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Pharmacokinetics, Pharmacodynamics, Safety and Tolerability of Single and Multiple Doses of Linagliptin Tablets in Patients With Different Degrees of Renal Impairment in Comparison to Subjects With Normal Renal Function

Boehringer Ingelheim logo

Boehringer Ingelheim

Status and phase

Completed
Phase 1

Conditions

Renal Insufficiency

Treatments

Drug: Linagliptin - single dose
Drug: Linagliptin - Multiple dose

Study type

Interventional

Funder types

Industry

Identifiers

NCT02191228
1218.26

Details and patient eligibility

About

The main objective of this study was to assess the effect of normal and impaired renal function on the safety, pharmacokinetics, and pharmacodynamics of linagliptin following oral administration of 5 mg daily for 7 days (Groups 1 to 3), 5 mg daily for 10 days (Groups 6 and 7), or as a single dose (Groups 4 and 5)

Enrollment

51 patients

Sex

All

Ages

18 to 80 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Male or female subjects with normal renal function, defined as a Creatinine Clearance (CrCl) of >80 mL/min on screening (Group 1) , or male or female patients with Type 2 diabetes mellitus (T2DM) and normal renal function, defined as a CrCl of >80 mL/min on screening (Group 7)

  • Male or female patients with Renal impairment (RI), determined by the value of CrCl on Screening estimated according to the Cockcroft-Gault formula. Patients were classified into groups by their CrCl values:

    • Mild RI: CrCl>50 to ≤80 mL/min (Group 2)
    • Moderate RI: CrCl>30 to ≤50 mL/min (Group 3)
    • Severe RI: CrCl≤30 mL/min (Group 4)
    • End-stage renal disease (ESRD): CrCl≤30 mL/min, requiring hemodialysis (Group 5)
    • T2DM and severe RI: CrCl≤30 mL/min (Group 6)
  • Age 18 to 80 years

  • BMI 18 to 40 kg/m2, and minimum body mass of at least 45 kg for females

  • Signed and dated written informed consent prior to admission to the study in accordance with Good Clinical Practice (GCP) and the local legislation

Exclusion criteria

Participants (with or without RI) who met any of the following criteria were not included in this trial:

  • Relevant gastrointestinal tract surgery (except appendectomy, cholecystectomy, or herniotomy)
  • Diseases of the central nervous system, such as epilepsy, seizures, relevant neurological disorders, or psychiatric disorders
  • History of relevant orthostatic hypotension, fainting spells or blackouts; systolic blood pressure <100 or >160 mm Hg, diastolic blood pressure <60 or >100 mm Hg, pulse rate <50 or >100 1/min
  • Chronic or relevant acute infections
  • History of allergy/hypersensitivity (including drug allergies) that were deemed relevant to the trial as judged by the investigator
  • Intake of drugs with a long half-life (>24 h) within at least one month prior to study start, or planned intake of study medication within ≤10 half-lives of administration of another medication. Medications that patients with RI were currently taking for treatment of renal disease were not included under this criterium.
  • Use of medications during the trial or within 10 days prior to administration of study medication that might reasonably influence the results of the trial, based on knowledge at the time of protocol preparation. Co-medications known to inhibit or induce P-glycoprotein or CYP3A were not allowed. Inhibitors of P-glycoprotein or CYP3A include protease inhibitors (such as ritonavir, lopinavir, nelfinavir); azole antimycotics, (itraconazole, ketoconazole, miconazole); macrolide antibiotics, (clarithromycin, erythromycin); amiodarone, cimetidine, diltiazem, fluvoxamine, mibefradil, nefazodone, verapamil, tacrolimus, quinidine, reserpine, and cyclosporine A. Inducers of P-gp or CYP3A include carbamazepine, phenobarbital, phenytoin, rifabutin, rifampin, St. John's Wort and troglitazone. In uncertain cases, a case-by-case decision was made after consultation with the sponsor.
  • Participation in a previous trial with an investigational drug within 2 months of study start if the previous trial was a multiple dose study, or within 1 month of study start if the previous trial was a single dose study
  • Smoker (more than 10 cigarettes or 3 cigars or 3 pipes per day)
  • Inability to refrain from smoking when confined to the study site on trial days
  • Alcohol abuse (more than 60 g/day in males or more than 40 g/day in females)
  • Drug abuse, in the investigator's judgment, based on review of the participant's history and urine screening for abused substances
  • Veins unsuited for intravenous puncture on either arm (e.g. veins which were difficult to locate, access or puncture, veins with a tendency to rupture during or after puncture)
  • Blood donation (more than 100 mL within 4 weeks prior to administration of study medication or during the trial)
  • Excessive physical activities (within 48 h prior to start of the trial or during the trial)
  • Any laboratory value outside the reference range that was of clinical relevance (exceptions were in patients with RI who had abnormal renal function tests or deviations of clinical laboratory values that were related to renal impairment)
  • Inability to comply with the dietary regimen of study centre
  • Inability to understand and comply with protocol requirements, instructions and protocol-stated restrictions

For female patients

  • Pregnancy
  • Positive pregnancy test (human chorionic gonadotropin (β HCG) in urine))
  • No adequate contraception in women of childbearing potential (adequate contraception was considered to be sterilisation, use of an intrauterine device, or use of oral contraception along with a barrier method)
  • Lactation period

Subjects with normal renal function (Group 1) and subjects with T2DM and normal renal function (Group 7) who met the following criterium were not included in this trial:

  • Significant gastrointestinal, hepatic, renal, respiratory, cardiovascular, metabolic, immunological or hormonal disorders as judged by the investigator

Patients with RI who met any of the following criteria were not included in this trial:

  • Moderate and severe concurrent liver function impairment (for example, due to hepatorenal syndrome)
  • Patients with significant diseases other than renal impairment were excluded. A significant disease was defined as a disease which in the opinion of the investigator put the patient at risk during participation in the study, could influence the results of the study, could influence the patient's ability to participate in the study, or was an unstable condition. Patients with diabetes (for Groups 1 to 5) or hypertension could be included in the trial if the disease was not significant according to these criteria.
  • Haemoglobin <8 g/dL, indicating severe anaemia of renal origin (use of erythropoietin was allowed to maintain haematocrit)

Trial design

Primary purpose

Treatment

Allocation

Non-Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

51 participants in 7 patient groups

Group 1
Experimental group
Description:
Linagliptin in subjects with normal renal function
Treatment:
Drug: Linagliptin - Multiple dose
Group 2
Experimental group
Description:
Linagliptin in patients with mild renal insufficiency (RI)
Treatment:
Drug: Linagliptin - Multiple dose
Group 3
Experimental group
Description:
Linagliptin in patients with moderate RI
Treatment:
Drug: Linagliptin - Multiple dose
Group 4
Experimental group
Description:
Linagliptin in patients with severe RI
Treatment:
Drug: Linagliptin - single dose
Group 5
Experimental group
Description:
Linagliptin in patients with end-stage renal disease (ESRD)
Treatment:
Drug: Linagliptin - single dose
Group 6
Experimental group
Description:
Linagliptin in patients with severe RI and Type 2 diabetes mellitus (T2DM)
Treatment:
Drug: Linagliptin - Multiple dose
Group 7
Experimental group
Description:
Linagliptin in patients with normal renal function and T2DM
Treatment:
Drug: Linagliptin - Multiple dose

Trial contacts and locations

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Data sourced from clinicaltrials.gov

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