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viiv healthcare submits regulatory application to ema for single tablet two drug regimen of dolutegravir and lamivudine for treatment of hiv

London, UK 14 September 2018

ViiV Healthcare today announced submission of a marketing authorisation application (MAA) to the European Medicines Agency (EMA) for a single-tablet, two-drug regimen of dolutegravir (DTG) and lamivudine (3TC) for the treatment of HIV-1 infection.

The submission is based on the global GEMINI 1 & 2 studies that included more than 1400 HIV-1 infected adults with baseline viral loads up to 500,000 c/mL. The results of these studies were presented at the 2018 International AIDS Society meeting in July.

Deborah Waterhouse, CEO ViiV Healthcare said, “We continue to demonstrate our commitment as a company to developing new medicines for people living with HIV and providing options for reducing the number of medicines they will have to take as part of life-long treatment. This regulatory submission, if approved, will make available a two-drug regimen option with dolutegravir and lamivudine instead of the traditional three-drug regimen and is an important step in the evolution of HIV treatment.”

John C Pottage, Jr, MD, Chief Scientific and Medical Officer, ViiV Healthcare, said, “We want to make HIV a smaller part of people’s lives throughout their treatment journey and are committed to challenging the status quo with innovations that are based on our belief that no one should take more medicines than they need. If approved, a single-tablet, 2-drug regimen of dolutegravir and lamivudine would mark a new era in HIV treatment for people newly diagnosed with HIV.”

A new drug application (NDA) to the US FDA is planned for this single tablet regimen for October, using a priority review voucher. Other global regulatory submissions of dolutegravir and lamivudine as a single-tablet, two-drug regimen for HIV-1 therapy are anticipated in the coming months. 

Notes to editors

GEMINI 1 & 2 study design

The GEMINI studies are part of ViiV Healthcare’s innovative clinical trial programme, which seeks to increase the body of evidence supporting the use of two-drug regimens for the treatment of HIV, in order to ensure that no patient is taking more medication than they need. The GEMINI studies are ongoing for 148 weeks.

GEMINI 1 (204861) and GEMINI 2 (205543) are duplicate, phase III, randomised, double-blind, multicentre, parallel group, non-inferiority studies. These studies evaluate a two-drug regimen of dolutegravir and lamivudine compared with a three-drug, first-line regimen of DTG + TDF/FTC in HIV-1 infected, antiretroviral therapy (ART)-naïve adult participants with baseline HIV-1 viral loads up to 500,000 copies per mL. The studies are designed to demonstrate the non-inferior efficacy, safety, and tolerability of once-daily dolutegravir and lamivudine compared to once-daily dolutegravir and the fixed-dose combination of TDF/FDC at 48 weeks in HIV-1-infected, ART-naïve participants.  For more information please search for NCT02831673 (GEMINI 1) or NCT02831764 (GEMINI 2) on www.clinicaltrials.gov

U.S INDICATIONS AND IMPORTANT SAFETY INFORMATION

About Tivicay® (dolutegravir)

Dolutegravir (Tivicay) is an integrase strand transfer inhibitor (INSTI) for use in combination with other antiretroviral agents for the treatment of HIV. Integrase inhibitors block HIV replication by preventing the viral DNA from integrating into the genetic material of human immune cells (T-cells). This step is essential in the HIV replication cycle and is also responsible for establishing chronic infection. Tivicay is approved in over 100 countries across North America, Europe, Asia, Australia, Africa and Latin America.

TIVICAY (dolutegravir) 50 mg tablets

Professional Indication(s) and Important Safety Information

U.S. Indications and Usage

TIVICAY is a human immunodeficiency virus type 1 (HIV-1) integrase strand transfer inhibitor (INSTI) indicated in combination with:

  • other antiretroviral agents for the treatment of HIV-1 infection in adults and pediatric patients weighing at least 30 kg
  • rilpivirine as a complete regimen for the treatment of HIV-1 infection in adults to replace the current antiretroviral regimen in those who are virologically suppressed (HIV-1 RNA < 50 copies per mL) on a stable antiretroviral regimen for ≥6 months with no history of treatment failure or known substitutions associated with resistance to either antiretroviral agent.

Important safety information: Tivicay (dolutegravir)

The following ISI is based on the Highlights section of the Prescribing Information for Tivicay.  Please consult the full Prescribing Information for all the labelled safety information for Tivicay.

Contraindications

  • Previous hypersensitivity reaction to dolutegravir.
  • Coadministration with dofetilide.

Warnings and precautions

  • Hypersensitivity reactions characterized by rash, constitutional findings, and sometimes organ dysfunction, including liver injury, have been reported. Discontinue TIVICAY and other suspect agents immediately if signs or symptoms of hypersensitivity reactions develop, as a delay in stopping treatment may result in a life-threatening reaction.
  • Hepatotoxicity has been reported in patients receiving dolutegravir-containing regimens. Patients with underlying hepatitis B or C may be at increased risk for worsening or development of transaminase elevations. Monitoring for hepatoxicity is recommended.
  • Embryo-fetal toxicity may occur when used at the time of conception and in early pregnancy. Avoid use of TIVICAY at the time of conception through the first trimester of pregnancy due to the risk of neural tube defects. Advise adolescents and adults of childbearing potential to use effective contraception.
  • Immune reconstitution syndrome has been reported in patients treated with combination antiretroviral therapy.

Adverse reactions

The most common adverse reactions of moderate to severe intensity and incidence at least 2% (in those receiving TIVICAY in any one adult trial) are insomnia, fatigue, and headache.

