Review Article |
Corresponding author: Stefka Stoilova ( ef_i@abv.bg ) Academic editor: Georgi Momekov
© 2024 Stefka Stoilova, Daniela Taneva, Mariela Geneva-Popova.
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Citation:
Stoilova S, Taneva D, Geneva-Popova M (2024) Treatment with biologics of patients with inflammatory joint diseases. Pharmacia 71: 1-7. https://doi.org/10.3897/pharmacia.71.e132252
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Over the past two decades, biologics (Bs) have been widely used in the treatment of patients with inflammatory joint diseases (IJD). The treatment of IJD aims at reducing disease progression, improving patients’ physical health and well-being, and achieving long-lasting remission or, at least, minimal disease activity. The introduction of Bs in rheumatology practice has significantly improved patients’ outcomes and prognosis. Their use, however, involves undertaking significant risks and challenges for both patients and medical teams.
The purpose of this article is to provide a brief overview of the biological therapies currently approved for this group of diseases in Bulgaria and the indications for administration and monitoring of the most common side effects. The optimal administration of Bs is determined by treatment efficacy, discussion of benefits and risks, prevention of the possible development of severe adverse effects, administration regimens, and routes of administration of Bs. The analysis of major issues during treatment helps summarize the information on the use of Bs, thus increasing the possibility of managing the risks associated with their use by strengthening the engagement of healthcare experts and patients in the process of monitoring the impact of biological agents.
biological agents, inflammatory joint diseases, adverse effects
Over the past three decades, biologics (Bs) have been widely used in the treatment of patients with inflammatory joint diseases (IJD). The term ‘inflammatory joint diseases’ comprises a spectrum of heterogeneous disorders, the most common of which are rheumatoid arthritis (RA), psoriatic arthritis (PsA), and ankylosing spondylitis (AS). The advent of immunomodulatory biologic therapies has revolutionized the management of these diseases by improving their prognosis, especially for patients who have not responded sufficiently to conventional disease-modifying antirheumatic drugs (DMARDs). (
Biologic agents (BAs) or treatments, also known as biologics (BPs), biologic therapies (BTs), or biologic disease-modifying antirheumatic drugs (bDMARDs), are proteins derived from human genes and specifically designed to target specific molecules (
BPs are large molecules produced in living cells and are administered by self-injection using a prefilled pen or autoinjector or by intravenous (IV) infusion. Since the 2000s, the use of BPs has become the standard of care for various rheumatic conditions due to their high efficacy (
Biological agents are prescribed as second-line therapy if previous conventional therapies h ave been ineffective or in the event of drug intolerance (
Increasing experience in the use of BS allows for the reporting of a greater number of potential treatment-related adverse effects. The most common adverse effects are related to skin reactions. These complications may include injection-site responses, skin infections, immune-mediated complications such as psoriasis and lupus-like syndrome, and, in rare cases, skin cancer (
BIOLOGICAL AGENTS | |||
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Mechanism of action/type | Agent | Available in Bulgaria | |
1. Tumor necrosis factor alpha (Anti- | Etanercept | Yes | |
Infliximab | Yes | ||
Certolizumab pegol | Yes | ||
Golimumab | Yes | ||
2. Interleukin inhibitors (Anti-IL) | (IL-1) Anakinra | No | |
(IL-6) | Tocilizumab | Yes | |
Sarilumab | No | ||
(IL-12 /23Ustekinumab | Yes | ||
(IL-17) | Ixekizumab | Yes | |
Secukinumab | Yes | ||
(IL-23) | Guselkumab | Yes | |
Risankizumab | Yes | ||
3. B-cell-directed therapy (B-cell inhibitor) Anti- CD20 | (Anti -B-Ly) Rituximab | Yes | |
4. T-cell costimulation blocker (Inhibitor, CD80/86) Anti- CD28 | Abatacept | No |
There are different classes of bDMARDs approved for the treatment of IJD. Currently, not all types of biological therapies are approved for use in Bulgaria (Table
Tumor necrosis factor α (TNFα) is a pleiotropic proinflammatory cytokine that plays an important role in the pathogenesis of systemic inflammation and determines tissue damage (
The TNF superfamily consists of more than 35 specific ligand-receptor pairs that play a major role in mammalian biology (
Etanercept is a recombinant human dimeric fusion protein consisting of the Fc portion of human IgG1 and the extracellular (binding) portion of the TNF-α receptor. (
It is used to treat plaque psoriasis, rheumatoid arthritis, psoriatic arthritis, ankylosing spondylitis, or polyarticular juvenile idiopathic arthritis.
Adalimumab is the first fully human recombinant monoclonal antibody against TNF-α (
Adalimumab is used to treat various autoimmune conditions such as rheumatoid arthritis, juvenile idiopathic arthritis, ankylosing spondylitis, psoriasis, psoriatic arthritis, uveitis, Crohn’s disease, and ulcerative colitis (
Infliximab is a chimeric monoclonal antibody consisting of a murine variable region and a human immunoglobulin constant region (
It is used to treat rheumatoid arthritis, psoriatic arthritis, ankylosing spondylitis, and inflammatory bowel disease (Crohn’s disease and ulcerative colitis).
Certolizumab pegol is a pegylated Fab fragment of a humanized monoclonal antibody that selectively targets and neutralizes tumor necrosis factor-α (TNF-α) (
It is used for the treatment of rheumatoid arthritis, psoriatic arthritis, ankylosing spondylitis, non-radiographic axial spondyloarthritis, plaque psoriasis, and Crohn’s disease.
