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Intramuscular Clodronate in Long-Term Treatment of Symptomatic Knee Osteoarthritis: A Randomized Controlled Study. Drugs R D 2020; 20:39-45. [PMID: 32078147 PMCID: PMC7067729 DOI: 10.1007/s40268-020-00294-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Background and Objective Clodronate is a nitrogen-free bisphosphonate that is widely and effectively used in the treatment of many osteo-metabolic disorders. The objective of our study was to evaluate the effectiveness of clodronate in reducing pain and bone marrow edema in knee osteoarthritis. Methods In total, 74 patients were included in the study. Group 1 received intramuscular clodronate 200 mg daily for 15 days and then once weekly for the next 11.5 months; group 2 received intramuscular clodronate 200 mg daily for 15 days and then once weekly for the next 2.5 months. Visual analog scale (VAS) scores were recorded at baseline (T0) and after 30 days (T1), 3 months (T2), 6 months (T3), 9 months (T4), and 12 months (end of study; T5). We also evaluated functional status and use of paracetamol (T0, T1, T2, T3, T4, and T5) and changes in Whole Organ Magnetic Resonance Imaging Score (WORMS; T0, T2, and T5). Results Both groups had a statistically significant reduction in VAS score until 3 months. Group 1 then experienced further VAS reductions, whereas VAS scores for group 2 progressively increased. Pain, stiffness, and physical function also showed the same trend, as did bone marrow edema extension, which was evaluated with WORMS. Conclusion Our study indicates that intramuscular administration of a therapeutic dose of clodronate followed by a maintenance dose is effective in the management of symptomatic knee osteoarthritis, improving functional outcomes and reducing pain and bone marrow edema. Prolonged treatment increases the long-term efficacy of clodronate compared with the shorter schedule.
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Romanenko VD. α-Heteroatom-substituted gem-Bisphosphonates: Advances in the Synthesis and Prospects for Biomedical Application. CURR ORG CHEM 2019. [DOI: 10.2174/1385272823666190401141844] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Functionalized gem-bisphosphonic acid derivatives being pyrophosphate isosteres are of great synthetic and biological interest since they are currently the most important class of drugs developed for the treatment of diseases associated with the disorder of calcium metabolism, including osteoporosis, Paget’s disease, and hypercalcemia. In this article, we will try to give an in-depth overview of the methods for obtaining α- heteroatom-substituted methylenebisphosphonates and acquaint the reader with the synthetic strategies that are used to develop biologically important compounds of this type.
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Affiliation(s)
- Vadim D. Romanenko
- V. P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, National Academy of Sciences of Ukraine, 1-Murmanska Street, Kyiv-94, 02660, Ukraine
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Abstract
Clodronate is the father of bisphosphonates. For over three decades it has been subject of study in biological and clinical areas, proving to be an extremely interesting molecule from different points of view. It has been the first drug for osteoporosis that can be administered pulsatorily (once every 15 days or once a week). This, along with good tolerability, has been the first cause of its success, when there were no solid data in literature about its antifracture efficacy. There are three published studies that prove its antifracture effect: two by McCloskey published in 2004 and 2007 on BMR, and our study about fracture prevention in corticosteroids OP. In these studies a dose of 800 mg/day orally administered or 100 mg/week I.M. was used, and they are basically the same if you consider that clodronate absorption, orally administered, is on average 1.9%. However, a series of works where higher doses were used (1600 mg orally administered) with greater effectiveness on bone mass, especially in higher risk populations, lead us to consider the use of 200 mg i.m. formulation. First of all, we proved densitometric equivalence of 200 mg i.m./14 days and 100 mg i.m./week in a first study; then, in a second study, we proved a greater densitometric efficacy of 200 mg/week compared to 100 mg/week, clearer at femoral level, where the drug had not proven to prevent femoral fracture because of inadequate bone mass increase at that level. Moreover, as for ibandronate case, monthly dose was doubled compared to pivotal trial, in order to maximize the effects on femoral bone mass and therefore prevent femoral fractures. Consequently, on the basis of the risk envelope, whether it is identified according to BMD and the presence of one risk factor at least or more correctly identified through risk chart (FRAX or DeFRA), you can put forward a differential use of 100 mg i.m. and 200 mg i.m., weekly, "off-label" or every 14 days, adjusting doses in relation to fracture risk and painful symptoms gravity, as well as improving its ease of use and therefore assist compliance. Common experience and clinical and biological works have proved that clodronate has an analgesic effect that can be increased by doubling the doses. The analgesic effect is present not only with patients with fractures, but also with patients suffering from osteoarthritis or arthritis. Therefore, the drug would