Ischemic StrokePhase 4DORICNCT02983214
Diabetic Artery Obstruction: is it Possible to Reduce Ischemic Events With Cilostazol?
A Phase 4 study testing Clopidogrel and Cilostazol in people with Ischemic Stroke and Peripheral Artery Disease, run by University of Ioannina at 1 site in Greece.
Trial summary
Investigation of the clinical efficacy and safety of dual antiplatelet therapy with clopidogrel and cilostazol versus clopidogrel alone in preventing ischemic vascular events in patients with type 2 diabetes and symptomatic peripheral arterial disease. Read more about this study
- Who is it for?
- Ages 50 years and older
- Conditions the study is for
- Ischemic Stroke, Peripheral Artery Disease, Diabetes Mellitus, Type 2
- What is being tested?
- Clopidogrel and Cilostazol
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 826 participants
- Where
- 1 siteGreece
- Study dates
- Nov 2016to Oct 2019
- Phase
- Phase 4
- 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 50 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Patients aged ≥50 years with DM2 and symptomatic PAD diagnosed clinically (according to Fontaine criteria, stage IIa or IIb and III) and by measuring the ΑΒΙ.
Who cannot join
- Congestive heart failure, history of ventricular tachycardia, ventricular fibrillation or multifocal ventricular extrasystoles or QTc prolongation.
- Patients with atrial fibrillation taking any anticoagulant therapy or patients with a history of cardioembolic ischemic stroke or hemorrhagic stroke.
- Patients with a history (≤ 12 months) of acute coronary syndrome receiving dual antiplatelet therapy, or patients receiving monotherapy with aspirin.
- Patients with hepatic impairment (child-Pugh staging, calibration ≥ 5) or renal impairment (creatinine clearance ≤ 30ml / min), recent peptic ulcer, a history of hypersensitivity to cilostazol, cancer patients undergoing treatment.
Trial locations and contacts
1 site in 1 country.
Greece1 site
Atherothrombosis Research Centre / Laboratory of Biochemistry, University of Ioannina
Ioannina, Epirus, 45110
About this study
Official title: Study of the Efficacy and Safety of Cilostazol in the Prevention of Ischemic Vascular Events in Diabetic Patients With Symptomatic Peripheral Artery Disease.
Investigation of the clinical efficacy and safety of dual antiplatelet therapy with clopidogrel and cilostazol versus clopidogrel alone in preventing ischemic vascular events in patients with type 2 diabetes and symptomatic peripheral arterial disease.
Read the detailed description
Cilostazol is a quinoline derivative that selectively and reversibly inhibits cellular cyclic adenosine monophosphate (cAMP) phosphodiesterase III, thus suppressing cAMP degradation and maintaining its high intracellular levels. Through this mechanism, cilostazol inhibits platelet aggregation, exerting significant antiplatelet and antithrombotic activity. Cilostazol also improves endothelial function and exerts anti-inflammatory, anti-atherogenic and vasodilatory effects. Additionally, cilostazol inhibits equilibrative nucleoside transporter-1 (ENT-1) which is responsible for the cellular uptake of adenosine, reducing its plasma concentration. Through this mechanism, cilostazol maintains high extracellular adenosine concentration allowing adenosine to exert its biological effects. Thus, cilostazol not only shows potent antithrombotic activity, but also prevents restenosis after percutaneous coronary intervention (PCI). Finally, cilostazol has beneficial effects in the lipidemic profile reducing triglyceride levels and increasing HDL-cholesterol. Clinical studies have shown that in patients with intermittent claudication, cilostazol increases the walking distance. Based on these studies, cilostazol administration in combination with an antiplatelet drug (clopidogrel or aspirin) is recommended for patients with intertermittent claudication.
Recent pharmacodynamic studies have demonstrated that adding cilostazol to aspirin or clopidogrel may represent an effective way to overcome high on-treatment platelet reactivity. Additionally, clinical studies have shown that the addition of cilostazol to dual antiplatelet therapy with aspirin and clopidogrel (triple antiplatelet therapy, TAPT) in patients with acute coronary syndrome undergoing PCI offers significant clinical benefit. This favorable effect of cilostazol was confirmed in a recent meta-analysis which included nine studies and a total of 2,179 patients undergoing PCI. Furthermore, other clinical studies have shown that administration of TAPT with cilostazol reduces restenosis after PCI. Finally, the administration of dual antiplatelet therapy with cilostazol and aspirin significantly reduces the progression of symptomatic intracranial arterial stenosis compared to monotherapy with aspirin.
