Double-blind, placebo-controlled clinical trial to determine the effect of Patiromer on vascular function and its relationship with mineral metabolism parameters

2023-503941-69-00 Protocol PATIvasc Therapeutic exploratory (Phase II) Ended

Start 4 Jul 2024 · End 3 Sep 2025 · Status Ended · 1 EU/EEA countries · 1 sites · Protocol PATIvasc

Overview

Sponsor-declared trial summary

Phase Therapeutic exploratory (Phase II)
Status Ended
Participants planned 40
Countries 1
Sites 1

Chronic kindney disease

To determine the effect of treatment with patiromer on vascular function and mineral metabolism in patients with CKD

Key facts

Sponsor
Fundacion Para La Investigacion Biomedica De Cordoba
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Nutritional and Metabolic Diseases [C18]
Trial duration
4 Jul 2024 → 3 Sep 2025
Decision date (initial)
2023-07-24
Transition trial
No
Low-intervention
Yes
Rare-disease indication
No
Vulnerable population
No
Funding sources
Vifor Fresenius Medical Care Renal Pharma España SL

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Therapy

To determine the effect of treatment with patiromer on vascular function and mineral metabolism in patients with CKD

Secondary objectives 4

  1. To assess the effect of patiromer on arterial stiffness
  2. To assess the effect of patiromer on blood pressure
  3. To assess the effect of patiromer on endothelial function
  4. To assess the effect of patiromer on biomarkers of mineral-bone metabolism

Conditions and MedDRA coding

Chronic kindney disease

Study design 1 period

#TitleAllocationBlindingRoles blindedArms
1 Phase II, doble-blind, unicenter, placebo-controlled
Double-blind, placebo-controlled clinical trial to determine the effect of Patiromer on vascular function and its relationship with mineral metabolism parameters
Randomised Controlled Double [{"id":18254,"code":3,"name":"Monitor"},{"id":18252,"code":2,"name":"Investigator"},{"id":18253,"code":1,"name":"Subject"}] Patiromer: 1 sachet patiromer (8.4 g/day) during 1st week of treatment, then 2 sachets patiromer (16.8 g/day) for 19 weeks
Placebo: 1 sachet of placebo(8.4 g/day) during 1st week of treatment, then 2 sachets of placebo (16.8 g/day) for 19 weeks

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 5

  1. 18 years and older of both sexes.
  2. Chronic kidney disease, defined by an eGFR 15-60 ml/min/1.73m2 estimated using the CKD-EPI equation
  3. Potassium levels between 5 and 6 mEq/L in at least 2 of 4 previous blood test results and potassium level between 5 and 6 mEq/L at screening visit
  4. Must be on ACEI or ARB or aldosterone antagonist therapy for at least one month prior to screening at the highest tolerated dose.
  5. Patient capable of understanding the study procedures and who gives their informed consent to participate

Exclusion criteria 16

  1. Episodes of known clinically significant cardiac arrest or ventricular arrhythmias
  2. Previous kidney or heart transplant
  3. Severe hypomagnesemia (<1.4 mg/dl)
  4. Active cancer, excluding non-melanocytic skin cancer, considered already cured
  5. Treatment with anticancer drugs or immunotherapy
  6. Pregnant or lactating women
  7. History of drug or alcohol abuse
  8. Continuous use of potassium supplements in the month prior to screening
  9. Current use of calcium-containing or calcium-free phosphate chelators
  10. Current use of polymer-based drugs such as cholestyramine, coveselam, or sodium polystyrene sulfonate
  11. History of gastroparesis or intestinal obstruction, swallowing disorders, or major gastrointestinal surgery
  12. History of stroke, myocardial infarction, decompensated heart failure, percutaneous coronary intervention or coronary bypass in the last 3 months
  13. Patients with severe physical or mental disabilities that, in the opinion of the investigator, could interfere with the fulfillment of the study requirements
  14. Presence of any condition that, in the opinion of the investigator, puts the patient at risk or could potentially impair the quality of the data
  15. Drug or alcohol addiction that, in the investigator's opinion, could interfere with compliance with study requirements
  16. Inability or unwillingness of the individual or legal guardian or representative to give written informed consent

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 1

  1. Changes in indicators of arterial stiffness: pulse wave velocity and pulse pressure

Secondary endpoints 6

  1. Peripheral and central blood pressure.
  2. Biomarcadores del metabolismo mineral (fosfato sérico, calcio y magnesio, FGF23, vitamina D y PTH)
  3. 24-hour urinary excretion of phosphate, calcium, sodium, and potassium
  4. Biomarkers of kidney damage: albumin/creatinine ratio, serum creatinine, eGFR
  5. Endothelial function
  6. Serum potassium concentration

Investigational products

Investigational medicinal products (IMPs), comparators, placebo, auxiliary

Test 1

Veltassa 8.4 g powder for oral suspension

PRD5444641 · Product

Active substance
Patiromer
Pharmaceutical form
POWDER FOR ORAL SUSPENSION
Route of administration
ORAL USE
Max daily dose
25.2 g gram(s)
Max total dose
25.2 g gram(s)
Max treatment duration
20 Week(s)
Authorisation status
Authorised
ATC code
V03AE09 — -
Marketing authorisation
EU/1/17/1179/001
MA holder
VIFOR FRESENIUS MEDICAL CARE RENAL PHARMA FRANCE
MA country
Liechtenstein
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Placebo 1

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Fundacion Para La Investigacion Biomedica De Cordoba

Sponsor organisation
Fundacion Para La Investigacion Biomedica De Cordoba
Address
Avenida Menendez Pidal S/n
City
Cordoba
Postcode
14004
Country
Spain

Scientific contact point

Organisation
Fundacion Para La Investigacion Biomedica De Cordoba
Contact name
José Carlos Garrido Gracia

Public contact point

Organisation
Fundacion Para La Investigacion Biomedica De Cordoba
Contact name
José Carlos Garrido Gracia

Locations

1 EU/EEA country · 1 investigational sites

By country

CountryMS statusPlanned subjectsSites
Spain Ended 40 1
Rest of world 0

Investigational sites

Spain

1 site · Ended
Hospital Universitario Reina Sofia
Nephrology, Avenida Menendez Pidal S/n, 14004, Cordoba

Country notifications

Trial-start, recruitment-start, end and early-termination notifications submitted per Member State

Country Trial startTrial end Recruitment startRecruitment end Early termination
Spain 2024-07-04 2025-02-18 2025-09-03

Application history

1 submissions — initial application plus substantial / non-substantial modifications

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2023-04-28 Spain Acceptable
2023-07-24
2023-07-24