interdisciplinary hepatitis c treatment program in a ... › hiv › docs › symposium... ·...
TRANSCRIPT
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Interdisciplinary Hepatitis C Treatment Program in a Primary Care SettingPresented by
LCDR Jonathan H. Owen. PharmD, cTTS, AE-C
LT Neelam Gazarian. PharmD
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Financial Disclosures
• LCDR Jonathan Owen▫ None
• LT Neelam Gazarian▫ None
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Objectives
• Discuss the HCV virus and impact on Native American Population
• Discuss epidemiology of Hepatitis C in Indian Country
• Review screening methods and procedures when diagnosing between acute and chronic Hepatitis C
• Discuss new therapeutic options for treatment of chronic HCV
• Recognize and assess clinical significance of common drug-drug interactions
• Demonstrate how to establish a pharmacy managed HCV clinic
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What is the Hepatitis C Virus?
Zeisel, M.; Barth, H.; Schuster, C.; Baumert, T. (2009). "Hepatitis C virus entry: molecular mechanisms and targets for antiviral therapy". Frontiers in Bioscience. 14 (8): 3274–3285.
A small, (55-65 nm) enveloped, single stranded RNA virus
7 major genotypes
Half life in serum ~ 45 minutes-3 hours
Each cell produces 50 virions daily
• 1012 virions produced each day, mainly in the hepatocytes of the liver
Utilizes phosphoprotein NS5A and viral RNA-dependent RNA polymerase NS5B
• Target molecules with current treatments
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Hepatitis C As a Global Health Problem
Data from International Travel and Health [Internet]. Geneva: World Health Organization; 2007 [cited 2009 Mar 11]. Available from: http://www.who.int/ith/maps/hepatitisc2007.jpg)
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HCV Incidence
• 30,500 estimated new infections
• IHS just over 2,000 per year▫ Not a true incidence but rather ‘new diagnoses’
• 33,937 HCV+ patients▫ 1,527 born before 1945
▫ 18,482 born 1945-1965
▫ 13,928 born after 1965
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HCV Hospitalization
15 17 16
30
57 62
48
164
0
20
40
60
80
100
120
140
160
180
Overall Male Female 45-64 yo
300% Increase in related Hospitalization for AI/AN – 1995-2007 (per 100,000 persons)
1995-1997 2005-2007Byrd KK, et al Pub Hlth Rep 2011
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HCV Related Mortality
0 2 4 6 8 10 12
AI/AN
Black
Hispanic
White
By race/ethnicity, 2014
Per 100,000
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Epidemiology: Hepatitis C In the Great Plains NE, ND, and SD - Percent of Cases Per Year by Race (2012-2016)
12%
15%
21%
11%
20%
12%11%
15%
18%
30%
0%
5%
10%
15%
20%
25%
30%
35%
2012 2013 2014 2015 2016
Great Plains Area
AI/Ans (n=1,084) Whites (n=1,239)
Nebraska Department of Health & Human Services, North Dakota Department of Health, and South Dakota Department of Health
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Epidemiology: Percent of Cases Per Race & Sex by Age Group by Race (2012-2016)
0
5
10
15
20
25
30
35
40
0-4 5-14 15-24 25-34 35-44 45-54 55-64 65+ Unk
Great Plains Area
AN/AN Males (n=454) AN/AN Females (n=629) Whites (n=1,239) All Races (n=6,804)
Nebraska Department of Health & Human Services, North Dakota Department of Health, and South Dakota Department of Health
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Risk Factors for HCV Infection
• 1 in 30 baby boomers has HEP C
Born between 1945-1965
Blood transfusion or organ donation prior to 1992
Current or former IV drug use
Chronic hemodialysis
Any known blood exposure to HCV-positive blood
Persons with HIV
• 4-7%
Children born to HCV infected mother
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Natural progression following Initial infection with HCV
Scherger, Joseph E., Philip J. Nivatpumin, Sandeep Garg, and Kenneth Algazy. "Hepatocellular Carcinoma." MD Consult. Elsevier Inc., 2012. Web. 1 May 2012.
<http://www.mdconsult.com.eres.library.manoa.hawaii.edu/das/pdxmd/body/337763754-9/1301856863?type=med>.
