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Voulgari PV, Venetsanopoulou AI, Drosos AA. Recent advances in the therapeutic management of calcium pyrophosphate deposition disease. Front Med (Lausanne) 2024; 11:1327715. [PMID: 38529115 PMCID: PMC10961350 DOI: 10.3389/fmed.2024.1327715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 02/26/2024] [Indexed: 03/27/2024] Open
Abstract
Calcium pyrophosphate deposition (CPPD) disease is a form of crystal-induced arthropathy that arises from the accumulation of calcium pyrophosphate crystals within joints and soft tissues. This process leads to inflammation and damage to the affected joints. It can present asymptomatically or as acute or chronic inflammatory arthritis. Risk factors and comorbidities, including prior joint injury, osteoarthritis, hereditary or familial predisposition, and metabolic diseases, should be evaluated in CPPD cases. The management of CPPD remains a challenge in the sparsity of randomized controlled trials. The lack of such trials makes it difficult to establish evidence-based treatment protocols for CPPD. This review provides an overview of the current pharmacological management of CPPD, focusing on reducing inflammation, alleviating symptoms, and preventing acute flares. Non-steroidal anti-inflammatory drugs (NSAIDs), corticosteroids, and colchicine are effective in managing acute CPP arthritis. Colchicine may also be used prophylactically to prevent recurrent flares. In cases where other treatments have failed, anakinra, an interleukin-1 receptor antagonist, can be administered to alleviate acute flares. The management of chronic CPP inflammatory arthritis includes NSAIDs and/or colchicine, followed by hydroxychloroquine, low-dose glucocorticoids, and methotrexate, with limited data on efficacy. Tocilizumab can be used in refractory cases. In small studies, synovial destruction using intra-articular injection of yttrium 90 can decrease pain. To date, no disease-modifying therapies exist that reduce articular calcification in CPPD.
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Affiliation(s)
- Paraskevi V. Voulgari
- Department of Rheumatology, School of Health Sciences, Faculty of Medicine, University of Ioannina, Ioannina, Greece
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Eliseev MS, Cheremushkina EV, Nasonov EL. The use of Anakinra in treatment of calcium pyrophosphate crystal deposition disease: Analysis of own experience and a literature review. RHEUMATOLOGY SCIENCE AND PRACTICE 2022. [DOI: 10.47360/1995-4484-2022-570-577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Calcium pyrophosphate crystal deposition disease (CPPD) is a disease caused by the deposition of calcium pyrophosphate crystals, mainly in the articular cartilage, and often manifests as severe acute or chronic arthritis. Therapy given in such cases with non-steroidal anti-inflammatory drugs, colchicine, methotrexate and glucocorticoids is often effective. In these cases, the possibility of prescribing biological drugs, primarily interleukin 1 (IL-1) inhibitors, is being considered. The article analyzes the experience of using Anakinra, an IL-1 receptor antagonist, registered in the Russian Federation in 2021, in 5 patients with persistent arthritis in CPPD. The article also presents an analysis of data from key studies on the use of the drug in patients with CPPD.
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Affiliation(s)
| | | | - E. L. Nasonov
- V.A. Nasonova Research Institute of Rheumatology; I.M. Sechenov First Moscow State Medical University of the Ministry of Health Care of Russian Federation (Sechenov University)
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Anakinra treatment of acute calcium deposits in hand and wrist. HAND SURGERY & REHABILITATION 2022; 41:701-706. [PMID: 36087874 DOI: 10.1016/j.hansur.2022.08.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 08/29/2022] [Accepted: 08/31/2022] [Indexed: 01/04/2023]
Abstract
Acute calcium deposit (ACD) in the hand and wrist is a cause of acute pain due to crystal-induced soft-tissue inflammation. There are no standard management guidelines for this condition, which is frequently treated with non-steroidal anti-inflammatory drugs (NSAIDs), with variable efficacy, some patients presenting symptoms for several months. We retrospectively analyzed the results of all patients treated with anakinra for hand or wrist ACD in our department in 2020. We extracted data on treatment duration, pain, range of motion, skin erythema, hypervascularization, edema, and X-ray findings. Ten patients were treated for hand or wrist ACD with anakinra 100 mg per day for a mean 2.7 days. We observed rapid and significant improvement in pain, range of motion, local erythema and edema from day 2 and a decrease in skin temperature from day 3. Calcifications significantly decreased in size or disappeared in the majority of the patients. There were no adverse events or recurrences at 1 year's follow-up. Anakinra was associated with significant clinical improvement after only two days' treatment and may be considered to treat patients with hand or wrist ACD, especially in case of contraindications to NSAIDs or glucocorticoids. Further controlled studies are needed to confirm the present observations.
