Ignite Creation Date:
2025-12-25 @ 2:27 AM
Ignite Modification Date:
2025-12-31 @ 7:08 PM
Study NCT ID:
NCT01088334
Status:
TERMINATED
Last Update Posted:
2010-03-29
First Post:
2010-02-25
Is NOT Gene Therapy:
True
Has Adverse Events:
False
Brief Title:
Mortality Due to Malignancy in Patients With Idiopathic Venous Thromboembolism
Sponsor:
Organization:
Raw JSON
{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}, 'conditionBrowseModule': {'meshes': [{'id': 'D054556', 'term': 'Venous Thromboembolism'}, {'id': 'D009369', 'term': 'Neoplasms'}], 'ancestors': [{'id': 'D013923', 'term': 'Thromboembolism'}, {'id': 'D016769', 'term': 'Embolism and Thrombosis'}, {'id': 'D014652', 'term': 'Vascular Diseases'}, {'id': 'D002318', 'term': 'Cardiovascular Diseases'}]}, 'interventionBrowseModule': {'meshes': [{'id': 'D008403', 'term': 'Mass Screening'}], 'ancestors': [{'id': 'D019937', 'term': 'Diagnostic Techniques and Procedures'}, {'id': 'D003933', 'term': 'Diagnosis'}, {'id': 'D006306', 'term': 'Health Surveys'}, {'id': 'D011795', 'term': 'Surveys and Questionnaires'}, {'id': 'D003625', 'term': 'Data Collection'}, {'id': 'D004812', 'term': 'Epidemiologic Methods'}, {'id': 'D008919', 'term': 'Investigative Techniques'}, {'id': 'D003954', 'term': 'Diagnostic Services'}, {'id': 'D011314', 'term': 'Preventive Health Services'}, {'id': 'D006296', 'term': 'Health Services'}, {'id': 'D005159', 'term': 'Health Care Facilities Workforce and Services'}, {'id': 'D017531', 'term': 'Health Care Evaluation Mechanisms'}, {'id': 'D011787', 'term': 'Quality of Health Care'}, {'id': 'D017530', 'term': 'Health Care Quality, Access, and Evaluation'}, {'id': 'D011634', 'term': 'Public Health'}, {'id': 'D004778', 'term': 'Environment and Public Health'}, {'id': 'D015980', 'term': 'Public Health Practice'}]}}, 'protocolSection': {'designModule': {'studyType': 'OBSERVATIONAL', 'designInfo': {'timePerspective': 'PROSPECTIVE'}, 'enrollmentInfo': {'type': 'ACTUAL', 'count': 630}}, 'statusModule': {'whyStopped': 'Terminated because of futility to continue, after planned interim analysis.', 'overallStatus': 'TERMINATED', 'startDateStruct': {'date': '2002-12'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2010-03', 'completionDateStruct': {'date': '2008-12', 'type': 'ACTUAL'}, 'lastUpdateSubmitDate': '2010-03-26', 'studyFirstSubmitDate': '2010-02-25', 'studyFirstSubmitQcDate': '2010-03-16', 'lastUpdatePostDateStruct': {'date': '2010-03-29', 'type': 'ESTIMATED'}, 'studyFirstPostDateStruct': {'date': '2010-03-17', 'type': 'ESTIMATED'}, 'primaryCompletionDateStruct': {'date': '2008-05', 'type': 'ACTUAL'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'Mortality', 'timeFrame': 'at 3, 6, 12, 24, 36 months after inclusion and at the end of study', 'description': 'The responsible physician inform the investigators when a patient has died. The national registrar was checked at the end of the study for all patients'}], 'secondaryOutcomes': [{'measure': 'Residual objectified malignancy', 'timeFrame': 'at 3, 6, 12, 24, 36 months after inclusion', 'description': 'The responsible physician documented all investigations performed. The malignancy have to be objectified. At the end of the study all living patients were contacted for medical status.'}, {'measure': 'Recurrent objectified malignancy', 'timeFrame': 'at 3, 6, 12, 24, 36 after inclusion.', 'description': 'The responsible physician documented all investigations performed. The malignancy have to be objectified. At the end of the study all living patients were contacted for medical status.'