Raw JSON
{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}, 'conditionBrowseModule': {'meshes': [{'id': 'D012004', 'term': 'Rectal Neoplasms'}], 'ancestors': [{'id': 'D015179', 'term': 'Colorectal Neoplasms'}, {'id': 'D007414', 'term': 'Intestinal Neoplasms'}, {'id': 'D005770', 'term': 'Gastrointestinal Neoplasms'}, {'id': 'D004067', 'term': 'Digestive System Neoplasms'}, {'id': 'D009371', 'term': 'Neoplasms by Site'}, {'id': 'D009369', 'term': 'Neoplasms'}, {'id': 'D004066', 'term': 'Digestive System Diseases'}, {'id': 'D005767', 'term': 'Gastrointestinal Diseases'}, {'id': 'D007410', 'term': 'Intestinal Diseases'}, {'id': 'D012002', 'term': 'Rectal Diseases'}]}}, 'protocolSection': {'designModule': {'studyType': 'OBSERVATIONAL', 'designInfo': {'timePerspective': 'RETROSPECTIVE', 'observationalModel': 'COHORT'}, 'enrollmentInfo': {'type': 'ACTUAL', 'count': 229}, 'patientRegistry': False}, 'statusModule': {'overallStatus': 'COMPLETED', 'startDateStruct': {'date': '2012-01-01', 'type': 'ACTUAL'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2022-12', 'completionDateStruct': {'date': '2022-12-01', 'type': 'ACTUAL'}, 'lastUpdateSubmitDate': '2022-12-27', 'studyFirstSubmitDate': '2022-12-19', 'studyFirstSubmitQcDate': '2022-12-27', 'lastUpdatePostDateStruct': {'date': '2022-12-28', 'type': 'ACTUAL'}, 'studyFirstPostDateStruct': {'date': '2022-12-28', 'type': 'ACTUAL'}, 'primaryCompletionDateStruct': {'date': '2022-01-01', 'type': 'ACTUAL'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'Overall Survival', 'timeFrame': 'up to 10 years (From date of surgery to the date date of death)', 'description': 'Survival was calculated for each patient based on time of surgery to time of death.'}]}, 'oversightModule': {'oversightHasDmc': False, 'isFdaRegulatedDrug': False, 'isFdaRegulatedDevice': False}, 'conditionsModule': {'keywords': ['Cancer Rectum', 'Lymph node ratio', 'Overall Survival', 'Prognosis'], 'conditions': ['Cancer, Rectum']}, 'referencesModule': {'references': [{'pmid': '24587671', 'type': 'BACKGROUND', 'citation': 'Li Destri G, Di Carlo I, Scilletta R, Scilletta B, Puleo S. Colorectal cancer and lymph nodes: the obsession with the number 12. World J Gastroenterol. 2014 Feb 28;20(8):1951-60. doi: 10.3748/wjg.v20.i8.1951.'}, {'pmid': '28094848', 'type': 'BACKGROUND', 'citation': 'Amin MB, Greene FL, Edge SB, Compton CC, Gershenwald JE, Brookland RK, Meyer L, Gress DM, Byrd DR, Winchester DP. The Eighth Edition AJCC Cancer Staging Manual: Continuing to build a bridge from a population-based to a more "personalized" approach to cancer staging. CA Cancer J Clin. 2017 Mar;67(2):93-99. doi: 10.3322/caac.21388. Epub 2017 Jan 17.'}, {'pmid': '30207593', 'type': 'BACKGROUND', 'citation': 'Bray F, Ferlay J, Soerjomataram I, Siegel RL, Torre LA, Jemal A. Global cancer statistics 2018: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries. CA Cancer J Clin. 2018 Nov;68(6):394-424. doi: 10.3322/caac.21492. Epub 2018 Sep 12.'}, {'pmid': '12885809', 'type': 'BACKGROUND', 'citation': 'Le Voyer TE, Sigurdson ER, Hanlon AL, Mayer RJ, Macdonald JS, Catalano PJ, Haller DG. Colon cancer survival is associated with increasing number of lymph nodes analyzed: a secondary survey of intergroup trial INT-0089. J Clin Oncol. 2003 Aug 1;21(15):2912-9. doi: 10.1200/JCO.2003.05.062.'}, {'pmid': '11134208', 'type': 'BACKGROUND', 'citation': "Tepper JE, O'Connell MJ, Niedzwiecki D, Hollis D, Compton C, Benson AB 3rd, Cummings B, Gunderson L, Macdonald JS, Mayer RJ. Impact of number of nodes retrieved on outcome in patients with rectal cancer. J Clin Oncol. 