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Hepatitis C Genotypes
• Genotype 1▫ GT 1b different than GT 1a
• GT 3 associated with higher mortality
Alter MJ et al. N Engl J Med 1999; 341:556-62
60.30%16.70%
0.30%
11.30%
9.60%
1.20% 0% 0.50%
Genotype
1a
1b
1 (unknown)
2
3
4
5
6
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Signs and SymptomsIn
ab
sen
ce o
f C
irrh
osi
s
Fatigue
Impaired cognitive function (brain fog)
Migratory arthralgia or myalgia
Depression
Decreased appetite/weight loss
Acute liver failure rare
Extr
ahe
pat
ic M
anif
esta
tio
ns
of
chro
nic
HC
V
Thombocytopenia
Renal disease
Lymphomas
Neuropathy
Dermatologic manifestations
Mixed cryoglobulinemia
Psoriasis/Pruritus
Diabetes
Neurological impairments
False positive rheumatoid factor
Pancreatic cancer
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Evaluations of Patients with Chronic HCV
Assessment and management of alcohol and substance abuseBehavioral health referral
Special considerations for cirrhotic patientsMonitor for
HCCEvaluate for
cirrhosisReferral for liver transplant
Staging of Liver Disease
Vaccinations
Screening for other causes of liver disease
Baseline exam and labs
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Baseline Studies in Chronic HCVBasic blood tests Comprehensive metabolic panel
Complete blood count with differentialINRVitamin D 25-OHPregnancy test
Liver function test Liver enzyme function tests
total and direct bilirubin
serum albumin
Liver Fibrosis (Echosens) test
Hepatitis and HIV tests
HCV genotype and subtypeQuantitative HCV RNAHIV AntibodyHepatitis A serology (IgG or total)Hepatitis B serology (HBsAG, anti-HBs, anti-HBc)
Miscellaneous and Imaging
Alpha-fetal protein (AFT)
Abdominal ultrasound
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Baseline Studies
CBC w/differential
• Thrombocytopenia (<150 thousand)
• Neutropenia
• Cirrhosis causes BMS
Liver Panel
• AST or ALT
• <30 IU/mL for men
• <19 IU/mL for women
• Bilirubin
• Synthetic function
• Alb INR
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Baseline Studies
HCV tests
• GT and subtype
• Quantitative
• Decide duration
• Acute vs Chronic
Hepatitis A&B
• Revaccination
• HBV reactivation
• 24 cases
• Unknown mechanism
Others
• HIV Antibody
• AFP
• Abdominal u/s-spleen size
• Cirrhosis
• HCC
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Vaccinations
• 0 and 6-18 monthsHep A
• 0, 1-2 and 6-28 monthsHep B
• 0, 1 and 6 monthsTwinrix
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Staging of Liver Disease
Suggestive of Advanced Fibrosis/Cirrhosis
Presence or history of ascites or esophageal varices
Low platelet count (<150,000 mm3)
APRI > 1.0
FIB-4 > 3.25
Fibrosure > 0.72
Imaging/scanning with evidence of cirrhosis
Liver biopsy with F3 or F4 fibrosis
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Staging of Liver Disease: APRI, FIB-4 Score
Lin ZH, Xin YN, Dong QJ, et al. Performance of the aspartate aminotransferase-to-platelet ratio index for the staging of hepatitis C-related fibrosis: an updated meta-analysis. Hepatology. 2011;53:726-36.Sterling RK, Lissen E, Clumeck N, et. al. Development of a simple noninvasive index to predict significant fibrosis patients with HIV/HCV co-infection. Hepatology 2006;43:1317-1325.
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Staging of Liver Disease: Child-Pugh Classification of Cirrhosis
• Class A: Mild dysfunction
▫ 5 to 6 points
▫ 100% 1 year survival
• Class B: Moderate dysfunction
▫ 7 to 9 points
▫ 80% 1 year survival
• Class C: Severe dysfunction
▫ 10-15 points
▫ 45% 1 year survival
• Calculated only for patients with cirrhosis or suspected
Factor 1 point 2 points 3 points
Total bilirubin (µmol/L)
<34 34-50 >50
Serum albumin (g/L)
>35 28-35 <28
PT INR <1.7 1.71-2.30 >2.30
Ascites None Mild Moderate tosevere
Hepaticencephalopathy
None Grade I-II Grade III-IV (orrefractory)
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Staging of Liver Disease: Liver Biopsy
• No longer considered gold standard
• Invasive procedure
• Expensive
• Poor patient acceptance
• Interpretation has significant variability
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Staging of Liver Disease: Cirrhosis
Development of complications between
compensated and decompensated cirrhosis
• Variceal hemorrhage
• Ascites
• Encephalopathy
• Jaundice
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Staging of Liver Disease: Cirrhosis
• Median survival▫ Compensated: 9 years
▫ Decompensated: 1.6 years
• Patients with a score of 15 or greater should be considered for evaluation of liver transplant
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Alcohol and On-going Substance Abuse
• NOT indicated to withhold HCV therapy based on active alcohol or substance use
• Patients may be referred to behavioral health of substance abuse treatment before and during HCV management
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Protecting the Liver
• Coffee and tea may be liver protective
• Statins may be hepatoprotective and even may decrease risk of HCC
• Tobacco: Can increase risk of hepatocellular carcinoma.
