- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04304651
Screening for Occult Malignancy in Patients With Unprovoked Venous Thromboembolism (MVTEP2/SOME2)
Screening for Occult Malignancy Using 18F-Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography (FDG PET/CT) in Patients With Unprovoked Venous Thromboembolism
Venous thromboembolism (VTE) can be the earliest sign of cancer. Identifying occult cancers at the time of VTE diagnosis may lead to significant improvement of patients' care. This is also an upmost issue for patients who want to know if an underlying cancer might have triggered the VTE.
An individual patient-level data meta-analysis (IPDMA) supports extensive screening strategies for occult cancer especially based on FDG PET/CT, and suggests that the best target population for cancer screening would be patients with unprovoked VTE older than 50 years of age (6.7% in patients aged 50 years or more vs. 1.0% in patients of less than 50 years (OR: 7.1, 95% CI: 3.1 to 16%).
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The identification of subgroups of patients at high risk of cancer might enable more efficient screening strategies for early detection of cancer. Venous thromboembolism (VTE) can be the first manifestation of an occult cancer. All tumor sites may be involved. In an individual patient-level data meta-analysis (IPDMA), it was reported a 1-year prevalence of occult cancer of 5.2% (95%CI 4.1-6.5) among patients presenting with unprovoked VTE.
Two recent multicenter randomized controlled trials (e.g. SOME (Canada) and MVTEP (France) trials) failed to demonstrate that extensive cancer screening strategies diagnosed more cancers, more early stage tumors, or improved cancer-related mortality in comparison with a more limited screening strategy. However, the main limitation of these studies was the twice lower than expected overall incidence of occult cancer diagnosis in unselected patients with unprovoked VTE, which limited the statistical power. In the IPDMA, it was also reported that the 1-year period prevalence of occult cancer was 7-fold higher in patients aged ≥ 50 (6.8%; 95%CI 5.6-8.3) as compared with those < 50 years (1.0%; 95%CI 0.5-2.3).
Moreover, in the MVTEP trial, the incidence of missed cancers over a 2-years follow-up period was significantly lower in patients randomized to a 18F-Fluorodeoxyglucose Positron Emission/Computed Tomography (FDG-PET/CT) screening strategy. Thus, the most promising diagnostic modality for occult cancer screening seems to be FDG-PET/CT. FDG-PET/CT which allows a one-stop whole-body imaging, is routinely used for the diagnosis, staging and restaging of various cancers.
The MVTEP2 Trial seeks to determine if among higher risk patients (≥ 50 year-old) with a first unprovoked VTE, a cancer screening strategy including a FDG-PET/CT decreases the number of missed occult cancers detected over a 1-year follow-up period as compared with a limited screening alone.
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Pierre-Yves SALAUN
- Phone Number: (+33)298223327
- Email: pierre-yves.salaun@chu-brest.fr
Study Contact Backup
- Name: Aurélien DELLUC
- Email: adelluc@toh.ca
Study Locations
-
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Alberta
-
Calgary, Alberta, Canada
- Not yet recruiting
- University of Calgary
-
Contact:
- Leslie Skeith
-
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Manitoba
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Winnipeg, Manitoba, Canada
- Not yet recruiting
- University of Manitoba
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Contact:
- Ryan Zarychanski
-
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Ontario
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Hamilton, Ontario, Canada
- Not yet recruiting
- McMaster University
-
Contact:
- Deborah Siegal
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London, Ontario, Canada
- Not yet recruiting
- London Health Sciences Centre
-
Contact:
- Alejandro Lazno-Langner
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Ottawa, Ontario, Canada
- Recruiting
- Ottawa Hospital Research Institute
-
Contact:
- Aurélien DELLUC
- Email: adelluc@toh.ca
-
Contact:
- Marc CARRIER
- Email: mcarrier@toh.ca
-
Sub-Investigator:
- Grégoire LE GAL
-
Ottawa, Ontario, Canada
- Recruiting
- Hopital Montfort
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Contact:
- Gregoire Le Gal
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Toronto, Ontario, Canada
- Recruiting
- Sunnybrook Research Institute
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Contact:
- Jean-Phillippe Galanaud
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Toronto, Ontario, Canada
- Recruiting
- University Health Network
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Contact:
- Erik Yeo
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Contact:
- Jameel Abdulrehman
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Quebec
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Montréal, Quebec, Canada
