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Chronic Kidney DiseasePhase 2NCT01424319

Reducing Residual Albuminuria in Subjects With Diabetes and Nephropathy With Atrasentan

A Phase 2 study testing Atrasentan low dose group and Atrasentan high dose group in people with Chronic Kidney Disease and Diabetic Nephropathy, run by AbbVie (prior sponsor, Abbott) at 18 sites in Japan.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Prospective, randomized, double-blind, placebo controlled, 12-week, multicenter study. The objective of the study is to evaluate the efficacy and safety of once daily administration of atrasentan tablets compared to placebo in reducing residual albuminuria in Japanese Type 2 diabetic patients with nephropathy who are… Read more about this study

Who is it for?
Ages 20 to 99 years
Conditions the study is for
Chronic Kidney Disease, Diabetic Nephropathy
What is being tested?
Atrasentan low dose group and Atrasentan high dose group
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
58 participants
Where
18 sitesJapan
Study dates
Aug 2011to Jul 2012
Phase
Phase 2
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 20 to 99 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Patient has Type 2 diabetes and has been treated with at least one anti-hyperglycemic medication within the 12 months prior to the screening period.
  • Patient is receiving a maximum tolerated labeled dose of an ACEi (Angiotensin Converting Enzyme inhibitor) or ARB (Angiotensin II Receptor Blocker)(Renin Angiotensin System (RAS) inhibitor). Estimated GFR (Glomerular Filtration Rate) is greater than or equal to 30 and less than or equal to 75 mL/min/1.73m2 by the CKD (chronic kidney disease)
  • Epidemiology Collaboration (EPI) formula.
  • UACR (Urinary Albumin to Creatinine Ratio) is greater than or equal to 200 mg/g as determined by the geometric mean of the three morning void urine specimens obtained at Run-in period.
  • Serum albumin is greater than or equal to 3.0 g/dL. BNP (B-type Natriuretic Peptide) is less than or equal to 200 pg/mL.
  • SBP (Systolic Blood Pressure) is greater than or equal to 110 mmHg and less than or equal to 160 mmHg. HbA1c (Glucosylated Hemoglobin A1c) is less than or equal to 12% and serum potassium is less than or equal to 5.5 mEq/L.

Who cannot join

  • Patient has a history of moderate or severe edema, facial edema unrelated to trauma, or a history of myxedema in the prior 6 months to screening.
  • Patient is receiving loop diuretics greater than or equal to 120 mg QD (Once Daily) of furosemide or greater than or equal to 3.0 mg QD (Once Daily) of bumetanide or greater than or equal to 150 mg QD (Once Daily) of ethacrynic acid or greater than or equal to 60 mg QD (Once Daily) of torasemide.
  • Patient has a documented history of Stage C or Stage D heart failure, defined ACC/AHA (American College of Cardiology/ American Heart Association Practice Guidelines).
  • Patient is receiving any of a combination of an ACEi (Angiotensin Converting Enzyme inhibitor) and ARB (Angiotensin II Receptor Blocker) or rosiglitazone or aliskiren or an aldosterone antagonist and patient is receiving pioglitazone and edema is present.

Trial locations and contacts

18 sites in 1 country.

18 sites in 1 country

Japan18 sites
  • Site Reference ID/Investigator# 62022

    Azumino

  • Site Reference ID/Investigator# 58124

    Chiba

  • Site Reference ID/Investigator# 57486

    Fujisawa

  • Site Reference ID/Investigator# 55097

    Ibaraki

  • Site Reference ID/Investigator# 56982

    Ina

  • Site Reference ID/Investigator# 55093

    Kawagoe

  • Site Reference ID/Investigator# 57485

    Kawasaki

  • Site Reference ID/Investigator# 55092

    Kōriyama

  • Site Reference ID/Investigator# 56524

    Matsumoto

  • Site Reference ID/Investigator# 57242

    Nagano

  • Site Reference ID/Investigator# 55781

    Nagoya

  • Site Reference ID/Investigator# 60965

    Nagoya

  • Site Reference ID/Investigator# 55304

    Suwa

  • Site Reference ID/Investigator# 59474

    Tokyo

  • Site Reference ID/Investigator# 59967

    Ueda

  • Site Reference ID/Investigator# 55095

    Yokohama

  • Site Reference ID/Investigator# 57484

    Yokohama

  • Site Reference ID/Investigator# 59842

    Yokohama

Other trials in Japan

About this study

Official title: Reducing Residual Albuminuria in Subjects With Diabetes & Nephropathy With Atrasentan - A Phase 2b, Prospective, Randomized, Double-Blind, Placebo-Controlled Trial to Evaluate Safety & Efficacy in Japanese Subjects

Prospective, randomized, double-blind, placebo controlled, 12-week, multicenter study. The objective of the study is to evaluate the efficacy and safety of once daily administration of atrasentan tablets compared to placebo in reducing residual albuminuria in Japanese Type 2 diabetic patients with nephropathy who are treated with the maximum tolerated labeled dose for hypertension of a RAS (renin angiotensin system) inhibitor.

