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LONDON--(BUSINESS WIRE)--Oct 24, 2022--
ViiV Healthcare, the global specialist HIV company majority-owned by GSK, with Pfizer and Shionogi as shareholders, today presented findings from the CARISEL study (Cabotegravir And Rilpivirine Implementation Study in European Locations). The study, which evaluated the perspectives of people living with HIV and healthcare teams through surveys and interviews in addition to evaluating clinical effectiveness, demonstrated that ViiV Healthcare’s Vocabria (cabotegravir injection) and Janssen Pharmaceutical Companies of Johnson and Johnson’s Rekambys (rilpivirine long-acting injectable suspension) was successfully implemented across a range of European healthcare settings. 1 The 12-month findings from the implementation study of the first and only complete long-acting regimen for HIV treatment were presented today at the 30 th HIV Glasgow Conference being held in Glasgow, Scotland and virtually, from 23 – 26 October.
At 12 months, primary findings from the CARISEL study demonstrated that despite most European clinics having no prior long-acting cabotegravir and rilpivirine experience, there was high acceptability, appropriateness, and feasibility among clinic staff towards its implementation (mean scores ≥ 3.8 on a 5-point Likert scale) as well as the long-acting regimen itself (mean scores ≥ 4.2). Of 70 staff participants in the study, 56% reported optimal implementation within one to three months, with 68% of staff participants believing the time spent in clinic was “very” or “extremely acceptable”. 1
Across the duration of the CARISEL study, people living with HIV also found that long-acting cabotegravir and rilpivirine was highly acceptable, appropriate, and feasible to implement (mean scores ≥ 4.47 on a 5-point Likert scale). 1 Long-acting cabotegravir and rilpivirine demonstrated high clinical effectiveness and a low rate of viral failure throughout the duration of the trial.
At Month 12, 373 of 437 (87%) of people living with HIV in the trial maintained viral suppression (HIV-1 RNA <50 copies/mL), and the proportion of participants with HIV-1 RNA ≥50 copies/mL was 0.7% (FDA Snapshot). 1
Berend J. van Welzen, M.D., CARISEL Investigator, UMC Utrecht, The Netherlands said: “The findings of the CARISEL study show that long-acting cabotegravir and rilpivirine was not only a highly effective treatment option for people living with HIV with a low rate of viral failure, but that the regimen was also highly acceptable, appropriate, and feasible to implement across a range of European countries and clinics. As healthcare providers and clinics look for real world evidence on the successful implementation of this innovative treatment, the findings of CARISEL provide continued and strong evidence for its applicability across diverse healthcare settings.”
Perspectives from healthcare providers and clinical staff from the CARISEL study 2
During the CARISEL study, quantitative and qualitative perceptions about the implementation of long-acting cabotegravir and rilpivirine were collected from staff study participants at 18 participating clinics at Month 1 (70 respondents), Month 5 (68 respondents), and Month 12 (62 respondents). At Month 12, quantitative data showed most study staff participants (76%) felt “very” or “extremely positive” about implementing long-acting cabotegravir and rilpivirine, with staff participants believing that the regimen was appropriate for a wide variety of patients including, but not limited to, those who are tired of daily pills, those concerned with disclosure of HIV status, and those who had experienced stress regarding daily pill compliance.
Staff participants were surveyed on their top reported barriers to the implementation of long-acting cabotegravir and rilpivirine following the first month of the CARISEL study. At the conclusion of the study, all top five perceived barriers by staff study participants that were initially reported at Month 1 had markedly decreased by Month 12, including risk of resistance for non-adherent patients (M1 35%, M12 16%), having enough injection administrators on a daily basis (M1 35%, M12 24%), patient injection-related pain/soreness (M1 33%, M12 16%), scheduling around patient holidays (M1 32%, M12 8%), and patients being non-virologically suppressed due to missed dose (M1 30%, M12 15%).
At the conclusion of the study, staff study participants identified several tips for optimising implementation success, including:
Perspectives from people living with HIV from the CARISEL study 3
During the study, 437 virologically suppressed adults living with HIV were enrolled at 18 participating clinical sites, with 379 participants receiving long-acting cabotegravir and rilpivirine and completing questionnaires on the regimen’s acceptability, appropriateness, and feasibility through Month 12. People living with HIV also answered questions about facilitators and barriers to treatment, including stigma, pain/discomfort, and treatment preference.
