ViiV Healthcare receives positive CHMP opinion for long-acting regimen for the treatment of HIV

  • ViiV Healthcare’s Vocabria (cabotegravir injection) used in combination with Janssen Pharmaceutical Companies of Johnson & Johnson’s Rekambys (rilpivirine injection) reduces treatment dosing days from 365 to 12 or 6 per year
  • Long-acting regimen is based on co-administration of cabotegravir and rilpivirine injections once-monthly or once every 2-months to treat HIV-1
  • Vocabria (cabotegravir) tablets for use as an oral lead-in therapy with Edurant (rilpivirine tablets) prior to starting the long-acting regimen also receives positive CHMP opinion

LONDON, UK I October 16, 2020 I ViiV Healthcare, the global specialist HIV company majority owned by GSK, with Pfizer Inc. and Shionogi Limited as shareholders, today announced that the Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) has issued a positive opinion recommending marketing authorisation for Vocabria (cabotegravir injection and tablets) in combination with Rekambys (rilpivirine injection) and Edurant (rilpivirine tablets), for the treatment of Human Immunodeficiency Virus type 1 (HIV-1) infection in adults who are virologically suppressed (HIV-1 RNA less than 50 copies/mL) on a stable antiretroviral regimen without present or past evidence of viral resistance to, and no prior virological failure with agents of the non-nucleoside reverse transcriptase inhibitor (NNRTI) and integrase inhibitor (INI) class.1

Deborah Waterhouse, CEO, ViiV Healthcare, said “Today’s positive CHMP opinion marks an important step in providing a new option that changes the treatment experience for people living with HIV across Europe. Vocabria injection used in combination with Rekambys has the potential to ease the day-to-day burden of HIV by offering significantly less frequent dosing from 365 days with oral regimens to 12 or 6 treatments per year. Through our innovative R&D, we are now one step closer to offering an HIV medicine in Europe with a novel route of administration and dosing schedule compared to other therapies. We’re proud to be providing different treatment options that meet the diverse needs of the HIV community.”

If approved, cabotegravir injection used in combination with rilpivirine injection will be the first complete long-acting regimen, dosed once-monthly or once every 2-months, for virologically suppressed people living with HIV-1 across Europe. This treatment will offer people living with HIV an option with significantly less frequent dosing and comparable efficacy to daily oral regimens. Cabotegravir and rilpivirine injections are administered as two intramuscular (IM) injections in the buttocks during the same visit at a specialist clinic by a healthcare professional. Prior to the initiation of the injections, cabotegravir and rilpivirine oral tablets are taken for approximately one month (at least 28 days) to assess tolerability to the medicines.

The Marketing Authorisation Application (MAA) for cabotegravir injection and tablets is based on the pivotal phase III ATLAS (Antiretroviral Therapy as Long-Acting Suppression), FLAIR (First Long-Acting Injectable Regimen) and ATLAS-2M studies.

The ATLAS and FLAIR studies included more than 1,100 participants from 16 countries.2,3 The studies demonstrated that cabotegravir and rilpivirine when injected intramuscularly in the buttocks, once-monthly, was as effective as continuing their daily, oral, antiretroviral regimens in maintaining viral suppression throughout the 48-week study period. The long-acting regimen was preferred by approximately 9 out of 10 patients who switched to cabotegravir and rilpivirine long-acting in the ATLAS and FLAIR studies over their previous daily oral therapy.*

In both studies, the most common adverse reactions (Grades 1 to 4) observed in ≥ 2% of participants receiving cabotegravir and rilpivirine were injection site reactions, pyrexia, fatigue, headache, musculoskeletal pain, nausea, sleep disorders, dizziness, rash, and diarrhoea. Over the 48-week study period, a total of 4% of participants discontinued cabotegravir and rilpivirine due to adverse events.4

48-week data from the pivotal ATLAS-2M study were also included in the MAA to support the use of cabotegravir and rilpivirine once every 2-months. Results from the study showed the antiviral activity and safety of long-acting cabotegravir and rilpivirine injections administered once every 2-months was non-inferior to long-acting cabotegravir and rilpivirine injections administered once-monthly in virologically suppressed adults living with HIV-1 infection over a 48-week period. In the ATLAS-2M study rates of serious adverse events (SAEs) (27/522 [5.2%]) and withdrawals due to adverse events (AEs) (12/522 [2.3%]) at 48 weeks were low and were similar to those experienced in the one month arm (SAEs: 19/523 [3.6%], withdrawals due to AEs 13/523 [2.5%]).5

The Patient Reported Outcomes data from the ATLAS-2M study showed high levels of treatment satisfaction and acceptance,** with 98% (n=300/306) of participants who were randomised to receive an oral lead-in followed by once every 2-months dosing preferring treatment once every 2-months compared to daily oral treatment (oral lead-in). Results indicate that administration frequency and convenience were the most common reasons for preferring treatment every 2-months.