Drug interactions

  • Refer to the full prescribing information for important drug interactions with TIVICAY.
  • Drugs that are metabolic inducers may decrease the plasma concentrations of dolutegravir.
  • TIVICAY should be taken 2 hours before or 6 hours after taking cation-containing antacids or laxatives, sucralfate, oral supplements containing iron or calcium, or buffered medications. Alternatively, TIVICAY and supplements containing calcium or iron can be taken together with food.

Use in specific populations

  • Pregnancy: Avoid use of TIVICAY at the time of conception through the first trimester due to the risk of neural tube defects.
  • Lactation: Breastfeeding is not recommended.
  • Females and males of reproductive potential: Pregnancy testing and contraception are recommended in adolescents and adults of childbearing potential.

Full US prescribing information including is available at:
https://www.gsksource.com/pharma/content/dam/GlaxoSmithKline/US/en/Prescribing_Information/Tivicay/pdf/TIVICAY-PI-PIL.PDF

For the EU Summary of Product Characteristics, please visit:
 https://www.medicines.org.uk/emc/medicine/28545

About Epivir® (lamivudine)

Lamivudine is a nucleoside analogue used in combination with other antiretroviral agents for the treatment of HIV infection. Lamivudine is available in branded (Epivir) and generic forms. Trademarks are owned by or licensed to the ViiV Healthcare group of companies.

EPIVIR 300mg TABLETS

Professional Indication(s) and Important Safety Information

U.S. Indications and Usage

EPIVIR is a nucleoside analogue reverse transcriptase inhibitor indicated in combination with other antiretroviral agents for the treatment of HIV-1 infection.  Limitations of Use: The dosage of this product is for HIV-1 and not HBV.
Important safety information (ISI): Epivir (lamivudine) tablets
The following ISI is based on the Highlights section of the Prescribing Information for Epivir.  Please consult the full Prescribing Information for all the labelled safety information for Epivir.

Warning: Exacerbations of Hepatitis B, and different formulations of Epivir

See full prescribing information for complete boxed warning.

  • Severe acute exacerbations of hepatitis B have been reported in patients who are co-infected with hepatitis B virus (HBV) and human immunodeficiency virus (HIV-1) and have discontinued EPIVIR. Monitor hepatic function closely in these patients and, if appropriate, initiate anti-hepatitis B treatment.
  • Patients with HIV-1 infection should receive only dosage forms of EPIVIR appropriate for treatment of HIV-1.

Contraindications

  • EPIVIR is contraindicated in patients with previous hypersensitivity reaction to lamivudine.
    Warnings and precautions
  • Co-infected HIV-1/HBV Patients: Emergence of lamivudine-resistant HBV variants associated with lamivudine-containing antiretroviral regimens has been reported.
  • Lactic acidosis and severe hepatomegaly with steatosis, including fatal cases, have been reported with the use of nucleoside analogues.
  • Hepatic decompensation, some fatal, has occurred in HIV-1/HCV co-infected patients receiving interferon and ribavirin-based regimens. Monitor for treatment-associated toxicities. Discontinue EPIVIR as medically appropriate and consider dose reduction or discontinuation of interferon alfa, ribavirin, or both.
  • Pancreatitis: Use with caution in pediatric patients with a history of pancreatitis or other significant risk factors for pancreatitis. Discontinue treatment as clinically appropriate. (5.4)
  • Immune reconstitution syndrome has been reported in patients treated with combination antiretroviral therapy.
  • Lower virologic suppression rates and increased risk of viral resistance were observed in pediatric subjects who received EPIVIR oral solution concomitantly with other antiretroviral oral solutions compared with those who received tablets. An all-tablet regimen should be used when possible.

Adverse reactions

  • The most common reported adverse reactions (incidence greater than or equal to 15%) in adults were headache, nausea, malaise and fatigue, nasal signs and symptoms, diarrhea, and cough.
  • The most common reported adverse reactions (incidence greater than or equal to 15%) in pediatric subjects were fever and cough.

Drug interactions

  • Sorbitol: Coadministration of lamivudine and sorbitol may decrease lamivudine concentrations; when possible, avoid chronic coadministration.

Use in specific populations 
Lactation: Women infected with HIV should be instructed not to breastfeed due to potential for HIV transmission.

Full US prescribing information including is available at:
https://www.gsksource.com/pharma/content/dam/GlaxoSmithKline/US/en/Prescribing_Information/Epivir/pdf/EPIVIR-PI-PIL.PDF

For the EU Summary of Product Characteristics, please visit:
https://www.medicines.org.uk/emc/product/943

About ViiV Healthcare

ViiV Healthcare is a global specialist HIV company established in November 2009 by GlaxoSmithKline (LSE: GSK) and Pfizer (NYSE: PFE) dedicated to delivering advances in treatment and care for people living with HIV and for people who are at risk of becoming infected with HIV. Shionogi joined as a shareholder in October 2012. The company’s aim is to take a deeper and broader interest in HIV/AIDS than any company has done before and take a new approach to deliver effective and innovative medicines for HIV treatment and prevention, as well as support communities affected by HIV.
For more information on the company, its management, portfolio, pipeline, and commitment, please visit www.viivhealthcare.com.

Cautionary statement regarding forward-looking statements

ViiV Healthcare Limited, the global specialist HIV company, is majority owned by GlaxoSmithKline plc, with Pfizer Inc. and Shionogi Limited. GSK cautions investors that any forward-looking statements or projections made by GSK, including those made in this announcement, are subject to risks and uncertainties that may cause actual results to differ materially from those projected. Such factors include, but are not limited to, those described under Item 3.D 'Principal risks and uncertainties' in the company's Annual Report on Form 20-F for 2017.

About GSK

GSK – one of the world’s leading research-based pharmaceutical and healthcare companies – is committed to improving the quality of human life by enabling people to do more, feel better and live longer. For further information please visit www.gsk.com.

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