The aim of The Diabetic artery Obstruction: is it possible to Reduce Ischemic events with Cilostazol? (DORIC) trial is to investigate the clinical efficacy and safety of dual antiplatelet therapy (DAPT) with clopidogrel and cilostazol versus clopidogrel alone in preventing ischemic vascular eventsin patients with type 2 diabetes (DM2) and symptomatic peripheral arterial disease (PAD).
- Being tested
- Clopidogrel, Cilostazol
- Keywords
- Cilostazol, Clopidogrel, Peripheral Artery Disease
- Medical subject headings
- Ischemic Stroke, Peripheral Arterial Disease, Diabetes Mellitus, Type 2
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
ClopidogrelDrug
Also called Plavix, Clodelib, Clovelen
CilostazolDrug
Also called Claudiasil
| Study group | Role | What they receive |
|---|---|---|
| Clopidogrel | Active comparator | Clopidogrel 75 mg/day Receives: Drug: Clopidogrel |
| Clopidogrel plus cilostazol | Active comparator | Clopidogrel 75 mg/day plus cilostazol 100 mg twice/day Receives: Drug: Clopidogrel; Drug: Cilostazol |
What is being measured
The primary outcome is the main question the study is designed to answer.
Number of participants who suffer from the primary efficacy end point which is composite of acute ischemic stroke/transient ischemic attack (TIA), myocardial infarction (MI), or death from vascular causes during the entire follow-up period.
Death from vascular causes: cardiovascular or cerebrovascular
Measured: 12 months
Number of participants who suffer from bleeding events as defined by the Bleeding Academic Research Consortium (BARC) criteria during the entire follow-up period.
Measured: 12 months
Secondary outcomes (2)
Number of participants whose major secondary efficacy end point desribed in the description section is observed.
Acute ischemic stroke / TIA, AMI, coronary stent thrombosis, PCI, coronary restenosis, death from cardiovascular causes, death from any cause, hospitalization for acute limb ischemia, lower extremity arterial revascularization, improvement of ABI and pain-free walking distance values.
Measured: 12 months
Number of participants who suffer from the secondary safety end points which are palpitations, tachycardia, headache, diarrhea, urticaria, neoplasms, blood disorders, drug interruption.
Blood disorders: transient thrombocytopenia, leukopenia
Measured: 12 months
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted6 Dec 2016 (estimated)
- Study startNov 2016
- Primary completionOct 2019
- Study completionOct 2019
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (16)Papers the sponsor has linked to this study.
- Other trials for Ischemic StrokeStudies 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
- Interventional
- Phase
- Phase 4
- Primary purpose
- Health services research
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 826 participants (actual)
Sponsor and investigators
- Lead sponsor
- University of Ioannina
- Sponsor type
- University, hospital or other
- Collaborators
- LIBYTEC Pharmaceutical S.A.
- Responsible party
- Principal investigator, Alexandros Tselepis, University of Ioannina
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT02983214
- Sponsor's protocol ID
- Cilo-UoI-2016
- Acronym
- DORIC
- Status last verified
- Dec 2020
- First submitted
- 29 Nov 2016
- Last updated
- 29 Dec 2020
- Results posted
- No
- Data monitoring committee
- Yes
- Individual data sharing
- No
Publications
Kalantzi KI, Tsoumani ME, Goudevenos IA, Tselepis AD. Pharmacodynamic properties of antiplatelet agents: current knowledge and future perspectives. Expert Rev Clin Pharmacol. 2012 May;5(3):319-36. doi: 10.1586/ecp.12.19.
PubMed 22697594Dindyal S, Kyriakides C. A review of cilostazol, a phosphodiesterase inhibitor, and its role in preventing both coronary and peripheral arterial restenosis following endovascular therapy. Recent Pat Cardiovasc Drug Discov. 2009 Jan;4(1):6-14. doi: 10.2174/157489009787260025.
