Polycystic Liver Disease - Marie Hogan, M.D., Ph.D. Associate Professor of Medicine, Nephrology, Mayo Clinic Rochester
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Polycystic Liver Disease Marie Hogan, M.D., Ph.D. Associate Professor of Medicine, Nephrology, Mayo Clinic Rochester
Outline • Historic • Natural History • How do you get liver cysts? • Symptoms • Medical Management • Surgical Management • New Treatments pkdcure.org
Polycystic Liver Disease Disease Gene Chromosome Protein Function ADPKD PKD1 16p13.3 Polycystin1 Membrane receptor PKD2 4q21-23 Polycystin2 Calcium channel ADPLD PLD1 19 p13.2 GlucosidaseII ER protein processing PLD2 6 SEC63 ER protein processing pkdcure.org
Cystogenesis in ADPLD Normal PLD Intralobular ductule Interlobular duct Area duct Segment duct Right hepatic duct Common hepatic duct Common bile duct CP1047707-3 pkdcure.org
Prevalence of Liver Cysts in General Population 100 80 60 % 40 20 0 20 40 60 80 >80 Age (yr) pkdcure.org
PLD in ADPKD Patients MRI Evaluation of Hepatic Cysts in Early ADPKD: CRISP Cohort. • Quantitative MRI scans: 3mm slices • Prevalence of liver cysts in early ADPKD • 58% in 15-24yo • 85% in 25-34yo • 94% in 35-46yos Bae T et al CJASN 2006;1:64-69. pkdcure.org
MRI From Four Patients 24yo man liver 46yo man mild cysts (6.3ml) hepatic cyst (9.3ml) renal cysts severe renal cysts (15.4 ml). (1940 ml). 44yo man 30yo woman hepatic hepatic cysts cysts(318.7 (2368.8 ml) ml) but mild and renal renal cyst cysts (1084.5 burden (37.6 ml). ml). Bae, K. T. et al. CJASN 2006;1:64-69 pkdcure.org
Symptoms of PLD • Mass Effect (by dominant cyst/massive PLD) • Abdominal distension/pain • Early satiety, heartburn, emesis • Malnutrition, loss of muscle/fat • Dyspnea, orthopnea • Change in bowel pattern, hemorrhoids • Back pain • Hernias, uterine prolapse, rib fractures • Venous obstruction (hepatic, IVC, porta) • Bile duct obstruction pkdcure.org
Symptoms of PLD Complications – Hemorrhage – Rupture – Infection Rare Associations – Bile duct dilatation – Congenital hepatic fibrosis – Cholangiocarcinoma pkdcure.org
CRISP & HALT Cohorts: MR Evaluation of Hepatic Cysts in Early Disease • CRISP: C-G GFR >70, quantitative MR scans: 3mm slices • 58% in 15-24yo • 85% in 25-34yo • 94% in 35-46yos •HALT: • Women: Men: • 44% ≤24, 17% • 68% 25-34 57% • 84% ≥ 35 79% Bae T et al (CRISP).CJASN 2006. Chapman A et al (HALT). ASN 2010. ©2011 MFMER | slide-10
Wide Disease Spectrum in PLD: Hogan et al for HALT Investigators. Submitted.
HALT-A: Wide variability in Polycystic Liver Disease Severity: HtLPV also increases, but then plateaus. Hogan et al for HALT Investigators. pkdcure.org Submitted.