}, {'measure': 'Malignancy detected by extensive screening, without alarm signs in routine examinations', 'timeFrame': 'at 3 months after inclusion', 'description': 'The responsible physician documented all investigations performed and documented in standardized manner the routine tests (medical history, physical examination, lab tests and Chest X-ray. The malignancy have to be objectified inconnection with and due to screening tests and eventually further investigations.'}, {'measure': 'Costs of screening, of additional tests after screening', 'timeFrame': 'at end of study.', 'description': 'All costs of routine tests (consult of phycisians, lab tests, X-Chest) are known and documented, as are the costs of the screening tests and, if performed the costs of further evaluation in case of additional tests, admitions etc..'}, {'measure': 'Medical complications of screening tests', 'timeFrame': 'at 3 + 6 months and end of study', 'description': 'The screening tests had no risk of damage other than radiation. The results of these tests however could urge for invasive tests that could potentially harm patients. Therefore the harm done by screening tests or the resulting tests were documented.'}]}, 'oversightModule': {'oversightHasDmc': True}, 'conditionsModule': {'keywords': ['Idiopathic venous thromboembolism', 'Malignancy', 'screening'], 'conditions': ['Venous Thromboembolism', 'Malignancy']}, 'referencesModule': {'references': [{'pmid': '8568483', 'type': 'BACKGROUND', 'citation': 'Bastounis EA, Karayiannakis AJ, Makri GG, Alexiou D, Papalambros EL. The incidence of occult cancer in patients with deep venous thrombosis: a prospective study. J Intern Med. 1996 Feb;239(2):153-6. doi: 10.1046/j.1365-2796.1996.426000.x.'}, {'pmid': '1560799', 'type': 'BACKGROUND', 'citation': 'Carson JL, Kelley MA, Duff A, Weg JG, Fulkerson WJ, Palevsky HI, Schwartz JS, Thompson BT, Popovich J Jr, Hobbins TE, et al. The clinical course of pulmonary embolism. N Engl J Med. 1992 May 7;326(19):1240-5. doi: 10.1056/NEJM199205073261902.'}, {'pmid': '3675090', 'type': 'BACKGROUND', 'citation': "Griffin MR, Stanson AW, Brown ML, Hauser MF, O'Fallon WM, Anderson HM, Kazmier FJ, Melton LJ 3rd. Deep venous thrombosis and pulmonary embolism. Risk of subsequent malignant neoplasms. Arch Intern Med. 1987 Nov;147(11):1907-11."}, {'pmid': '3813741', 'type': 'BACKGROUND', 'citation': 'Goldberg RJ, Seneff M, Gore JM, Anderson FA Jr, Greene HL, Wheeler HB, Dalen JE. Occult malignant neoplasm in patients with deep venous thrombosis. Arch Intern Med. 1987 Feb;147(2):251-3.'}, {'pmid': '3341848', 'type': 'BACKGROUND', 'citation': 'Monreal M, Salvador R, Soriano V, Sabria M. Cancer and deep venous thrombosis. Arch Intern Med. 1988 Feb;148(2):485. No abstract available.'}, {'pmid': '7073147', 'type': 'BACKGROUND', 'citation': 'Gore JM, Appelbaum JS, Greene HL, Dexter L, Dalen JE. Occult cancer in patients with acute pulmonary embolism. Ann Intern Med. 1982 May;96(5):556-60. doi: 10.7326/0003-4819-96-5-556.'}, {'pmid': '1985747', 'type': 'BACKGROUND', 'citation': 'Monreal M, Lafoz E, Casals A, Inaraja L, Montserrat E, Callejas JM, Martorell A. Occult cancer in patients with deep venous thrombosis. A systematic approach. Cancer. 1991 Jan 15;67(2):541-5. doi: 10.1002/1097-0142(19910115)67:23.0.co;2-j.'}, {'pmid': '3955523', 'type': 'BACKGROUND', 'citation': 'Aderka D, Brown A, Zelikovski A, Pinkhas J. Idiopathic deep vein thrombosis in an apparently healthy patient as a premonitory sign of occult cancer. Cancer. 1986 May 1;57(9):1846-9. doi: 10.1002/1097-0142(19860501)57:93.0.co;2-3.'}, {'pmid': '9655309', 'type': 'BACKGROUND', 'citation': 'Hettiarachchi RJ, Lok J, Prins MH, Buller HR, Prandoni P. Undiagnosed malignancy in patients with deep vein thrombosis: incidence, risk indicators, and diagnosis. Cancer. 1998 Jul 1;83(1):180-5. doi: 10.1002/(sici)1097-0142(19980701)83:13.0.co;2-s.'