About this data
Pipeline and clinical trial information here comes primarily from ClinicalTrials.gov. A listing on ClinicalTrials.gov means a study has been registered — not that a treatment is proven safe, effective, or FDA-approved. Investigational treatments may never be approved. Who can join a trial is decided only by that trial's own study team.
ASP1941
- Company
- Astellas Pharma Inc
- Mechanism
- Mechanism not yet reported
- Route
- Route not yet reported
- Recruiting trials
- None currently listed
Efficacy results: Not yet reported
No recruiting studies currently listed
See all studies for this drugData source: ClinicalTrials.gov · trial data as of Sep 11, 2026
Trial details
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Completed NCT NCT00621868
A Study of ASP1941 in Participants With Type 2 Diabetes Mellitus
Not yet reported Astellas Pharma Inc 361 participants Est. completion 2009-03-14 8 sitesOther conditions: Diabetes MellitusView official trial listing → -
Completed NCT NCT00790660
A Study to Assess the Safety and Tolerability of ASP1941 in Adults With Type 2 Diabetes Mellitus.
Not yet reported Astellas Pharma Inc 61 participants Est. completion 2009-03-06 1 site Stand-aloneType 2 diabetesView official trial listing → -
Completed NCT NCT01023945
A Study of ASP1941 in Japanese Patients With Type 2 Diabetes Mellitus
Not yet reported Astellas Pharma Inc 30 participants Est. completion 2010-03-26 1 site Stand-aloneType 2 diabetesView official trial listing → -
Completed NCT NCT01054092
A Study to Assess the Long-term Safety and Efficacy of ASP1941 in Japanese Diabetic Patients
Not yet reported Astellas Pharma Inc 182 participants Est. completion 2011-07-22 7 sites Stand-aloneType 2 diabetesView official trial listing → -
Completed NCT NCT01057628
A Study to Assess the Efficacy and Safety of ASP1941 in Japanese Type 2 Diabetes Patients
Not yet reported Astellas Pharma Inc 130 participants Est. completion 2010-11-06 5 sites Stand-aloneType 2 diabetesView official trial listing → -
Completed NCT NCT01071850
A Study to Evaluate the Effect of ASP1941 in Adult Patients With Type 2 Diabetes Mellitus
Not yet reported Astellas Pharma Inc 412 participants Est. completion 2011-04-11 59 sites Stand-aloneType 2 diabetesView official trial listing → -
Completed NCT NCT01088919
A Study to Characterize the Effect on the Pharmacokinetics of ASP1941 and Pioglitazone Hydrochloride When Given Together to Healthy Subjects
Not yet reported Astellas Pharma Inc 64 participants Est. completion 2009-12 1 site Stand-aloneOther conditions: Healthy, Pharmacokinetics of ASP1941View official trial listing → -
Completed NCT NCT01097681
A Study to Assess the Pharmacokinetics, Pharmacodynamics of ASP1941 in Diabetes Mellitus Patients With Renal Impairment
Not yet reported Astellas Pharma Inc 25 participants Est. completion 2010-06-18 2 sites Stand-aloneType 2 diabetesView official trial listing → -
Completed NCT NCT01099839
A Study to Assess Drug-Drug Interaction Between ASP1941 and Miglitol
Not yet reported Astellas Pharma Inc 30 participants Est. completion 2010-04 1 site Stand-aloneOther conditions: Healthy Volunteers, Pharmacokinetics of ASP1941View official trial listing → -
Completed NCT NCT01104532
A Study to Characterize the Effect on the Pharmacokinetics of ASP1941 and Sitagliptin When Given Together to Healthy Subjects
Not yet reported Astellas Pharma Inc 64 participants Est. completion 2010-03 1 site Stand-aloneOther conditions: Healthy, Pharmacokinetics of ASP1941View official trial listing → -
Completed NCT NCT01117584
A Study to Evaluate the Effect of ASP1941 in Combination With Metformin in Adult Patients With Type 2 Diabetes Mellitus