Detailed findings from people living with HIV who participated in the study showed that at Month 12:
Although 56% of patients noted that injection pain or soreness was the most difficult part of treatment, the mean pain score during the most recent injection at Month 12 was 3 on a 0 (“no pain”) to 10 (“extreme pain”) scale.
Harmony P. Garges, M.D., MPH, Chief Medical Officer at ViiV Healthcare said: “The need for long-acting cabotegravir and rilpivirine is clear, with 81% of people living with HIV in the study agreeing that the every-two-month regimen was less stigmatising than oral medication and 99% preferring it to daily oral therapy. In addition to developing paradigm-shifting treatment regimens, it’s essential that we also study how these medicines are used and implemented in the real world through studies like CARISEL to ensure that all are able to benefit from this innovation. The widespread acceptability and feasibility of this complete long-acting regimen across European countries and healthcare practices reinforces its potential to help address the evolving needs of people living with HIV.”
ViiV Healthcare’s cabotegravir in combination with Janssen Pharmaceutical Companies of Johnson & Johnson’s rilpivirine was co-developed as part of a collaboration with Janssen and builds on ViiV Healthcare’s industry-leading portfolio that is centred on delivering innovative medicines for the HIV community. Additional findings and analyses from the CARISEL study, which include the potential administration of Vocabria and Rekambys outside of the clinic environment, will be presented at future congresses.
About CARISEL (NCT04399551)
CARISEL is a Phase IIIb, one-year, multicentre implementation-effectiveness trial (open-label single arm switch study for patient study participants), examining different implementation strategies for long-acting cabotegravir and rilpivirine in a broad range of clinical settings across European countries to identify strategies which best meet the needs in each local context. The study, which involved 437 patient study participants and 70 healthcare team participants from 18 clinics across Spain, France, Netherlands, Belgium, and Germany, assessed the effect of various implementation strategies on the acceptability, appropriateness, and feasibility of delivering the new long-acting regimen of cabotegravir and rilpivirine to appropriate people living with HIV.
About Vocabria (cabotegravir injection) and Rekambys (rilpivirine injection)
Cabotegravir injection used in combination with rilpivirine injection is a complete long-acting regimen dosed monthly or every 2-months, for the treatment of HIV-1 in adults who are virologically suppressed (HIV-1 RNA <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 NNRTI and INI class. Cabotegravir and rilpivirine injections are administered as two intramuscular (IM) injections in the buttocks by a healthcare professional at the same appointment.
The complete regimen combines the integrase strand transfer inhibitor (INSTI) cabotegravir, developed by ViiV Healthcare, with rilpivirine, a non-nucleoside reverse transcriptase inhibitor (NNRTI) developed by Janssen Sciences Ireland UC, one of the Janssen Pharmaceutical Companies of Johnson & Johnson.
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. Rilpivirine is an NNRTI that works by interfering with an enzyme called reverse transcriptase, which in turn stops the virus from multiplying.
Trademarks are owned by or licensed to the ViiV Healthcare group of companies.
Important Safety Information
The following Important Safety Information is based on the Summary of Product Characteristics for Vocabria. Please consult the full Summary of Product Characteristics for all the safety information.
Vocabria (cabotegravir) injection is indicated, in combination with rilpivirine injection, for the treatment of Human Immunodeficiency Virus type 1 (HIV-1) infection in adults who are virologically suppressed (HIV-1 RNA <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 NNRTI and INI class
Vocabria injection is indicated for the treatment of HIV-1 in combination with rilpivirine injection, therefore, the prescribing information for rilpivirine injection should be consulted for recommended dosing.
Vocabria tablets are indicated in combination with rilpivirine tablets for the short-term treatment of Human Immunodeficiency Virus type 1 (HIV-1) infection in adults who are virologically suppressed (HIV-1 RNA <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 NNRTI and INI class for:
Vocabria tablets are only indicated for treatment of HIV-1 in combination with rilpivirine tablets, therefore, the prescribing information for Edurant tablets should also be consulted for recommended dosing.