}, {'pmid': '9408011', 'type': 'BACKGROUND', 'citation': 'Monreal M, Fernandez-Llamazares J, Perandreu J, Urrutia A, Sahuquillo JC, Contel E. Occult cancer in patients with venous thromboembolism: which patients, which cancers. Thromb Haemost. 1997 Nov;78(5):1316-8.'}, {'pmid': '9459315', 'type': 'BACKGROUND', 'citation': 'Rajan R, Levine M, Gent M, Hirsh J, Geerts W, Skingley P, Julian J. The occurrence of subsequent malignancy in patients presenting with deep vein thrombosis: results from a historical cohort study. Thromb Haemost. 1998 Jan;79(1):19-22.'}, {'pmid': '9198140', 'type': 'BACKGROUND', 'citation': 'Prins MH, Hettiarachchi RJ, Lensing AW, Hirsh J. Newly diagnosed malignancy in patients with venous thromboembolism. Search or wait and see? Thromb Haemost. 1997 Jul;78(1):121-5.'}, {'pmid': '6539470', 'type': 'BACKGROUND', 'citation': "O'Connor NT, Cederholm-Williams SA, Fletcher EW, Allington M, Sharp AA. Significance of idiopathic deep venous thrombosis. Postgrad Med J. 1984 Apr;60(702):275-7. doi: 10.1136/pgmj.60.702.275."}, {'pmid': '1528208', 'type': 'BACKGROUND', 'citation': 'Prandoni P, Lensing AW, Buller HR, Cogo A, Prins MH, Cattelan AM, Cuppini S, Noventa F, ten Cate JW. Deep-vein thrombosis and the incidence of subsequent symptomatic cancer. N Engl J Med. 1992 Oct 15;327(16):1128-33. doi: 10.1056/NEJM199210153271604.'}, {'pmid': '2643771', 'type': 'BACKGROUND', 'citation': 'Lensing AW, Prandoni P, Brandjes D, Huisman PM, Vigo M, Tomasella G, Krekt J, Wouter Ten Cate J, Huisman MV, Buller HR. Detection of deep-vein thrombosis by real-time B-mode ultrasonography. N Engl J Med. 1989 Feb 9;320(6):342-5. doi: 10.1056/NEJM198902093200602.'}, {'pmid': '9371175', 'type': 'BACKGROUND', 'citation': 'Rance A, Emmerich J, Guedj C, Fiessinger JN. Occult cancer in patients with bilateral deep-vein thrombosis. Lancet. 1997 Nov 15;350(9089):1448-9. doi: 10.1016/S0140-6736(05)64210-9. No abstract available.'}, {'pmid': '2064913', 'type': 'BACKGROUND', 'citation': 'Sannella NA, O\'Connor DJ Jr. "Idiopathic" deep venous thrombosis: the value of routine abdominal and pelvic computed tomographic scanning. Ann Vasc Surg. 1991 May;5(3):218-22. doi: 10.1007/BF02329376.'}, {'pmid': '8928984', 'type': 'BACKGROUND', 'citation': 'Cornuz J, Pearson SD, Creager MA, Cook EF, Goldman L. Importance of findings on the initial evaluation for cancer in patients with symptomatic idiopathic deep venous thrombosis. Ann Intern Med. 1996 Nov 15;125(10):785-93. doi: 10.7326/0003-4819-125-10-199611150-00001.'}, {'pmid': '18765702', 'type': 'BACKGROUND', 'citation': 'Carrier M, Le Gal G, Wells PS, Fergusson D, Ramsay T, Rodger MA. Systematic review: the Trousseau syndrome revisited: should we screen extensively for cancer in patients with venous thromboembolism? Ann Intern Med. 2008 Sep 2;149(5):323-33. doi: 10.7326/0003-4819-149-5-200809020-00007.'}, {'pmid': '15172900', 'type': 'BACKGROUND', 'citation': 'Buller HR, Davidson BL, Decousus H, Gallus A, Gent M, Piovella F, Prins MH, Raskob G, Segers AE, Cariou R, Leeuwenkamp O, Lensing AW; Matisse Investigators. Fondaparinux or enoxaparin for the initial treatment of symptomatic deep venous thrombosis: a randomized trial. Ann Intern Med. 2004 Jun 1;140(11):867-73. doi: 10.7326/0003-4819-140-11-200406010-00007.'}, {'pmid': '10636455', 'type': 'BACKGROUND', 'citation': 'Girolami A, Prandoni P, Zanon E, Bagatella P, Girolami B. Venous thromboses of upper limbs are more frequently associated with occult cancer as compared with those of lower limbs. Blood Coagul Fibrinolysis. 1999 Dec;10(8):455-7. doi: 10.1097/00001721-199912000-00001.'}, {'pmid': '8638869', 'type': 'BACKGROUND', 'citation': 'Ahmed Z, Mohyuddin Z. Deep vein thrombosis as a predictor of cancer. Angiology. 