Peripheral Vascular DiseaseVQI-PTXNCT04110288
VQI DELTA Paclitaxel Device Safety Analysis
An observational study of Peripheral Vascular Disease, run by Lahey Clinic at 1 site in United States.
Trial summary
The VQI-DELTA Paclitaxel Device Safety Analysis seeks to assess the comparative safety of paclitaxel coated balloons and stents in the treatment of peripheral artery disease (PAD) through analysis of the VQI Peripheral Vascular Intervention (PVI) registry module using the DELTA system. Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Peripheral Vascular Disease
- What is being tested?
- Paclitaxel and Non-drug coated Device Treatment
- Type of treatment
- Medical device
- How many people
- 219,483 participants
- Where
- 1 siteUnited States
- Study dates
- 1 Jan 2017to 1 Apr 2020
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Study population: All patients, age 18 or older, who underwent endovascular interventional treatment of the femoral or popliteal arteries for symptomatic PAD between 1/1/17 through 4/1/2020 will be candidates for inclusion in the analyses.
Who may be able to join
- All patients who underwent endovascular interventional treatment of the femoral or popliteal arteries for symptomatic Peripheral Artery Disease.
Who cannot join
- In an effort to focus this safety evaluation on those patients being treated in accordance with accepted 'best practice' endovascular intervention strategies and 'on-label' use of devices, patients will be excluded from either exposure cases or controls if they received a balloon expandable stent or a balloon expandable stent graft in the treatment of femoral or popliteal disease. Balloon expandable stents were excluded because these stents have historically shown inferior patency and current best practice favors placement of self-expanding nitinol stents which were engineered for the femoral popliteal segment and tested in multiple trials for this indication 12-14.
- Additionally, patients will be excluded (as either potential cases or controls) if their index procedure was performed for acute limb ischemia due to the different etiologies (embolism, in-situ thrombosis) as compared with chronic conditions as they have different treatment paradigms and higher major amputation and mortality rates.
- In addition, patients with prior angioplasty or stenting of the superficial femoral artery (SFA)-popliteal segment will be excluded in order to avoid the possibility of improperly assigning paclitaxel exposure to the control group.
Trial locations and contacts
1 site in 1 country.
About this study
Official title: Vascular Quality Initiative (VQI) - Data Extraction and Longitudinal Trend Analysis (DELTA) Paclitaxel Device Safety Analysis - Phase I Study
The VQI-DELTA Paclitaxel Device Safety Analysis seeks to assess the comparative safety of paclitaxel coated balloons and stents in the treatment of peripheral artery disease (PAD) through analysis of the VQI Peripheral Vascular Intervention (PVI) registry module using the DELTA system.
Read the detailed description
The VQI-DELTA Paclitaxel Device Safety Analysis seeks to assess the comparative safety of paclitaxel coated balloons and stents in the treatment of PAD through analysis of the Vascular Quality Initiative (VQI) Peripheral Vascular Intervention (PVI) registry module using the DELTA system.
The objective of the VQI - DELTA Paclitaxel Phase I Study is to evaluate the relative safety of Paclitaxel used as an antiproliferative agent in the treatment of symptomatic PAD. The study will analyze Paclitaxel Drug Coated Balloons (DCB) and Paclitaxel Drug Eluting Stents (DES), both together and as unique exposures using propensity score matched survival analysis. If a mortality signal is detected, factors associated with late mortality will be further explored. Phase I is the retrospective component of the planned study, evaluating the 2-year survival of patients treated with a paclitaxel containing/eluting device to matched patients treated with non-paclitaxel devices for symptomatic PAD.
All proposed analyses will be performed using DELTA v3.x, which has the capability to prospectively monitor clinical data repositories for safety signals, and is designed to support risk-adjusted prospective safety surveillance analyses of complex clinical datasets.
Three principle analyses are planned:
- Paclitaxel DCB (including the Bard Lutonix, Medtronic In.Pact and Philips Spectranetics Stellarex DCB's) as compared with propensity matched patients treated with plain balloons.
