Membranoproliferative glomerulonephritis medical therapy: Difference between revisions

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There are three factors to consider the treatment of membranoproliferative glomerulonephritis (MPGN): 
{{Membranoproliferative glomerulonephritis}}
* Identify the underlying cause of the MPGN, (e.g. lupus, infection, disorders of the complement pathway, or ideopathic MPGN);
{{CMG}} {{APM}} {{AE}} {{OO}} {{JSS}} {{SAH}}
* Asses the factors that predict renal prognosis (e.g. degree of proteinuria, age, comorbidities); and
* Treat the underlying cause of the MPGN,
 
Treatment of the underlying cause of the MPGN
 
Once the underlying cause of the MPGN is identified, therapy should be targeted accordingly.
 
MPGN due infections should target the causative pathogen. This can include antivirals, antimicrobials and antiparasitic drugs. Immunosuppressive therapy is contraindicated and can be harmful in cases of hepatitis B or C mediated MPGN<ref name="pmid21757949">{{cite journal| author=Sandri AM, Elewa U, Poterucha JJ, Fervenza FC| title=Treatment of hepatitis C-mediated glomerular disease. | journal=Nephron Clin Pract | year= 2011 | volume= 119 | issue= 2 | pages= c121-9; discussion c129-30 | pmid=21757949 | doi=10.1159/000325220 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21757949  }} </ref>.
See therapy for: Hepatitis B, Hepatitis C,.....
 
MPGN due to an autoimmune disease should target the primary disorder and should take into consideration patients age, severity of kidney involvement, and other organ involvements.
 
See therapy for lupus nephritis, ideopathic cryglobulinemia, paraprotein related kidney disease, C3 glomerulonephritis.... 
 
Rituximab has been also used in cases with MPGN associated with a monoclonal gammopathy and it gave a long-lasting complete or partial remissions in 7/8 cases<ref name="pmid21700823">{{cite journal| author=Guiard E, Karras A, Plaisier E, Duong Van Huyen JP, Fakhouri F, Rougier JP et al.| title=Patterns of noncryoglobulinemic glomerulonephritis with monoclonal Ig deposits: correlation with IgG subclass and response to rituximab. | journal=Clin J Am Soc Nephrol | year= 2011 | volume= 6 | issue= 7 | pages= 1609-16 | pmid=21700823 | doi=10.2215/CJN.10611110 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21700823  }} </ref>. Also, rituximab has been shown effective in the treatment of MPGN associated with chronic lymphocytic leukemia <ref name="pmid18397703">{{cite journal| author=Bartel C, Obermüller N, Rummel MJ, Geiger H, Hauser IA| title=Remission of a B cell CLL-associated membranoproliferative glomerulonephritis Type I with rituximab and bendamustine. | journal=Clin Nephrol | year= 2008 | volume= 69 | issue= 4 | pages= 285-9 | pmid=18397703 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=18397703  }} </ref>.
 
Ideopathic MPGN: Indications for immunosuppressive therapy include:
* nephrotic range proteinuria, a
* reduced estimated glomerular filtration,
* and/or severe histologic changes on renal biopsy (eg, crescents)
Treatment of ideopathic MPGN includes (xxx)
 
with immunosuppressive drugs
 
With all the above treatment, Blood pressure, eGFR, proteinuria, and hematuria should be carefully monitored as a tool to check response to therapy. Follow up biopsy may be done in select case to evaluate for response, prognosis, and transformation of disease (e.g change in lupus nephritis class)
 
Assessment of the factors that predict renal prognosis:
 
In general, non-nephrotic range proteinuria (less than 3.5 g/day) and lack of nephrotic syndrome (no hypoalbuminemia, no hyperlipidemia), normal serum creatinine/GFR, and normal blood pressure are all associated with a better prognosis.
Poor prognostic signs at presentation include evidence of nephrotic and nephritic syndrome, including elevated serum creatinine, hypertension plus hematuria. Bad prognosis is also associated with Idiopathic MPGN and signs of tubulointerstitial disease (interstitial inflammation, fibrosis, and tubular atrophy) which correspond to great glomerular damage.


== Overview ==
The optimal therapy for membranoproliferative glomerulonephritis depends on underlying etiology. In [[Infection|infectious]] and haematological etiology treating the underlying infection will result in resolution of membranoproliferative glomerulonephritis.For [[Autoimmunity|autoimmune]] etiology [[Immunosuppression|immunosuppressive]] agents are given.The treatment also includes [[antihypertensive]] therapy, [[Anticoagulant|anticoagulation therapy]] and  [[Statins|anti-lipid]] therapy for [[Nephrotic syndrome|nephrotic syndrome.]]