1996 Mar;47(3):261-5. doi: 10.1177/000331979604700307.'}, {'pmid': '10072107', 'type': 'BACKGROUND', 'citation': 'Subira M, Mateo J, Souto JC, Altes A, Fontcuberta J. Lack of association between venous thrombosis and subsequent malignancy in a retrospective cohort study in young patients. Am J Hematol. 1999 Mar;60(3):181-4. doi: 10.1002/(sici)1096-8652(199903)60:33.0.co;2-4.'}, {'pmid': '116491', 'type': 'BACKGROUND', 'citation': 'Biello DR, Mattar AG, McKnight RC, Siegel BA. Ventilation-perfusion studies in suspected pulmonary embolism. AJR Am J Roentgenol. 1979 Dec;133(6):1033-7. doi: 10.2214/ajr.133.6.1033.'}, {'pmid': '5539544', 'type': 'BACKGROUND', 'citation': 'Dalen JE, Brooks HL, Johnson LW, Meister SG, Szucs MM Jr, Dexter L. Pulmonary angiography in acute pulmonary embolism: indications, techniques, and results in 367 patients. Am Heart J. 1971 Feb;81(2):175-85. doi: 10.1016/0002-8703(71)90128-1. No abstract available.'}, {'pmid': '4064769', 'type': 'BACKGROUND', 'citation': 'Hull RD, Hirsh J, Carter CJ, Raskob GE, Gill GJ, Jay RM, Leclerc JR, David M, Coates G. Diagnostic value of ventilation-perfusion lung scanning in patients with suspected pulmonary embolism. Chest. 1985 Dec;88(6):819-28. doi: 10.1378/chest.88.6.819.'}, {'pmid': '2332918', 'type': 'BACKGROUND', 'citation': 'PIOPED Investigators. Value of the ventilation/perfusion scan in acute pulmonary embolism. Results of the prospective investigation of pulmonary embolism diagnosis (PIOPED). JAMA. 1990 May 23-30;263(20):2753-9. doi: 10.1001/jama.1990.03440200057023.'}, {'pmid': '11990474', 'type': 'BACKGROUND', 'citation': 'Otten HM, Prins MH. A number needed to screen and cost-effectiveness analysis of the SOMIT-data. Haemostasis. 2001;31 Suppl 1:40-2. No abstract available.'}, {'pmid': '14629455', 'type': 'BACKGROUND', 'citation': 'Piccioli A, Prandoni P. Screening for occult cancer in patients with idiopathic venous thromboembolism: yes. J Thromb Haemost. 2003 Nov;1(11):2271-2. doi: 10.1046/j.1538-7836.2003.00505.x. No abstract available.'}, {'pmid': '14629456', 'type': 'BACKGROUND', 'citation': 'Lee AY. Screening for occult cancer in patients with idiopathic venous thromboembolism: no. J Thromb Haemost. 2003 Nov;1(11):2273-4. doi: 10.1046/j.1538-7836.2003.00490.x. No abstract available.'}, {'pmid': '15140120', 'type': 'BACKGROUND', 'citation': 'Monreal M, Lensing AW, Prins MH, Bonet M, Fernandez-Llamazares J, Muchart J, Prandoni P, Jimenez JA. Screening for occult cancer in patients with acute deep vein thrombosis or pulmonary embolism. J Thromb Haemost. 2004 Jun;2(6):876-81. doi: 10.1111/j.1538-7836.2004.00721.x.'}, {'pmid': '15140122', 'type': 'BACKGROUND', 'citation': 'Piccioli A, Lensing AW, Prins MH, Falanga A, Scannapieco GL, Ieran M, Cigolini M, Ambrosio GB, Monreal M, Girolami A, Prandoni P; SOMIT Investigators Group. Extensive screening for occult malignant disease in idiopathic venous thromboembolism: a prospective randomized clinical trial. J Thromb Haemost. 2004 Jun;2(6):884-9. doi: 10.1111/j.1538-7836.2004.00720.x.'}, {'pmid': '16241936', 'type': 'BACKGROUND', 'citation': 'DI Nisio M, Otten HM, Piccioli A, Lensing AW, Prandoni P, Buller HR, Prins MH. Decision analysis for cancer screening in idiopathic venous thromboembolism. J Thromb Haemost. 2005 Nov;3(11):2391-6. doi: 10.1111/j.1538-7836.2005.01606.x.'}, {'pmid': '8173368', 'type': 'BACKGROUND', 'citation': 'Nordstrom M, Lindblad B, Anderson H, Bergqvist D, Kjellstrom T. Deep venous thrombosis and occult malignancy: an epidemiological study. BMJ. 1994 Apr 2;308(6933):891-4. doi: 10.1136/bmj.308.6933.891.'