Prior to starting Vocabria injection, healthcare professionals should have carefully selected patients who agree to the required injection schedule and counsel patients about the importance of adherence to scheduled dosing visits to help maintain viral suppression and reduce the risk of viral rebound and potential development of resistance with missed doses.
Following discontinuation of Vocabria and rilpivirine injection, it is essential to adopt an alternative, fully suppressive antiretroviral regimen no later than one month after the final injection of Vocabria when dosed monthly and no later than two months after the final injection of Vocabria when dosed every 2 months.
Elderly (≥65 years of age): No dose adjustment is required in elderly patients. There are limited data available on the use of cabotegravir in patients aged 65 years and over.
Paediatrics (<18 years of age): The safety and efficacy of Vocabria in children and adolescents aged under 18 years have not been established. No data are available.
Contraindications
Hypersensitivity to cabotegravir or rilpivirine or to any of the excipients.
Concomitant use with: rifampicin, rifapentine, carbamazepine, oxcarbazepine, phenytoin or phenobarbital
Special Warnings and Precautions for Use
Vocabria injection
Risk of resistance following treatment discontinuation
To minimise the risk of developing viral resistance it is essential to adopt an alternative, fully suppressive antiretroviral regimen no later than one month after the final injection of Vocabria when dosed monthly and no later than two months after the final injection of Vocabria when dosed every 2 months.
Residual concentrations of cabotegravir may remain in the systemic circulation of patients for prolonged periods (up to 12 months or longer), therefore, physicians should take the prolonged release characteristics of Vocabria injection into consideration when the medicinal product is discontinued.
If virologic failure is suspected, an alternative regimen should be adopted as soon as possible.
Baseline factors associated with virological failure
Before starting the regimen, it should be taken into account that multivariable analyses indicate that a combination of at least 2 of the following baseline factors may be associated with an increased risk of virological failure: archived rilpivirine resistance mutations, HIV-1 subtype A6/A1, or BMI ≥30 kg/m2. In patients with an incomplete or uncertain treatment history without pre-treatment resistance analyses, caution is warranted in the presence of either BMI ≥30 kg/m2 or HIV-1 A6/A1 subtype.
Hypersensitivity reactions
Hypersensitivity reactions have been reported in association with other integrase inhibitors. These reactions were characterised by rash, constitutional findings and sometimes organ dysfunction, including liver injury. While no such reactions have been observed to date in association with Vocabria, physicians should remain vigilant and should discontinue Vocabria and other suspected medicinal products immediately, should signs or symptoms of hypersensitivity develop (including, but not limited to, severe rash, or rash accompanied by fever, general malaise, fatigue, muscle or joint aches, blisters, oral lesions, conjunctivitis, facial oedema, hepatitis, eosinophilia or angioedema). Clinical status, including liver aminotransferases should be monitored and appropriate therapy initiated. Administration of oral lead-in is recommended to help identify patients who may be at risk of a hypersensitivity reaction.
Hepatotoxicity
Hepatotoxicity has been reported in a limited number of patients receiving Vocabria with or without known pre-existing hepatic disease.
Monitoring of liver chemistries is recommended and treatment with Vocabria should be discontinued if hepatotoxicity is suspected.
HBV/HCV co-infection
Patients with hepatitis B co-infection were excluded from studies with Vocabria. It is not recommended to initiate Vocabria in patients with hepatitis B co-infection. Physicians should refer to current treatment guidelines for the management of HIV infection in patients co-infected with hepatitis B virus.
Limited data is available in patients with hepatitis C co-infection. Monitoring of liver function is recommended in patients with hepatitis C co-infection.
Interactions with medicinal products
Caution should be given to prescribing Vocabria injection and tablets with medicinal products that may reduce its exposure.
Concomitant use of Vocabria injection with rifabutin is not recommended.
Polyvalent cation containing antacids are recommended to be taken at least 2 hours before and 4 hours after taking Vocabria tablets.
