Use of Low Dose Pioglitazone to Treat Autosomal Dominant Polycystic Kidney Disease (PIOPKD)

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Indiana University

Status and phase

Completed
Phase 2

Conditions

Polycystic Kidney Disease

Treatments

Drug: Pioglitazone
Drug: Placebo

Study type

Interventional

Funder types

Other

Identifiers

NCT02697617
FD-R-004826-01-A2 (Other Identifier)
IndianaU 1308084213

Details and patient eligibility

About

Funding Source - FDA OOPD Pioglitazone is currently used in clinical practice to treat diabetes and this study will examine the potential use of a low dose of the same drug for the treatment of polycystic kidney disease. The purpose of this study is to determine whether the diabetes drug pioglitazone (Actos) is a safe and effective treatment of autosomal dominant polycystic kidney disease when treated in its early stages. Pioglitazone is approved by the FDA for the treatment of diabetes. Pre-clinical models of polycystic kidney disease have shown that low dose treatment with pioglitazone decreases the growth of the cysts. The studies also suggest that effective pioglitazone dosing for polycystic kidney disease may be lower than that used to treat diabetes. The purpose of this study is to see if pioglitazone might slow cyst disease in humans.

Full description

Patients will be randomize to placebo or 15 mg pioglitazone for 12 months, and then be crossed over to the other arm. Patients will undergo MRI of the liver and kidney and MRspectroscopy of the lumbar spine (if they choose as this is ancillary study) three times during the study. Assessments will be every 3 months and include blood work, blood pressure, and body water assessments.

Enrollment

18 patients

Sex

All

Ages

18 to 55 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Male or female patients with autosomal dominant polycystic kidney disease (ADPKD) aged 18-55
  • estimate glomerular filtration rate (GFR) at or above ≥ 50 ml/min/1.73 m2 by any GFR formula
  • Normal liver enzymes (ALT/AST)
  • fasting blood glucose between 70 and120
  • for female patients, a willingness to use double contraception to avoid pregnancy while in study
  • able to give informed consent
  • In the opinion of the investigator, high likelihood of progressive kidney disease

Exclusion criteria

  • diabetes, defined as any of the following: fasting blood sugar > 130 times two, HgbA1C > 7, on any blood sugar lowering medication, or past diagnosis of diabetes not occurring during pregnancy
  • uncontrolled hypertension as determined by the examining physician
  • history of impaired systolic function (ejection fraction < 50%) by previous echocardiogram or known ischemic cardiovascular disease
  • findings suggestive of a kidney disease other than ADPKD
  • systemic illness requiring immunosuppressive or anti-inflammatory agents
  • congenital absence of a kidney or history of a total nephrectomy
  • history of cyst reduction or partial nephrectomy
  • history of renal cyst aspiration within the previous year
  • History of bladder cancer, or gross hematuria
  • inability to undergo MRI due to implantable devices or foreign objects that preclude MRI
  • active renal transplant
  • allergy or sensitivity to any of the components of the test materials
  • institutionalized
  • currently pregnant or plans to become pregnant during the study

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Crossover Assignment

Masking

Double Blind

18 participants in 2 patient groups, including a placebo group

Placebo Arm
Placebo Comparator group
Description:
Subject will be on placebo
Treatment:
Drug: Placebo
Pioglitazone Arm
Active Comparator group
Description:
Subject will be on pioglitazone
Treatment:
Drug: Pioglitazone

Trial documents
2

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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