}, {'pmid': '9554856', 'type': 'BACKGROUND', 'citation': 'Sorensen HT, Mellemkjaer L, Steffensen FH, Olsen JH, Nielsen GL. The risk of a diagnosis of cancer after primary deep venous thrombosis or pulmonary embolism. N Engl J Med. 1998 Apr 23;338(17):1169-73. doi: 10.1056/NEJM199804233381701.'}, {'pmid': '14585937', 'type': 'BACKGROUND', 'citation': 'Buller HR, Davidson BL, Decousus H, Gallus A, Gent M, Piovella F, Prins MH, Raskob G, van den Berg-Segers AE, Cariou R, Leeuwenkamp O, Lensing AW; Matisse Investigators. Subcutaneous fondaparinux versus intravenous unfractionated heparin in the initial treatment of pulmonary embolism. N Engl J Med. 2003 Oct 30;349(18):1695-702. doi: 10.1056/NEJMoa035451.'}, {'pmid': '9660575', 'type': 'BACKGROUND', 'citation': 'Baron JA, Gridley G, Weiderpass E, Nyren O, Linet M. Venous thromboembolism and cancer. Lancet. 1998 Apr 11;351(9109):1077-80. doi: 10.1016/S0140-6736(97)10018-6.'}, {'pmid': '18385199', 'type': 'BACKGROUND', 'citation': 'Beckers MM, Verzijlbergen JF, van Buul MM, Prins MH, Biesma DH. The potential role of positron emission tomography in the detection of occult cancer in 25 patients with venous thromboembolism. Ann Oncol. 2008 Jun;19(6):1203-4. doi: 10.1093/annonc/mdn156. Epub 2008 Apr 2. No abstract available.'}]}, 'descriptionModule': {'briefSummary': 'Background\n\nPatients with an idiopathic venous thromboembolism (IVTE) appear to have a risk of approximately 10% for symptomatic malignancy within 3 years after the IVTE. It is not clear if extensive screening for malignant disease leads to survival benefit in patients with an IVTE.\n\nThe SOMIT study learned that it is feasible to screen patients with an IVTE for malignancy and screening by means of a computer tomography (CT) of the chest and abdomen plus a mammography in women had the potential to be most cost-effective. The SOMIT study could not show a survival benefit due to the design of the study.\n\nPrimary objective: cancer related mortality\n\nMethods:\n\nThe Trousseau study has been designed as a multicenter, prospective concurrently controlled cohort study.\n\nInclusion criteria:\n\n1. Proven first symptomatic deep venous thromboembolic event;\n2. Without: known risk factor for venous thromboembolism.\n\nExclusion criteria:\n\n1. Proven deep venous thromboembolic event in the medical history, age under 40 years;\n2. Patients without signs of malignancy after routine investigations (medical history, physical examination, laboratory investigations and chest X-ray) were included. Depending on the standard care in the hospital of interest, one group of patients has been screened by means of CT-chest and abdomen plus mammography, the other group had no additional investigations. Follow-up was aimed to be 3 years in both groups (at 3, 6, 12, 24 and 36 months after the thromboembolic event).\n\nData like mortality rate, morbidity due to screening procedures, additional investigations, number of cancer patients detected by the extensive screening, number of cancer patients three years after the IVTE, number and kind of investigations performed and information about cancer treatment and hospitalization was collected. If this information indicate a survival benefit these data enable us to perform a cost-effectiveness analysis.\n\nEndpoint: Mortality.\n\nStatistics:\n\nBased on the prevalence of occult malignancy in VTE patients, the nature and stage of malignancies, the expected mortality, the anticipated detection of cancers and the early treatment related decrease in mortality we needed, in order to detect a true difference of this size with a 80 percent power and a two-tailed certainty of five percent, 750 patients for each group. Therefore, a total of 1500 patients is required for this study.', 'detailedDescription': 'Study design:\n\nAlthough a randomized design is ideal for most studies we preferred a multicenter, prospective concurrently controlled cohort study design for our study. This is based on the experiences with the SOMIT study, in which two of the members of the executive committee (MH Prins, JMMB Otten) were involved.