- Recruiting
- Jewish General Hospital
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Contact:
- Vicky Tagalakis
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Montréal, Quebec, Canada
- Not yet recruiting
- McGill University Health Centre
-
Contact:
- Susan Solymoss
-
-
-
-
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Agen, France
- Recruiting
- CH Agen
-
Contact:
- RORIZ Mélanie
- Email: rorizm@ch-agen-nerac.fr
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Sub-Investigator:
- Alexandre-Xavier BOISSON
-
Angers, France
- Recruiting
- Chu Angers
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Contact:
- Pierre-Marie ROY
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Brest, France
- Recruiting
- Brest University Hospital
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Contact:
- Pierre-Yves SALAUN
- Email: pierre-yves.salaun@chu-brest.fr
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Contact:
- Philippe ROBIN
- Email: philippe.robin@chu-brest.fr
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Sub-Investigator:
- Francis COUTURAUD
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Sub-Investigator:
- Pierre-Yves LE ROUX
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Clermont-Ferrand, France
- Recruiting
- CHU de Clermont-Ferrand
-
Contact:
- Jeannot SCHMIDT
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Dijon, France
- Recruiting
- CHU de Dijon
-
Contact:
- Nicolas FALVO
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Limoges, France
- Recruiting
- CHU de Limoges
-
Contact:
- Philippe LACROIX
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Morlaix, France, 29600
- Recruiting
- CH des Pays de Morlaix
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Contact:
- David RENAUD, Dr
- Email: Drenault@ch-morlaix.fr
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Paris, France
- Recruiting
- Hopital Europeen Georges Pompidou
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Contact:
- Olivier SANCHEZ
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Saint-Etienne, France
- Recruiting
- CHU Saint-Etienne
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Contact:
- Laurent BERTOLETTI
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Toulon, France
- Recruiting
- Hôpital Saint Musse - CH Toulon
-
Contact:
- Antoine ELIAS
-
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
Patients aged 50 years or older with a new diagnosis of first unprovoked proximal deep vein thrombosis (DVT) and/or pulmonary embolism (PE) will be eligible to participate into the study.
Unprovoked VTE is defined as the absence of any of the following predisposing factors:
- active malignancy (known malignancy, progressive and/or treated during the last 5 years) except for adequately treated basal or squamous cell carcinoma; Patients whose state of health suggests the presence of cancer at the time of diagnosis of VTE cannot be included in the protocol
- recent (less than 3 months) paralysis, paresis or plaster immobilization of the lower extremities;
- recently bedridden for period of 3 or more days, or major surgery, within the previous 12 weeks requiring general or regional anaesthesia;
- previous unprovoked VTE;
- known thrombophilia (hereditary or acquired)
Exclusion Criteria:
Patients will be excluded from the study if they have any of the following criteria:
- Refusal or inability to provide informed consent;
- Hypersensitivity to 18F-FDG or any of the excipients according to the product monograph;
- Unavailable to follow-up.
- VTE while on anticoagulation (e.g apixaban, rivaroxaban, edoxaban, dabigatran, warfarin)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Screening
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Limited cancer screening
Limited screening alone.
|
The limited cancer screening will include: 1) a complete medical history and physical examination; 2) complete blood count; 3) liver function tests (AST, ALT, ALP, bilirubin); and 4) chest X-ray. In women, a breast examination, Pap smear/pelvic examination (if < 70 years old and previously sexually active) and mammogram will be performed, if not conducted in last year. In men, similarly, prostate examination and PSA testing will be performed, if not conducted in the last year. All patients will undergo colon cancer screening as per local practice. |
Experimental: Limited cancer screening + FDG PET/CT
Limited screening + FDG PET/CT
|
The limited cancer screening (as described above) in combination with a FDG PET/CT.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Occult cancer missed by screening strategies
Time Frame: At 1 year of follow-up
|
Occult cancer "missed" by cancer screening defined as proven cancer diagnosed (either biopsy proven cancer or cancer diagnosis approved by adjudication committee in the absence of biopsy proven cancer) from the time of cancer screening completion to the end of the 1-year follow-up period, and not detected at the time of screening.