PubMed 19149700Jeong YH, Tantry US, Bliden KP, Gurbel PA. Cilostazol to overcome high on-treatment platelet reactivity in korean patients treated with clopidogrel and calcium-channel blocker. Circ J. 2011;75(11):2534-6. doi: 10.1253/circj.cj-11-1076. Epub 2011 Oct 5. No abstract available.
PubMed 21970840Rizzo M, Corrado E, Patti AM, Rini GB, Mikhailidis DP. Cilostazol and atherogenic dyslipidemia: a clinically relevant effect? Expert Opin Pharmacother. 2011 Mar;12(4):647-55. doi: 10.1517/14656566.2011.557359. Epub 2011 Feb 2.
PubMed 21284580Liu Y, Fong M, Cone J, Wang S, Yoshitake M, Kambayashi J. Inhibition of adenosine uptake and augmentation of ischemia-induced increase of interstitial adenosine by cilostazol, an agent to treat intermittent claudication. J Cardiovasc Pharmacol. 2000 Sep;36(3):351-60. doi: 10.1097/00005344-200009000-00011.
PubMed 10975593Tselepis AD. Cilostazol-based triple antiplatelet therapy in the era of generic clopidogrel and new potent antiplatelet agents. Curr Med Res Opin. 2014 Jan;30(1):51-4. doi: 10.1185/03007995.2013.850070. Epub 2013 Oct 18. No abstract available.
PubMed 24089998Chapman TM, Goa KL. Cilostazol: a review of its use in intermittent claudication. Am J Cardiovasc Drugs. 2003;3(2):117-38. doi: 10.2165/00129784-200303020-00006.
PubMed 14727939Rooke TW, Hirsch AT, Misra S, Sidawy AN, Beckman JA, Findeiss LK, Golzarian J, Gornik HL, Halperin JL, Jaff MR, Moneta GL, Olin JW, Stanley JC, White CJ, White JV, Zierler RE; Society for Cardiovascular Angiography and Interventions; Society of Interventional Radiology; Society for Vascular Medicine; Society for Vascular Surgery. 2011 ACCF/AHA Focused Update of the Guideline for the Management of Patients With Peripheral Artery Disease (updating the 2005 guideline): a report of the American College of Cardiology Foundation/American Heart Association Task Force on Practice Guidelines. J Am Coll Cardiol. 2011 Nov 1;58(19):2020-45. doi: 10.1016/j.jacc.2011.08.023. Epub 2011 Oct 6. No abstract available.
PubMed 21963765Spiliopoulos S. Antiplatelet therapy in critical limb ischemia: update on clopidogrel and cilostazol. J Cardiovasc Surg (Torino). 2014 Oct;55(5):631-40. Epub 2014 May 28.
PubMed 24866775Chen Y, Zhang Y, Tang Y, Huang X, Xie Y. Long-term clinical efficacy and safety of adding cilostazol to dual antiplatelet therapy for patients undergoing PCI: a meta-analysis of randomized trials with adjusted indirect comparisons. Curr Med Res Opin. 2014 Jan;30(1):37-49. doi: 10.1185/03007995.2013.850067. Epub 2013 Oct 18.
PubMed 24083626Min PK, Jung JH, Ko YG, Choi D, Jang Y, Shim WH. Effect of cilostazol on in-stent neointimal hyperplasia after coronary artery stenting: a quantative coronary angiography and volumetric intravascular ultrasound study. Circ J. 2007 Nov;71(11):1685-90. doi: 10.1253/circj.71.1685.
PubMed 17965485Douglas JS Jr, Holmes DR Jr, Kereiakes DJ, Grines CL, Block E, Ghazzal ZM, Morris DC, Liberman H, Parker K, Jurkovitz C, Murrah N, Foster J, Hyde P, Mancini GB, Weintraub WS; Cilostazol for Restenosis Trial (CREST) Investigators. Coronary stent restenosis in patients treated with cilostazol. Circulation. 2005 Nov 1;112(18):2826-32. doi: 10.1161/CIRCULATIONAHA.104.530097. Epub 2005 Oct 24.