A. Hepatomegaly (TLV 2677ml) with larger contribution of LPV HALT-PKD MRI (2576ml) compared to LCV (101ml): images: B. Hepatomegaly (11834ml) with larger contribution of LCV (9806 ml) compared to LPV (2028ml); C. D. Splenomegaly (601ml) associated Splenomegaly (542ml) associated wi with severe PLD (3388ml) with LCV moderate PLD (LV 2082ml,LCV 110ml) (1044ml);
Cyst Infection • Risk Factors – Recent abdominal surgery – Kidney Transplant – Chronic dialysis • Symptoms – Fever + new onset RUQ pain – Leukocytosis ↑ESR – ↑ ALP – Bacteremia – Cultures of undrained cyst fluid +ve pkdcure.org
Liver Cyst Infections: • Risk Factors • Recent abdominal surgery • Kidney Transplant • Chronic dialysis • Symptoms • Fever + new onset RUQ pain • Leukocytosis ↑ESR • ↑ ALP • Bacteremia • Cultures of undrained cyst fluid +ve pkdcure.org
Infected Kidney & Liver Cysts: Diagnostic Criteria: T>38°C x >3 d Tenderness in kidney/ liver CRP >5 mg/dl, Absent intracystic bleeding on CT •Kidney > Liver •PET/CT reliably detects cyst infection •Infected liver cysts require drainage •US, CT, MRI failed to detect cyst infection in most cases. •E.coli commonest (74% all) often B lactam resistant •Quinolone antibiotics – up to 2 months Sallée M et al (Necker Hospital). CJASN 2009. ©2011 MFMER | slide-16 Jouret F et al. CJASN 2011. pkdcure.org
Nonsurgical Treatment Options • Avoid estrogens • Avoid caffeine • Caffeine stimulates cAMP • H2-blocker or H+/K+ ATPase inhibitor • ↓ secretion rates from unroofed liver cysts, possibly by inhibiting gastric acidity and secretion of secretin • Somatostatin analogues • Long-acting octreotide/ lanreotide pkdcure.org
Surgical Treatment Options 1. Percutaneous aspiration/sclerosis 2. Fenestration (laparoscopic or open) 3. Hepatic resection/fenestration 4. Liver transplantation pkdcure.org
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Alcohol Sclerosis of Liver Cysts Success rate: Primary: 69% Secondary: 23% Failure: 8% Complications: Major: None Minor: Transient pain pkdcure.org
Laparoscopic Fenestration INTRAOPERATIVE COMPLICATIONS Hypothermia Hypercapnia POSTOPERATIVE COMPLICATIONS Transient ascites (46%) SYMPTOMATIC RELIEF 85% RECURRENCE of SYMPTOMS 73% Useful for few large cysts pkdcure.org
Massive PLD • Focal (preserved liver segments in >80% of patients) • Parenchymal volume constant pkdcure.org
Massive PLD Combined Resection-Fenestration pkdcure.org
-10yrs -3yrs -Pre-op +1 year +3years +10years Courtesy of Vicente E. Torres.
Liver Transplantation for Massive PLD pkdcure.org
Model for End-Stage Liver Disease (MELD) Numerical system that ranks (from 6 to 40) patients waiting for a liver based on three lab test results: – Bilirubin (how effectively the liver excretes bile) – INR (prothrombin time, ability to clot blood) – Creatinine (kidney function) pkdcure.org
Liver and Kidney Transplantation for PLD •First done 1988 •Malnutrition and failure to thrive •Baylor/ Dallas Transplant Institute: 14 patients: 1987-2003 •MELD= 15 ± 7.5 •Liver weight 2.6–12.6 kg •5-year survival for liver transplant considering all published studies ~ 85% •Excellent Quality of Life •Most of the mortality occurring in the first 3 months. T Ueno. Transplantation. 82 (4) 501-7. 2006 pkdcure.org
51yo (59kg) with ADPKD with 9.1 kg Liver Wall WJ. NEJM 2007 pkdcure.org
Alternative Treatment Options • Hepatic artery embolization • Endovascular stent • Transjugular intrahepatic portosystemic shunt (TIPS) • La Veen shunt pkdcure.org
Severe PLD: Hepatic Artery Embolization Ubara. AJKD 43: 733, 2004 pkdcure.org
Hepatic Artery Embolization: Pre Post (2 years) Ubara. AJKD 43: 733, 2004 pkdcure.org
Molecular Targets . Torres V E , and Harris P C JASN 2014;25:18-32
Mechanisms of Cyst Development Mutations in ADPKD (PKD1 and PKD2) Mutations in ADPLD (PRKCSH and SEC63) • Defective cell planar polarity Normal liver • Centrosomal amplification PLD • Cell cycle dysregulation • Increased apoptosis • Increased fluid secretion • Increased cell proliferation cAMP elevation pkdcure.org
In Cholangiocytes, cAMP Facilitates Fluid Secretion & Proliferation Normal PCK Basolateral Apical (blood) (bile) SSTR2 Somatostatin Fluid secretion [↑cAMP [↓cAMP] ] SSTR3 Proliferation Secretin SSTR5 Cyst growth Masyuk, Gastroenterology, 2007
Somatostatin and Its Analogs SST SSTR1 SSTR2 SSTR3 SSTR4 SSTR5 T1/2 = 3 min OCT SSTR1 SSTR2 SSTR3 SSTR4 SSTR5 T1/2 = 2 h PAS SSTR1 SSTR2 SSTR3 SSTR4 SSTR5 T1/2 = 12 h 35
Long-Acting Octreotide Trial Mayo Clinic Prospective, double blind, placebo controlled (2:1), 42 patients Octreotide LAR 40 mg IM every 4 weeks Primary endpoint: % change in liver volume at 12 months (MRI) Secondary endpoints: % change in kidney and liver/renal cyst volumes Patient Characteristics • Age ≥ 18 years • PLD associated with ADPKD or isolated ADPLD • Liver volume >4000 mL or symptomatic due to mass effects • Not a candidate for or declining surgical intervention • Serum creatinine
Study Flow Diagram Hogan, M. C. et al. J Am Soc Nephrol 2010;21:1052-1061 pkdcure.org
Long-Acting Octreotide Trial in ADPKD: • Randomized, placebo-controlled, cross- over study x 6 months p
blind, 1:1 placebo-controlled (6 months) Lanreotide: Absolute Volume Changes (ml): Liver n=54 Volume Changes (%) Liver Kidney □ Placebo: + 1.6 % □ Placebo: + 3.4 % ■ Lanreotide: - 2.9 % ■ Lanreotide: - 1.5 % P-value
MAYO OCTREOTIDE TRIAL Hogan et al. JASN 2010.
