Cilostazol clinical trials
Also written Pletal.
How each study uses Cilostazol is sorted by a rule, right about nine times in ten. Readers can ask us to read every study one by one.Ask us to read each study
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Breast cancer · Recruiting: 2 came in, 3 changed
What changed in your saved searches, Oct 31 – Nov 6:
A study of drug A after surgery for early breast cancer
Came in · now Recruiting
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Changed
· Sites: 4 added, including Seoul and Busan
· Enrollment: 300 → 450 participants
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Approvals
The first approval found in each region, with its record
- United States
- 15 Jan 1999 · PLETAL · NDA 020863 (FDA, Drugs@FDA)
- European Union
- Not in EMA's list of EU-wide authorisations
From FDA's Drugs@FDA and Purple Book (through openFDA) and the European Medicines Agency, files of Sept 2026 and 27 Oct 2026. National approvals in Europe and other countries are not included. How this is worked out
How studies write it
Studies that test it under each name
Studies by the year they started
124 studies that test it; most in 2009 (11); 1 more planned to start later
| Year | Studies |
|---|---|
| 1992 | 1 |
| 2001 | 2 |
| 2003 | 3 |
| 2004 | 9 |
| 2005 | 2 |
| 2006 | 4 |
| 2007 | 6 |
| 2008 | 5 |
| 2009 | 11 |
| 2010 | 6 |
| 2011 | 6 |
| 2012 | 4 |
| 2013 | 9 |
| 2014 | 2 |
| 2015 | 4 |
| 2016 | 7 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 4 |
| 2021 | 4 |
| 2022 | 10 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 5 |
| 2026 | 4 |
By phase
A phase 1/2 study counts in both.
What it is tested for
Each study’s main condition, where its own words name it, so a study counts once.
Who runs them
Industry 30 · Other 95
Kafrelsheikh University (9) · Otsuka Beijing Research Institute (5) · Genovate Biotechnology Co., Ltd., (5) · Korea Otsuka Pharmaceutical Co., Ltd. (5) · Asan Medical Center (5) · Seoul National University Hospital (4) · Samsung Medical Center (4) · Gyeongsang National University Hospital (4)
Often tested with
Tested in the same studies.
Clopidogrel (12) · Probucol (9) · Ticagrelor (6) · Aspirin (3) · Isosorbide mononitrate (2) · Simvastatin (2) · Desloratadine (1) · Dipyridamole (1)
Coming up
From the study records. Dates are the sponsors’ own estimates and often move.
Reaching primary completion within a year · 5, 1 in phase 3
Studies that test Cilostazol, phase 3 first.
- May 2027Cilostazol for Preventing Delayed Cerebral Ischemia in Aneurysmal Subarachnoid HemorrhagePhase 3 · Beijing Tiantan Hospital
- Nov 2026Cilostazol in the Treatment of Nonalcoholic Fatty Liver DiseasePhase 1/2 · Tanta University
- Dec 2026Cryocompression With or Without Cilostazol for the Prevention of Paclitaxel-induced Neuropathy in Patients With Gynecological CancersPhase 2 · Emory University
- Jan 2027Targeting Residual Activity By Precision, Biomarker-Guided Combination Therapies of Multiple Sclerosis (TRAP-MS)Phase 1/2 · National Institute of Allergy and Infectious Diseases (NIAID)
- Sep 2027Prevention of Stroke Recurrence and Disease Progression in Cerebral Small Vessel Disease With CilostazolPhase 4 · First Affiliated Hospital of Chengdu Medical College
Studies
Open first, then newest update. How each study uses Cilostazol is read from its arms, and is right about nine times in ten. Ask us to read each study. These are the studies that list it as an intervention; a search of ClinicalTrials.gov also finds studies that mention it only in a description, such as earlier treatment.
Testing it · 125
- CiLostAzol for pReventIon of Recurrent sTroke in AfricaNot yet recruitingPhase 3Northern California Institute of Research and EducationNCT06919835Written as Cilostazol 100 mg
- Long-Term Sequential Dual Antiplatelet Therapy Based on Cilostazol in Symptomatic Intracranial Arterial StenosisRecruitingPhase 4Second Affiliated Hospital of Soochow UniversityNCT07932639Written as Cilostazol
- Cilostazol for Prevention of Recurrent Stroke TrialNot yet recruitingPhase 3Stanford UniversityNCT07174414Written as Cilostazol 100 mg Tablets
- Targeting Residual Activity By Precision, Biomarker-Guided Combination Therapies of Multiple Sclerosis (TRAP-MS)RecruitingPhase 1/2National Institute of Allergy and Infectious Diseases (NIAID)NCT03109288Written as Cilostazol
- Cilostazol for Preventing Delayed Cerebral Ischemia in Aneurysmal Subarachnoid HemorrhageRecruitingPhase 3Beijing Tiantan HospitalNCT07249853Written as Cilostazol 100 mg BID
- Cryocompression With or Without Cilostazol for the Prevention of Paclitaxel-induced Neuropathy in Patients With Gynecological CancersRecruitingPhase 2Emory UniversityNCT06492070Written as Cilostazol
- Retina is a Marker for Cerebrovascular HeathRecruitingPhase 1/2Mayo ClinicNCT04753970Written as Cilostazol