• Marijuana: chronic use associated with increased fibrosis
• Alcohol: hepatotoxic
Pastori et al. Digestive and Liver Disease. Volume 47, Issue 1, January 2015, Pages 4-11
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HCV Therapy: GoalsCure
• Defined as sustain Virologic response (SVR)
• No detectable viral RNA three months post completion of treatment
Improvements in liver function
• Decreased fibrosis, potentially reversal of cirrhosis
Improvements in extrahepatic manifestations of HCV
Improved glycemic control, decreased insulin resistance
Quality of life!
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HCV Therapy: Old vs New
Interferon Based
• Injectable
• Long duration of treatment: 6 to 12 months
• High side effect profile
▫ Fatigue, alopecia, neutropenia, insomnia, depression
• Low cure rate
▫ 10-50%
Direct Acting Antivirals
• Oral
• Shorter durations: 2-3 months
• Minimal side effects
▫ N/V, muscle weakness
• High cure rates: >99%
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HCV Therapy: Old vs New
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HCV Direct Acting Antivirals (DAAs)
Target NS3/4A: Protease Inhibitors (-previr)
NS5A: Replication Complex Inhibitors (-asvir)
NS5B: PolymeraseInhibitors (-buvir)
Glecaprevir Ledipasvir Sofosbuvir
Voxilaprevir Pibrentasvir
Velpatasvir
Harvoni® - Ledipasvir/SofosbuvirEpclusa® - Sofosbuvir/VelpatasvirMavyret® - Glecaprevir/PibrentasvirVosevi® - Sofosbuvir/Velpatasvir/Voxilaprevir
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HCV Therapy: Ledipasvir/Sofosbuvir Harvoni®
Harvoni [package insert]. Foster City, CA: Gilead Sciences, Inc.; 2016.
Treatment naïve
GT 1 and 4
Combination of NS5B polymerase
inhibitor (Sofosbuvir) and NS5A inhibitor
(Ledipasvir)
Administration
1 tab daily
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HCV Therapy: Ledipasvir/Sofosbuvir Harvoni®
9894
9994 9597 96
99
93
0
10
20
30
40
50
60
70
80
90
100
ION-1 ION-2 ION-2 ION-3 ION-3
Efficacy SummaryION Studies
No RBV RBV
Weeks 12 12 81224
N=214 217 109 111 109 111 215 216 216Treatment naïve
16% cirrhosisTreatment experienced
20% cirrhosisTreatment naïve
No cirrhosis
Afdhal N, et al. N Engl J Med 2014; 2014 Apr 12 [Epub ahead of print] Kowdley K, et al. N Engl J Med 2014; 2014 Apr 11 [Epub ahead of print] Afdhal N, et al. N Engl J Med 2014; 2014 Apr 12 [Epub ahead of print]
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HCV Therapy: Sofosbuvir/Velpatasvir Epclusa®
Epclusa [package insert]. Foster City, CA: Gilead Sciences, Inc.; 2016.
Treatment naïve and treatment experienced
Pangenotypic: 1,2,3,4,5,6
Combination of NS5B polymerase
inhibitor (Sofosbuvir) and NS5A inhibitor
(Ledipasvir)
Administration
1 tab daily
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HCV Therapy: Sofosbuvir/Velpatasvir Epclusa®
99 99 99 99 99
0
10
20
30
40
50
60
70
80
90
100
Total Non-Cirrhotic Cirrhotic Treatment Naïve Treatment Experienced
Efficacy SummaryASTRAL-1: SVR12 for all Genotypes
Feld, AASLD, 2015, LB-2. Feld JJ, et al. N Engl J Med. 2015. DOI: 10.1056/NEJMoa1512610
618/624 496/501 120/121 418/423 200/201
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HCV Therapy: Sofosbuvir/Velpatasvir/Voxilaprevir Vosevi®
Vosevi [package insert]. Foster City, CA: Gilead Sciences, Inc.; 2017
Treatment experienced with
NS5A inhibitor
Pangenotypic: 1,2,3,4,5,6
Combination of NS5B (Sofosbuvir), NS5A (Velpatasvir),
and NS3/4A (Voxilaprevir)
Administration
1 tab daily with food
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HCV Therapy: Sofosbuvir/Velpatasvir/Voxilaprevir Vosevi®
9699
93
0
10
20
30
40
50
60
70
80
90
100
All No Cirrhosis Cirrhotic
Efficacy SummaryPOLARIS-1: SVR12 for all Genotypes
Bourlier M, et al. N Engl J Med. 2017;376:2134-46.