- Paclitaxel delivering DES (including the Cook Zilver PTX and Boston Scientific Eluvia DES) as compared with propensity matched cases using bare metal stents (BMS).
- Patients treated with either Paclitaxel DCB or Paclitaxel DES compared with propensity matched controls (with DCB patients matched to patients treated with plain balloons, and DES patients matched to patients treated with BMS).
- Conditions
- Peripheral Vascular Disease
- Being tested
- Paclitaxel, Non-drug coated Device Treatment
- Medical subject headings
- Peripheral Vascular Diseases
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
PaclitaxelDrug
Also called Taxol
Paclitaxel to treat peripheral arterial disease
Non-drug coated Device TreatmentDevice
| Study group | Role | What they receive |
|---|---|---|
| Uncoated Balloon Treatment | Patients treated for PAD with balloon angioplasty, without use of stent. Receives: Device: Non-drug coated Device Treatment | |
| Bare Metal Stent Treatment | Patients treated for PAD with implantation of bare metal stent. Receives: Device: Non-drug coated Device Treatment | |
| Paclitaxel Coated Balloon | Patients treated for PAD with drug coated balloon angioplasty, without use of stent. Receives: Drug: Paclitaxel | |
| Paclitaxel Eluting Stent | Patients treated for PAD with implantation of Paclitaxel DES. Receives: Drug: Paclitaxel |
What is being measured
The primary outcome is the main question the study is designed to answer.
Survival from Death
Freedom from death of any cause
Measured: 2 years post intervention
Secondary outcomes (2)
Intervention Success
Freedom from death (any cause), re-treatment or major amputation
Measured: 2 year post intervention
Successful Ambulation
Successfully ambulating, ambulating with assistance or with prosthesis
Measured: 1 year post intervention
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted1 Oct 2019
- Study start1 Jan 2017
- Primary completion30 Aug 2019
- Study completion1 Apr 2020
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (18)Papers the sponsor has linked to this study.
- Other trials for Peripheral Vascular DiseaseStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Cohort
- Time perspective
- Prospective
- Enrolment
- 219,483 participants (actual)
Sponsor and investigators
- Lead sponsor
- Lahey Clinic
- Sponsor type
- University, hospital or other
- Collaborators
- Society for Vascular Surgery Patient Safety Organization
- Responsible party
- Principal investigator, Frederic S. Resnic, Lahey Clinic
- Investigators
- Frederic S Resnic, MD MSc, Principal investigator, Lahey Hospital & Medical CenterDaniel Bertges, MD, Study chair, Society for Vascuar Surgery Patient Safety OrganizationJens Eldrup-Jorgensen, MD, Study director, Society for Vascuar Surgery Patient Safety Organization
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04110288
- Sponsor's protocol ID
- 20193123
- Other IDs
- U01FD004963
- Acronym
- VQI-PTX
- Status last verified
- Oct 2020
- First submitted
- 27 Sep 2019
- Last updated
- 19 Oct 2020
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
- Individual data sharing
- No
Publications
Katsanos K, Spiliopoulos S, Kitrou P, Krokidis M, Karnabatidis D. Risk of Death Following Application of Paclitaxel-Coated Balloons and Stents in the Femoropopliteal Artery of the Leg: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. J Am Heart Assoc. 2018 Dec 18;7(24):e011245. doi: 10.1161/JAHA.118.011245.
PubMed 30561254Resnic FS, Majithia A, Marinac-Dabic D, Robbins S, Ssemaganda H, Hewitt K, Ponirakis A, Loyo-Berrios N, Moussa I, Drozda J, Normand SL, Matheny ME. Registry-Based Prospective, Active Surveillance of Medical-Device Safety. N Engl J Med. 2017 Feb 9;376(6):526-535. doi: 10.1056/NEJMoa1516333. Epub 2017 Jan 25.