In other words, "missed" means the number of new cancers diagnosed in patients considered not to have cancer after having completed the assigned cancer screening strategy (i.e false negative results of screening strategies).
|
At 1 year of follow-up
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Occult cancer diagnosed by screening strategies
Time Frame: At 1 month
|
The proportion of patients with a new cancer diagnosis after completion of the initial allocated screening strategy.
|
At 1 month
|
Early vs Adanced-stage cancers
Time Frame: At 1 year of follow-up
|
The proportion of early-stage (T1-2N0M0) as per the World Health Organization TNM classification system) versus advanced-stage tumors at initial screening and during follow-up.
|
At 1 year of follow-up
|
Cancer-related mortality
Time Frame: At 5 years of follow-up
|
Cancer-related mortality during a 5-year follow-up period.
|
At 5 years of follow-up
|
Cost effectiveness analysis
Time Frame: At 1 year of follow-up
|
Additional cost per additional cancer detected.
|
At 1 year of follow-up
|
Recurrent VTE
Time Frame: At 1 year of follow-up
|
Rate of recurrent VTE
|
At 1 year of follow-up
|
Decision aid to assist patients in the decision of cancer screening
Time Frame: At 1 year of follow-up
|
Development of a decision aid to assist patients in the decision of cancer screening
|
At 1 year of follow-up
|
Additional tests
Time Frame: At 1 year of follow-up
|
The proportion of patients receiving additional tests following each strategy
|
At 1 year of follow-up
|
Collaborators and Investigators
Publications and helpful links
General Publications
- Robin P, Le Roux PY, Planquette B, Accassat S, Roy PM, Couturaud F, Ghazzar N, Prevot-Bitot N, Couturier O, Delluc A, Sanchez O, Tardy B, Le Gal G, Salaun PY; MVTEP study group. Limited screening with versus without (18)F-fluorodeoxyglucose PET/CT for occult malignancy in unprovoked venous thromboembolism: an open-label randomised controlled trial. Lancet Oncol. 2016 Feb;17(2):193-199. doi: 10.1016/S1470-2045(15)00480-5. Epub 2015 Dec 8.
- Carrier M, Lazo-Langner A, Shivakumar S, Tagalakis V, Zarychanski R, Solymoss S, Routhier N, Douketis J, Danovitch K, Lee AY, Le Gal G, Wells PS, Corsi DJ, Ramsay T, Coyle D, Chagnon I, Kassam Z, Tao H, Rodger MA; SOME Investigators. Screening for Occult Cancer in Unprovoked Venous Thromboembolism. N Engl J Med. 2015 Aug 20;373(8):697-704. doi: 10.1056/NEJMoa1506623. Epub 2015 Jun 22.
- van Es N, Le Gal G, Otten HM, Robin P, Piccioli A, Lecumberri R, Jara-Palomares L, Religa P, Rieu V, Rondina M, Beckers MM, Prandoni P, Salaun PY, Di Nisio M, Bossuyt PM, Buller HR, Carrier M. Screening for Occult Cancer in Patients With Unprovoked Venous Thromboembolism: A Systematic Review and Meta-analysis of Individual Patient Data. Ann Intern Med. 2017 Sep 19;167(6):410-417. doi: 10.7326/M17-0868. Epub 2017 Aug 22.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 29BRC20.0021
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Time Frame
IPD Sharing Access Criteria
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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