Efficacy and Safety of DA5221-T When Added to Ongoing DA5221-B1 and DA5221-B2 Combination Therapy in Patients With Type 2 Diabetes Who Have Inadequate Glycemic Control
A Multicenter, Double-blind, Placebo-controlled, Randomized, Parallel, Phase III Clinical Trial to Evaluate the Efficacy and Safety of DA5221-T When Added to Ongoing DA5221-B1 and DA5221-B2 Combination Therapy in Patients With Type 2 Diabetes Who Have Inadequate Glycemic Control
1 other identifier
interventional
174
1 country
1
Brief Summary
This study evaluates the efficacy and safety of adding the SGLT-2 inhibitor DA5221-T to the combination therapy of DA5221-B1 and the DPP-4 inhibitor DA5221-B2 in patients with type 2 diabetes who have inadequate blood glucose control. The study focuses on assessing the effectiveness and safety of the triple combination therapy.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_3 type-2-diabetes
Started Apr 2024
Typical duration for phase_3 type-2-diabetes
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
February 26, 2024
CompletedFirst Posted
Study publicly available on registry
March 4, 2024
CompletedStudy Start
First participant enrolled
April 1, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 5, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
March 31, 2026
CompletedNovember 19, 2025
November 1, 2025
1.4 years
February 26, 2024
November 16, 2025
Conditions
Outcome Measures
Primary Outcomes (1)
Change from the baseline in HbA1c (%) after 24 weeks
Baseline, 24 weeks
Secondary Outcomes (3)
Change from the baseline in fasting plasma glucose(mg/dL) after 24 weeks
Baseline, 24 weeks
Change from the baseline in HbA1c response rate(<7.0%, <6.5%) after 24 weeks
Baseline, 24 weeks
Change from the baseline in weight after 24 weeks
Baseline, 24 weeks
Study Arms (3)
DA5221-T1 + DA5221-R2 + DA5221-B1 + DA5221-B2
EXPERIMENTALDA5221-R1 + DA5221-T2 + DA5221-B1 + DA5221-B2
EXPERIMENTALDA5221-R1 + DA5221-R2 + DA5221-B1 + DA5221-B2
PLACEBO COMPARATORInterventions
DA5221-T1 + DA5221-R2, orally, once daily, up to 24 weeks
DA5221-R1 + DA5221-T2, orally, once daily, up to 24 weeks
DA5221-R1 + DA5221-R2, orally, once daily, up to 24 weeks
DA5221-B1, orally, daily for background therapy
DA5221-B2, orally, daily for background therapy
Eligibility Criteria
You may qualify if:
- Patients with type II diabetes mellitus aged 19 years or older
- Patients who had taken DA5221-B1 and DA5221-B2(or another DPP-4 inhibitor is allowed) combination therapy at the same dose for at least 8 weeks prior to the screening visit
- Patients with fasting plasma glucose≤270mg/dL at the screening visit
- Patients with 18.5kg/m\^2≤BMI≤40kg/m\^2 at the screening visit
- Patients who have signed an informed consent themselves after receiving detailed explanation about the clinical study
You may not qualify if:
- Patients with type 1 diabetes, secondary diabetes, gestational diabetes, diabetic coma or -pre-coma, metabolic acidosis including lactic acidosis and diabetic ketoacidosis
- Patients with a medical history of New York Heart Association(NYHA) class III\~IV heart failure or with congestive heart failure, acute and unstable heart failure
- Patients with severe infectious disease or severe traumatic systemic disorders
- Patients with hypopituitarism or adrenal insufficiency, pulmonary infarction, severe pulmonary dysfunction and other hypoxemia
- Patients with galactose intolerance, lapp lactase deficiency, glucosegalactose malabsorption
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Severance Hospital, Yonsei University college of Medicine
Seoul, South Korea
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
February 26, 2024
First Posted
March 4, 2024
Study Start
April 1, 2024
Primary Completion
September 5, 2025
Study Completion
March 31, 2026
Last Updated
November 19, 2025
Record last verified: 2025-11