PubMed 16246948Kwon SU, Cho YJ, Koo JS, Bae HJ, Lee YS, Hong KS, Lee JH, Kim JS. Cilostazol prevents the progression of the symptomatic intracranial arterial stenosis: the multicenter double-blind placebo-controlled trial of cilostazol in symptomatic intracranial arterial stenosis. Stroke. 2005 Apr;36(4):782-6. doi: 10.1161/01.STR.0000157667.06542.b7. Epub 2005 Mar 3.
PubMed 15746463Panagiotakos DB, Georgousopoulou EN, Pitsavos C, Chrysohoou C, Metaxa V, Georgiopoulos GA, Kalogeropoulou K, Tousoulis D, Stefanadis C; ATTICA Study group. Ten-year (2002-2012) cardiovascular disease incidence and all-cause mortality, in urban Greek population: the ATTICA Study. Int J Cardiol. 2015 Feb 1;180:178-84. doi: 10.1016/j.ijcard.2014.11.206. Epub 2014 Nov 26.
PubMed 25463360Toyoda K, Uchiyama S, Hoshino H, Kimura K, Origasa H, Naritomi H, Minematsu K, Yamaguchi T; CSPS.com Study Investigators. Protocol for Cilostazol Stroke Prevention Study for Antiplatelet Combination (CSPS.com): a randomized, open-label, parallel-group trial. Int J Stroke. 2015 Feb;10(2):253-8. doi: 10.1111/ijs.12420. Epub 2014 Dec 8.
PubMed 25487817
Study at a glance
From the registry record, last updated by the sponsor on 29 Dec 2020. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Study of the Efficacy and Safety of Cilostazol in the Prevention of Ischemic Vascular Events in Diabetic Patients With Symptomatic Peripheral Artery Disease.
- ClinicalTrials.gov ID
- NCT02983214
- Acronym / sponsor ID
- DORIC / Cilo-UoI-2016
- Keywords
- Cilostazol, Clopidogrel, Peripheral Artery Disease
- Phase
- Phase 4
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 826 participants (actual)
- Lead sponsor
- University of IoanninaUniversity, hospital or other
- Collaborators
- LIBYTEC Pharmaceutical S.A.
- Study start
- Nov 2016 (actual)
- Primary completion
- Oct 2019 (actual)
- Study completion
- Oct 2019 (actual)
- First posted
- 6 Dec 2016 (estimated)
- 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.
Investigation of the clinical efficacy and safety of dual antiplatelet therapy with clopidogrel and cilostazol versus clopidogrel alone in preventing ischemic vascular events in patients with type 2 diabetes and symptomatic peripheral arterial disease.
Detailed description
Cilostazol is a quinoline derivative that selectively and reversibly inhibits cellular cyclic adenosine monophosphate (cAMP) phosphodiesterase III, thus suppressing cAMP degradation and maintaining its high intracellular levels. Through this mechanism, cilostazol inhibits platelet aggregation, exerting significant antiplatelet and antithrombotic activity. Cilostazol also improves endothelial function and exerts anti-inflammatory, anti-atherogenic and vasodilatory effects. Additionally, cilostazol inhibits equilibrative nucleoside transporter-1 (ENT-1) which is responsible for the cellular uptake of adenosine, reducing its plasma concentration. Through this mechanism, cilostazol maintains high extracellular adenosine concentration allowing adenosine to exert its biological effects. Thus, cilostazol not only shows potent antithrombotic activity, but also prevents restenosis after percutaneous coronary intervention (PCI). Finally, cilostazol has beneficial effects in the lipidemic profile reducing triglyceride levels and increasing HDL-cholesterol. Clinical studies have shown that in patients with intermittent claudication, cilostazol increases the walking distance. Based on these studies, cilostazol administration in combination with an antiplatelet drug (clopidogrel or aspirin) is recommended for patients with intertermittent claudication.
Recent pharmacodynamic studies have demonstrated that adding cilostazol to aspirin or clopidogrel may represent an effective way to overcome high on-treatment platelet reactivity. Additionally, clinical studies have shown that the addition of cilostazol to dual antiplatelet therapy with aspirin and clopidogrel (triple antiplatelet therapy, TAPT) in patients with acute coronary syndrome undergoing PCI offers significant clinical benefit. This favorable effect of cilostazol was confirmed in a recent meta-analysis which included nine studies and a total of 2,179 patients undergoing PCI. Furthermore, other clinical studies have shown that administration of TAPT with cilostazol reduces restenosis after PCI. Finally, the administration of dual antiplatelet therapy with cilostazol and aspirin significantly reduces the progression of symptomatic intracranial arterial stenosis compared to monotherapy with aspirin.