Not yet reported Astellas Pharma Inc 343 participants Est. completion 2011-04-01 44 sites Stand-aloneType 2 diabetesView official trial listing → -
Completed NCT NCT01121198
A Study to Assess Safety and Tolerability of ASP1941 After Single and Repeated Administration in Healthy Subjects
Not yet reported Astellas Pharma Inc 84 participants Est. completion 2007-07 1 site Stand-aloneOther conditions: Healthy Volunteer, Pharmacokinetics of ASP1941View official trial listing → -
Completed NCT NCT01135433
A Study to Assess the Efficacy and Safety of ASP1941 in Combination With Metformin in Type 2 Diabetic Patients
Not yet reported Astellas Pharma Inc 168 participants Est. completion 2011-11-28 7 sites Stand-aloneType 2 diabetesView official trial listing → -
Completed NCT NCT01187186
A Study to Assess the Effect of Hepatic Function on the Pharmacokinetics and Safety of ASP1941
Not yet reported Astellas Pharma Inc 16 participants Est. completion 2010-08 1 site Stand-aloneOther conditions: Liver DiseaseView official trial listing → -
Completed NCT NCT01225081
A Study to Assess the Efficacy and Safety of ASP1941 in Combination With Pioglitazone in Type 2 Diabetic Patients
Not yet reported Astellas Pharma Inc 152 participants Est. completion 2012-04-28 7 sites Stand-aloneType 2 diabetesView official trial listing → -
Completed NCT NCT01232413
A Study of the Effect of ASP1941 on Cardiac Repolarization in Healthy Subjects
Not yet reported Astellas Pharma Inc 88 participants Est. completion 2011-02 1 site Stand-aloneOther conditions: Healthy Subjects, Cardiac RepolarizationView official trial listing → -
Completed NCT NCT01242202
A Study to Assess the Safety and Efficacy of ASP1941 in Combination With α-glucosidase Inhibitor in Type 2 Diabetic Patients
Not yet reported Astellas Pharma Inc 113 participants Est. completion 2012-05-25 6 sites Stand-aloneType 2 diabetesView official trial listing → -
Completed NCT NCT01242215
A Study to Assess the Efficacy and Safety of ASP1941 in Combination With Sulfonylurea in Type 2 Diabetic Patients
Not yet reported Astellas Pharma Inc 243 participants Est. completion 2012-04-25 7 sites Stand-aloneType 2 diabetesView official trial listing → -
Completed NCT NCT01242228
A Study to Assess the Safety and Efficacy of ASP1941 in Combination With Dipeptidyl Peptidase-4 (DPP-4) Inhibitor in Type 2 Diabetic Patients
Not yet reported Astellas Pharma Inc 106 participants Est. completion 2012-06-06 6 sites Stand-aloneType 2 diabetesView official trial listing → -
Completed NCT NCT01288885
First in Men Study of Single Oral Doses of ASP1941 in Healthy Subjects
Not yet reported Astellas Pharma Inc 76 participants Est. completion 2007-05 1 siteOther conditions: HealthyView official trial listing → -
Completed NCT NCT01288898
Multiple Dose Escalating Study to Assess the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of ASP1941
Not yet reported Astellas Pharma Inc 48 participants Est. completion 2008-03 1 siteOther conditions: HealthyView official trial listing → -
Completed NCT NCT01302028
Renal Impairment Study With ASP1941
Not yet reported Astellas Pharma Inc 40 participants Est. completion 2010-06-26 5 sites Stand-aloneType 2 diabetesView official trial listing → -
Completed NCT NCT01302132
Mass Balance Study of ASP1941
Not yet reported Astellas Pharma Inc 6 participants Est. completion 2008-10 1 siteOther conditions: Healthy SubjectsView official trial listing → -
Completed NCT NCT01302145
Drug to Drug Interaction Study With ASP1941 and Metformin
Not yet reported Astellas Pharma Inc 36 participants Est. completion 2009-12-09 5 sites Stand-aloneType 2 diabetesView official trial listing → -
Completed NCT NCT01302158