253/263 140/142 113/121
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HCV Therapy: Glecaprevir/Pibrentasvir Mavyret®
Mavyret [package insert]. North Chicago, IL: AbbVie, Inc.; 2017
Treatment experienced with
NS5A inhibitor
Pangenotypic: 1,2,3,4,5,6
Combination of NS3/4A protease
inhibitor (Glecaprevir), and
NS5A inhibitor (Pibrentasvir)
Administration
3 tabs daily with food
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HCV Therapy: Glecaprevir/Pibrentasvir Mavyret®
Bourlier M, et al. N Engl J Med. 2017;376:2134-46.
99.1 99.7
0
10
20
30
40
50
60
70
80
90
100
All
Efficacy SummaryENDURANCE-1: SVR12 for GT 1 Non-cirrhotic
8 Weeks 12 Weeks
332/335 331/332
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Summary
Side effect and Adverse Reactions of DAAs
• Well tolerated by most patients
• Most common
▫ Headache
▫ Fatigue
▫ Nausea
▫ Diarrhea
▫ Muscle weakness
Laboratory Abnormalities
• Not common
• Bilirubin elevations
▫ DAAS can inhibit bilirubin transporters
• Initial slight increase in ALT
• Anemia with use of ribavirin
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Drug Interactions with DAAs
• Mostly metabolized by CYP3A4. ▫ Inhibitors: grapefruit, macrolides, azoles, antidepressants, CCB, protease
inhibitors▫ Inducers: Anticonvulsants, barbiturates, hypoglycemics
• Transported by P-gp▫ Inhibitors: Amiodarone, atorvastatin, carvedilol, digoxin, nifedipine,
verapamil▫ Inducers: Aspirin, cyclosporine
• Avoid herbals: St. John’s Wort and milk thistle (2C9)• Acid suppressive therapy▫ Greatest concern with Velpatasvir (Epclusa® and Vosevi®)▫ Counseling point: avoid PPIs while on treatment
May take one dose of H2 antagonist at same time as daily dose
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Summary
• Hepatitis C is an infectious disease that affects the liver that may ultimately lead to cirrhosis, hepatic carcinoma and death
• New treatments highly efficacious with minimal side effects
• Currently may be cost prohibitive but more information forthcoming and in poster presentation
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Summary
• Treatment algorithm available:▫ American Association for The Study of Liver Diseases
https://www.aasld.org/publications/practice-guidelines-0
▫ Project ECHO Training
▫ University of Liverpool https://www.hep-druginteractions.org/
Most comprehensive source available
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Establishing a pharmacy managed HCV Clinic
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Prior to HCV Clinic
With Insurance (Pvt./Federal)
Referred to Medical Specialists
$10,000-$15000/referral
Distance
Lost to follow-up
Without Insurance
Very Few Options
Rationing Care
Poor outcomes
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Inter-collaborative Approach
Patient
Primary Care
Provider
Pharmacist
Laboratory Services
Benefits Coordinator
Behavioral Health
Public Health
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Identifying Patients with Hepatitis C
iCare
168 patients• 25% screening rate
VGEN
155 patients
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EHR Documentation
Referral
Consult from PCP
Walk in
Initial Visit
PHQ-9
AUDIT-C
Education
Labs
Immunizations
Comprehensive
visit
Project ECHO
Start Medication
Authorization
Treatment
Counseling
Labs
Immunizations
End of Treatment
Labs
SVR
Patient is cured!