The aim of The Diabetic artery Obstruction: is it possible to Reduce Ischemic events with Cilostazol? (DORIC) trial is to investigate the clinical efficacy and safety of dual antiplatelet therapy (DAPT) with clopidogrel and cilostazol versus clopidogrel alone in preventing ischemic vascular eventsin patients with type 2 diabetes (DM2) and symptomatic peripheral arterial disease (PAD).
Study design
- Primary purpose
- Health services research
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Clopidogrel | Active comparator | Drug: ClopidogrelClopidogrel 75 mg/day |
| Clopidogrel plus cilostazol | Active comparator | Drug: Clopidogrel, Drug: CilostazolClopidogrel 75 mg/day plus cilostazol 100 mg twice/day |
Who may qualify
- Ages
- 50 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (1 listed)
- Patients aged ≥50 years with DM2 and symptomatic PAD diagnosed clinically (according to Fontaine criteria, stage IIa or IIb and III) and by measuring the ΑΒΙ.
Key exclusion criteria (4 listed)
- Congestive heart failure, history of ventricular tachycardia, ventricular fibrillation or multifocal ventricular extrasystoles or QTc prolongation.
- Patients with atrial fibrillation taking any anticoagulant therapy or patients with a history of cardioembolic ischemic stroke or hemorrhagic stroke.
- Patients with a history (≤ 12 months) of acute coronary syndrome receiving dual antiplatelet therapy, or patients receiving monotherapy with aspirin.
- Patients with hepatic impairment (child-Pugh staging, calibration ≥ 5) or renal impairment (creatinine clearance ≤ 30ml / min), recent peptic ulcer, a history of hypersensitivity to cilostazol, cancer patients undergoing treatment.
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 |
|---|---|---|
| ClopidogrelAlso: Plavix, Clodelib, Clovelen | Drug | Clopidogrel, Clopidogrel plus cilostazol |
| CilostazolAlso: Claudiasil | Drug | Clopidogrel plus cilostazol |
Primary outcome
Number of participants who suffer from the primary efficacy end point which is composite of acute ischemic stroke/transient ischemic attack (TIA), myocardial infarction (MI), or death from vascular causes during the entire follow-up period.
Time frame: 12 months
Death from vascular causes: cardiovascular or cerebrovascular
Number of participants who suffer from bleeding events as defined by the Bleeding Academic Research Consortium (BARC) criteria during the entire follow-up period.
Time frame: 12 months
2 secondary outcomes
Number of participants whose major secondary efficacy end point desribed in the description section is observed.
Time frame: 12 months
Number of participants who suffer from the secondary safety end points which are palpitations, tachycardia, headache, diarrhea, urticaria, neoplasms, blood disorders, drug interruption.
Time frame: 12 months
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 29 Dec 2020.
- Background: PubMed 22697594Kalantzi KI, Tsoumani ME, Goudevenos IA, Tselepis AD. Pharmacodynamic properties of antiplatelet agents: current knowledge and future perspectives. Expert Rev Clin Pharmacol. 2012 May;5(3):319-36. doi: 10.1586/ecp.12.19.
- Background: PubMed 19149700Dindyal S, Kyriakides C. A review of cilostazol, a phosphodiesterase inhibitor, and its role in preventing both coronary and peripheral arterial restenosis following endovascular therapy. Recent Pat Cardiovasc Drug Discov. 2009 Jan;4(1):6-14. doi: 10.2174/157489009787260025.
- Background: PubMed 21970840Jeong YH, Tantry US, Bliden KP, Gurbel PA. Cilostazol to overcome high on-treatment platelet reactivity in korean patients treated with clopidogrel and calcium-channel blocker. Circ J. 2011;75(11):2534-6. doi: 10.1253/circj.cj-11-1076. Epub 2011 Oct 5. No abstract available.
- Background: PubMed 21284580Rizzo M, Corrado E, Patti AM, Rini GB, Mikhailidis DP. Cilostazol and atherogenic dyslipidemia: a clinically relevant effect? Expert Opin Pharmacother. 2011 Mar;12(4):647-55. doi: 10.1517/14656566.2011.557359. Epub 2011 Feb 2.