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The role of Interleukin-1 receptor antagonist as a treatment option in calcium pyrophosphate crystal deposition disease. Mol Biol Rep 2021; 48:4789-4796. [PMID: 34075537 PMCID: PMC8260411 DOI: 10.1007/s11033-021-06457-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 05/27/2021] [Indexed: 12/30/2022]
Abstract
Calcium Pyrophosphate Crystal Deposition (CPPD) disease is characterized by the deposition of calcium pyrophosphate crystals in the cartilage. In most cases, it can manifest as a subclinical condition named chondrocalcinosis, often revealed by joint x-ray examination. In other cases, deposition can cause flares of arthritis, known as acute CPP crystal arthritis. In the last few years, many pathogenic pathways have been discovered. Interleukin-1 (IL-1) plays a key role in the pathogenesis of CPPD disease, both as a mediator of inflammatory response to crystals and as a promoter of damage to articular cartilage. In this review, we investigated the role of IL-1R inhibitor, such as Anakinra, as an alternative to the various therapeutic strategies for CPPD disease, especially among patients resistant to traditional treatment with NSAIDs, corticosteroids and colchicine.
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The revisited role of interleukin-1 alpha and beta in autoimmune and inflammatory disorders and in comorbidities. Autoimmun Rev 2021; 20:102785. [PMID: 33621698 DOI: 10.1016/j.autrev.2021.102785] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 01/04/2021] [Indexed: 02/06/2023]
Abstract
The interleukin (IL) 1 family of cytokines is noteworthy to have pleiotropic functions in inflammation and acquired immunity. Over the last decades, several progresses have been made in understanding the function and regulation of the prototypical inflammatory cytokine (IL-1) in human diseases. IL-1α and IL-1β deregulated signaling causes devastating diseases manifested by severe acute or chronic inflammation. In this review, we examine and compare the key aspects of IL-1α and IL-1β biology and regulation and discuss their importance in the initiation and maintenance of inflammation that underlie the pathology of many human diseases. We also report the current and ongoing inhibitors of IL-1 signaling, targeting IL-1α, IL-1β, their receptor or other molecular compounds as effective strategies to prevent or treat the onset and progression of various inflammatory disorders.
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Dumusc A, Pazar Maldonado B, Benaim C, Zufferey P, Aubry-Rozier B, So A. Anakinra compared to prednisone in the treatment of acute CPPD crystal arthritis: A randomized controlled double-blinded pilot study. Joint Bone Spine 2020; 88:105088. [PMID: 33445133 DOI: 10.1016/j.jbspin.2020.105088] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 10/05/2020] [Indexed: 12/23/2022]
Affiliation(s)
- Alexandre Dumusc
- Rheumatology Department, Lausanne University Hospital, avenue Pierre-Decker 4, 1005 Lausanne, Switzerland.
