Miriam M van Heeswijk, MD, MSc, Surgery/Radiology MUMC+
- Silla de estudio: Monique Maas, MD, PhD, Radiology, MUMC+
Publicaciones y enlaces útiles
Publicaciones Generales
- Maas M, Nelemans PJ, Valentini V, Das P, Rodel C, Kuo LJ, Calvo FA, Garcia-Aguilar J, Glynne-Jones R, Haustermans K, Mohiuddin M, Pucciarelli S, Small W Jr, Suarez J, Theodoropoulos G, Biondo S, Beets-Tan RG, Beets GL. Long-term outcome in patients with a pathological complete response after chemoradiation for rectal cancer: a pooled analysis of individual patient data. Lancet Oncol. 2010 Sep;11(9):835-44. doi: 10.1016/S1470-2045(10)70172-8. Epub 2010 Aug 6.
- Habr-Gama A, Perez RO, Proscurshim I, Campos FG, Nadalin W, Kiss D, Gama-Rodrigues J. Patterns of failure and survival for nonoperative treatment of stage c0 distal rectal cancer following neoadjuvant chemoradiation therapy. J Gastrointest Surg. 2006 Dec;10(10):1319-28; discussion 1328-9. doi: 10.1016/j.gassur.2006.09.005.
- Maas M, Beets-Tan RG, Lambregts DM, Lammering G, Nelemans PJ, Engelen SM, van Dam RM, Jansen RL, Sosef M, Leijtens JW, Hulsewe KW, Buijsen J, Beets GL. Wait-and-see policy for clinical complete responders after chemoradiation for rectal cancer. J Clin Oncol. 2011 Dec 10;29(35):4633-40. doi: 10.1200/JCO.2011.37.7176. Epub 2011 Nov 7.
- Haak HE, Zmuc J, Lambregts DMJ, Beets-Tan RGH, Melenhorst J, Beets GL, Maas M; Dutch Watch-and-Wait Consortium. The evaluation of follow-up strategies of watch-and-wait patients with a complete response after neoadjuvant therapy in rectal cancer. Colorectal Dis. 2021 Jul;23(7):1785-1792. doi: 10.1111/codi.15636. Epub 2021 Apr 2.
- Lambregts DM, Beets GL, Maas M, Kessels AG, Bakers FC, Cappendijk VC, Engelen SM, Lahaye MJ, de Bruine AP, Lammering G, Leiner T, Verwoerd JL, Wildberger JE, Beets-Tan RG. Accuracy of gadofosveset-enhanced MRI for nodal staging and restaging in rectal cancer. Ann Surg. 2011 Mar;253(3):539-45. doi: 10.1097/SLA.0b013e31820b01f1.
- Lambregts DM, Vandecaveye V, Barbaro B, Bakers FC, Lambrecht M, Maas M, Haustermans K, Valentini V, Beets GL, Beets-Tan RG. Diffusion-weighted MRI for selection of complete responders after chemoradiation for locally advanced rectal cancer: a multicenter study. Ann Surg Oncol. 2011 Aug;18(8):2224-31. doi: 10.1245/s10434-011-1607-5. Epub 2011 Feb 23.
- Curvo-Semedo L, Lambregts DM, Maas M, Thywissen T, Mehsen RT, Lammering G, Beets GL, Caseiro-Alves F, Beets-Tan RG. Rectal cancer: assessment of complete response to preoperative combined radiation therapy with chemotherapy--conventional MR volumetry versus diffusion-weighted MR imaging. Radiology. 2011 Sep;260(3):734-43. doi: 10.1148/radiol.11102467. Epub 2011 Jun 14.
- Habr-Gama A, Perez RO, Wynn G, Marks J, Kessler H, Gama-Rodrigues J. Complete clinical response after neoadjuvant chemoradiation therapy for distal rectal cancer: characterization of clinical and endoscopic findings for standardization. Dis Colon Rectum. 2010 Dec;53(12):1692-8. doi: 10.1007/DCR.0b013e3181f42b89.
- Lambregts DM, Maas M, Bakers FC, Cappendijk VC, Lammering G, Beets GL, Beets-Tan RG. Long-term follow-up features on rectal MRI during a wait-and-see approach after a clinical complete response in patients with rectal cancer treated with chemoradiotherapy. Dis Colon Rectum. 2011 Dec;54(12):1521-8. doi: 10.1097/DCR.0b013e318232da89.
Fechas de registro del estudio
Fechas importantes del estudio
Inicio del estudio
Finalización primaria (Actual)
Finalización del estudio (Anticipado)
Fechas de registro del estudio
Enviado por primera vez
Primero enviado que cumplió con los criterios de control de calidad
Publicado por primera vez (Estimar)
Actualizaciones de registros de estudio
Última actualización publicada (Actual)
Última actualización enviada que cumplió con los criterios de control de calidad
Última verificación
Más información
Términos relacionados con este estudio
Palabras clave
Términos MeSH relevantes adicionales
Otros números de identificación del estudio
- NL49171.068.14
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