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BI 1356 (Linagliptin) in Combination With Metformin and a Sulphonylurea in Type 2 Diabetes

Boehringer Ingelheim logo

Boehringer Ingelheim

Status and phase

Completed
Phase 3

Conditions

Diabetes Mellitus, Type 2

Treatments

Drug: linagliptin
Drug: placebo

Study type

Interventional

Funder types

Industry

Identifiers

NCT00602472
2007-002450-28 (EudraCT Number)
1218.18

Details and patient eligibility

About

The objective of the current study is to investigate the efficacy, safety and tolerability of BI 1356 (5 mg once daily) compared to placebo given for 24 weeks as add-on therapy to metformin in combination with a sulphonylurea in patients with type 2 diabetes mellitus with insufficient glycaemic control.

Enrollment

1,058 patients

Sex

All

Ages

18 to 80 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Male and female patients with a diagnosis of type 2 diabetes mellitus, currently treated only with a stable total daily dose of preferably* >/= 1500 mg metformin and a dose of a sulphonylurea drug that has been documented, by the Investigator, to be the individual maximum tolerated dose of that sulphonylurea drug. Both the dose and dosing regimen of metformin and the sulphonylurea must be stable (i.e. unchanged) for 10 weeks prior to informed consent, and must not be changed for the duration of the trial
  2. Glycosylated haemoglobin A1 (HbA1c) >/= 7.0 and </= 10.0% at the screening Visit 1a and at Visit 2 (start of placebo run-in phase)
  3. Age >/= 18 and </= 80 years at Visit 1a (screening)
  4. BMI (Body Mass Index) </= 40 kg/m2 at Visit 1a (screening)
  5. Signed and dated written informed consent, at the latest by the date of Visit 1a, in accordance with GCP and local legislation *Patients currently treated with a total daily dose of less than 1500 mg metformin can be included in the trial if the Investigator has documented that the dose is the maximum tolerated dose of metformin for that patient.

Exclusion criteria

  1. Myocardial infarction, stroke or TIA (transient ischaemic attack) within 6 months prior to the date of informed consent

  2. Impaired hepatic function, defined by serum levels of either alanine transaminase (ALT/SGPT), aspartase transaminase (AST/SGOT), or alkaline phosphatase (ALP) above 3 times the upper limit of normal (ULN), as determined at Visit 1a

  3. Renal failure or renal impairment (serum creatinine >/= 1.5 mg/dl) as determined at Visit 1a

  4. Treatment with rosiglitazone or pioglitazone within 3 months prior to the date of informed consent

  5. Treatment with GLP-1 analogues (e.g. exenatide) within 3 months prior to the date of informed consent

  6. Treatment with insulin within 3 months prior to the date of informed consent

  7. Treatment with anti-obesity drugs (e.g. sibutramine, rimonabant, orlistat) within 3 months prior to the date of informed consent

  8. Current treatment with systemic steroids (i.e. at the time of informed consent) or a change in the dosage of thyroid hormones within 6 weeks prior to the date of informed consent

  9. Pre-menopausal women (last menstruation </= 1 year prior to the date of informed consent) who:

    • are nursing or pregnant
    • or are of child-bearing potential and are not practicing an acceptable method of birth control, or do not plan to continue using this method throughout the study and do not agree to periodic pregnancy testing during their participation in the trial. Acceptable methods of birth control include transdermal patch, intra uterine devices/systems (IUDs/IUSs), oral, implantable or injectable contraceptives, sexual abstinence and vasectomised partner. No exception will be made.
  10. Known hypersensitivity or allergy to the investigational product or its excipients or to the trial background therapy (i.e. metformin in combination with a sulphonylurea) or sulphonamides

  11. Dehydration (as confirmed by the Investigators clinical opinion)

  12. Current acute or chronic metabolic acidosis

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

1,058 participants in 2 patient groups, including a placebo group

linagliptin 5 mg
Experimental group
Description:
linagliptin 5 mg once daily
Treatment:
Drug: linagliptin
placebo
Placebo Comparator group
Description:
placebo matching linagliptin 5 mg tablets
Treatment:
Drug: placebo

Trial contacts and locations

100

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Data sourced from clinicaltrials.gov

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