| | - Borbala Pazar Maldonado
- Rheumatology Department, Lausanne University Hospital, avenue Pierre-Decker 4, 1005 Lausanne, Switzerland
| | - Charles Benaim
- Physical Medicine and Rehabilitation Department, Lausanne University Hospital, 1005 Lausanne, Switzerland
| | - Pascal Zufferey
- Rheumatology Department, Lausanne University Hospital, avenue Pierre-Decker 4, 1005 Lausanne, Switzerland
| | - Bérengère Aubry-Rozier
- Rheumatology Department, Lausanne University Hospital, avenue Pierre-Decker 4, 1005 Lausanne, Switzerland
| | - Alexander So
- Rheumatology Department, Lausanne University Hospital, avenue Pierre-Decker 4, 1005 Lausanne, Switzerland
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Infectious Complications of Biological and Small Molecule Targeted Immunomodulatory Therapies. Clin Microbiol Rev 2020; 33:33/3/e00035-19. [PMID: 32522746 DOI: 10.1128/cmr.00035-19] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The past 2 decades have seen a revolution in our approach to therapeutic immunosuppression. We have moved from relying on broadly active traditional medications, such as prednisolone or methotrexate, toward more specific agents that often target a single receptor, cytokine, or cell type, using monoclonal antibodies, fusion proteins, or targeted small molecules. This change has transformed the treatment of many conditions, including rheumatoid arthritis, cancers, asthma, and inflammatory bowel disease, but along with the benefits have come risks. Contrary to the hope that these more specific agents would have minimal and predictable infectious sequelae, infectious complications have emerged as a major stumbling block for many of these agents. Furthermore, the growing number and complexity of available biologic agents makes it difficult for clinicians to maintain current knowledge, and most review articles focus on a particular target disease or class of agent. In this article, we review the current state of knowledge about infectious complications of biologic and small molecule immunomodulatory agents, aiming to create a single resource relevant to a broad range of clinicians and researchers. For each of 19 classes of agent, we discuss the mechanism of action, the risk and types of infectious complications, and recommendations for prevention of infection.
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Oliviero F, Bindoli S, Scanu A, Feist E, Doria A, Galozzi P, Sfriso P. Autoinflammatory Mechanisms in Crystal-Induced Arthritis. Front Med (Lausanne) 2020; 7:166. [PMID: 32426360 PMCID: PMC7203538 DOI: 10.3389/fmed.2020.00166] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 04/14/2020] [Indexed: 12/12/2022] Open
Abstract
Crystal-induced arthritides have been classified as “type-1 autoinflammatory diseases” for their main features which resemble those of the monogenic autoinflammatory syndromes. They are in fact characterized by spontaneous onset, recurrence of the episodes, self-limitation and resolution, inflammasome activation with huge production of IL-1β and a prevalent involvement of the innate immune system. The term “auto” refers also to the induction of IL-1β gene expression, processing and secretion by IL-1β itself. The concept of autoinflammation in crystal-induced arthritis has been finally reinforced by the efficacy of IL-1 blockade in treating acute and chronic state of this disease. The aim of this article is to review the autoinflammatory mechanisms in crystal-induced arthritis, considering both clinical and molecular aspects.
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Affiliation(s)
- Francesca Oliviero
- Rheumatology Unit, Department of Medicine-DIMED, University of Padova, Padova, Italy
| | - Sara Bindoli
- Rheumatology Unit, Department of Medicine-DIMED, University of Padova, Padova, Italy
| | - Anna Scanu
- Rheumatology Unit, Department of Medicine-DIMED, University of Padova, Padova, Italy
| | - Eugen Feist
- Department of Rheumatology, Cooperation Partner of the Otto-von-Guericke, University Magdeburg, Helios Clinic, Vogelsang-Gommern, Germany
| | - Andrea Doria
- Rheumatology Unit, Department of Medicine-DIMED, University of Padova, Padova, Italy
| | - Paola Galozzi
- Rheumatology Unit, Department of Medicine-DIMED, University of Padova, Padova, Italy
| | - Paolo Sfriso
- Rheumatology Unit, Department of Medicine-DIMED, University of Padova, Padova, Italy
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Vladimirov SA, Eliseev MS. Current strategy in the treatment of calcium pyrophosphate crystal deposition disease. RHEUMATOLOGY SCIENCE AND PRACTICE 2019. [DOI: 10.14412/1995-4484-2018-746-752] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The paper considers currently available drugs used to treat calcium pyrophosphate crystal deposition disease. It discusses the advantages and disadvantages of the most widely used drugs, such as nonsteroidal anti-inflammatory drugs, colchicine, glucocorticoids, traditional immunosuppressants, as well as prospects for the use of biologic agents.