\n\nThe SOMIT study originally was supposed to have been conducted in eight countries. Medical ethical committees in most countries however considered it unethical to conduct this randomized study. Either because of the fact that the study contained a control arm, or because the screening arm (and thus the study itself) was considered to be unethical.\n\nPatients as well as physicians found it difficult to let fate decide whether or not a patient would be screened for cancer, even though it was not clear if screening was life-saving. Moreover, during the SOMIT study, physicians noticed that patients with IVTE had their cancer detected early if they were in the screening group. This made it even more difficult to withhold additional screening procedures in patients in the routine group.\n\nMany physicians themselves showed a strong preference for one of the arms of the study. Therefore they did not include as many patients as they could.\n\nWith a prospective cohort design we expect to avoid these problems. Per hospital that participates in the Trousseau study the physicians in that hospital will treat the patients according to the local preference for screening or no screening. All hospitals are matched regarding their population as much as possible.\n\nStatistics:\n\nThe prevalence of occult cancer at the time of the thrombotic episode in patients with IVTE can be estimated to be 10%. Based on the nature and stage of malignancies, it is expected that half of these patients with occult malignant disease will die during the 3 years of follow-up, resulting in a cancer-related mortality of 5%. In addition, in approximately half of the patients with malignant disease who survived for 3 years, residual or recurrent cancer will be present. Therefore, cancer-related mortality or residual or recurrent cancer will be present in 75% of the patients with occult malignant disease at presentation, i.e., in 7-8% of the patients of the study cohort. We anticipate that approximately 80% of the occult malignancies will be detected by extensive screening and that early treatment will result in a 50% to 75% reduction of the 3-year incidence of cancer-related mortality or residual or recurrent malignancy.'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'minimumAge': '40 Years', 'samplingMethod': 'PROBABILITY_SAMPLE', 'studyPopulation': 'Consecutive patients with IVTE diagnosed in academical centres and teaching hospitals in the Netherlands', 'healthyVolunteers': False, 'eligibilityCriteria': 'Inclusion Criteria:\n\n* Proven first symptomatic deep venous thromboembolic event;\n* No known malignancy\n* Without: trauma of the legs, surgery within the last 2 months, immobilization within the last 2 months, thrombocytosis (\\> 1000 x 109), clinical severe dehydration, deficiency of anti-thrombin III, protein C/S, Factor V Leiden mutation , Prothrombine mutation or circulating lupus anticoagulants, pregnancy or post-partum period\n* No indication for malignancy at routine investigations(medical history, physical examination, routine blood tests and chest X-ray)\n\nExclusion Criteria:\n\n* Proven deep venous thromboembolic event in the medical history\n* age under 40 years;'}, 'identificationModule': {'nctId': 'NCT01088334', 'acronym': 'Trousseau', 'briefTitle': 'Mortality Due to Malignancy in Patients With Idiopathic Venous Thromboembolism', 'organization': {'class': 'OTHER', 'fullName': 'Slotervaart Hospital'}, 'officialTitle': 'Trousseau Studie, Mortaliteit Door Maligniteit Bij