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CompletedNCT02766036Updated May 3, 2018

Propolis Effects in Patients With Chronic Kidney Disease

A Phase 2 interventional study of Propolis and Placebo in Chronic Kidney Diseases, sponsored by University of Sao Paulo General Hospital. Completed at 1 site in Brazil. Open to participants aged 18 Years to 90 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2018-05-03.

Sponsored by University of Sao Paulo General Hospital · Phase 2, Interventional, and Treatment

Phase
Phase 2
Study type
Interventional
Enrollment
32
Allocation
Randomized
Ages
18 Years to 90 Years
Sex
All
01

Study summary

The aim of this study is to determine the impact of Propolis on proteinuria reduction and protection of the glomerular filtration rate in chronic renal failure patients.

02

Conditions studied

  • Chronic Kidney Diseases

Keywords

  • Proteinuria
  • Propolis
  • Chronic Kidney Disease
03

In context

Kidney Diseases

3,840 studies on the registry are indexed under Kidney Diseases; 500 are open to participants now.

This study's enrollment of 32 is below the median of 70 across 2,640 interventional studies indexed under Kidney Diseases.

Browse Kidney Diseases studies →

Lead sponsor

University of Sao Paulo General Hospital is the lead sponsor of 595 studies on the registry; 98 are open to participants now.

Of its 8 completed or terminated interventional studies of FDA-regulated products, 0 (0%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 90 Years
Sexes eligible
All
Accepts healthy volunteers
Yes

Inclusion criteria

  • older than 18 years;
  • less than 90 years;
  • glomerular filtration rate between 25 and 70 ml / min;
  • proteinuria in the urine 24 hours more than 300 mg or protein / creatinina in isolated urine greater than 0.3g / g or microalbuminuria (albumin / creatinine ratio) between 30-300 mg / g.

Exclusion criteria

Exclusion Criteria:

  • Pregnants;
  • Neoplasia carrier;
  • Renal transplant patients;
  • Patients who refuse to participate in the study.
  • Glomerulopathy on Immunosuppression
05

Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Triple (Participant, Care provider, Investigator)
Enrollment
32 participants (actual)

Study arms

  • Active comparator
    Propolis

    Patients will continue to receive standard treatment for their comorbidities, determined by the attending physician. Patients will receive 500 mg / day of the propolis extract in the form of tablets split in two daily doses.

    Drug: Propolis

  • Placebo comparator
    Placebo

    Patients will continue to receive standard treatment for their comorbidities, determined by the attending physician. Patients will receive 500 mg / day of the propolis-placebo in the form of tablets split in two daily doses.

    Drug: Placebo

Interventions

  • DrugPropolis

    Patients will receive 500 mg / day of the propolis extract in the form of tablets split in two daily doses

  • DrugPlacebo

    Patients will receive 500 mg / day of the placebo in the form of tablets split in two daily doses

06

What researchers measure

Primary outcomes

  1. Reducing Proteinuria

    Reduction from baseline proteinuria.

    Time frame: One year

Secondary outcomes

  1. Protection of the glomerular filtration rate

    Maintaining glomerular filtration rate or inferior reduction to 5 ml per minute per 1.73 m2 of body-surface area from baseline.

    Time frame: One year

07

Study locations

1 site
  • University of Sao Paulo General Hospital
    Sao Paulo, 05403-000, Brazil
08

References and documents

Publications

  • Fujihara CK, DE Lourdes Noronha I, Malheiros DMAC, Antunes GR, DE Oliveira IB, Zatz R. Combined mycophenolate mofetil and losartan therapy arrests established injury in the remnant kidney. J Am Soc Nephrol. 2000 Feb;11(2):283-290. doi: 10.1681/ASN.V112283. PubMed 10665935 ↗
  • da Costa MF, Liborio AB, Teles F, Martins Cda S, Soares PM, Meneses GC, Rodrigues FA, Leal LK, Miron D, Silva AH, Martins AM. Red propolis ameliorates ischemic-reperfusion acute kidney injury. Phytomedicine. 2015 Aug 15;22(9):787-95. doi: 10.1016/j.phymed.2015.03.017. Epub 2015 Apr 12. PubMed 26220625 ↗
  • Teles F, da Silva TM, da Cruz Junior FP, Honorato VH, de Oliveira Costa H, Barbosa AP, de Oliveira SG, Porfirio Z, Liborio AB, Borges RL, Fanelli C. Brazilian red propolis attenuates hypertension and renal damage in 5/6 renal ablation model. PLoS One. 2015 Jan 21;10(1):e0116535. doi: 10.1371/journal.pone.0116535. eCollection 2015. PubMed 25607548 ↗
  • Machado JL, Assuncao AK, da Silva MC, Dos Reis AS, Costa GC, Arruda Dde S, Rocha BA, Vaz MM, Paes AM, Guerra RN, Berretta AA, do Nascimento FR. Brazilian green propolis: anti-inflammatory property by an immunomodulatory activity. Evid Based Complement Alternat Med. 2012;2012:157652. doi: 10.1155/2012/157652. Epub 2012 Dec 19. PubMed 23320022 ↗
  • Himmelfarb J. Linking oxidative stress and inflammation in kidney disease: which is the chicken and which is the egg? Semin Dial. 2004 Nov-Dec;17(6):449-54. doi: 10.1111/j.0894-0959.2004.17605.x. PubMed 15660575 ↗
  • Inker LA, Coresh J, Levey AS, Tonelli M, Muntner P. Estimated GFR, albuminuria, and complications of chronic kidney disease. J Am Soc Nephrol. 2011 Dec;22(12):2322-31. doi: 10.1681/ASN.2010111181. Epub 2011 Sep 30. PubMed 21965377 ↗
  • Shah SV, Baliga R, Rajapurkar M, Fonseca VA. Oxidants in chronic kidney disease. J Am Soc Nephrol. 2007 Jan;18(1):16-28. doi: 10.1681/ASN.2006050500. Epub 2006 Dec 13. PubMed 17167116 ↗
  • Silveira MAD, Teles F, Berretta AA, Sanches TR, Rodrigues CE, Seguro AC, Andrade L. Effects of Brazilian green propolis on proteinuria and renal function in patients with chronic kidney disease: a randomized, double-blind, placebo-controlled trial. BMC Nephrol. 2019 Apr 25;20(1):140. doi: 10.1186/s12882-019-1337-7. PubMed 31023272 ↗

Individual participant data

Plan to share: Yes — The data will be evaluated monthly by researchers at the scientific meetings of the department. Data from this study will be considered joint property of the parties involved. Researchers are, however, responsible for committing to make public the results.

Supporting information: Study protocol

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on May 3, 2018, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT02766036
Lead sponsor
University of Sao Paulo General Hospital
Responsible party
Marcelo Augusto Duarte Silveira (Principal Investigator, University of Sao Paulo General Hospital) — Principal investigator
First posted
May 9, 2016
Start date
Dec 1, 2016
Primary completion
Feb 2018
Completion
Mar 2018
Last update
May 3, 2018

Study contacts

General Hospital
study chair · University of Sao Paulo

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Apr 2018. You cannot join it, but the record below documents what was studied.

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