MAYO OCTREOTIDE TRIAL: KiDNEY VOLUME Hogan et al. JASN 2010.
Meta-Analysis of 107 PLD Patients • -5.3% in TLV after 6-12 mo (95% CI: -3.4 to - 7.2%) compared to placebo (p47yrs, treatment effects of SAs on TLV were significant (- 8.0%, p< 0.001 and -4.2%, p = 0.018), with largest effect in the younger group • In the placebo group, young women (≤47 yrs) had the largest growth in TLV (4.9%, 95% CI: 2.7 to 8.1%), whereas mean TLV did not increase in older women and men Gevers et al. Gastroenterology 2013 42.
Reduction Of Liver Cyst Burden In Patients Receiving Continuous OctLAR Therapy. Patient 1 Decreased 25% Patient 2 of 10% Patient 3 13% in TLV. Hogan M C et al. NDT. 2012;27:3532-9 Ruggenenti, KI, 2005; Van Keimpema. Gastroenterology 2009 Caroli. CJASN. 2010.
Therapy with OctLAR over four years on polycystic liver disease: • A subgroup of symptomatic PLD patients shows the beneficial effects in arresting of PLD progression, • Discontinuation of therapy leads to further organ regrowth. • Women
Pasireotide is more effective than Octreotide in reducing hepato-renal cystogenesis in rodents PKD & PLD: Masyuk T et al Hepatology. 2012 Clinicaltrials.gov NCT1670110 ©2011 MFMER | slide-45
Open Label Lockcyst trial: Extension of Lockcyst Lanreotide trial: Lanreotide Mayo: OctLAR Completed June ALADIN:Italy Nephropathy 2012 3yr f /u Mayo: OctLAR Completed June 2012 RCT Open label Extension Completed ELATE: Octreotide; Oct+Everolimus Ruggenenti KI 2005. Chrispijn & Drenth Trials 2011. Van Keimpena Gastroenterology. Perico Lancet 2013. Hogan JASN 2010. Hogan NDT 2012,
Perico et al. Lancet 2013. NCT00309283 N=75
Sirolimus (Rapamycin, Rapamune®) • Discovered >30 years ago • Found in an Easter Island soil sample around 1970. "Rapamycin" comes from Rapa Nui. • Anti-cancer activity known since mid-1970s. • Natural compound made by Streptomyces hygroscopicus, • Binds FK506 binding protein (FKBP-12) in a molecular complex that involves the subunit regulatory associated protein of TOR (RAPTOR), and inhibits mTOR kinase activity. • Inhibition of mTOR: downregulation of CDK complexes and p27 (Kip1) accumulation; blocks cell-cycle progression in late G1/S. • Inhibits proliferation of endothelial & vascular smooth muscle cells required for tumor angiogenesis. pkdcure.org
Retrospective mTOR inhibitor Studies following Renal Transplantation: - 11.9 % + 14.1 % Qian JASN 22:1769-1771, 2007. ©2011 MFMER | slide-49
mTOR Studies: Cllinicaltrials.gov pkdcure.org
Summary: • Liver involvement is common • Severe PLD is uncommon – Medical options (not FDA approved) – Surgical options – Lifestyle • Hogan.marie@mayo.edu pkdcure.org
Caffeine Intake in ADPKD: • Caffeine Intake is low. • No correlation with renal volume or GFR Brazil J Med Biol Research 2012 pkdcure.org
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