PubMed 28121489Kumar A, Matheny ME, Ho KK, Yeh RW, Piemonte TC, Waldman H, Shah PB, Cope R, Normand SL, Donnelly S, Robbins S, Resnic FS. The data extraction and longitudinal trend analysis network study of distributed automated postmarket cardiovascular device safety surveillance. Circ Cardiovasc Qual Outcomes. 2015 Jan;8(1):38-46. doi: 10.1161/CIRCOUTCOMES.114.001123. Epub 2014 Dec 9.
PubMed 25491915Resnic FS, Gross TP, Marinac-Dabic D, Loyo-Berrios N, Donnelly S, Normand SL, Matheny ME. Automated surveillance to detect postprocedure safety signals of approved cardiovascular devices. JAMA. 2010 Nov 10;304(18):2019-27. doi: 10.1001/jama.2010.1633.
PubMed 21063011Schillinger M, Minar E. Past, present and future of femoropopliteal stenting. J Endovasc Ther. 2009 Feb;16 Suppl 1:I147-52. doi: 10.1583/1545-1550-16.16.I-147.
PubMed 19317587Dick P, Wallner H, Sabeti S, Loewe C, Mlekusch W, Lammer J, Koppensteiner R, Minar E, Schillinger M. Balloon angioplasty versus stenting with nitinol stents in intermediate length superficial femoral artery lesions. Catheter Cardiovasc Interv. 2009 Dec 1;74(7):1090-5. doi: 10.1002/ccd.22128.
PubMed 19859954Chowdhury MM, McLain AD, Twine CP. Angioplasty versus bare metal stenting for superficial femoral artery lesions. Cochrane Database Syst Rev. 2014 Jun 24;2014(6):CD006767. doi: 10.1002/14651858.CD006767.pub3.
PubMed 24959692Eliason JL, Wainess RM, Proctor MC, Dimick JB, Cowan JA Jr, Upchurch GR Jr, Stanley JC, Henke PK. A national and single institutional experience in the contemporary treatment of acute lower extremity ischemia. Ann Surg. 2003 Sep;238(3):382-9; discussion 389-90. doi: 10.1097/01.sla.0000086663.49670.d1.
PubMed 14501504Earnshaw JJ, Whitman B, Foy C. National Audit of Thrombolysis for Acute Leg Ischemia (NATALI): clinical factors associated with early outcome. J Vasc Surg. 2004 May;39(5):1018-25. doi: 10.1016/j.jvs.2004.01.019.
PubMed 15111854Howard DP, Banerjee A, Fairhead JF, Hands L, Silver LE, Rothwell PM; Oxford Vascular Study. Population-Based Study of Incidence, Risk Factors, Outcome, and Prognosis of Ischemic Peripheral Arterial Events: Implications for Prevention. Circulation. 2015 Nov 10;132(19):1805-15. doi: 10.1161/CIRCULATIONAHA.115.016424. Epub 2015 Sep 8.
PubMed 26350058Baril DT, Ghosh K, Rosen AB. Trends in the incidence, treatment, and outcomes of acute lower extremity ischemia in the United States Medicare population. J Vasc Surg. 2014 Sep;60(3):669-77.e2. doi: 10.1016/j.jvs.2014.03.244. Epub 2014 Apr 24.
PubMed 24768362Gerhard-Herman MD, Gornik HL, Barrett C, Barshes NR, Corriere MA, Drachman DE, Fleisher LA, Fowkes FGR, Hamburg NM, Kinlay S, Lookstein R, Misra S, Mureebe L, Olin JW, Patel RAG, Regensteiner JG, Schanzer A, Shishehbor MH, Stewart KJ, Treat-Jacobson D, Walsh ME. 2016 AHA/ACC Guideline on the Management of Patients With Lower Extremity Peripheral Artery Disease: Executive Summary: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines. J Am Coll Cardiol. 2017 Mar 21;69(11):1465-1508. doi: 10.1016/j.jacc.2016.11.008. Epub 2016 Nov 13. No abstract available.