Golimumab is a recombinant human monoclonal antibody-inhibitor of TNFα that binds human TNF-α soluble and transmembrane structures and blocks its binding to the corresponding TNF-α receptors (
The following adverse effects have been observed during the administration of anti-TNF drugs:
Serious side effects of anti-TNF drugs include:
Possible adverse effects during infusion: (less than 24 hours after infusion) fever, chest pain, palpitations, sweating, nausea, redness, itching, changes in blood pressure, and difficulty breathing.
Heart failure may occur or worsen in patients who receive TNF blockers.
IL-1 is the first well-described proinflammatory cytokine. Anakinra interleukin-1 (IL-1) is a receptor antagonist that blocks the biological activity of IL-1. Anakinra is the recombinant form of the naturally occurring IL-1Ra, a counterregulatory cytokine, whoses levels increase in an acute-phase fashion in response to IL-1 production and compete with IL-1b for binding to type I IL-1 receptors. Anakinra is recommended for the treatment of active rheumatoid arthritis (RA) after adequate treatment with non-biologic DMARDs (Cush et al. 2023). The most common side effects observed are injection site reactions, headaches, muscle pain, and stiffness.
Interleukin-6 (IL-6) is a cytokine that plays a crucial role in causing severe inflammation associated with inflammatory arthritis and is involved in the pathogenesis of autoimmune diseases. Treatment with interleukin inhibitors (anti-IL) works by neutralizing the activity of certain interleukins, thus reducing the amount of excessive inflammation in the body and joints.
Interleukin-6 (tocilizumab) is a humanized monoclonal antibody against the IL-6 receptor. It is used to treat RA in combination with methotrexate or as monotherapy in patients with insufficient response to treatment with csDMARDs or TNF-α inhibitors (
Interleukin-6 (IL-6) Sarilumab is a fully human monoclonal antibody directed against both soluble and membrane-bound IL-6 receptors α (anti-IL-6Rα) that binds and blocks interleukin-6. Sarilumab is used to treat rheumatoid arthritis after other DMARDs have been used (Mother to Baby, Organization of Teratology Information Specialists, 2023). It is currently not approved or available for use in Bulgaria.
Interleukin 12 (IL-12) and IL-23 belong to the IL-12 cytokine family and play a central role in T cell-mediated responses to inflammation (Teng et al. 2011). IL-12 and IL-23 are heterodimeric cytokines that are secreted by dendritic cells and macrophages and share a binding protein called p40 (
Ustekinumab is a fully humanized IgG1κ monoclonal antibody that targets IL-12 and IL-23. It binds to them, thus preventing the interaction between them and cell receptors, as well as the differentiation of T cells to Th1 and Th17 and the secretion of proinflammatory cytokines (
Interleukin 17 inhibitors (Ixekizumab, Secukinumab) are used successfully in the biological treatment of psoriasis, PsA, AS, and RA, but at the same time mediate the immune response against bacteria and fungi. The appearance of a paradoxical effect is possible—exacerbation or the appearance of a disease that should have been cured by this medicine. Other adverse effects are upper respiratory tract infections, including candidiasis, oral herpes, headaches, neutropenia, and diarrhea (Tiburca et al. 2022).
Ixekizumab is a humanized IgG4 monoclonal antibody that selectively binds to interleukin 17A (IL-17A), thus inhibiting its interaction with the IL-17 receptor (Miller et al. 2022). The most common adverse drug reactions (ADRs) are neutropenia, candidiasis, bronchitis, nasopharyngitis, sinusitis, pain, and redness at the injection site.
Secukinumab is a human monoclonal antibody that blocks IL-17A IgG1. ADRs that have been reported include neutropenia, candidiasis, nasopharyngitis, upper respiratory tract infections, inflammatory bowel disease (Crohn’s disease), headache, and diarrhea (
Interleukin-23 (IL-23), a member of the IL-12 cytokine family, is a heterodimeric cytokine that is composed of the IL-12p40 subunit and a novel p19 subunit (
Types of IL-23 inhibitors approved in Bulgaria:
In inflammatory arthritis, B-cell therapy reduces inflammation, discomfort, and swelling by inhibiting the activity of B-cells.
Rituximab is a human/murine chimeric anti-CD20 monoclonal antibody targeting B lymphocyte antigen CD20. It is used to treat patients with rheumatoid arthritis who have shown an inadequate response to treatment with at least one TNF-α inhibitor (
Abatacept (CTLA4Ig) is a recombinant fusion protein of the extracellular domain of human cytotoxic T lymphocyte-associated antigen 4 (CTLA-4) linked to a modified Fc of human immunoglobulin 1 (IgG1) (
Drugs from this group are not currently available in Bulgaria.
Despite their potential risks, the benefits of BAs for patients with IJD have been demonstrated for more than 20 years of use. Bs are a reliable therapeutic alternative for patients who have not responded to traditional medication treatment. The safety profile of different biological products shows no significant difference between them, which helps in the monitoring and management of IJD. The modern approach to preventing adverse effects calls for an individual risk assessment of the administration of BAs, depending on the health condition and characteristics of each patient. The selection, administration, and monitoring of the effects of BAs use in practice entirely depend on the competency of medical professionals, which highlights the need for dissemination and greater awareness of the guidelines for safety assessment and monitoring during biological therapy.
No funding was received to support the preparation of this manuscript.
The authors declare no conflict of interest in relation to the publication of this article.