- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT00762112
Safety Study of TAK-559 in Treating Subjects With Type 2 Diabetes Mellitus
A Long-Term, Open-Label, Phase 3a Safety Study of Oral TAK-559 (32 mg QD) in the Treatment of Patients With Type 2 Diabetes Mellitus
Studieoversigt
Detaljeret beskrivelse
Insulin is a primary regulator of blood glucose concentrations. A subnormal response to circulating insulin levels at target tissues leads to a decrease in insulin-mediated glucose uptake. Insulin resistance is associated with normal to high insulin levels and is often accompanied by dyslipidemia, a disruption in lipid metabolism resulting in increased triglycerides and low-density lipoprotein levels as well as decreased high-density lipoprotein levels in patients with type 2 diabetes mellitus. In the early stages of insulin resistance, a compensatory mechanism of increased insulin secretion by the pancreas maintains normal to near-normal glucose levels. Once the pancreas fails to maintain the increased insulin output, overt type 2 diabetes mellitus occurs.
Insulin also plays an important role in the metabolism of fat and proteins and exerts its influence at the peroxisome proliferator-activated receptor level. Peroxisome proliferator-activated receptor -alpha receptors are expressed predominantly in skeletal muscle, adipose tissue, heart, liver, kidney, gut, macrophages, and vascular tissue, and play a key role in energy storage, glucose homeostasis, and vascular biology. Thus, as insulin activates peroxisome proliferator-activated receptor-alpha receptors, this results in the cellular uptake of glucose. Peroxisome proliferator-activated receptor receptors are ligand-activated transcription elements that regulate gene expression necessary for metabolism. For this reason, peroxisome proliferator-activated receptors play a pivotal role in glucose homeostasis, adipocyte differentiation, and lipid storage. The genes predominantly targeted by transcription activity of activated peroxisome proliferator-activated receptor-alpha receptors are those that mediate fatty acid uptake, fatty acid oxidation, and lipoprotein metabolism. As such, peroxisome proliferator-activated receptor-alpha agonists have their greatest effect on lipid metabolism and vascular biology.
TAK-559 is a novel oxyiminoalkanoic acid under investigation for use as an oral agent in the treatment of patients with type 2 diabetes mellitus. TAK-559 has partial peroxisome proliferator-activated receptor-alpha agonist activity, potent peroxisome proliferator-activated receptor-alpha activity, and modest peroxisome proliferator-activated receptor-gamma activity at high concentrations in nonclinical models.
Undersøgelsestype
Tilmelding (Faktiske)
Fase
- Fase 3
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Required sponsor approval if older than 80 years.
Had either:
- Successfully completed Protocol 01-03-TL-559-016, or
Participated in either Protocol 01-02-TL-559-013, 01-02-TL-559-014, 01-04-TL-559-028, or 01-04-TL-559-029 and either
- completed the study
- prematurely terminated from the study due to the HbA1c withdrawal criterion after at least 12 weeks of treatment, or
- in the opinion of the investigator, demonstrated a lack of efficacy after at least 16 weeks of treatment and was withdrawn from the study.
- A female subject of childbearing potential who was sexually active agreed to use adequate contraception, and was neither pregnant nor lactating from Screening throughout the duration of the study.
- Were willing to continue following an individualized weight maintenance diet during the study period.
- Had evidence of insulin secretory capacity, as demonstrated by a fasting C-peptide concentration of greater than or equal to 1.5 ng/mL (0.50 nmol/L) at the prior visit of Protocol 013, 014, 016, 028, or 029.
- Were willing to perform daily self-monitoring blood glucose tests.
- Were in good health at Enrollment, as determined by a physician at the final visit of Protocol 013, 014, 016, 028, or 029 (ie, via medical history and physical examination), other than having type 2 diabetes mellitus and New York Heart Association Classification I or II congestive heart failure.
- Had clinical laboratory evaluations (including clinical chemistry, hematology, and complete urinalysis after fasting for at least 8 hours) within the normal reference range for the testing laboratory, unless the results were deemed not clinically significant by the investigator or sponsor, at the prior visit of Protocol 013, 014, 016, 028, or 029.