- Cilostazol and Aspirin for Cardiovascular Event Prevention in Patients With Type 2 DiabetesRecruitingPhase 4Seoul National University Bundang HospitalNCT07719894Written as Cilostazol
- Relying on Pharmacotherapy to Improve Motor Gains in Chronic Stroke SurvivorsRecruitingEarly Phase 1Spaulding Rehabilitation HospitalNCT07588932Written as Telmisartan, Metformin, Cilostazol
- The Effect and Safety of Combined Anti-platelet Treatment in Acute Ischemic Stroke Due to Large Artery AtherosclerosisRecruitingPhase 4Asan Medical CenterNCT06757764Written as Cilostazol
- Cilostazol in the Treatment of Nonalcoholic Fatty Liver DiseaseRecruitingPhase 1/2Tanta UniversityNCT07238985Written as Cilostazol
- Prevention of Stroke Recurrence and Disease Progression in Cerebral Small Vessel Disease With CilostazolNot yet recruitingPhase 4First Affiliated Hospital of Chengdu Medical CollegeNCT07180472Written as Cilostazol
- Combining Aspirin With Ticagrelor or Cilostazol in Large-vessel Minor Stroke or TIARecruitingPhase 3Kafrelsheikh UniversityNCT06591377Written as Cilostazol 100 MG
- Cilostazol With Nimodipine to Improve Outcome After Aneurysmal Subarachnoid HemorrhageNot yet recruitingPhase 3Centre Hospitalier St AnneNCT07144956Written as Cilostazol (Pletal®) 100 mg Tablets
- Cilostazol in Parkinson's DiseaseNot yet recruitingPhase 2Ain Shams UniversityNCT06612593Written as Cilostazol
- Combining Aspirin With Ticagrelor or Cilostazol in Minor Stroke or TIARecruitingPhase 3Kafrelsheikh UniversityNCT06591390Written as Cilostazol 100 MG
- Combining Aspirin With Cilostazol or Clopidogrel in Large-vessel Minor Stroke or TIARecruitingPhase 3Kafrelsheikh UniversityNCT06591351Written as Cilostazol 100 MG
- Ticagrelor Versus Cilostazol in Ischemic StrokeRecruitingPhase 3Kafrelsheikh UniversityNCT06561867Written as Cilostazol 100 MG
- Ticagrelor Versus Cilostazol in Large-vessel Ischemic StrokeRecruitingPhase 3Kafrelsheikh UniversityNCT06202755Written as Cilostazol 100 MG
- Ticagrelor Versus Cilostazol in Minor Ischemic Stroke or TIARecruitingPhase 3Kafrelsheikh UniversityNCT06196047Written as Cilostazol 100 MG
See all 125 studies that test Cilostazol →
Given beside what is tested · 4 — Cilostazol is usual care or a partner of the new treatment
- Pharmacodynamic Study of Cilostazol in Healthy VolunteersCompletedPhase 1Otsuka Pharmaceutical Co., Ltd.NCT02554721Written as Cilostazol
- The Effect of Sumatriptan and Placebo Injection on Cilostazol Induced HeadacheCompletedNot applicableDanish Headache CenterNCT03422796Written as Cilostazol 200mg
- Evaluation of Cilostazol in Combination With L-CarnitineCompletedPhase 4Colorado Prevention CenterNCT00822172Written as cilostazol
- The Effect of Sumatriptan and Placebo on Cilostazol Induced HeadacheCompletedNot applicableDanish Headache CenterNCT02486276Written as Cilostazol
As the comparator · 5 — what is tested is compared with Cilostazol
- Clopidogrel Versus Cilostazol on VesselsRecruitingPhase 4Seoul National University Bundang HospitalNCT06402747Written as Cilostazol
- Oxford Haemodynamic Adaptation to Reduce Pulsatility TrialCompletedPhase 2University of OxfordNCT03855332Written as Cilostazol
- Pharmacokinetic Study of Once Daily PMR Compared to Twice Daily Cilostazol IR Tablets in Healthy VolunteersCompletedPhase 1Genovate Biotechnology Co., Ltd.,NCT03480321Written as Cilostazol 100 mg
- Efficacy and Safety of HMR1766 in Patients With Fontaine Stage II Peripheral Arterial DiseaseCompletedPhase 2SanofiNCT00443287Written as cilostazol
- Safety and Efficacy of K-134 for the Treatment of Intermittent ClaudicationCompletedPhase 2Kowa Research Institute, Inc.NCT00783081Written as Cilostazol 100 mg BID
What changed recently
From the registry's own updates since Oct 16, 2026.
Started recruiting1
- Cilostazol for Preventing Delayed Cerebral Ischemia in Aneurysmal Subarachnoid HemorrhageOct 16, 2026NCT07249853
Newly registered1
Codes
What other systems call Cilostazol · ClinicalTrials.gg INT006716
- MeSH (NLM) D000077407CilostazolConfirmed ClinicalTrials.gov, NLM, Wikidata
- UNII (FDA) N7Z035406BCILOSTAZOLConfirmed FDA, NLM, Wikidata
- RxNorm 21107Confirmed FDA, Wikidata
- Wikidata Q258591cilostazolConfirmed FDA, NLM, Wikidata
- NCI Thesaurus C1051CilostazolOne source FDA
- DrugBank DB01166One source Wikidata
| System | Code | Name there | Checked by |
|---|---|---|---|
| MeSH (NLM) | D000077407 | Cilostazol | Confirmed ClinicalTrials.gov, NLM, Wikidata |
| UNII (FDA) | N7Z035406B | CILOSTAZOL | Confirmed FDA, NLM, Wikidata |
| RxNorm | 21107 | — | Confirmed FDA, Wikidata |
| Wikidata | Q258591 | cilostazol | Confirmed FDA, NLM, Wikidata |
| NCI Thesaurus | C1051 | Cilostazol | One source FDA |
| DrugBank | DB01166 | — | One source Wikidata |
“Confirmed” means two independent publishers link the code to this drug; “one source”, one does and its name agrees.