Raw JSON
{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}, 'conditionBrowseModule': {'meshes': [{'id': 'D001943', 'term': 'Breast Neoplasms'}], 'ancestors': [{'id': 'D009371', 'term': 'Neoplasms by Site'}, {'id': 'D009369', 'term': 'Neoplasms'}, {'id': 'D001941', 'term': 'Breast Diseases'}, {'id': 'D012871', 'term': 'Skin Diseases'}, {'id': 'D017437', 'term': 'Skin and Connective Tissue Diseases'}]}, 'interventionBrowseModule': {'meshes': [{'id': 'D016684', 'term': 'Prone Position'}], 'ancestors': [{'id': 'D011187', 'term': 'Posture'}, {'id': 'D009142', 'term': 'Musculoskeletal Physiological Phenomena'}, {'id': 'D055687', 'term': 'Musculoskeletal and Neural Physiological Phenomena'}]}}, 'protocolSection': {'designModule': {'studyType': 'OBSERVATIONAL', 'designInfo': {'timePerspective': 'RETROSPECTIVE', 'observationalModel': 'CASE_ONLY'}, 'enrollmentInfo': {'type': 'ESTIMATED', 'count': 280}, 'patientRegistry': False}, 'statusModule': {'overallStatus': 'UNKNOWN', 'lastKnownStatus': 'ACTIVE_NOT_RECRUITING', 'startDateStruct': {'date': '2010-09'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2022-12', 'completionDateStruct': {'date': '2023-12', 'type': 'ESTIMATED'}, 'lastUpdateSubmitDate': '2022-12-18', 'studyFirstSubmitDate': '2014-09-07', 'studyFirstSubmitQcDate': '2014-09-09', 'lastUpdatePostDateStruct': {'date': '2022-12-21', 'type': 'ACTUAL'}, 'studyFirstPostDateStruct': {'date': '2014-09-11', 'type': 'ESTIMATED'}, 'primaryCompletionDateStruct': {'date': '2013-04', 'type': 'ACTUAL'}}, 'outcomesModule': {'otherOutcomes': [{'measure': 'Numbers of patients with dosimetry gain in prone position', 'timeFrame': '2 years', 'description': 'Evaluate the dosimetry gain in subgroups classified according to body mass index, size of breast, side and location of tumor.'}], 'primaryOutcomes': [{'measure': 'Radiation dose to heart and lungs', 'timeFrame': '4 months', 'description': 'Computations of doses and verification of physics charts.'}], 'secondaryOutcomes': [{'measure': 'Radiation dose to tumor bed and ipsilateral breast', 'timeFrame': '4 months', 'description': 'Computations of doses and verification of physics charts.'}]}, 'oversightModule': {'oversightHasDmc': False}, 'conditionsModule': {'keywords': ['Breast cancer', 'Breast conserving surgery.', 'Radiotherapy.', 'Treatment planning.', 'Prone.'], 'conditions': ['Breast Cancer Female']}, 'referencesModule': {'references': [{'pmid': '27178144', 'type': 'BACKGROUND', 'citation': 'Dipasquale G, Wang X, Chatelain-Fontanella V, Vinh-Hung V, Miralbell R. Automatic segmentation of breast in prone position: Correlation of similarity indexes and breast pendulousness with dose/volume parameters. Radiother Oncol. 2016 Jul;120(1):124-7. doi: 10.1016/j.radonc.2016.04.041. Epub 2016 May 10.'}, {'pmid': '30322819', 'type': 'BACKGROUND', 'citation': 'Andrianarison VA, Laouiti M, Fargier-Bochaton O, Dipasquale G, Wang X, Nguyen NP, Miralbell R, Vinh-Hung V. Contouring workload in adjuvant breast cancer radiotherapy. Cancer Radiother. 2018 Dec;22(8):747-753. doi: 10.1016/j.canrad.2018.01.008. Epub 2018 Oct 12.'}, {'pmid': '32940569', 'type': 'BACKGROUND', 'citation': 'Heymann S, Dipasquale G, Nguyen NP, San M, Gorobets O, Leduc N, Verellen D, Storme G, Van Parijs H, De Ridder M, Vinh-Hung V. Two-Level Factorial Pre-TomoBreast Pilot Study of Tomotherapy and Conventional Radiotherapy in Breast Cancer: Post Hoc Utility of a Mean Absolute Dose Deviation Penalty Score. Technol Cancer Res Treat. 2020 Jan-Dec;19:1533033820947759. doi: 10.1177/1533033820947759.'}, {'pmid': '31757715', 'type': 'BACKGROUND', 'citation': 'Vinh-Hung V, Leduc N, Verellen D, Verschraegen C, Dipasquale G, Nguyen NP. The mean absolute dose deviation-A common metric for the evaluation of dose-volume histograms in radiation therapy. Med Dosim. 