AbbVie Announces Real-World Data with VIEKIRAX® (ombitasvir/paritaprevir/ritonavir tablets) and EXVIERA® (dasabuvir tablets) from Large German Hepatitis C-Registry

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PR Newswire

BARCELONA, Spain, April 15, 2016

BARCELONA, Spain, April 15, 2016 /PRNewswire/ -- AbbVie (NYSE: ABBV), a global biopharmaceutical company, today announced new real-world data showing 96 percent of genotype 1 (GT1) patients (n=486/505 assessable for analysis) and 100 percent (n=53/53) of genotype 4 (GT4) patients achieved sustained virologic response at 12 weeks post-treatment (SVR₁₂).¹ These data support results seen in Phase 3 clinical trials for chronic GT1 or GT4 hepatitis C virus (HCV) infected patients treated with VIEKIRAX® (ombitasvir/paritaprevir/ritonavir tablets) and EXVIERA® (dasabuvir tablets) with or without ribavirin (RBV).

The analysis also reports safety outcomes from 1,017 people with GT1 or GT4 chronic HCV enrolled in the German Hepatitis C-Registry (DHC-R) who have initiated treatment, representing a diverse group of patients seen in real-world settings being treated with VIEKIRAX and EXVIERA. The results will be presented orally today at The International Liver Congress™ (ILC) 2016 in Barcelona, Spain.

"Real-world studies complement randomized controlled trials and help to further enhance our knowledge of VIEKIRAX and EXVIERA in everyday clinical practice," said Heiner Wedemeyer, M.D., research group leader, department of gastroenterology, hepatology and endocrinology at Hannover Medical School in Germany. "The effectiveness and safety results shown across a broad cross-section of patients in this particular study provide helpful insight into treatment of real-world patients."

The safety study population (n=1,017) was reflective of a diversity of patients seen in routine clinical practice, including patients with cirrhosis (22 percent) and those previously treated for HCV (59 percent).¹ More than half of patients (59 percent) were taking medicines for other medical conditions.¹

"These results provide additional insights that complement the Phase 3 clinical trial data for VIEKIRAX and EXVIERA," said Rob Scott, M.D., vice president, development and chief medical officer, AbbVie. "We believe further ongoing real-world studies across multiple countries will enrich our understanding of HCV treatment."

Among the patients included in the safety analysis (n=1,017), the rate of discontinuation due to adverse events (AEs) was low (1.5 percent).¹ The most common AEs (≥ 5 percent) were fatigue (24 percent), pruritus (10 percent), headache (9 percent), insomnia (6 percent) and nausea (5 percent).¹ Serious AEs were reported in 1 percent (n=5/480) of patients receiving VIEKIRAX and EXVIERA without RBV and in 3 percent (n=16/537) of patients receiving VIEKIRAX and EXVIERA with RBV.¹ Fifteen patients discontinued treatment due to AEs, while two patients died due to myocardial infarction or stroke, respectively. Both cases were assessed as not related to study treatment.¹

About the German Hepatitis C-Registry (DHC-R)*
The DHC-R is a non-interventional, prospective cohort study enrolling more than 9,000 patients receiving treatment for chronic HCV at 254 study sites throughout Germany.¹ The German Hepatitis C-Registry (Deutsches Hepatitis C-Register) is a project of the German Liver Foundation (Deutsche Leberstiftung) managed by Leberstiftungs-GmbH Deutschland in cooperation with the Association of German Gastroenterologists (BNG).

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This ongoing study included 1,017 registry patients who received VIEKIRAX and EXVIERA with or without RBV between February 2014 and December 2015.¹ Patients included 261 (26 percent) with genotype 1a (GT1a), 614 (60 percent) with genotype 1b (GT1b, the most prevalent genotype in Europe) and 125 (12 percent) with GT4.^1,² A further 17 patients (2 percent) had an unspecified, mixed or alternative GT1-subgenotype infection.¹

*The registry was funded by AbbVie, other companies, the German Liver Foundation, and the German Center for Infection Research (DZIF).

About VIEKIRAX® + EXVIERA®
VIEKIRAX + EXVIERA is approved in the European Union for the treatment of genotype 1 (GT1) chronic hepatitis C virus (HCV) infection, including patients with compensated cirrhosis. VIEKIRAX is approved in the European Union for the treatment of genotype 4 (GT4) chronic HCV infection.

VIEKIRAX tablets consist of the fixed-dose combination of paritaprevir 150mg (NS3/4A protease inhibitor) and ritonavir 100mg with ombitasvir 25mg (NS5A inhibitor), dosed once daily. EXVIERA tablets consist of dasabuvir 250mg (non-nucleoside NS5B polymerase inhibitor) dosed twice daily. VIEKIRAX + EXVIERA are taken with or without ribavirin (RBV), dosed twice daily based on patient type. VIEKIRAX + EXVIERA is taken for 12 weeks with or without RBV, except in genotype 1a and GT4 patients with compensated cirrhosis, who should take it for 24 weeks with RBV.