2001 Jan 1;19(1):157-63. doi: 10.1200/JCO.2001.19.1.157."}]}, 'descriptionModule': {'briefSummary': 'This study was conducted to compare the significance of lymph node ratio and absolute count of positive lymph node count on overall survival in patients with rectal cancer who underwent resection with curative intent', 'detailedDescription': 'Retrospective cohort study carried on 229 patients with non-metastatic rectal cancer, admitted in tertiary hospitals along 10 years, between 2012 to 2022, and underwent radical resection surgery with curative intent.\n\nExclusion criteria included patients with familial adenomatous polyposis, multiple synchronous or metachronous rectal cancers, early post-operative recurrence or death within 3 months. Demographic, histopathological, follow up and outcome data were collected.\n\nDemographics included age, gender, family history, and chief complaint at presentation. Histopathological data included tumor site, grade, vascular-perineural invasion, total number of lymph nodes removed, and positive lymph nodes.\n\nLymph node ratio was defined as the ratio of positive lymph nodes to the total number of retrieved lymph nodes in histopathology specimen. Survival was calculated for each patient based on time of surgery to time of death\n\nStatistical analysis will be used to evaluate the effect of lymph node ratio on overall survival.'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'maximumAge': '90 Years', 'minimumAge': '19 Years', 'samplingMethod': 'PROBABILITY_SAMPLE', 'studyPopulation': "Patients with rectal cancer that were admitted in tertiary hospitals and underwent curative rectal resection. Patients' files were reviewed, and the data were collected and tabulated.", 'healthyVolunteers': False, 'eligibilityCriteria': 'Inclusion Criteria:\n\n* Patient with rectal cancer of stage I-III.\n* patients underwent radical resection with curative intent.\n\nExclusion Criteria:\n\n* Patients with Familial Adenomatous Polyposis, multiple synchronous or metachronous rectal cancers.\n* Early post-operative recurrence, or death within 3 months.'}, 'identificationModule': {'nctId': 'NCT05667259', 'briefTitle': 'Prognostic Significance of Lymph Node Ratio in Rectal Cancer on Overall Survival', 'organization': {'class': 'OTHER', 'fullName': 'South Valley University'}, 'officialTitle': 'Prognostic Significance of Lymph Node Ratio in Rectal Cancer on Overall Survival: An Alternative Not a Substitute', 'orgStudyIdInfo': {'id': 'SVU-MED-SUR011-4-22-10-464'}}, 'armsInterventionsModule': {'interventions': [{'name': 'Surgical resection for cancer rectum', 'type': 'OTHER', 'description': 'Curative resection for cancer recum'}]}, 'contactsLocationsModule': {'locations': [{'city': 'Qina', 'country': 'Egypt', 'facility': 'Qena Faculty of Medicine, South Valley University Hospitals', 'geoPoint': {'lat': 26.16418, 'lon': 32.72671}}], 'overallOfficials': [{'name': 'Abdallah M Taha, MD', 'role': 'PRINCIPAL_INVESTIGATOR', 'affiliation': 'Egypt, South Valley University, Faculty of Medicine'}]}, 'ipdSharingStatementModule': {'ipdSharing': 'NO'}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'South Valley University', 'class': 'OTHER'}, 'responsibleParty': {'type': 'PRINCIPAL_INVESTIGATOR', 'investigatorTitle': 'Associate professor of General Surgry', 'investigatorFullName': 'Abdallah Mohamed Taha Aly', 'investigatorAffiliation': 'South Valley University'}}}}