patiënten Met Idiopatische Veneuze Tromboembolie', 'orgStudyIdInfo': {'id': 'Trousseau studie'}}, 'armsInterventionsModule': {'armGroups': [{'label': 'IVTE, follow-up', 'description': 'no malignancy at basal screening, no extensive screening'}, {'label': 'IVTE, screening', 'description': 'No malignancy at basal screening, screening by means of CT-Chest/abdomen and mammography in women', 'interventionNames': ['Other: screening']}], 'interventions': [{'name': 'screening', 'type': 'OTHER', 'description': 'CT-Chest/abdomen and mammography in women', 'armGroupLabels': ['IVTE, screening']}]}, 'contactsLocationsModule': {'locations': [{'zip': '3818 ES', 'city': 'Amersfoort', 'country': 'Netherlands', 'facility': 'Meander Medisch Centrum', 'geoPoint': {'lat': 52.155, 'lon': 5.3875}}, {'zip': '1066 EC', 'city': 'Amsterdam', 'country': 'Netherlands', 'facility': 'Slotervaarthospital', 'geoPoint': {'lat': 52.37403, 'lon': 4.88969}}, {'zip': '1090 HM', 'city': 'Amsterdam', 'country': 'Netherlands', 'facility': 'Onze Lieve Vrouwe Gasthuis', 'geoPoint': {'lat': 52.37403, 'lon': 4.88969}}, {'zip': '1101 AZ', 'city': 'Amsterdam', 'country': 'Netherlands', 'facility': 'Academic Medical Center', 'geoPoint': {'lat': 52.37403, 'lon': 4.88969}}, {'zip': '5631 BM', 'city': 'Eindhoven', 'country': 'Netherlands', 'facility': 'Maxima Medisch Centrum', 'geoPoint': {'lat': 51.44083, 'lon': 5.47778}}, {'zip': '9713 GZ', 'city': 'Groningen', 'country': 'Netherlands', 'facility': 'Academisch Ziekenhuis Groningen', 'geoPoint': {'lat': 53.21917, 'lon': 6.56667}}, {'zip': '1624 NP', 'city': 'Hoorn', 'country': 'Netherlands', 'facility': 'Westfries Gasthuis', 'geoPoint': {'lat': 52.6425, 'lon': 5.05972}}, {'zip': '6229 HX', 'city': 'Maastricht', 'country': 'Netherlands', 'facility': 'Academisch Ziekenhuis Maastricht', 'geoPoint': {'lat': 50.84833, 'lon': 5.68889}}, {'zip': '3582 KE', 'city': 'Utrecht', 'country': 'Netherlands', 'facility': 'Diakonessenhuis Utrecht', 'geoPoint': {'lat': 52.09083, 'lon': 5.12222}}, {'zip': '3707 HL', 'city': 'Zeist', 'country': 'Netherlands', 'facility': 'Diakonessenhuis Zeist', 'geoPoint': {'lat': 52.09, 'lon': 5.23333}}], 'overallOfficials': [{'name': 'Hans-Martin MB Otten, MD PhD', 'role': 'PRINCIPAL_INVESTIGATOR', 'affiliation': 'Slotervaart hospital and Academic Medical Center'}, {'name': 'Harry R Büller, Md PhD', 'role': 'STUDY_DIRECTOR', 'affiliation': 'Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)'}, {'name': 'Martin H Prins, MD PhD', 'role': 'STUDY_CHAIR', 'affiliation': 'Maastricht Universitair Medisch Centrum'}, {'name': 'Frederiek F v. Doormaal, MD PhD', 'role': 'STUDY_CHAIR', 'affiliation': 'Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)'}, {'name': 'Wim Terpstra, MD PhD', 'role': 'STUDY_CHAIR', 'affiliation': 'Onze Lieve Vrouwe Gasthuis'}, {'name': 'René vd Griend, MD PhD', 'role': 'STUDY_CHAIR', 'affiliation': 'Diakonessenhuis, Utrecht'}, {'name': 'Marten Nijziel, MD PhD', 'role': 'STUDY_CHAIR', 'affiliation': 'Maxima Medical Center'}, {'name': 'Marcel A vd Ree, MD PhD', 'role': 'STUDY_CHAIR', 'affiliation': 'Diakonessenhuis Zeist'}, {'name': 'Jacob C Dutilh, MD', 'role': 'STUDY_CHAIR', 'affiliation': 'Meander Medisch Centrum'}, {'name': 'A t. Cate-Hoek, MD PhD', 'role': 'STUDY_CHAIR', 'affiliation': 'Maastricht Universitair Medisch Centrum'}, {'name': 'Simone M. vd Heiligenberg, MD', 'role': 'STUDY_CHAIR', 'affiliation': 'Dijklander Ziekenhuis'}, {'name': 'Jan vd Meer, MD PhD', 'role': 'STUDY_CHAIR', 'affiliation': 'University Medical Center Groningen'}]}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'Slotervaart Hospital', 'class': 'OTHER'}, 'responsibleParty': {'oldNameTitle': 'Dr. JMMB Otten, pi', 'oldOrganization': 'Slotervaart hospital'}}}}