Paritaprevir was discovered during the ongoing collaboration between AbbVie and Enanta Pharmaceuticals (NASDAQ: ENTA) for hepatitis C protease inhibitors and regimens that include protease inhibitors. Paritaprevir has been developed by AbbVie for use in combination with AbbVie's other investigational medicines for the treatment of chronic hepatitis C.

Additional information about AbbVie's hepatitis C development program can be found on www.clinicaltrials.gov.

EU Indication
VIEKIRAX is indicated in combination with other medicinal products for the treatment of chronic hepatitis C (CHC) in adults. EXVIERA is indicated in combination with other medicinal products for the treatment of CHC in adults.

Important EU Safety Information

Contraindications:
VIEKIRAX + EXVIERA are contraindicated in patients with severe hepatic impairment (Child-Pugh C). Patients taking ethinyl estradiol-containing medicinal products must discontinue them and switch to an alternative method of contraception prior to initiating VIEKIRAX + EXVIERA. Do not give VIEKIRAX with certain drugs that are sensitive CYP3A substrates or strong inhibitors of CYP3A. Do not give VIEKIRAX and EXVIERA with strong or moderate enzyme inducers. Do not give EXVIERA with certain drugs that are strong inhibitors of CYP2C8.

Special warnings and precautions for use:
VIEKIRAX and EXVIERA are not recommended as monotherapy and should be used in combination with other medicinal products for the treatment of hepatitis C infection.

Risk of Hepatic Decompensation and Hepatic Failure in Patients with Cirrhosis VIEKIRAX and EXVIERA are not recommended in patients with moderate hepatic impairment (Child-Pugh B). Patients with cirrhosis should be monitored for signs and symptoms of hepatic decompensation, including hepatic laboratory testing at baseline and during treatment.

ALT elevations
Transient elevations of ALT to >5x ULN without concomitant elevations of bilirubin occurred in clinical trials with VIEKIRAX + EXVIERA and were more frequent in a subgroup who were using ethinyl estradiol-containing contraceptives.

Pregnancy and concomitant use with ribavirin
Extreme caution must be taken to avoid pregnancy in female patients and female partners of male patients when VIEKIRAX with or without EXVIERA is taken in combination with ribavirin, see section 4.6 and refer to the Summary of Product Characteristics for ribavirin for additional information.

Use with concomitant medicinal products
Use caution when administering VIEKIRAX with fluticasone or other glucocorticoids that are metabolized by CYP3A4. A reduction in colchicine dosage or interruption in colchicine is recommended in patients with normal renal or hepatic function. VIEKIRAX with or without EXVIERA is expected to increase exposure of statins so certain statins need to be discontinued or dosages reduced. Low dose ritonavir, which is part of VIEKIRAX, may select for PI resistance in HIV co-infected patients without ongoing antiretroviral therapy. HIV co-infected patients without suppressive antiretroviral therapy should not be treated with VIEKIRAX.

Adverse Reactions
Most common (>20 percent) adverse reactions for VIEKIRAX + EXVIERA with RBV were fatigue and nausea.

Full summary of product characteristics is available at www.ema.europa.eu

Globally, prescribing information varies; refer to the individual country product label for complete information.

About AbbVie
AbbVie is a global, research-based biopharmaceutical company formed in 2013 following separation from Abbott Laboratories. The company's mission is to use its expertise, dedicated people and unique approach to innovation to develop and market advanced therapies that address some of the world's most complex and serious diseases. Together with its wholly-owned subsidiary, Pharmacyclics, AbbVie employs more than 28,000 people worldwide and markets medicines in more than 170 countries. For further information on the company and its people, portfolio and commitments, please visit www.abbvie.com. Follow @abbvie on Twitter or view careers on our Facebook or LinkedIn page.

¹ Hinrichsen H, et al. Real-world Safety and Effectiveness of Ombitasvir/Paritaprevir/r with Dasabuvir and/or Ribavirin in the German Hepatitis C Registry. Oral presentation #GS07; presented at the International Liver Congress^TM (ILC), the Annual Meeting of the European Association for the Study of the Liver (EASL) in Barcelona, April 13-17, 2016.
² O'Leary JG, Davis GL. Hepatitis C. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger and Fordtran's Gastrointestinal and Liver Disease: Pathophysiology/Diagnosis/Management. 9th ed, vol 1. Philadelphia, PA: Saunders Elsevier. 2010:1313-1335.

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