- Had a normal thyroid-stimulating hormone level of less than 5.5 uIU/mL (5.5 mIU/L) and greater than or equal to 0.35 uIU/mL (0.35 mIU/L) at the prior visit of Protocol 013, 014, 016, 028, or 029.
Exclusion Criteria:
- Had significant cardiovascular disease, including, but not limited to, New York Heart Association Classification III or IV CHF at Enrollment.
- Had a planned surgical or catheter intervention for coronary angioplasty within 12 months after the Enrollment Visit.
- Had a systolic blood pressure greater than 140 mm Hg or a diastolic blood pressure greater than 95 mm Hg at Enrollment.
- Had symptomatic orthostatic hypotension or systolic blood pressure less than 90 mm Hg at Enrollment.
- Had a history of a clinically significant abnormal electrocardiogram or experienced any cardiovascular event including, but not limited to, myocardial infarction, coronary angioplasty or bypass graft, unstable angina pectoris, transient ischemic attacks, or documented cerebrovascular accident during Protocol 013, 014, 016, 028, or 029.
- Had a creatine phosphokinase value above 3 times the upper limit of normal at the prior visit of Protocol 013, 014, 016, 028, or 029.
- Had a triglyceride level greater than 500 mg/dL (5.6 nmol/L) at the prior visit of Protocol 013, 014, 016, 028, or 029.
- Had an alanine aminotransferase or aspartate aminotransferase level above 3 times the upper limit of normal, active liver disease, or jaundice at any time during Protocol 013, 014, 016, 028, or 029.
- Had donated and/or received any blood products within 3 months prior to Enrollment.
- Had used illicit drugs or abused alcohol during participation in Protocol 013, 014, 016, 028, or 029.
- Had experienced another illness occurring at the same time requiring hospitalization during the occurring at the same time 3 weeks before the Enrollment Visit.
- Had experienced any other serious disease or condition during participation in Protocol 013, 014, 016, 028, or 029 that might have affected life expectancy or made it difficult to successfully manage and follow the patient according to the protocol.
Was required to take or intended to continue taking any disallowed medication, prescription medication, herbal treatment or over-the counter medication that may interfered with the evaluation of the study medication, including:
- insulin (for patients who participated in Protocol 01-02-TL-559-013, 01-02-TL-559-014, 01-04-TL-559-028, and 01-04-TL-559-029)
- prescription-strength niacin
- fibric acid derivatives
- systemic corticosteroids
- warfarin
- rifampin
- nicotinic acid
- St. John's Wort
- thiazolidinediones
- peroxisome proliferator-activated receptor agonists other than the study drug.
- Had experienced persistent unexplained microscopic or macroscopic hematuria or developed cancer of the bladder while participating in Protocol 013, 014, 016, 028, or 029.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Ikke-randomiseret
- Interventionel model: Enkelt gruppeopgave
- Maskning: Ingen (Åben etiket)
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
---|---|
Eksperimentel: TAK-559 32 mg QD
|
TAK-559 32 mg, tablets, orally, once daily for up to 24 months.
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Tidsramme |
---|---|
Change from baseline in clinical laboratory hematology tests.
Tidsramme: Week 2 and Months 6, 12, 18, and Final Visit
|
Week 2 and Months 6, 12, 18, and Final Visit
|
Change from baseline in clinical laboratory chemistry tests.
Tidsramme: Week 2 and Months 6, 12, 18, and Final Visit
|
Week 2 and Months 6, 12, 18, and Final Visit
|
Blood pressure measurements.
Tidsramme: All visits.
|
All visits.
|
Pulse measurements.
Tidsramme: All visits.
|
All visits.
|
Body weight.
Tidsramme: All visits.
|
All visits.
|
Physical examinations.
Tidsramme: Months 6, 12, 18, and Final Visit
|
Months 6, 12, 18, and Final Visit
|
12-lead electrocardiogram.