PubMed 27851991Hsieh FY, Lavori PW, Cohen HJ, Feussner JR. An overview of variance inflation factors for sample-size calculation. Eval Health Prof. 2003 Sep;26(3):239-57. doi: 10.1177/0163278703255230.
PubMed 12971199Cepeda MS, Boston R, Farrar JT, Strom BL. Comparison of logistic regression versus propensity score when the number of events is low and there are multiple confounders. Am J Epidemiol. 2003 Aug 1;158(3):280-7. doi: 10.1093/aje/kwg115.
PubMed 12882951Vidi VD, Matheny ME, Resnic FS. Post-marketing device safety surveillance. Contemp Clin Trials. 2011 May;32(3):307-8. doi: 10.1016/j.cct.2011.02.002. Epub 2011 Feb 28. No abstract available.
PubMed 21371573
Study at a glance
From the registry record, last updated by the sponsor on 19 Oct 2020. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Vascular Quality Initiative (VQI) - Data Extraction and Longitudinal Trend Analysis (DELTA) Paclitaxel Device Safety Analysis - Phase I Study
- ClinicalTrials.gov ID
- NCT04110288
- Acronym / sponsor ID
- VQI-PTX / 20193123
- Conditions
- Peripheral Vascular Disease
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 219,483 participants (actual)
- Lead sponsor
- Lahey ClinicUniversity, hospital or other
- Collaborators
- Society for Vascular Surgery Patient Safety Organization
- Study start
- 1 Jan 2017 (actual)
- Primary completion
- 30 Aug 2019 (actual)
- Study completion
- 1 Apr 2020 (actual)
- First posted
- 1 Oct 2019 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The VQI-DELTA Paclitaxel Device Safety Analysis seeks to assess the comparative safety of paclitaxel coated balloons and stents in the treatment of peripheral artery disease (PAD) through analysis of the VQI Peripheral Vascular Intervention (PVI) registry module using the DELTA system.
Detailed description
The VQI-DELTA Paclitaxel Device Safety Analysis seeks to assess the comparative safety of paclitaxel coated balloons and stents in the treatment of PAD through analysis of the Vascular Quality Initiative (VQI) Peripheral Vascular Intervention (PVI) registry module using the DELTA system.
The objective of the VQI - DELTA Paclitaxel Phase I Study is to evaluate the relative safety of Paclitaxel used as an antiproliferative agent in the treatment of symptomatic PAD. The study will analyze Paclitaxel Drug Coated Balloons (DCB) and Paclitaxel Drug Eluting Stents (DES), both together and as unique exposures using propensity score matched survival analysis. If a mortality signal is detected, factors associated with late mortality will be further explored. Phase I is the retrospective component of the planned study, evaluating the 2-year survival of patients treated with a paclitaxel containing/eluting device to matched patients treated with non-paclitaxel devices for symptomatic PAD.
All proposed analyses will be performed using DELTA v3.x, which has the capability to prospectively monitor clinical data repositories for safety signals, and is designed to support risk-adjusted prospective safety surveillance analyses of complex clinical datasets.
Three principle analyses are planned:
- Paclitaxel DCB (including the Bard Lutonix, Medtronic In.Pact and Philips Spectranetics Stellarex DCB's) as compared with propensity matched patients treated with plain balloons.
- Paclitaxel delivering DES (including the Cook Zilver PTX and Boston Scientific Eluvia DES) as compared with propensity matched cases using bare metal stents (BMS).
- Patients treated with either Paclitaxel DCB or Paclitaxel DES compared with propensity matched controls (with DCB patients matched to patients treated with plain balloons, and DES patients matched to patients treated with BMS).