2020 Summer;45(2):186-189. doi: 10.1016/j.meddos.2019.10.004. Epub 2019 Nov 19.'}, {'pmid': '33416915', 'type': 'RESULT', 'citation': 'Wang X, Fargier-Bochaton O, Dipasquale G, Laouiti M, Kountouri M, Gorobets O, Nguyen NP, Miralbell R, Vinh-Hung V. Is prone free breathing better than supine deep inspiration breath-hold for left whole-breast radiotherapy? A dosimetric analysis. Strahlenther Onkol. 2021 Apr;197(4):317-331. doi: 10.1007/s00066-020-01731-8. Epub 2021 Jan 8.'}, {'pmid': '35017568', 'type': 'RESULT', 'citation': 'Fargier-Bochaton O, Wang X, Dipasquale G, Laouiti M, Kountouri M, Gorobets O, Nguyen NP, Miralbell R, Vinh-Hung V. Prone versus supine free-breathing for right-sided whole breast radiotherapy. Sci Rep. 2022 Jan 11;12(1):525. doi: 10.1038/s41598-021-04385-3.'}]}, 'descriptionModule': {'briefSummary': 'The study purpose is to evaluate whether or not clinical characteristics of women with breast cancer can predict which position for radiation treatment, prone or supine, will be associated with a dosimetry gain. Dosimetry gain in this study means the lowest radiation dose to non-target organs (heart, lungs, contralateral breast), while giving the prescribed dose to tumor bed and ipsilateral breast.', 'detailedDescription': 'Retrospectively identify women who received curative radiation treatment after breast conserving cancer surgery, in whom simulation in prone and in supine position was performed. Compare the treatment plans for doses to targets and to non-target organs, according to clinical parameters of body mass index, size of breast, location of tumor and side. Furthermore, evaluate whether a single CT slide is enough or not to predict a dosimetry advantage.'}, 'eligibilityModule': {'sex': 'FEMALE', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'minimumAge': '18 Years', 'samplingMethod': 'NON_PROBABILITY_SAMPLE', 'studyPopulation': 'Consecutive patients addressed for adjuvant radiation treatment after breast conserving surgery for breast cancer, in whom simulation was done prone and supine.', 'healthyVolunteers': False, 'eligibilityCriteria': 'Inclusion Criteria:\n\n* Breast conserving surgery\n* Adjuvant radiation treatment\n* Simulation done prone and supine\n\nExclusion Criteria:\n\n* Simulation in only one position'}, 'identificationModule': {'nctId': 'NCT02237469', 'acronym': 'HUGProne', 'briefTitle': 'Prone Breast Radiotherapy Treatment Planning Observational Study', 'organization': {'class': 'OTHER', 'fullName': 'University Hospital, Geneva'}, 'officialTitle': 'Retrospective Dosimetric Study of Prone Radiotherapy for Breast Cancer', 'orgStudyIdInfo': {'id': 'HUG 13-184R'}}, 'armsInterventionsModule': {'armGroups': [{'label': 'Prone and supine simulation', 'description': 'Women with breast cancer receiving simulation in prone and in supine position for adjuvant radiation treatment.', 'interventionNames': ['Radiation: Prone and supine simulation']}], 'interventions': [{'name': 'Prone and supine simulation', 'type': 'RADIATION', 'description': 'Treatment planning in the two positions.', 'armGroupLabels': ['Prone and supine simulation']}]}, 'contactsLocationsModule': {'locations': [{'zip': '1205', 'city': 'Geneva', 'country': 'Switzerland', 'facility': 'Geneva University Hospitals', 'geoPoint': {'lat': 46.20222, 'lon': 6.14569}}], 'overallOfficials': [{'name': 'Vincent Vinh-Hung, MD, PhD', 'role': 'PRINCIPAL_INVESTIGATOR', 'affiliation': 'University of Genova'}]}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'Vincent Vinh-Hung', 'class': 'OTHER'}, 'collaborators': [{'name': 'Varian Medical Systems', 'class': 'INDUSTRY'}], 'responsibleParty': {'type': 'SPONSOR_INVESTIGATOR', 'investigatorTitle': 'MD, PhD', 'investigatorFullName': 'Vincent Vinh-Hung', 'investigatorAffiliation': 'University Hospital, Geneva'}}}}