Drug-drug Interaction Study With ASP1941 and Glimepiride
Not yet reported Astellas Pharma Inc 52 participants Est. completion 2010-04 1 siteOther conditions: Healthy SubjectsView official trial listing → -
Completed NCT NCT01316094
A Study to Assess Efficacy and Safety of ASP1941 in Diabetic Patients With Renal Impairment
Not yet reported Astellas Pharma Inc 165 participants Est. completion 2012-11-28 8 sites Stand-aloneType 2 diabetesView official trial listing → -
Completed NCT NCT01316107
A Study to Assess Safety and Efficacy of ASP1941 in Combination With Nateglinide in Type 2 Diabetic Patients
Not yet reported Astellas Pharma Inc 122 participants Est. completion 2012-10-19 4 sites Stand-aloneType 2 diabetesView official trial listing → -
Completed NCT NCT01373060
A Study to Assess the Safety, Pharmacokinetics and Pharmacodynamics of ASP1941 in Healthy Male Taiwanese Subjects
Not yet reported Astellas Pharma Inc 56 participants Est. completion 2011-03 1 site Stand-aloneOther conditions: Healthy, Pharmacokinetics of ASP1941View official trial listing → -
Completed NCT NCT01403818
A Study to Assess the Effect of ASP1941 and Mitiglinide on Their Plasma Concentration
Not yet reported Astellas Pharma Inc 60 participants Est. completion 2011-08 1 site Stand-aloneOther conditions: Healthy, Pharmacokinetics of ASP1941, Pharmacokinetics of MitiglinideView official trial listing → -
Completed NCT NCT01505426
A Study to Assess the Efficacy and Safety of ASP1941 in Combination With Metformin in Asian Diabetes Patients
Not yet reported Astellas Pharma Inc 171 participants Est. completion 2013-01-14 12 sites Stand-aloneOther conditions: Type II Diabetes MellitusView official trial listing → -
Terminated NCT NCT01514838
A Study to Assess the Efficacy and Safety of ASP1941 in Asian Subjects With Type 2 Diabetes Mellitus
Not yet reported Astellas Pharma Inc 46 participants Est. completion 2012-10-19 15 sites Stand-aloneOther conditions: Type II Diabetes MellitusView official trial listing → -
Completed NCT NCT01611363
A Phase 1 Study to Investigate the Mechanism of Action of Ipragliflozin
Not yet reported Astellas Pharma Europe B.V. 44 participants Est. completion 2012-02-03 1 site Stand-aloneType 2 diabetesView official trial listing → -
Completed NCT NCT01611415
Drug to Drug Interaction Study With Ipragliflozin and Furosemide
Not yet reported Astellas Pharma Europe B.V. 24 participants Est. completion 2011-10 1 siteOther conditions: Healthy Subjects, Pharmacokinetics of IpragliflozinView official trial listing → -
Completed NCT NCT01611428
Absolute Bioavailability Study With Ipragliflozin
Not yet reported Astellas Pharma Europe B.V. 14 participants Est. completion 2011-07 1 siteOther conditions: Bioavailability of Ipragliflozin, Healthy SubjectsView official trial listing → -
Completed NCT NCT01672762
A Study to Evaluate Long-term Safety and Efficacy of ASP1941 in Diabetes Patients
Not yet reported Astellas Pharma Inc 174 participants Est. completion 2013-04-13 7 sites Stand-aloneType 2 diabetesView official trial listing → -
Completed NCT NCT01674777
A Study to Investigate the Effect of Food on the Absorption, Distribution and Elimination of ASP1941
Not yet reported Astellas Pharma Inc 30 participants Est. completion 2010-12 1 site Stand-aloneOther conditions: Healthy, Pharmacokinetics of ASP1941View official trial listing → -
Completed NCT NCT01678287
Study of the Pharmacokinetics of ASP1941 and the Effect on Glucose Concentrations in Male and Female Young and Elderly Healthy Adults
Not yet reported Astellas Pharma Global Development, Inc. 65 participants Est. completion 2008-01 1 site Stand-aloneOther conditions: Healthy Volunteers, Pharmacokinetics of ASP1941View official trial listing → -