Tidsramme: Months 6, 12, and Final Visit
|
Months 6, 12, and Final Visit
|
Adverse event occurrence.
Tidsramme: All visits or at occurrence
|
All visits or at occurrence
|
Sekundære resultatmål
Resultatmål |
Tidsramme |
---|---|
Change from baseline in glycosylated hemoglobin.
Tidsramme: Months 3, 6, 9, 12, 15, 18, 21, and Final Visit
|
Months 3, 6, 9, 12, 15, 18, 21, and Final Visit
|
Change from baseline in fasting plasma glucose.
Tidsramme: All visits.
|
All visits.
|
Change from baseline in fasting insulin.
Tidsramme: Months 3, 6, 9, 12, 15, 18, 21, and Final Visit
|
Months 3, 6, 9, 12, 15, 18, 21, and Final Visit
|
Change from baseline in fasting C-peptide.
Tidsramme: Months 6, 12, 18, and Final Visit
|
Months 6, 12, 18, and Final Visit
|
Change from baseline in triglycerides.
Tidsramme: Months 6, 12, 18, and Final Visit
|
Months 6, 12, 18, and Final Visit
|
Change from baseline in total cholesterol.
Tidsramme: Months 6, 12, 18, and Final Visit
|
Months 6, 12, 18, and Final Visit
|
Change from baseline in high-density lipoprotein.
Tidsramme: Months 6, 12, 18, and Final Visit
|
Months 6, 12, 18, and Final Visit
|
Change from baseline in low-density lipoprotein.
Tidsramme: Months 6, 12, 18, and Final Visit
|
Months 6, 12, 18, and Final Visit
|
Change from baseline in very-low-density lipoprotein.
Tidsramme: Months 6, 12, 18, and Final Visit
|
Months 6, 12, 18, and Final Visit
|
Change from baseline in low-density lipoprotein fractionation.
Tidsramme: Months 6, 12, 18, and Final Visit
|
Months 6, 12, 18, and Final Visit
|
Change from baseline in intermediate-density lipoprotein size.
Tidsramme: Months 6, 12, 18, and Final Visit
|
Months 6, 12, 18, and Final Visit
|
Change from baseline in large low-density lipoprotein size.
Tidsramme: Months 6, 12, 18, and Final Visit
|
Months 6, 12, 18, and Final Visit
|
Change from baseline in small low-density lipoprotein size.
Tidsramme: Months 6, 12, 18, and Final Visit
|
Months 6, 12, 18, and Final Visit
|
Change from baseline in medium-small low-density lipoprotein size.
Tidsramme: Months 6, 12, 18, and Final Visit
|
Months 6, 12, 18, and Final Visit
|
Change from baseline in very-small low-density lipoprotein size.
Tidsramme: Months 6, 12, 18, and Final Visit
|
Months 6, 12, 18, and Final Visit
|
Change from baseline in mean low-density lipoprotein size.
Tidsramme: Months 6, 12, 18, and Final Visit
|
Months 6, 12, 18, and Final Visit
|
Change from baseline in apolipoproteins A1 and B.
Tidsramme: Months 12 and Final Visit
|
Months 12 and Final Visit
|
Change from baseline in atherosclerosis marker plasminogen activator inhibitor 1.
Tidsramme: Months 6, 12, and Final Visit
|
Months 6, 12, and Final Visit
|
Change from baseline in atherosclerosis marker fibrinogen.
Tidsramme: Months 6, 12, and Final Visit
|
Months 6, 12, and Final Visit
|
Change from baseline in inflammation marker Interleukin-6.
Tidsramme: Months 6, 12, and Final Visit
|
Months 6, 12, and Final Visit
|
Change from baseline in inflammation marker C-reactive protein.
Tidsramme: Months 6, 12, and Final Visit
|
Months 6, 12, and Final Visit
|
Samarbejdspartnere og efterforskere
Sponsor
Datoer for undersøgelser
Studer store datoer
Studiestart
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- 01-03-TL-559-017
- U1111-1128-4850 (Registry Identifier: WHO)
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