Being tested
Atrasentan low dose group, Atrasentan high dose group, Atrasentan placebo group
Keywords
Endothelin Receptor Antagonists, Proteinuria
Medical subject headings
Renal Insufficiency, Chronic, Diabetic Nephropathies, Proteinuria

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Atrasentan low dose groupDrug

    Subjects will take two tablets daily of one of those which are atrasentan low dose, atrasentan high dose or atrasentan placebo for 12 weeks during the treatment period.

  • Atrasentan high dose groupDrug

    Subjects will take two tablets daily of one of those which are atrasentan low dose, atrasentan high dose or atrasentan placebo for 12 weeks during the treatment period.

  • Atrasentan placebo groupDrug

    Subjects will take two tablets daily of one of those which are atrasentan low dose, atrasentan high dose or atrasentan placebo for 12 weeks during the treatment period.

Study groups in NCT01424319
Study groupRoleWhat they receive
ABT-627, Low doseExperimentalNot described
Receives: Drug: Atrasentan low dose group
ABT-627, High doseExperimentalNot described
Receives: Drug: Atrasentan high dose group
ABT-627, PlaceboPlacebo comparatorNot described
Receives: Drug: Atrasentan placebo group

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. The change from baseline to each post-baseline visit in log-transformed UACR (urinary albumin to creatinine ratio)

    Measured: Up to Week 12

Secondary outcomes (3)
  1. The proportion of subjects who have achieved at least 30% reduction on UACR (Urinary Albumin to Creatinine Ratio) who have not had any form of treatment-emergent edema with moderate or severe severity.

    Measured: Up to Week 12

  2. The change from baseline to each post-baseline visit on log-transformed UACR (Urinary Albumin to Creatinine Ratio) and estimated GFR (Glomerular Filtration Rate)

    Measured: Up to Week 12

  3. The proportion of subjects who achieve various percent of reduction in UACR (Urinary Albumin to Creatinine Ratio) from baseline to final

    Measured: Up to Week 12

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted29 Aug 2011 (estimated)
  2. Study startAug 2011
  3. Primary completionJul 2012
  4. Study completionJul 2012

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
58 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01424319
Sponsor's protocol ID
M12-812
Status last verified
Aug 2017
First submitted
25 Aug 2011
Last updated
29 Aug 2017
Results posted
No
Data monitoring committee
Yes

Publications

  • de Zeeuw D, Coll B, Andress D, Brennan JJ, Tang H, Houser M, Correa-Rotter R, Kohan D, Lambers Heerspink HJ, Makino H, Perkovic V, Pritchett Y, Remuzzi G, Tobe SW, Toto R, Viberti G, Parving HH. The endothelin antagonist atrasentan lowers residual albuminuria in patients with type 2 diabetic nephropathy. J Am Soc Nephrol. 2014 May;25(5):1083-93. doi: 10.1681/ASN.2013080830. Epub 2014 Apr 10.

    PubMed 24722445
  • Kohan DE, Lambers Heerspink HJ, Coll B, Andress D, Brennan JJ, Kitzman DW, Correa-Rotter R, Makino H, Perkovic V, Hou FF, Remuzzi G, Tobe SW, Toto R, Parving HH, de Zeeuw D. Predictors of Atrasentan-Associated Fluid Retention and Change in Albuminuria in Patients with Diabetic Nephropathy. Clin J Am Soc Nephrol. 2015 Sep 4;10(9):1568-74. doi: 10.2215/CJN.00570115. Epub 2015 Jul 7.

    PubMed 26153128
  • Lin CW, Mostafa NM, L Andress D, J Brennan J, Klein CE, Awni WM. Relationship Between Atrasentan Concentrations and Urinary Albumin to Creatinine Ratio in Western and Japanese Patients With Diabetic Nephropathy. Clin Ther. 2018 Feb;40(2):242-251. doi: 10.1016/j.clinthera.2017.07.011. Epub 2017 Jul 27.

    PubMed 28756065

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Atrasentan low dose group and Atrasentan high dose group in people with Chronic Kidney Disease and Diabetic Nephropathy, run by AbbVie (prior sponsor, Abbott) at 18 sites in Japan.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 6 inclusion and 4 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 29 Aug 2017. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 18 sites in Japan. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

The change from baseline to each post-baseline visit in log-transformed UACR (urinary albumin to creatinine ratio) (time frame: Up to Week 12). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT01424319, which also lists 3 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 29 Aug 2017.

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