- Background: PubMed 10975593Liu Y, Fong M, Cone J, Wang S, Yoshitake M, Kambayashi J. Inhibition of adenosine uptake and augmentation of ischemia-induced increase of interstitial adenosine by cilostazol, an agent to treat intermittent claudication. J Cardiovasc Pharmacol. 2000 Sep;36(3):351-60. doi: 10.1097/00005344-200009000-00011.
- Background: PubMed 24089998Tselepis AD. Cilostazol-based triple antiplatelet therapy in the era of generic clopidogrel and new potent antiplatelet agents. Curr Med Res Opin. 2014 Jan;30(1):51-4. doi: 10.1185/03007995.2013.850070. Epub 2013 Oct 18. No abstract available.
- Background: PubMed 14727939Chapman TM, Goa KL. Cilostazol: a review of its use in intermittent claudication. Am J Cardiovasc Drugs. 2003;3(2):117-38. doi: 10.2165/00129784-200303020-00006.
- Background: PubMed 21963765Rooke TW, Hirsch AT, Misra S, Sidawy AN, Beckman JA, Findeiss LK, Golzarian J, Gornik HL, Halperin JL, Jaff MR, Moneta GL, Olin JW, Stanley JC, White CJ, White JV, Zierler RE; Society for Cardiovascular Angiography and Interventions; Society of Interventional Radiology; Society for Vascular Medicine; Society for Vascular Surgery. 2011 ACCF/AHA Focused Update of the Guideline for the Management of Patients With Peripheral Artery Disease (updating the 2005 guideline): a report of the American College of Cardiology Foundation/American Heart Association Task Force on Practice Guidelines. J Am Coll Cardiol. 2011 Nov 1;58(19):2020-45. doi: 10.1016/j.jacc.2011.08.023. Epub 2011 Oct 6. No abstract available.
- Background: PubMed 24866775Spiliopoulos S. Antiplatelet therapy in critical limb ischemia: update on clopidogrel and cilostazol. J Cardiovasc Surg (Torino). 2014 Oct;55(5):631-40. Epub 2014 May 28.
- Background: PubMed 24083626Chen Y, Zhang Y, Tang Y, Huang X, Xie Y. Long-term clinical efficacy and safety of adding cilostazol to dual antiplatelet therapy for patients undergoing PCI: a meta-analysis of randomized trials with adjusted indirect comparisons. Curr Med Res Opin. 2014 Jan;30(1):37-49. doi: 10.1185/03007995.2013.850067. Epub 2013 Oct 18.
- Background: PubMed 17965485Min PK, Jung JH, Ko YG, Choi D, Jang Y, Shim WH. Effect of cilostazol on in-stent neointimal hyperplasia after coronary artery stenting: a quantative coronary angiography and volumetric intravascular ultrasound study. Circ J. 2007 Nov;71(11):1685-90. doi: 10.1253/circj.71.1685.
- Background: PubMed 16246948Douglas JS Jr, Holmes DR Jr, Kereiakes DJ, Grines CL, Block E, Ghazzal ZM, Morris DC, Liberman H, Parker K, Jurkovitz C, Murrah N, Foster J, Hyde P, Mancini GB, Weintraub WS; Cilostazol for Restenosis Trial (CREST) Investigators. Coronary stent restenosis in patients treated with cilostazol. Circulation. 2005 Nov 1;112(18):2826-32. doi: 10.1161/CIRCULATIONAHA.104.530097. Epub 2005 Oct 24.
- 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.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 4 study testing Clopidogrel and Cilostazol in people with Ischemic Stroke and Peripheral Artery Disease, run by University of Ioannina at 1 site in Greece.
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 4 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 29 Dec 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 Greece. 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.
What does this phase mean?
Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
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?
Number of participants who suffer from the primary efficacy end point which is composite of acute ischemic stroke/transient ischemic attack (TIA), myocardial infarction (MI), or death from vascular causes during the entire follow-up period. (time frame: 12 months). The study lists 2 primary outcomes in all. 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 NCT02983214, which also lists 16 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 29 Dec 2020.