Effect of other medicinal products on the pharmacokinetics of cabotegravir
Cabotegravir is primarily metabolised by uridine diphosphate glucuronosyl transferase (UGT) 1A1 and to a lesser extent by UGT1A9. Medicinal products which are strong inducers of UGT1A1 or UGT1A9 are expected to decrease cabotegravir plasma concentrations leading to lack of efficacy.
Undesirable effects
Summary of the safety profile
The most frequently reported adverse reactions (ARs) from monthly dosing studies were injection site reactions (up to 84%), headache (up to 12%) and pyrexia* (10%).
The most frequently reported ARs from ATLAS-2M every 2-month dosing were injection site reactions (76%), headache (7%) and pyrexia* (7%).
*Pyrexia includes the following: feeling hot, body temperature increased.
Description of selected adverse reactions
Local injection site reactions (ISRs)
Up to 1% of subjects discontinued treatment with Vocabria plus rilpivirine because of ISRs. When dosing monthly, up to 84% of subjects reported injection site reactions; out of 30393 injections, 6815 ISRs were reported. When dosing every 2 months, 76% of patients reported injection site reactions; out of 8470 injections, 2507 ISRs were reported.
The severity of reactions was generally mild (Grade 1, 70%-75% of subjects) or moderate (Grade 2, 27%-36% of subjects). 3-4% of subjects experienced severe (Grade 3) ISRs. The median duration of overall ISR events was 3 days. The percentage of subjects reporting ISRs decreased over time.
Weight increased
At the Week 48 time point, subjects in studies FLAIR and ATLAS, who received Vocabria plus rilpivirine gained a median of 1.5 kg in weight subjects continuing on their current antiretroviral therapy (CAR) gained a median of 1.0 kg (pooled analysis). In the individual studies FLAIR and ATLAS, the median weight gains in the Vocabria plus rilpivirine arms were 1.3 kg and 1.8 kg respectively, compared to 1.5 kg and 0.3 kg in the CAR arms.
At the 48 week time point, in ATLAS-2M the median weight gain in both the monthly and 2-monthly CAB+RPV dosing arms was 1.0 kg.
Pregnancy
There are a limited amount of data from the use of cabotegravir in pregnant women. The effect of Vocabria on human pregnancy is unknown.
Cabotegravir was not teratogenic when studied in pregnant rats and rabbits but, exposures higher than the therapeutic dose showed reproductive toxicity in animals. The relevance to human pregnancy is unknown.
Vocabria injection is not recommended during pregnancy unless the expected benefit justifies the potential risk to the foetus.
Cabotegravir has been detected in systemic circulation for up to 12 months or longer after an injection
Breast-feeding
It is expected that cabotegravir will be secreted into human milk based on animal data, although this has not been confirmed in humans. Cabotegravir may be present in human milk for up to 12 months or longer after the last cabotegravir injection.
It is recommended that HIV infected women do not breast-feed their infants under any circumstances in order to avoid transmission of HIV.
Rekambys (rilpivirine injection) ISI
The following Important Safety Information is based on the Summary of Product Characteristics for REKAMBYS (rilpivirine injection). Please consult the full Summary of Product Characteristics for all the safety information.
REKAMBYS is indicated, in combination with cabotegravir injection, for the treatment of human immunodeficiency virus type 1 (HIV‑1) infection in adults who are virologically suppressed (HIV-1 RNA < 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 NNRTI and INI class
REKAMBYS should always be co-administered with a cabotegravir injection. The prescribing information for cabotegravir injection should be consulted for recommended dosing.
REKAMBYS may be initiated with oral lead-in or without (direct to injection).
The healthcare professional and patient may decide to use rilpivirine tablets as an oral lead-in prior to the initiation of REKAMBYS injections to assess tolerability or proceed directly to REKAMBYS therapy.
Oral lead-in
When used for oral lead-in prior to the initiation of REKAMBYS, rilpivirine oral tablets, together with cabotegravir oral tablets, should be taken for approximately 1 month (at least 28 days) to assess tolerability to rilpivirine and cabotegravir. One rilpivirine 25mg tablet should be taken with a meal with one cabotegravir 30mg tablet once daily.
