NCT00004448

Brief Summary

OBJECTIVES: Evaluate the efficacy of alternate day prednisone versus daily fish oil supplements in slowing or preventing the decline in renal function in children, adolescents, and young adults with moderate to severe immunoglobulin A nephropathy.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
96

participants targeted

Target at P50-P75 for phase_2

Timeline
Completed

Started Nov 1997

Longer than P75 for phase_2

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 1, 1997

Completed
2 years until next milestone

First Submitted

Initial submission to the registry

October 18, 1999

Completed
1 day until next milestone

First Posted

Study publicly available on registry

October 19, 1999

Completed
7.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2007

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2007

Completed
Last Updated

May 4, 2025

Status Verified

September 1, 2008

Enrollment Period

9.8 years

First QC Date

October 18, 1999

Last Update Submit

April 30, 2025

Conditions

Keywords

IgA glomerulonephritisrare diseaserenal and genitourinary disorders

Outcome Measures

Primary Outcomes (1)

  • Time to failure

    Time to failure was defined as the interval until the eGFR fell to \<60% of baseline value.

    Up to 5 years after randomization

Study Arms (3)

Prednisone

EXPERIMENTAL

Tapering regimen of alternate-day prednisone tablets (Deltasone)

Drug: prednisone

omega-3 fatty acids

EXPERIMENTAL

Omega 3 fatty acid Omacor

Drug: omega-3 fatty acids

Placebo

PLACEBO COMPARATOR

Placebo for prednisone or fatty acid

Drug: Placebo

Interventions

Also known as: Omacor
omega-3 fatty acids
Also known as: Deltasone
Prednisone
Placebo

Eligibility Criteria

AgeUp to 40 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64)
PROTOCOL ENTRY CRITERIA: --Disease Characteristics-- Histologically confirmed immunoglobulin A nephropathy (IgAN) Patients must have either: - Persistent severe proteinuria alone (urine Pr/Cr ratio at least 1.0) OR - Moderate proteinuria plus renal biopsy changes indicating risk of progression (glomerulosclerosis or proliferation) --Prior/Concurrent Therapy-- Endocrine therapy: At least 1 month since any prior prednisone No more than 3 months of prior prednisone therapy since renal biopsy Other: At least 1 month since any prior immunosuppressive therapy or fish oils No more than 3 months of prior immunosuppressive therapy or fish oil administration since renal biopsy --Patient Characteristics-- Hepatic: Bilirubin less than 2 times upper limit of normal (ULN) AST less than 2 times ULN No known chronic liver disease Renal: Protein excretion greater than 0.5 g/1.73 m2/24 hours OR Urine protein/creatinine ratio greater than 0.5 on 2 occasions at least 4 weeks apart in the 6 months prior to study Creatinine clearance at least 50 mL/min Other: No systemic lupus erythematosus No Henoch-Schonlein purpura No diabetes mellitus, cataracts, aseptic necrosis of any bone, or other conditions potentially exacerbated by prednisone therapy Not pregnant Adequate contraception required of all fertile patients

Contact the study team to discuss eligibility requirements. They can help determine if this study is right for you.

Sponsors & Collaborators

Study Sites (1)

Medical City Dallas Hospital

Dallas, Texas, 75230, United States

Location

Related Publications (3)

  • Hogg RJ. A randomized, placebo-controlled, multicenter trial evaluating alternate-day prednisone and fish oil supplements in young patients with immunoglobulin A nephropathy. Scientific Planning Committee of the IgA Nephropathy Study. Am J Kidney Dis. 1995 Nov;26(5):792-6. doi: 10.1016/0272-6386(95)90445-x. No abstract available.

    PMID: 7485134BACKGROUND
  • Hogg RJ, Lee J, Nardelli N, Julian BA, Cattran D, Waldo B, Wyatt R, Jennette JC, Sibley R, Hyland K, Fitzgibbons L, Hirschman G, Donadio JV Jr, Holub BJ; Southwest Pediatric Nephrology Study Group. Clinical trial to evaluate omega-3 fatty acids and alternate day prednisone in patients with IgA nephropathy: report from the Southwest Pediatric Nephrology Study Group. Clin J Am Soc Nephrol. 2006 May;1(3):467-74. doi: 10.2215/CJN.01020905. Epub 2006 Apr 12.

  • Tunnicliffe DJ, Reid S, Craig JC, Samuels JA, Molony DA, Strippoli GF. Non-immunosuppressive treatment for IgA nephropathy. Cochrane Database Syst Rev. 2024 Feb 1;2(2):CD003962. doi: 10.1002/14651858.CD003962.pub3.

MeSH Terms

Conditions

Glomerulonephritis, IGARare DiseasesUrogenital Diseases

Interventions

Fatty Acids, Omega-3OmacorPrednisone

Condition Hierarchy (Ancestors)

GlomerulonephritisNephritisKidney DiseasesUrologic DiseasesFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsMale Urogenital DiseasesAutoimmune DiseasesImmune System DiseasesDisease AttributesPathologic ProcessesPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

Dietary Fats, UnsaturatedDietary FatsFatsLipidsFatty Acids, UnsaturatedFatty AcidsFish OilsOilsPregnadienediolsPregnadienesPregnanesSteroidsFused-Ring CompoundsPolycyclic Compounds

Study Officials

  • Ronald Hogg

    Southwest Pediatric Nephrology Study Group

    STUDY CHAIR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
NIH
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 18, 1999

First Posted

October 19, 1999

Study Start

November 1, 1997

Primary Completion

August 1, 2007

Study Completion

August 1, 2007

Last Updated

May 4, 2025

Record last verified: 2008-09

Locations