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Safety and Efficacy of Two Year of RAAS Alone or in Combination With Spironolactone Therapy (MRA-ACE)

Primary Purpose

Renal Insufficiency, Chronic, Diabetic Nephropathy Type 2

Status
Recruiting
Phase
Phase 4
Locations
United States
Study Type
Interventional
Intervention
Renin-Angiotensin (RAAS) alone
Renin-Angiotensin (RAAS) blockers in combination with Spironolactone
Sponsored by
James A. Tumlin, MD
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Renal Insufficiency, Chronic

Eligibility Criteria

75 Years - undefined (Older Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria:

  • Age above 18
  • Male or Female
  • Patients with Type II diabetes mellitus must be receiving oral agents or insulin injections at the time of randomization
  • All eligible patients will be on a stable, maximum to dose of an ACE or ARB for 2 weeks prior to randomization.
  • Note: The determination of m tolerated ACE-ARB therapy will be left to the discretion of the site princ
  • All eligible patientswill have hypertension targetblood pressur of < 140/90mm Hg.
  • Antihypertensiv therapy may be adjusted to achieve the target blood pressure prior to the time of randomization.
  • ACE or ARB therapy will be the primary antihypertensive therapy used for blood pressure control and will be titrthe highest tolerated dose to achieve a target blood pressure of <Patients requiring additional medications to achieve the target blood pressure will use antihypertensive agents that have neutral effects on urinary proteinuria (e.g. Hydralazine or lo Dihydropyridine calcium channel blockers etc.). CcThe final choice of additional medications will be left to the discretion of the site principal investigator (PI)
  • Patients with anurine protein to creatinine (UP/Cr) ratio that is mg/gm from the average of two historical value within one year prior to randomization will be considered eligible for study entry.
  • Patients with a baseline K+ of >5. X5 meq/l on maximum tolerated ACE-ARB therapy during the screening period can be treated with 8.4 grams of Patiromer for 7 days. If at the end of 7days the serum K+ is < 5.0 meq/liter the patient will be considered eligible to participate in the study. If at the end of 7 days the serum K+ >5.0 meq/l the dose of Patiromer can be increased to 16.8 grams. If at the end of 7 days the serum K+ is < 5.0 meq/L, the patient will be considered eligible for study entry. If after 7 days at the higher dose of Patiromer the serum K+ >5.0, the patient will be ineligible for study participation.
  • Patients with an estimated GFR by CK-Epi .73 m2
  • Female patients will be required to undergo routine birth control measures

Exclusion criteria:

  • Estimated GFR by MDRD20 mls/min/1.73 M2 using the CKD-Epi equation
  • Patients with serum K+ > 5.00 while taking 16.8/day of Patiromer
  • Patients with history of Type mellitus
  • Patients with HgbA
  • Pregnant or breast-feeding female patients
  • Female patients unwilling to receive estrogen or progesterone based birth control or are unwilling or unable to usconventional barrier birth control methods.
  • Patients with known allergy or intolerance tor Spironolactone therapy
  • Patients taking oral or IV digoxin
  • Patients receiving chronic steroids > 1oral Prednisone
  • Patient that do nohave minimum o eGFR determinations within 2 years prior to study randomization
  • Concurrent use of Amiloride, , Aliskerin, or other Aldosterone antagonists Patien receiving any of the above medications will be considered eligible for study participation after a wash-out

Sites / Locations

  • Georgia Nephrology Research InstituteRecruiting
  • Nelson Kopyt, MDRecruiting

Arms of the Study

Arm 1

Arm 2

Arm Type

Active Comparator

Active Comparator

Arm Label

RAAS alone

RAAS in Combination with Spironolactone

Arm Description

RAAS (Lisinopril, Enalapril, Perindopril, Losartan, and Valsartan taken each day at maximum tolerated dose that will different for each subject)

RAAS (Lisinopril, Enalapril, Perindopril, Losartan, and Valsartan taken each day at maximum tolerated dose that will different for each subject); Spironolactone taken each day at 25mg

Outcomes

Primary Outcome Measures

Combination Therapy - RAAS inhibition and Spironolactone to lower UP/Cr
To determine whether combination therapy with maximall RAAS inhibition and Spironolactone is superior to RAAS inhibition alone in lowering the UP/Cr ratio at 12 months