Prior to the initiation of REKAMBYS, rilpivirine oral tablets, together with cabotegravir oral tablets, should be taken for approximately 1 month (at least 28 days) to assess tolerability to rilpivirine and cabotegravir. One rilpivirine 25‑mg tablet should be taken with a meal with one cabotegravir 30‑mg tablet once daily.
Prior to starting REKAMBYS, the healthcare professional should carefully select patients who agree to the required injection schedule and counsel patients about the importance of adherence to scheduled dosing visits to help maintain viral suppression and reduce the risk of viral rebound and potential development of resistance associated with missed doses.
Following discontinuation of REKAMBYS in combination with cabotegravir injection, it is essential to adopt an alternative, fully suppressive antiretroviral regimen no later than one month after the last every 1 month injection of REKAMBYS or two months after the last every 2 months injection of REKAMBYS.
Elderly: There is limited information regarding the use of REKAMBYS in patients > 65 years of age. No dose adjustment of REKAMBYS is required in older patients.
Paediatric Patients: The safety and efficacy of REKAMBYS in children and adolescents aged < 18 years have not been established. No data are available.
Contraindications
Hypersensitivity to the active substance or to any of the excipients.
REKAMBYS must not be co‑administered with the following medicinal products, which may result in loss of therapeutic effect of REKAMBYS:
Special Warnings and Precautions for Use
Risk of resistance following treatment discontinuation
To minimise the risk of developing viral resistance it is essential to adopt an alternative, fully suppressive antiretroviral regimen no later than one month after the last every 1 month injection of REKAMBYS or two months after the last every 2 months injection of REKAMBYS.
If virologic failure is suspected, an alternative regimen should be adopted as soon as possible.
Long-acting properties of rilpivirine injection
Residual concentrations of rilpivirine may remain in the systemic circulation of patients for prolonged periods (up to 4 years in some patients) and should be considered upon discontinuation of REKAMBYS.
Baseline factors associated with virological failure
Before starting the regimen, it should be taken into account that multivariable analyses indicate that a combination of at least 2 of the following baseline factors may be associated with an increased risk of virological failure: archived rilpivirine resistance mutations, HIV-1 subtype A6/A1, or BMI ≥30 kg/m2. In patients with an incomplete or uncertain treatment history without pre-treatment resistance analyses, caution is warranted in the presence of BMI ≥30 kg/m2 and/or HIV‑1 subtype A6/A1.
Post-injection reactions
Partial intravenous administration may result in AEs due to temporarily high plasma concentrations. In clinical studies, serious post-injection reactions were reported within minutes after the injection of rilpivirine, including dyspnoea, agitation, abdominal cramping, flushing, sweating, oral numbness, and changes in blood pressure. These events were very rare and began to resolve within a few minutes after the injection.
Carefully follow the Instructions for Use when preparing and administering REKAMBYS to avoid accidental intravenous administration. Observe patients briefly (approximately 10 minutes) after the injection. If a patient experiences a post-injection reaction, monitor and treat as clinically indicated.
Cardiovascular
REKAMBYS should be used with caution when co‑administered with a medicinal product with a known risk of Torsade de Pointes. At supratherapeutic doses (75 and 300 mg once daily), oral rilpivirine has been associated with prolongation of the QTc interval of the electrocardiogram (ECG). Oral rilpivirine at the recommended dose of 25 mg once daily is not associated with a clinically relevant effect on QTc. Plasma rilpivirine concentrations after REKAMBYS injections are comparable to those during such oral rilpivirine therapy.
HBV/HCV co-infection
Patients with hepatitis B co-infection were excluded from studies with REKAMBYS. It is not recommended to initiate REKAMBYS in patients with hepatitis B co-infection. In patients co‑infected with hepatitis B receiving oral rilpivirine, the incidence of hepatic enzyme elevation was higher than in patients receiving oral rilpivirine who were not hepatitis B co‑infected. Physicians should refer to current treatment guidelines for the management of HIV infection in patients co-infected with hepatitis B virus.