== Medical Therapy ==
* Pharmacologic therapy is recommended for patients of membranoproliferative glomerulonephritis.  Treatment options depends upon underlying etiology.<ref name="pmid29852477">{{cite journal| author=Bomback AS, Fervenza FC| title=Membranous Nephropathy: Approaches to Treatment. | journal=Am J Nephrol | year= 2018 | volume= 47 Suppl 1 | issue=  | pages= 30-42 | pmid=29852477 | doi=10.1159/000481635 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=29852477  }}</ref><ref name="pmid22859855">{{cite journal| author=Waldman M, Austin HA| title=Treatment of idiopathic membranous nephropathy. | journal=J Am Soc Nephrol | year= 2012 | volume= 23 | issue= 10 | pages= 1617-30 | pmid=22859855 | doi=10.1681/ASN.2012010058 | pmc=3458460 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22859855  }}</ref><ref name="pmid10495797">{{cite journal |vauthors=Wasserstein AG |title=Membranous glomerulonephritis |journal=J. Am. Soc. Nephrol. |volume=8 |issue=4 |pages=664–74 |date=April 1997 |pmid=10495797 |doi= |url=}}</ref><ref name="pmid15847250">{{cite journal |vauthors=Ozsoy RC, Koopman MG, Kastelein JJ, Arisz L |title=The acute effect of atorvastatin on proteinuria in patients with chronic glomerulonephritis |journal=Clin. Nephrol. |volume=63 |issue=4 |pages=245–9 |date=April 2005 |pmid=15847250 |doi= |url=}}</ref>
* Patients with autoimmune etiology are treated with [[immunosuppressive]] therapy.
* Patients with infectious etiology are treated with antivirals or [[Antibiotic|antibiotics]] .
* [[Hepatitis B]] and [[Hepatitis C]] are treated with antivirals.
** [[Leukemia|Leukemias]] and [[Lymphoma|lymphomas]] treated with [[chemotherapy]].
* Other pharmacologic medical therapies for membranoproliferative glomerulonephritis include [[antihypertensive]] therapy, anticoagulation therapy and  anti-lipid therapy.
'''1. Patients with autoimmune etiology'''


:*'''1.1 Immunosuppressive therapy:'''
:** Preferred regimen (1): [[Prednisone]] 0.5 mg/kg per day with [[cyclophosphamide]] IV for 3-5 months
:** Preferred regimen (2): [[Methylprednisolone]] 0.4 mg/kg per day given with [[cyclophosphamide]] 2.0 to 2.5 mg/kg per day given IV for 2, 4, and 6 months
:** Preferred regimen (3): [[Tacrolimus]] 0.05 mg/kg per day for PO for 12 months with a six-month taper
:** Preferred regimen (4): [[Rituximab]] 3.5g/day IV for 6-12 months
:*'''2. Treatment for nephrotic sydnrome:'''
:** '''2.1 Antihypertensive therapy'''
:*** Preferred regimen (1) [[Angiotensin|Losartan]] PO for 50 mg q daily (100mg per day)
:** '''2.2 Anticoalgulation tharapy'''
:*** [[Heparin|Low molecular weight or unfractionated heparin]], followed by PO [[warfarin]].
:** '''2.3 Anti-lipid therapy'''
:*** '''2.3.1 Life-style modification'''
:**** Decrease salt intake
:**** Weight loss
:*** '''2.3.2 Statins'''
:**** Preferred regimen (1): [[Atorvastatin clinical studies|Atorvastatin]] PO 10mg q daily
==References==
==References==
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[[Category:Disease]]
[[Category:Disease]]
[[Category:Nephrology]]
[[Category:Nephrology]]


[[Category:Needs content]]
[[Category:Needs content]]

Latest revision as of 20:52, 2 August 2018


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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Ali Poyan Mehr, M.D. [2] Associate Editor(s)-in-Chief: Olufunmilola Olubukola M.D.[3] Jogeet Singh Sekhon, M.D. [4] Syed Ahsan Hussain, M.D.[5]

Overview

The optimal therapy for membranoproliferative glomerulonephritis depends on underlying etiology. In infectious and haematological etiology treating the underlying infection will result in resolution of membranoproliferative glomerulonephritis.For autoimmune etiology immunosuppressive agents are given.The treatment also includes antihypertensive therapy, anticoagulation therapy and anti-lipid therapy for nephrotic syndrome.

Medical Therapy

  • Pharmacologic therapy is recommended for patients of membranoproliferative glomerulonephritis. Treatment options depends upon underlying etiology.[1][2][3][4]
  • Patients with autoimmune etiology are treated with immunosuppressive therapy.
  • Patients with infectious etiology are treated with antivirals or antibiotics .
  • Hepatitis B and Hepatitis C are treated with antivirals.
  • Other pharmacologic medical therapies for membranoproliferative glomerulonephritis include antihypertensive therapy, anticoagulation therapy and anti-lipid therapy.

1. Patients with autoimmune etiology

  • 1.1 Immunosuppressive therapy:
  • 2. Treatment for nephrotic sydnrome:

References

  1. Bomback AS, Fervenza FC (2018). "Membranous Nephropathy: Approaches to Treatment". Am J Nephrol. 47 Suppl 1: 30–42. doi:10.1159/000481635. PMID 29852477.
  2. Waldman M, Austin HA (2012). "Treatment of idiopathic membranous nephropathy". J Am Soc Nephrol. 23 (10): 1617–30. doi:10.1681/ASN.2012010058. PMC 3458460. PMID 22859855.
  3. Wasserstein AG (April 1997). "Membranous glomerulonephritis". J. Am. Soc. Nephrol. 8 (4): 664–74. PMID 10495797.
  4. Ozsoy RC, Koopman MG, Kastelein JJ, Arisz L (April 2005). "The acute effect of atorvastatin on proteinuria in patients with chronic glomerulonephritis". Clin. Nephrol. 63 (4): 245–9. PMID 15847250.

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