Secondary Outcome Measures

Combination Therapy - RAAS inhibition and Spironolactone
To determine whether combination therapy with maximally tolerated RAAS inhibition and Spironolactone is superior to RAAS inhibition alone in slowing the progression of renal disease as evidenced by changes in GFR
Combination Therapy - RAAS inhibition and Spironolactone that develop hyperkalemia
To determine the patients in the maximal RAAS blockade group and those receiving combination RAAS + Spironolactone therapy developing clinically significant hyperkalemia as defined as a serum K+ level greater than 5.5 meq/L. We will determine the percentage of patients that require "Patiromer-Rescue" for K+ > 5.5 meq/L and the percentage of patients maintained with serum K+ less than 5.5 meq/L

Full Information

First Posted
November 13, 2017
Last Updated
October 27, 2022
Sponsor
James A. Tumlin, MD
Collaborators
Nelson Kopyt, MD
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1. Study Identification

Unique Protocol Identification Number
NCT03502031
Brief Title
Safety and Efficacy of Two Year of RAAS Alone or in Combination With Spironolactone Therapy
Acronym
MRA-ACE
Official Title
Safety and Efficacy of Maximally Tolerated RAAS Blockade and Spironolactone Therapy on Urinary Proteinuria and Progression of Type II Diabetic Nephropathy in African Americans and Other Patient Cohorts.
Study Type
Interventional

2. Study Status

Record Verification Date
October 2022
Overall Recruitment Status
Recruiting
Study Start Date
October 1, 2018 (Actual)
Primary Completion Date
October 1, 2022 (Actual)
Study Completion Date
October 1, 2024 (Anticipated)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor-Investigator
Name of the Sponsor
James A. Tumlin, MD
Collaborators
Nelson Kopyt, MD

4. Oversight

Studies a U.S. FDA-regulated Drug Product
Yes
Studies a U.S. FDA-regulated Device Product
No
Product Manufactured in and Exported from the U.S.
No
Data Monitoring Committee
No

5. Study Description

Brief Summary
NephroNet proposes to examine whether combining Spironolactone with maximal RAAS blockade will further reduce urinary protein at one year and whether prolonged therapy (24 months) is able to slow the decline in GFR. Because of combination MRA and RAAS therapy significantly increases the risk for clinically significant hyperkalemia, we also plan to determine whether the addition of Patiromer to these patients facilitates the use of combination therapy and allows a larger proportion of diabetic patients the potential benefit of combination therapy on renal function.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Renal Insufficiency, Chronic, Diabetic Nephropathy Type 2

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 4
Interventional Study Model
Parallel Assignment
Masking
None (Open Label)
Allocation
Randomized
Enrollment
72 (Anticipated)

8. Arms, Groups, and Interventions

Arm Title
RAAS alone
Arm Type
Active Comparator
Arm Description
RAAS (Lisinopril, Enalapril, Perindopril, Losartan, and Valsartan taken each day at maximum tolerated dose that will different for each subject)
Arm Title
RAAS in Combination with Spironolactone
Arm Type
Active Comparator
Arm Description
RAAS (Lisinopril, Enalapril, Perindopril, Losartan, and Valsartan taken each day at maximum tolerated dose that will different for each subject); Spironolactone taken each day at 25mg
Intervention Type
Drug
Intervention Name(s)
Renin-Angiotensin (RAAS) alone
Other Intervention Name(s)
Lispril, Enalapril, Perindopril, Losarta, Valsar etc.,
Intervention Description
maximal RAAS blockade alone for 24months.
Intervention Type
Drug
Intervention Name(s)
Renin-Angiotensin (RAAS) blockers in combination with Spironolactone
Other Intervention Name(s)
Lisinopril, Enalapril, Perindopril, Losartan, Valsartan, or Spironolactone
Intervention Description
maximal RAAS blockade alone or in combination with Spironolactone (25 mg) for 24 months.
Primary Outcome Measure Information:
Title
Combination Therapy - RAAS inhibition and Spironolactone to lower UP/Cr
Description
To determine whether combination therapy with maximall RAAS inhibition and Spironolactone is superior to RAAS inhibition alone in lowering the UP/Cr ratio at 12 months
Time Frame
24 months
Secondary Outcome Measure Information:
Title
Combination Therapy - RAAS inhibition and Spironolactone
Description
To determine whether combination therapy with maximally tolerated RAAS inhibition and Spironolactone is superior to RAAS inhibition alone in slowing the progression of renal disease as evidenced by changes in GFR
Time Frame
24 months
Title
Combination Therapy - RAAS inhibition and Spironolactone that develop hyperkalemia
Description
To determine the patients in the maximal RAAS blockade group and those receiving combination RAAS + Spironolactone therapy developing clinically significant hyperkalemia as defined as a serum K+ level greater than 5.5 meq/L. We will determine the percentage of patients that require "Patiromer-Rescue" for K+ > 5.5 meq/L and the percentage of patients maintained with serum K+ less than 5.5 meq/L
Time Frame
12 months, 24 months