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Thomas M, Forien M, Palazzo E, Dieudé P, Ottaviani S. Efficacy and tolerance of anakinra in acute calcium pyrophosphate crystal arthritis: a retrospective study of 33 cases. Clin Rheumatol 2018; 38:425-430. [DOI: 10.1007/s10067-018-4272-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 08/08/2018] [Accepted: 08/20/2018] [Indexed: 12/20/2022]
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Abstract
PURPOSE OF REVIEW Current evidence and accumulated experience for the management of calcium pyrophosphate deposition disease (CPPD) are presented. RECENT FINDINGS Contrary to other rheumatic inflammatory conditions that account for high interest and growing research, advances in treating CPPD are still very limited and mostly derive from those achieved in gout. Once formed, calcium pyrophosphate crystals cannot be dissolved; therefore, management relies on the control of crystal-derived inflammation. Besides classical agents-such as colchicine, glucocorticoids, or NSAIDs-the use of targeted therapies, mostly against interleukin-1, has provided a relevant relief for refractory CPPD patients in recent years. Meanwhile, former enthusiasm about conventional disease-modifying agents such as methotrexate is currently controversial.
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Affiliation(s)
- Mariano Andrés
- Sección de Reumatología, Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), Hospital General Universitario de Alicante, Pintor Baeza 12, 03010, Alicante, Spain. .,Departamento de Medicina Clínica, Universidad Miguel Hernández, Alicante, Spain.
| | - Francisca Sivera
- Sección de Reumatología, Hospital General Universitario de Elda, Alicante, Spain
| | - Eliseo Pascual
- Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), Universidad Miguel Hernández, Alicante, Spain
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Abstract
PURPOSE OF REVIEW Calcium pyrophosphate (CPP) crystal disease is a common rheumatologic disorder that has received limited attention from the scientific community. This review is aimed at summarizing current evidence for managing CPP disease (CPPD), focusing on recently reported advances. RECENT FINDINGS New data from case series indicate that interleukin-1β inhibitors can help patients with refractory forms of CPPD. Methotrexate, formerly a promising agent, failed to demonstrate benefits in a recent trial, but still merits consideration for some patients. No significant advances on crystal dissolution have been achieved to date. Proper characterization of the CPP crystal disease picture is needed, ruling out the possible coexistence of another persistent arthritis unrelated to the CPP deposition. SUMMARY Advances on CPP crystal dissolution and establishing definitions of the clinical spectrum of CPPD remain the main challenges for CPP crystal disease management.
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Affiliation(s)
- Shrikant R Mulay
- From Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, Ludwig Maximilian University of Munich, Munich, Germany
| | - Hans-Joachim Anders
- From Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, Ludwig Maximilian University of Munich, Munich, Germany
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Dinarello CA. An expanding role for interleukin-1 blockade from gout to cancer. Mol Med 2014; 20 Suppl 1:S43-58. [PMID: 25549233 PMCID: PMC4374514 DOI: 10.2119/molmed.2014.00232] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2014] [Accepted: 11/17/2014] [Indexed: 01/08/2023] Open
Abstract
There is an expanding role for interleukin (IL)-1 in diseases from gout to cancer. More than any other cytokine family, the IL-1 family is closely linked to innate inflammatory and immune responses. This linkage is because the cytoplasmic segment of all members of the IL-1 family of receptors contains a domain, which is highly homologous to the cytoplasmic domains of all toll-like receptors (TLRs). This domain, termed "toll IL-1 receptor (TIR) domain," signals as does the IL-1 receptors; therefore, inflammation due to the TLR and the IL-1 families is nearly the same. Fundamental responses such as the induction of cyclo-oxygenase type 2, increased surface expression of cellular adhesion molecules and increased gene expression of a broad number of inflammatory molecules characterizes IL-1 signal transduction as it does for TLR agonists. IL-1β is the most studied member of the IL-1 family because of its role in mediating autoinflammatory disease. However, a role for IL-1α in disease is being validated because of the availability of a neutralizing monoclonal antibody to human IL-1α. There are presently three approved therapies for blocking IL-1 activity. Anakinra is a recombinant form of the naturally occurring IL-1 receptor antagonist, which binds to the IL-1 receptor and prevents the binding of IL-1β as well as IL-1α. Rilonacept is a soluble decoy receptor that neutralizes primarily IL-1β but also IL-1α. Canakinumab is a human monoclonal antibody that neutralizes only IL-1β. Thus, a causal or significant contributing role can be established for IL-1β and IL-1α in human disease.