Limited data is available in patients with hepatitis C co-infection. In patients co‑infected with hepatitis C receiving oral rilpivirine, the incidence of hepatic enzyme elevation was higher than in patients receiving oral rilpivirine who were not hepatitis C co‑infected. The pharmacokinetic exposure of oral and injectable rilpivirine in co‑infected patients was comparable to that in patients without hepatitis C co‑infection. Monitoring of liver function is recommended in patients with hepatitis C co-infection.
Interactions with other medicinal products
REKAMBYS should not be administered with other antiretroviral medicinal products, except for cabotegravir injection for the treatment of HIV-1 infection.
Pregnancy
There are limited data of REKAMBYS in pregnant women. REKAMBYS is not recommended during pregnancy unless the expected benefit justifies the potential risk. Lower exposures of oral rilpivirine were observed when rilpivirine 25 mg once daily was taken during pregnancy. In the Phase 3 studies with oral rilpivirine, lower rilpivirine exposure, similar to that seen during pregnancy, has been associated with an increased risk of virological failure, therefore viral load should be monitored closely. Alternatively, switching to another ART regimen could be considered.
Immune reactivation syndrome
In HIV-infected patients with severe immune deficiency at the time of institution of combination antiretroviral therapy (CART), an inflammatory reaction to asymptomatic or residual opportunistic pathogens may arise and cause serious clinical conditions, or aggravation of symptoms. Typically, such reactions have been observed within the first few weeks or months of initiation of CART. Relevant examples are cytomegalovirus retinitis, generalised and/or focal mycobacterial infections, and Pneumocystis jirovecii pneumonia. Any inflammatory symptoms should be evaluated and treatment instituted when necessary. Autoimmune disorders (such as Graves’ disease and autoimmune hepatitis) have also been reported to occur in the setting of immune reconstitution, however, the reported time to onset is more variable and these events can occur many months after initiation of treatment.
Transmission of HIV
While effective viral suppression with antiretroviral therapy has been proven to substantially reduce the risk of sexual transmission, a residual risk cannot be excluded. Precautions to prevent transmission should be taken in accordance with national guidelines.
Opportunistic infections
Patients should be advised that REKAMBYS or any other antiretroviral therapy does not cure HIV infection and that they may still develop opportunistic infections and other complications of HIV infection. Therefore, patients should remain under close clinical observation by physicians experienced in the treatment of these associated HIV diseases.
Excipients
This medicine contains less than 1 mmol sodium (23 mg) per injection, that is to say essentially ‘sodium-free’.
Undesirable effects
The most frequently reported ARs from every 1 month dosing studies were injection site reactions (up to 84%), headache (up to 12%) and pyrexia (10%).
The most frequently reported ARs from every 2 months dosing were injection site reactions (76%), headache (7%) and pyrexia (7%).
Tabulated list of adverse reactions is available in the full information leaflet.
Description of selected adverse reactions
Local Injection Site Reactions (ISRs)
Up to 1% of subjects discontinued treatment with rilpivirine and cabotegravir injections because of ISRs. When dosed every 1 month in ATLAS, FLAIR, and ATLAS-2M (Q4W arm), up to 84% of subjects reported injections site reactions; out of 30393 injections, 6815 ISRs were reported. When dosed every 2 months in ATLAS-2M (Q8W arm), 76% of subjects reported injection site reactions; out of 8470 injections, 2507 ISRs were reported.
Injection site reactions were generally mild (Grade 1, 70%-75% of subjects) or moderate (Grade 2, 27%-36% of subjects). 3-4% of subjects experienced severe (Grade 3) ISRs. The median duration of ISR events was 3 days. The percentage of subjects reporting ISRs decreased over time.
Weight increased
At the Week 48 time point, subjects in Phase 3 Studies FLAIR and ATLAS, who received rilpivirine plus cabotegravir gained a median of 1.5 kg in weight; subjects continuing on their current antiretroviral regimen (CAR) group gained a median of 1.0 kg (pooled analysis). In the individual studies FLAIR and ATLAS, the median weight gains in the rilpivirine plus cabotegravir arms were 1.3 kg and 1.8 kg respectively, compared to 1.5 kg and 0.3 kg in the CAR arms.
At the 48 week time point, in ATLAS-2M the median weight gain in both the monthly and every 2 months rilpivirine + cabotegravir dosing arms was 1.0 kg.