Completed NCT NCT01972880
A Study to Compare the Oral Absorption of ASP1941 Among Two Types of Tablets
Not yet reported Astellas Pharma Inc 32 participants Est. completion 2014-01 1 site Stand-aloneOther conditions: Healthy, Plasma Concentration of ASP1941View official trial listing → -
Completed NCT NCT02175784
A Study to Assess the Efficacy and Safety of Ipragliflozin in Combination With Insulin in Subjects With Type 2 Diabetes Mellitus
Not yet reported Astellas Pharma Inc 262 participants Est. completion 2015-12-07 8 sitesType 2 diabetesView official trial listing → -
Completed NCT NCT02291874
Post-Marketing Study to Evaluate the Long-term Safety, Tolerability, and Efficacy of Ipragliflozin in Combination With GLP-1 Receptor Agonists in Japanese Patients With Type 2 Diabetes Mellitus (T2DM)
Not yet reported Astellas Pharma Inc 100 participants Est. completion 2016-07-07 6 sitesType 2 diabetesView official trial listing → -
Completed NCT NCT02297620
The Survey of Ipragliflozin Treatment in Elderly type2 Diabetes Patients
Astellas Pharma Inc 8687 participants Est. completion 2015-07 8 sitesType 2 diabetesView official trial listing → -
Completed NCT NCT02452632
A Study to Assess the Efficacy and Safety of ASP1941 in Subjects With Type 2 Diabetes Mellitus Who Have Inadequate Glycemic Control on Metformin and Sitagliptin
Not yet reported Astellas Pharma Korea, Inc. 143 participants Est. completion 2017-01-05 22 sites Stand-aloneType 2 diabetesView official trial listing → -
Completed NCT NCT02479399
Specified Drug Use Results Survey of Ipragliflozin Treatment in type2 Diabetes Patients
Astellas Pharma Inc 11412 participants Est. completion 2018-10-16 8 sitesType 2 diabetesView official trial listing → -
Completed NCT NCT02529449
Pharmacodynamics, Pharmacokinetics, and Safety of ASP1941 in Patients With Type 1 Diabetes Mellitus
Not yet reported Astellas Pharma Inc 43 participants Est. completion 2016-03-19 11 sites Stand-aloneOther conditions: Type 1 Diabetes MellitusView official trial listing → -
Completed NCT NCT02794792
A Study to Assess the Efficacy and Safety of Ipragliflozin in Subjects With Type 2 Diabetes Mellitus Who Have Inadequate Glycemic Control on Metformin
Not yet reported Astellas Pharma Europe B.V. 268 participants Est. completion 2017-06-20 14 sitesType 2 diabetesView official trial listing → -
Completed NCT NCT02847091
Study of Ipragliflozin in Patients With Type 2 Diabetes Mellitus Receiving Insulin Therapy
Not yet reported Astellas Pharma Inc 103 participants Est. completion 2017-11-09 15 sitesType 2 diabetesView official trial listing → -
Completed NCT NCT02897219
A Study of ASP1941 in Combination With Insulin in Patients With Type 1 Diabetes Mellitus
Not yet reported Astellas Pharma Inc 175 participants Est. completion 2018-03-15 36 sites Stand-aloneOther conditions: Type 1 Diabetes MellitusView official trial listing → -
Terminated NCT NCT03118713
A Study to Evaluate the Renal Protective Effect (Urine Albumin-to-Creatinine Ratio (UACR)), Efficacy and Safety of Ipragliflozin in Type 2 Diabetes Mellitus Patients With Albuminuria
Not yet reported Astellas Pharma Korea, Inc. 33 participants Est. completion 2018-12-12 8 sitesType 2 diabetesView official trial listing →
Efficacy history
Not yet reported.
Safety
Not yet reported.
Sources
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This drug may be investigational and not yet approved for any use. Whether someone can join a clinical trial is determined only by that trial's own study team — On The Pen does not determine eligibility. Information here can change; always confirm current details on the official ClinicalTrials.gov listing or with the sponsor.