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Affiliation(s)
- Charles Anthony Dinarello
- Department of Medicine, Division of Infectious Diseases, University of Colorado Denver, Aurora, Colorado, United States of America; and Department of Medicine, Radboud University, Nijmegen, the Netherlands
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Finckh A, Mc Carthy GM, Madigan A, Van Linthoudt D, Weber M, Neto D, Rappoport G, Blumhardt S, Kyburz D, Guerne PA. Methotrexate in chronic-recurrent calcium pyrophosphate deposition disease: no significant effect in a randomized crossover trial. Arthritis Res Ther 2014; 16:458. [PMID: 25315665 PMCID: PMC4223155 DOI: 10.1186/s13075-014-0458-4] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Accepted: 09/18/2014] [Indexed: 02/07/2023] Open
Abstract
INTRODUCTION Calcium pyrophosphate deposition (CPPD) may cause severe arthropathy, major joint destruction and treatment options are limited. The aim of this study was to test the therapeutic efficacy of methotrexate (MTX) in chronic or recurrent CPPD arthropathy. METHODS Patients with CPPD arthropathy were randomized to receive either weekly subcutaneous injections of 15 mg/week of MTX or placebo (PBO) for three months, in a double-blind, crossover randomized controlled trial. Inclusion criteria comprised definite CPPD disease, recurrent arthritis or persistent polyarthritis, and an insufficient response to NSAIDs, glucocorticoids or colchicine. The primary outcome was an improvement in the disease activity scores based on 44 joints (DAS44). The analysis was performed on an intent-to-treat basis. RESULTS We randomized 26 patients, and compared 25 treatment periods on MTX with 21 treatment periods on PBO. Baseline characteristics were balanced between the groups. The evolution of the DAS44 was not statistically significantly different between groups (median DAS44 decreased by -0.08 on MTX versus -0.13 on PBO, after three months, P = 0.44). Furthermore, pain levels remained stable in both groups (median change in VAS Pain -1 unit on MTX and 0 on PBO, P = 0.43), and none of the secondary outcomes was significantly different between the two groups. Minor adverse events (AE) did not differ in frequency between the groups, but the only serious AE occurred on MTX (bicytopenia). CONCLUSIONS The results of this trial with MTX in this older population with chronic or recurrent CPPD arthropathy suggest no strong effect of MTX on disease activity. TRIAL REGISTRATION EudraCT No: 2007-003479-37. Registered 26 April 2008.
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Rosales-Alexander JL, Balsalobre Aznar J, Magro-Checa C. Calcium pyrophosphate crystal deposition disease: diagnosis and treatment. Open Access Rheumatol 2014; 6:39-47. [PMID: 27790033 PMCID: PMC5045115 DOI: 10.2147/oarrr.s39039] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Calcium pyrophosphate dihydrate crystal deposition disease (CPPD) is an inflammatory arthritis produced by the deposition of calcium pyrophosphate (CPP) crystals in the synovium and periarticular soft tissues. It is the third most common inflammatory arthritis. Diagnosis is suspected on the basis of the clinical picture and radiographic/laboratory findings. The reference standard for the diagnosis of CPPD is based on the identification of CPP crystals in synovial fluid by light microscopy, compensated polarized light microscopy, or phase contrast microscopy. Most treatment approaches for CPPD are based upon clinical experience and not upon controlled trials. They range - depending on the subtype and the characteristics of symptoms - from no treatment to interleukin-1 blockade antibodies or specific therapy for an underlying disease. This review summarizes all we know so far about the diagnosis and management of CPPD.