ViiV Healthcare’s mission is to ensure that no one living with HIV is left behind. As the only pharmaceutical company solely focused on HIV and AIDS, ViiV Healthcare is working to deliver a broad range of treatments that meet the needs of a wide variety of people living with HIV (PLHIV). The company invest in R&D programmes that continuously push the boundaries to provide a portfolio of innovative treatment options that will help make a difference to the lives of PLHIV. Cabotegravir and rilpivirine has been co-developed as part of a collaboration with Janssen Pharmaceutical Companies of Johnson & Johnson and builds on ViiV Healthcare’s industry leading portfolio, centred on delivering innovative medicines for the HIV community.

The CHMP positive opinion is one of the final steps before marketing authorisation is granted by the European Commission, which has the authority to approve medicines for use throughout the European Union. If approved, cabotegravir injection and tablets will be marketed as Vocabria to be used with Janssen’s Rekambys (rilpivirine injection) and Edurant (rilpivirine tablets).

Once-monthly dosing of cabotegravir and rilpivirine has been approved by Health Canada as a co-pack with two injectable medicines under the brand name Cabenuva, for the treatment of HIV-1 infection in adults who are virologically stable and suppressed. Vocabria (cabotegravir) oral tablets have also been approved by Health Canada. In July, ViiV Healthcare resubmitted the New Drug Application (NDA) for once-monthly dosing of cabotegravir and rilpivirine to the US Food and Drug Administration (FDA), and further regulatory applications have been submitted and are being reviewed by other regulatory bodies worldwide.

-END-

Notes to editor

About cabotegravir

Cabotegravir is an INI developed by ViiV Healthcare for the treatment of HIV-1 in virologically suppressed adults. It is being evaluated in combination with injectable rilpivirine as a long-acting formulation.

INSTIs, like cabotegravir, inhibit 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.

About rilpivirine and rilpivirine long-acting

The oral formulation of rilpivirine is also approved for the treatment of HIV-1 infection in combination with other antiretroviral agents in antiretroviral treatment-naïve patients 12 years of age and older and weighing at least 35 kg with a viral load ≤ 100,000 HIV RNA copies/mL.

Rilpivirine long-acting (brand name Rekambys) is a prolonged-release suspension for IM injection being developed by Janssen Sciences Ireland UC, one of the Janssen Pharmaceutical Companies of Johnson & Johnson.

Rilpivirine is an NNRTI that works by interfering with an enzyme called reverse transcriptase, which in turn stops the virus from multiplying.

About GSK

GSK is a science-led global healthcare company with a special purpose: to help people do more, feel better, live longer. For further information please visit www.gsk.com/about-us.

1 European Medicines Agency. Vocabria Summary of Opinion. Available at https://www.ema.europa.eu/en/news/meeting-highlights-committee-medicinal-products-human-use-chmp-12-15-october-2020. Accessed September 2020.

2 Swindells S, Andrade-Villanueva J-F, Richmond G, et al. Long-acting cabotegravir and rilpivirine for maintenance of HIV-1 suppression. N Engl J Med. DOI: 10.1056/ NEJMoa1904398.

3 Orkin C, Arasteh K, Hernandez-Mora MG, et al. Long-acting cabotegravir and rilpivirine after oral induction for HIV-1 infection. N Engl J Med. DOI: 10.1056/ NEJMoa1909512.

4 Overton ET, Orkin C, Swindell S, et al. Monthly long-acting cabotegravir and rilpivirine is non-inferior to oral ART as maintenance therapy for HIV-1 infection: Week 48 pooled analysis from the phase 3 ATLAS and FLAIR studies. Presented at IAS 2019.

5 Overton ET et. al. Cabotegravir and rilpivirine every 2 months is non inferior to monthly: ATLAS-2M study. Presented at CROI 2020: Available at: https://www.croiconference.org/abstract/cabotegravir-rilpivirine-every-2-months-is-noninferior-to-monthly-atlas-2m-study/ (Last Accessed August 2020)

*

  • The results are descriptive in nature and should not be used to infer clinical significance. Results are descriptive and reflect preferences shown by those entering into clinical trials of long-acting therapy. They do not imply that PLHIV in general would prefer long-acting therapy
  • In the pooled exploratory analysis in the ITT-E population: patients responded to the preference question at Week 48 (59 patients did not). 88% (523/591) preferred cabotegravir and rilpivirine long-acting vs. 2% (9/591) who preferred their previous daily oral therapy.
  • Patient preference data is collected from clinical trial participants randomised to long-acting arm, completing a single-item question assessing their preference for cabotegravir and rilpivirine long acting compared to daily oral ART medication they were receiving prior to entry in the ATLAS and FLAIR studies

** At Week 48, 98% of 306 patients with no prior exposure to cabotegravir or rilpivirine responded to the questionnaire preferred every 2-month injections vs 1% of 306 patients who preferred the study daily oral lead-in (1% reported no preference).

SOURCE: GlaxoSmithKline

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