10. Eligibility

Sex
All
Minimum Age & Unit of Time
75 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria: Age above 18 Male or Female Patients with Type II diabetes mellitus must be receiving oral agents or insulin injections at the time of randomization All eligible patients will be on a stable, maximum to dose of an ACE or ARB for 2 weeks prior to randomization. Note: The determination of m tolerated ACE-ARB therapy will be left to the discretion of the site princ All eligible patientswill have hypertension targetblood pressur of < 140/90mm Hg. Antihypertensiv therapy may be adjusted to achieve the target blood pressure prior to the time of randomization. ACE or ARB therapy will be the primary antihypertensive therapy used for blood pressure control and will be titrthe highest tolerated dose to achieve a target blood pressure of <Patients requiring additional medications to achieve the target blood pressure will use antihypertensive agents that have neutral effects on urinary proteinuria (e.g. Hydralazine or lo Dihydropyridine calcium channel blockers etc.). CcThe final choice of additional medications will be left to the discretion of the site principal investigator (PI) Patients with anurine protein to creatinine (UP/Cr) ratio that is mg/gm from the average of two historical value within one year prior to randomization will be considered eligible for study entry. Patients with a baseline K+ of >5. X5 meq/l on maximum tolerated ACE-ARB therapy during the screening period can be treated with 8.4 grams of Patiromer for 7 days. If at the end of 7days the serum K+ is < 5.0 meq/liter the patient will be considered eligible to participate in the study. If at the end of 7 days the serum K+ >5.0 meq/l the dose of Patiromer can be increased to 16.8 grams. If at the end of 7 days the serum K+ is < 5.0 meq/L, the patient will be considered eligible for study entry. If after 7 days at the higher dose of Patiromer the serum K+ >5.0, the patient will be ineligible for study participation. Patients with an estimated GFR by CK-Epi .73 m2 Female patients will be required to undergo routine birth control measures Exclusion criteria: Estimated GFR by MDRD20 mls/min/1.73 M2 using the CKD-Epi equation Patients with serum K+ > 5.00 while taking 16.8/day of Patiromer Patients with history of Type mellitus Patients with HgbA Pregnant or breast-feeding female patients Female patients unwilling to receive estrogen or progesterone based birth control or are unwilling or unable to usconventional barrier birth control methods. Patients with known allergy or intolerance tor Spironolactone therapy Patients taking oral or IV digoxin Patients receiving chronic steroids > 1oral Prednisone Patient that do nohave minimum o eGFR determinations within 2 years prior to study randomization Concurrent use of Amiloride, , Aliskerin, or other Aldosterone antagonists Patien receiving any of the above medications will be considered eligible for study participation after a wash-out
Central Contact Person:
First Name & Middle Initial & Last Name or Official Title & Degree
James A Tumlin, MD
Phone
770-490-9203
Email
jamestumlinmdnephronet@gmail.com
First Name & Middle Initial & Last Name or Official Title & Degree
Jeremy D Whitson, CCRA
Phone
423-943-4265
Email
jwhitson@nephrynergy.com
Facility Information:
Facility Name
Georgia Nephrology Research Institute
City
Lawrenceville
State/Province
Georgia
ZIP/Postal Code
30046
Country
United States
Individual Site Status
Recruiting
Facility Contact:
First Name & Middle Initial & Last Name & Degree
James A Tumlin, MD
Phone
770-490-9203
Email
jamestumlinmdnephronet@gmail.com
First Name & Middle Initial & Last Name & Degree
Jeremy Whitson, CCRA
Phone
423-943-4265
Email
jwhitson@nephro-synergy.com
Facility Name
Nelson Kopyt, MD
City
Bethlehem
State/Province
Pennsylvania
ZIP/Postal Code
18017
Country
United States
Individual Site Status
Recruiting
Facility Contact:
First Name & Middle Initial & Last Name & Degree
Stephanie Hanzl
Phone
610-433-4100
Ext
490
Email
shanzl@necresearch.org

12. IPD Sharing Statement

Plan to Share IPD
No

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Safety and Efficacy of Two Year of RAAS Alone or in Combination With Spironolactone Therapy

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