Study design
- Observational model
- Cohort
- Time perspective
- Prospective
- Number of arms
- 4
| Arm | Type | Receives |
|---|---|---|
| Uncoated Balloon Treatment | – | Device: Non-drug coated Device TreatmentPatients treated for PAD with balloon angioplasty, without use of stent. |
| Bare Metal Stent Treatment | – | Device: Non-drug coated Device TreatmentPatients treated for PAD with implantation of bare metal stent. |
| Paclitaxel Coated Balloon | – | Drug: PaclitaxelPatients treated for PAD with drug coated balloon angioplasty, without use of stent. |
| Paclitaxel Eluting Stent | – | Drug: PaclitaxelPatients treated for PAD with implantation of Paclitaxel DES. |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
- Study population
- All patients, age 18 or older, who underwent endovascular interventional treatment of the femoral or popliteal arteries for symptomatic PAD between 1/1/17 through 4/1/2020 will be candidates for inclusion in the analyses.
Key inclusion criteria (1 listed)
- All patients who underwent endovascular interventional treatment of the femoral or popliteal arteries for symptomatic Peripheral Artery Disease.
Key exclusion criteria (3 listed)
- In an effort to focus this safety evaluation on those patients being treated in accordance with accepted 'best practice' endovascular intervention strategies and 'on-label' use of devices, patients will be excluded from either exposure cases or controls if they received a balloon expandable stent or a balloon expandable stent graft in the treatment of femoral or popliteal disease. Balloon expandable stents were excluded because these stents have historically shown inferior patency and current best practice favors placement of self-expanding nitinol stents which were engineered for the femoral popliteal segment and tested in multiple trials for this indication 12-14.
- Additionally, patients will be excluded (as either potential cases or controls) if their index procedure was performed for acute limb ischemia due to the different etiologies (embolism, in-situ thrombosis) as compared with chronic conditions as they have different treatment paradigms and higher major amputation and mortality rates.
- In addition, patients with prior angioplasty or stenting of the superficial femoral artery (SFA)-popliteal segment will be excluded in order to avoid the possibility of improperly assigning paclitaxel exposure to the control group.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| PaclitaxelAlso: TaxolPaclitaxel to treat peripheral arterial disease | Drug | Paclitaxel Coated Balloon, Paclitaxel Eluting Stent |
| Non-drug coated Device Treatment | Device | Bare Metal Stent Treatment, Uncoated Balloon Treatment |
Primary outcome
Survival from Death
Time frame: 2 years post intervention
Freedom from death of any cause
2 secondary outcomes
Intervention Success
Time frame: 2 year post intervention
Successful Ambulation
Time frame: 1 year post intervention
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 19 Oct 2020.
- Background: PubMed 30561254Katsanos K, Spiliopoulos S, Kitrou P, Krokidis M, Karnabatidis D. Risk of Death Following Application of Paclitaxel-Coated Balloons and Stents in the Femoropopliteal Artery of the Leg: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. J Am Heart Assoc. 2018 Dec 18;7(24):e011245. doi: 10.1161/JAHA.118.011245.
- Background: PubMed 28121489Resnic FS, Majithia A, Marinac-Dabic D, Robbins S, Ssemaganda H, Hewitt K, Ponirakis A, Loyo-Berrios N, Moussa I, Drozda J, Normand SL, Matheny ME. Registry-Based Prospective, Active Surveillance of Medical-Device Safety. N Engl J Med. 2017 Feb 9;376(6):526-535. doi: 10.1056/NEJMoa1516333. Epub 2017 Jan 25.
- Background: PubMed 25491915Kumar A, Matheny ME, Ho KK, Yeh RW, Piemonte TC, Waldman H, Shah PB, Cope R, Normand SL, Donnelly S, Robbins S, Resnic FS. The data extraction and longitudinal trend analysis network study of distributed automated postmarket cardiovascular device safety surveillance. Circ Cardiovasc Qual Outcomes. 2015 Jan;8(1):38-46. doi: 10.1161/CIRCOUTCOMES.114.001123. Epub 2014 Dec 9.