Counsel about re-infection and
prevention
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Consult Template
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EHR Note Templates
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EHR Note Templates
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Hepatitis C Labs Order Menu
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Hepatitis C Labs Order Set
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Managing Patients
Snapshot of stage in treatment process drop down menus (these can be adjusted)
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Patient Panel
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Individual Patient Data
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Appointment Calendar
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Navigating Insurance/Prior Authorizations
Comprehensive Visit Clinic Notes
Project ECHO
• Recommended regimen
Lab Values
• Chem 14, CBC, anemia panel, Vit D, AFT, HIV, Hep A & B, pregnancy
• Viral load and genotype
• Fibrosis Score: APRI, FIB4, Fibrotest
Abstinence requirements
• Urine drug screens and/or clinical notes
Compliance
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Patient Assistance Program
Gilead’s Support Path
• Harvoni®, Epclusa®
• iAssist: https://www.assistrx.com/iassist/
AbbVie Patient Assistance Foundation
Mavyret®
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Patient Assistance Programs
• Tribal ID card
• Income documents
▫ Max income allowed differs by program
• Proof of no insurance
▫ American Indians/Alaska Natives (AI/AN): Indian Health Coverage Exemption
• “American Indians and Alaska Natives (AI/ANs) and other people eligible for services through the Indian Health Service, tribal programs, or urban Indian programs (like the spouse or child of an eligible Indian) don't have to pay the fee for not having health coverage. This is called having an Indian health coverage exemption.”
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Time Investment and Workload (Minutes)
30 • Initial Visit
30 • ECHO
30 • Prior Authorization
60 • Treatment
30 • Counseling
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Current Status
• Pending
22
• Project Echo
2• Medication
Approval Pending
4
• Treatment
9
• ETR
7
• SVR “cure”
5
22 24 28 37 44 49
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Patients Enrolled in Clinic
Baby Boomers
36%
Non-Baby Boomers
64%
AGE DISTRIBUTION
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HCV Screening Rate
25.3%
27.3%
36.2%
42.1%
48.6%
25.0%
30.0%
35.0%
40.0%
45.0%
50.0%
5/31/2017 6/30/2017 7/31/2017 8/31/2017 9/30/2017 10/31/2017 11/30/2017 12/31/2017 1/31/2018 2/28/2018
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HCV Screening Rate
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Cost Analysis: Cumulative
$911,736
$489,960
$429,912
$93,732
$369,116 $275,383
$0
$200,000
$400,000
$600,000
$800,000
$1,000,000
$1,200,000
$1,400,000
$1,600,000
$1,800,000
$2,000,000
Total Retail Value Cost of Meds toClinic
POS Revenue Total Return
IHS Source
Medicaid/Exp
PAP
$1,831,608
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NICE PROJECT
• The mission of the NICE (Northern Tier Initiative for Hep C Elimination) Project is to provide comprehensive and patient-centered support for clinics with or in process of introducing HCV services at their healthcare facilities in the Norther Tier Areas including but not limited to Great Plains, Billings and Bemidji.
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Who are we?
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Northern Tier Hepatitis C – ECHO Training
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Recorded Webinars
• http://www.npaihb.org/hcv/#clinical-resources▫ How to create an iCare panel
▫ How to create a quick order menu for required labs
▫ How to use the NICE patient management tool
▫ Hepatitis C clinic workflow
▫ Medicaid Letter, appointment cards
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Success Story
Drop minimum fibrosurescore requirements
No NS5A resistance test required unless prescribing Zepatier®
12-months abstinence requirements remains
ND Medicaid and Expansion
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Patient’s Story
• First patient enrolled in HCV clinic summer of 2017, achieved SVR mid-November
“I have been waiting for this for so long. I know I have made some mistakes in the past, but I had started to turn my life around. I am very thankful to them for not being judgmental and for treating me with respect. I am finally able to start a family. God bless you!”
- First patient to attain SVR in Belcourt HCV clinic
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Acknowledgement
Quentin N. Burdick Memorial Health Care Facility Eliminate Hepatitis C Team:
◆LT Neelam Gazarian, PharmD. USPHS MS Pharmacology/Toxicology
◆LCDR Jonathan Owen, PharmD. USPHS. AE-C, CTTS
◆Jordan Walker, PharmD.
• Thanks to:
• Molly Steen, PharmD. Pharmacy Clinical Services Director
• CDR Tyler Lannoye, PharmD. USPHS, Chief of Pharmacy
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Special Thanks
• Jessica Leston , HCV/HIV/STI Clinical Programs Director for the Northwest Portland Area Indian Health Board
• Brigg Reilley, National HIV/AIDS Program
• David Stephens, BSN, RN, Case Manager for the Northwest Portland Area Indian Health Board.
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Questions
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Thank you
• Contact Info:
701-477-6111 Ext 8426