Sunday, 22 September 2019

Janssen reports positive Ph3 results of long-acting injectable HIV treatment regimen

22 August 2019 | News

ATLAS-2M study met its primary objective of demonstrating similar efficacy of long-acting rilpivirine and cabotegravir administered every two months compared to monthly administration

Image Courtesy: gaynation

Image Courtesy: gaynation

The Janssen Pharmaceutical Companies of Johnson & Johnson (Janssen) have announced positive top-line results from the Phase 3 ATLAS-2M study of the investigational, long-acting two-drug injectable regimen of its rilpivirine and ViiV Healthcare's cabotegravir for the treatment of HIV. The study achieved its primary objective, showing that administering the long-acting (LA) injectable regimen of Janssen's rilpivirine and ViiV's cabotegravir every two months was as effective in maintaining viral suppression throughout the 48-week study period as monthly dosing in adults living with HIV-1 infection, whose viral load is suppressed and not resistant to rilpivirine or cabotegravir.

Rilpivirine long-acting is an investigational, prolonged-release suspension for intramuscular injection being developed by Janssen Sciences Ireland UC and is not approved by regulatory authorities anywhere in the world. 

Cabotegravir is an investigational integrase inhibitor (INI) and is not approved by regulatory authorities anywhere in the world. Cabotegravir is being developed by ViiV Healthcare for the treatment and prevention of HIV and is currently being evaluated as a long-acting, prolonged-release formulation for intramuscular injection and also as a once-daily oral tablet for short-term use prior to long-acting injection.

Non-inferiority was measured by the proportion of participants with plasma HIV-RNA ≥ 50 copies per millilitre (c/mL) using the FDA Snapshot algorithm at Week 48 (Intent-to-Treat Exposed [ITTE] population). Overall safety, virologic response, and drug resistance results for the LA regimen were consistent with results from the Phase 3 ATLAS study.

The ATLAS-2M study is a Phase 3, randomized, open-label, active-controlled, multicenter, parallel-group, a non-inferiority study designed to assess the antiviral activity and safety of the LA regimen administered every two months compared to the LA regimen administered monthly over a 48-week treatment period in 1,045 adults living with HIV-1. 

The study is being conducted at research centres in AustraliaArgentinaCanadaFranceGermanyItalyMexicoRussiaSouth AfricaSouth KoreaSpainSweden and the United States.

 

Detailed results from the ATLAS-2M study will be presented at an upcoming scientific meeting.

The LA regimen is being co-developed as a collaboration with ViiV Healthcare and has been submitted to regulatory authorities in the United StatesCanada and Europe. A Priority Review Designation for the once-monthly injectable regimen was granted by the US FDA.

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