Changes in laboratory chemistry
Changes in laboratory chemistry Elevated transaminases (ALT/AST) were observed in subjects receiving rilpivirine plus cabotegravir during the clinical studies. These elevations were primarily attributed to acute viral hepatitis. A few subjects on oral rilpivirine plus oral cabotegravir treatment had transaminase elevations attributed to suspected drug-related hepatotoxicity; these changes were reversible upon discontinuation of treatment. Small, non-progressive increases in total bilirubin (without clinical jaundice) were observed with treatment with rilpivirine plus cabotegravir. These changes are not considered clinically relevant as they likely reflect competition between cabotegravir and unconjugated bilirubin for a common clearance pathway (UGT1A1). Elevated lipases were observed during clinical trials with rilpivirine plus cabotegravir. Grade 3 and 4 lipase increases occurred at a higher incidence with rilpivirine plus cabotegravir compared with CAR. These elevations were generally asymptomatic and did not lead to rilpivirine plus cabotegravir discontinuation. One case of fatal pancreatitis with Grade 4 lipase and confounding factors (including history of pancreatitis) has been reported in study ATLAS-2M for which the causality to the injection regimen could not be ruled out.
Pregnancy
The effect of REKAMBYS on human pregnancy is unknown. A moderate amount of data with oral rilpivirine in pregnant women (between 300-1000 pregnancy outcomes) indicate no malformative or foetal/neonatal toxicity of rilpivirine. A study of 19 pregnant women treated with oral rilpivirine in combination with a background regimen during the second and third trimesters, and postpartum, showed lower exposures of oral rilpivirine during pregnancy, therefore viral load should be monitored closely if REKAMBYS is used during pregnancy.
Animal studies do not indicate reproductive toxicity. REKAMBYS is not recommended during pregnancy unless the expected benefit justifies the potential risk.
An alternative oral regimen should be considered in line with current treatment guidelines. After discontinuation of REKAMBYS, rilpivirine may remain in systemic circulation for up to 4 years in some patients.
Breast-feeding
It is expected that rilpivirine will be secreted into human milk based on animal data, although this has not been confirmed in humans. Rilpivirine may be present in human milk for up to 4 years in some patients after discontinuation of REKAMBYS.
It is recommended that HIV infected women do not breast-feed their infants under any circumstances in order to avoid transmission of HIV.
About ViiV Healthcare
ViiV Healthcare is a global specialist HIV company established in November 2009 by GSK (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 shareholders in October 2012. The company’s aims are to take a deeper and broader interest in HIV and 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.
About GSK
GSK is a global biopharma company with a purpose to unite science, technology, and talent to get ahead of disease together. Find out more at gsk.com/company.
Cautionary statement regarding forward-looking statements
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 in the Company's Annual Report on Form 20-F for 2021, GSK’s Q2 Results for 2022 and any impacts of the COVID-19 pandemic.
Registered in England & Wales:
GlaxoSmithKline plc
No. 3888792
ViiV Healthcare Limited
No. 06876960
Registered Office:
980 Great West Road
Brentford, Middlesex
TW8 9GS
References
1 B. van Welzen, L. Vanderkerckhove, C. Jonsson-Oldenbuettel, et al. Implementation of cabotegravir and rilpivirine long-acting (CAB+RPV LA): Primary results from the CAB+RPV Implementation Study in European Locations (CARISEL). Presented at HIV Glasgow 2022.
2 L. Slama, M. Crusells-Canales, J. Olalla Sierra, et al. Overcoming barriers and achieving optimal implementation of cabotegravir and rilpivirine long-acting (CAB+RPV LA): Staff study participant (SSP) results from the CAB+RPV Implementation Study in European Locations (CARISEL). Presented at HIV Glasgow 2022.
3 T. Lutz, E. Jeanmaire, J. Portilla, et al. Perceptions of cabotegravir and rilpivirine long-acting (CAB+RPV LA) from patients in the CAB+RPV Implementation Study in European Locations (CARISEL). Presented at HIV Glasgow 2022.
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PUB: 10/24/2022 04:09 AM/DISC: 10/24/2022 04:09 AM
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