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Affiliation(s)
| | | | - César Magro-Checa
- Rheumatology Department, San Cecilio University Hospital, Granada, Spain
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Rosenthal AK, Ryan LM. Nonpharmacologic and pharmacologic management of CPP crystal arthritis and BCP arthropathy and periarticular syndromes. Rheum Dis Clin North Am 2014; 40:343-56. [PMID: 24703351 DOI: 10.1016/j.rdc.2014.01.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Calcium crystal arthritis is often unrecognized, poorly managed, and few effective therapies are available. The most common types of calcium crystals causing musculoskeletal syndromes are calcium pyrophosphate (CPP) and basic calcium phosphate (BCP). Associated syndromes have different clinical presentations and divergent management strategies. Acute CPP arthritis is treated similarly to acute gouty arthritis, whereas chronic CPP and BCP arthropathy may respond to strategies used for osteoarthritis. Calcific tendonitis is treated with a variety of interventions designed to dissolve BCP crystals. A better understanding of the causes and larger well-planned trials of current therapies will lead to improved care.
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Affiliation(s)
- Ann K Rosenthal
- Division of Rheumatology, Department of Medicine, Zablocki VA Medical Center and The Medical College of Wisconsin, FEOB 4th Floor, 9200 West Wisconsin Avenue, Milwaukee, WI 53226, USA.
| | - Lawrence M Ryan
- Division of Rheumatology, Department of Medicine, Zablocki VA Medical Center and The Medical College of Wisconsin, FEOB 4th Floor, 9200 West Wisconsin Avenue, Milwaukee, WI 53226, USA
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Abstract
IL-1 is a master cytokine of local and systemic inflammation. With the availability of specific IL-1 targeting therapies, a broadening list of diseases has revealed the pathologic role of IL-1-mediated inflammation. Although IL-1, either IL-1α or IL-1β, was administered to patients in order to improve bone marrow function or increase host immune responses to cancer, these patients experienced unacceptable toxicity with fever, anorexia, myalgias, arthralgias, fatigue, gastrointestinal upset and sleep disturbances; frank hypotension occurred. Thus it was not unexpected that specific pharmacological blockade of IL-1 activity in inflammatory diseases would be beneficial. Monotherapy blocking IL-1 activity in a broad spectrum of inflammatory syndromes results in a rapid and sustained reduction in disease severity. In common conditions such as heart failure and gout arthritis, IL-1 blockade can be effective therapy. Three IL-1blockers have been approved: the IL-1 receptor antagonist, anakinra, blocks the IL-1 receptor and therefore reduces the activity of IL-1α and IL-1β. A soluble decoy receptor, rilonacept, and a neutralizing monoclonal anti-interleukin-1β antibody, canakinumab, are also approved. A monoclonal antibody directed against the IL-1 receptor and a neutralizing anti-IL-1α are in clinical trials. By specifically blocking IL-1, we have learned a great deal about the role of this cytokine in inflammation but equally important, reducing IL-1 activity has lifted the burden of disease for many patients.
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Key Words
- AOSD
- Autoimmune
- Autoinflammatory
- C-reactive protein
- CAPS
- CRP
- DIRA
- FCAS
- FMF
- HIDS
- Inflammation
- NLRP12
- NLRP3
- NOMID
- PAPA
- PASH
- PFAPA
- SAPHO
- SJIA
- TNF receptor associated periodic syndrome
- TRAPS
- adult onset Still's disease
- cryopyrin autoinflammatory periodic syndromes
- deficiency of IL-1Ra
- familial Mediterranean fever
- familial cold autoinflammatory syndrome
- hyper IgD syndrome
- neonatal onset multi-inflammatory diseases
- nucleotide-binding domain and leucine-rich repeat pyrin containing 12
- nucleotide-binding domain and leucine-rich repeat pyrin containing 3
- periodic fever, aphthous stomatitis, pharyngitis, and adenitis
- pyoderma-gangrenosum, acne, and suppurativa hidradenitis
- pyogenic arthritis, pyoderma gangrenosum, and acne
- synovitis, acne, pustulosis, hyperostosis and osteitis
- systemic-onset juvenile idiopathic arthritis
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Affiliation(s)
- Charles A Dinarello
- Department of Medicine, University of Colorado Denver, Aurora, CO, United States; Department of Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Jos W M van der Meer
- Department of Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
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