On May 31, 2022 ChemoCentryx, Inc., (Nasdaq: CCXI), reported upcoming abstract presentations at three key medical conferences taking place in June, which highlight TAVNEOS (avacopan), an orally administered selective complement 5a receptor (C5aR) inhibitor, and its role in ANCA-associated vasculitis and potential application in C3 glomerulopathy, as well as the immuno-oncology potential of CCX559, an orally administered small molecule PD-L1 inhibitor (Press release, ChemoCentryx, MAY 31, 2022, View Source [SID1234615357]).
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European Alliance of Associations for Rheumatology (EULAR), June 1-4, Copenhagen
Effect of Avacopan on Relapse Rates and Relapse-Free Time in Patients with ANCA-Associated Vasculitis: Results of the Phase 3 ADVOCATE Study
Oral Presentation: OP0180
Time: June 2, 2022, at 10:35 – 10:45 AM CEST
Session: Vessels glowing in the dark
Location: Congress Hall A2
Differences Between Avacopan & Prednisone Treatment of ANCA-Associated Vasculitis at Different Thresholds of Glucocorticoid Toxicity
Available: June 1, 2022, 08:00 AM CEST
Poster View 5: June 1, 2022, 01:20 – 01:28 PM CEST
Relapse Rates in Newly Diagnosed and Established Patients with Anti-Neutrophil Cytoplasmic Autoantibody (ANCA)-Associated Vasculitis
Available: June 1, 2022, 08:00 AM CEST
Poster View 5: June 1, 2022, 01:36 – 01:44 PM CEST
American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper), June 3-7, Chicago
Results From an Ongoing Phase 1 Dose-Escalation Study of CCX559, an Orally Administered Small Molecule PD-L1 Inhibitor, in Patients With Advanced Solid Tumors
Poster: 248 (Abstract: 2593)
Time: Sunday, June 5 at 8:00 – 11:00 AM CDT
Session: Developmental Therapeutics – Immunotherapy
European Society for Pediatric Nephrology (ESPN), June 22-25, Ljubljana, Slovenia
Safety and Efficacy of Avacopan (CCX168) in a Pediatric Patient with C3 Glomerulopathy
E-Poster Available: June 22, 2022
TAVNEOS (avacopan) is indicated as an adjunctive treatment of adult patients with severe active anti-neutrophil cytoplasmic autoantibody (ANCA)-associated vasculitis (granulomatosis with polyangiitis [GPA] and microscopic polyangiitis [MPA]) in combination with standard therapy including glucocorticoids. TAVNEOS does not eliminate glucocorticoid use.
IMPORTANT SAFETY INFORMATION
Serious hypersensitivity to avacopan or to any of the excipients
WARNINGS AND PRECAUTIONS
Hepatotoxicity: Serious cases of hepatic injury have been observed in patients taking TAVNEOS, including life-threatening events. Obtain liver test panel before initiating TAVNEOS, every 4 weeks after start of therapy for six months and as clinically indicated thereafter. Monitor patients closely for hepatic adverse reactions and consider pausing or discontinuing treatment as clinically indicated (refer to section 5.1 of the Prescribing Information). TAVNEOS is not recommended for patients with active, untreated and/or uncontrolled chronic liver disease (e.g., chronic active hepatitis B, untreated hepatitis C, uncontrolled autoimmune hepatitis) and cirrhosis. Consider the risk and benefit before administering this drug to a patient with liver disease.
Serious Hypersensitivity Reactions: Cases of angioedema occurred in a clinical trial, including one serious event requiring hospitalization. Discontinue immediately if angioedema occurs and manage accordingly. TAVNEOS must not be re-administered unless another cause has been established.
Hepatitis B Virus (HBV) Reactivation: Hepatitis B reactivation, including life threatening hepatitis B, was observed in the clinical program. Screen patients for HBV. For patients with evidence of prior infection, consult with physicians with expertise in HBV and monitor during TAVNEOS therapy and for six months following. If patients develop HBV reactivation, immediately discontinue TAVNEOS and concomitant therapies associated with HBV reactivation and consult with experts before resuming.
Serious Infections: Serious infections, including fatal infections, have been reported in patients receiving TAVNEOS. The most common serious infections reported in TAVNEOS group were pneumonia and urinary tract infections. Avoid use of TAVNEOS in patients with active, serious infection, including localized infections. Consider the risks and benefits before initiating TAVNEOS in patients with chronic infection, at increased risk of infection or who have been to places where certain infections are common.
The most common adverse reactions (≥5% of patients and higher in the TAVNEOS group vs. prednisone group) were: nausea, headache, hypertension, diarrhea, vomiting, rash, fatigue, upper abdominal pain, dizziness, blood creatinine increased and paresthesia.
Avoid coadministration of TAVNEOS with strong and moderate CYP3A4 enzyme inducers. Reduce TAVNEOS dose when co-administered with strong CYP3A4 enzyme inhibitors to 30 mg once daily. Monitor for adverse reactions and consider dose reduction of certain sensitive CYP3A4 substrates.
Please see Full Prescribing Information and Medication Guide for TAVNEOS.
About TAVNEOS (avacopan)
TAVNEOS (avacopan), approved by the FDA as an adjunctive treatment of ANCA-associated vasculitis, is a first-in-class, orally administered small molecule that employs a novel, highly targeted mode of action in complement-driven autoimmune and inflammatory diseases. While the precise mechanism in ANCA vasculitis has not been definitively established, TAVNEOS, by blocking the complement 5a receptor (C5aR) for the pro-inflammatory complement system fragment known as C5a on destructive inflammatory cells such as blood neutrophils, is presumed to arrest the ability of those cells to do damage in response to C5a activation, which is known to be the driver of ANCA vasculitis. TAVNEOS’s selective inhibition of only the C5aR is believed to leave the beneficial C5a pathway through the C5L2 receptor functioning normally.
ChemoCentryx is also developing TAVNEOS for the treatment of patients with C3 glomerulopathy (C3G), severe hidradenitis suppurativa (HS) and Lupus Nephritis (LN). The US Food and Drug Administration granted TAVNEOS orphan drug designation for ANCA-associated vasculitis and C3G. The European Commission has granted orphan medicinal product designation for TAVNEOS for the treatment of two forms of ANCA-associated vasculitis: microscopic polyangiitis and granulomatosis with polyangiitis (formerly known as Wegener’s granulomatosis), as well as for C3G. TAVNEOS has not been approved for indications discussed as in development, and the safety and efficacy of those uses has not been established.
About ANCA-Associated Vasculitis
ANCA-associated vasculitis is a systemic disease in which over-activation of the complement pathway further activates neutrophils, leading to inflammation and destruction of small blood vessels. This results in organ damage and failure, with the kidney as the major target, and is fatal if not treated. Currently, treatment for ANCA-associated vasculitis consists of courses of non-specific immuno-suppressants (cyclophosphamide or rituximab), combined with the administration of daily glucocorticoids (steroids) for prolonged periods of time, which can be associated with significant clinical risk including death from infection.