- Background: PubMed 21063011Resnic FS, Gross TP, Marinac-Dabic D, Loyo-Berrios N, Donnelly S, Normand SL, Matheny ME. Automated surveillance to detect postprocedure safety signals of approved cardiovascular devices. JAMA. 2010 Nov 10;304(18):2019-27. doi: 10.1001/jama.2010.1633.
- Background: PubMed 19317587Schillinger M, Minar E. Past, present and future of femoropopliteal stenting. J Endovasc Ther. 2009 Feb;16 Suppl 1:I147-52. doi: 10.1583/1545-1550-16.16.I-147.
- Background: PubMed 19859954Dick P, Wallner H, Sabeti S, Loewe C, Mlekusch W, Lammer J, Koppensteiner R, Minar E, Schillinger M. Balloon angioplasty versus stenting with nitinol stents in intermediate length superficial femoral artery lesions. Catheter Cardiovasc Interv. 2009 Dec 1;74(7):1090-5. doi: 10.1002/ccd.22128.
- Background: PubMed 24959692Chowdhury MM, McLain AD, Twine CP. Angioplasty versus bare metal stenting for superficial femoral artery lesions. Cochrane Database Syst Rev. 2014 Jun 24;2014(6):CD006767. doi: 10.1002/14651858.CD006767.pub3.
- Background: PubMed 14501504Eliason JL, Wainess RM, Proctor MC, Dimick JB, Cowan JA Jr, Upchurch GR Jr, Stanley JC, Henke PK. A national and single institutional experience in the contemporary treatment of acute lower extremity ischemia. Ann Surg. 2003 Sep;238(3):382-9; discussion 389-90. doi: 10.1097/01.sla.0000086663.49670.d1.
- Background: PubMed 15111854Earnshaw JJ, Whitman B, Foy C. National Audit of Thrombolysis for Acute Leg Ischemia (NATALI): clinical factors associated with early outcome. J Vasc Surg. 2004 May;39(5):1018-25. doi: 10.1016/j.jvs.2004.01.019.
- Background: PubMed 26350058Howard DP, Banerjee A, Fairhead JF, Hands L, Silver LE, Rothwell PM; Oxford Vascular Study. Population-Based Study of Incidence, Risk Factors, Outcome, and Prognosis of Ischemic Peripheral Arterial Events: Implications for Prevention. Circulation. 2015 Nov 10;132(19):1805-15. doi: 10.1161/CIRCULATIONAHA.115.016424. Epub 2015 Sep 8.
- Background: PubMed 24768362Baril DT, Ghosh K, Rosen AB. Trends in the incidence, treatment, and outcomes of acute lower extremity ischemia in the United States Medicare population. J Vasc Surg. 2014 Sep;60(3):669-77.e2. doi: 10.1016/j.jvs.2014.03.244. Epub 2014 Apr 24.
- Background: PubMed 27851991Gerhard-Herman MD, Gornik HL, Barrett C, Barshes NR, Corriere MA, Drachman DE, Fleisher LA, Fowkes FGR, Hamburg NM, Kinlay S, Lookstein R, Misra S, Mureebe L, Olin JW, Patel RAG, Regensteiner JG, Schanzer A, Shishehbor MH, Stewart KJ, Treat-Jacobson D, Walsh ME. 2016 AHA/ACC Guideline on the Management of Patients With Lower Extremity Peripheral Artery Disease: Executive Summary: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines. J Am Coll Cardiol. 2017 Mar 21;69(11):1465-1508. doi: 10.1016/j.jacc.2016.11.008. Epub 2016 Nov 13. No abstract available.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Frederic S Resnic, MD MSc principal investigator
Lahey Hospital & Medical Center
Daniel Bertges, MD study chair
Society for Vascuar Surgery Patient Safety Organization
Jens Eldrup-Jorgensen, MD study director
Society for Vascuar Surgery Patient Safety Organization
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Peripheral Vascular Disease, run by Lahey Clinic at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 1 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 19 Oct 2020. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Survival from Death (time frame: 2 years post intervention). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT04110288, which also lists 18 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 19 Oct 2020.