fit well in the therapeutic program of rheumatic patient, also because of its symptomatic effects. Clodronate at small doses (2 mg) could also have protective effects on cartilage (introduction of intra-articular formulation is expected) and at 10-100 fold higher doses it has certainly anti-inflammatory effects and more specifically antimacrophage and anticytokine effects (IL-1, IL-6, TNFalpha, PGE). These effects are amplified by putting clodronate in monolayer liposomes. This drug, therefore, has to be considered as adjuvant in arthritis therapy, whose origin can be linked to a strong osteoclastic activation caused by an increase of cytokines and the RANKL/OPG relationship. It is clear that clodronate can work on cytokine at first and on osteoclastic effector in the end. The drug has been used "off-label" for decades intravenously in complex regional pain syndrome (CRPS type 1) in relation to schemes that change according to different Authors and according to cumulative doses ranging from 3 to 5 g. The introduction on the market of the 200 mg i.m. formulation could allow to get more practical but equally effective schemes. For example, we used this scheme: 200 mg/day for 10 days and then 200 mg every other day for 20 days (cumulative dose of 4 g in a month). Said scheme can be repeated in the following months in particular cases. Results, as for efficacy and lack of relapses, show that clodronate is the leader drug for this syndrome. In recent years, relationship between costs and benefits has started to matter, especially after the creation of some algorithms, such as FRAX, that let us choose patients with a higher fracture risk in 10 years, and after pharmaceutic-economic models that let us calculate FRAX intervention threshold, on the basis of drug price and monitoring, antifracture efficacy, quality of life and how much a community can or wants to spend. In this respect, a sub-analysis of McCloskey's study on people over the age of 75, conducted on 3974 subjects, shows that clodronate is more efficient with patients with a higher fracture risk, calculated according to FRAX. Furthermore, another study by McCloskey revealed that, for a 100-pound/year drug (very similar to clodronate), 'cost effective' intervention threshold is about 7-10%. In conclusion, clodronate prevents fractures, decrease osteo-articular pain, is easy to handle, tolerable and had a great cost/benefit relationship.
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Affiliation(s)
- Bruno Frediani
- Medical and Surgical Science and Neuroscience Department, Rheumatology Section, University of Siena, O.U. of Osteo-Articular Diagnostic Procedures, Siena, Italy
| | - Ilaria Bertoldi
- Medical and Surgical Science and Neuroscience Department, Rheumatology Section, University of Siena, O.U. of Osteo-Articular Diagnostic Procedures, Siena, Italy
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Jawed H, Anjum S, Awan SI, Simjee SU. Anti-arthritic effect of GN1, a novel synthetic analog of glucosamine, in the collagen-induced arthritis model in rats. Inflamm Res 2011; 60:1113-20. [PMID: 21874354 DOI: 10.1007/s00011-011-0375-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2011] [Revised: 07/18/2011] [Accepted: 08/14/2011] [Indexed: 01/13/2023] Open
Abstract
OBJECTIVE Glucosamine is a naturally occurring amino monosaccharide that maintains the elasticity and strength of the cartilage tissues. It has been used to treat osteoarthritis in humans; however, in severe conditions of inflammation and pain, glucosamine alone is not enough, and it is important to improve its biological activity. Our research group has recently taken an interest in the synthetic manipulation of amino sugars to develop some efficient pharmacophores, e.g., β-D-glucosamine, to combat rheumatoid arthritis, and tested its anti-arthritic effects in the collagen-induced arthritis (CIA) model in rats. METHODS Arthritis was induced in female Sprague-Dawley rats by multiple intradermal injections of bovine type II collagen and challenged again with the same antigen preparation 7 days later. Arthritis was evaluated by arthritic score, body weight loss, paw volume measurement, and histological changes. RESULTS The animals in the arthritic control group showed a gradual decrease in their body weight and concurrent increase in the paw volumes compared to the normal control group. In contrast, increased hind paw swelling was significantly suppressed with no further noticeable reduction in body weight in the glucosamine (p < 0.05) and GN1-treated (p < 0.02) arthritic animals. Histopathological evaluation of isolated knee joints by grading system and classification of the stages in arthritic lesion development revealed suppression of the inflammatory changes in the GN1-treated animals. Moreover, both the pro-inflammatory markers C-reactive protein (CRP) and low-density lipoprotein (LDL) levels were found to be significantly decreased in animals treated with GN1 (p < 0.03 for CRP and p < 0.05 for LDL) compared to the arthritic control group. CONCLUSION These results suggest that GN1 has both anti-arthritic and anti-inflammatory properties. Its effects in the CIA model suggest that it could be useful in the treatment of rheumatoid arthritis.
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Affiliation(s)
- Huma Jawed
- Pharmacology Unit, Lab. # 314, H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
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Frediani B, Cavalieri L, Cremonesi G. Clodronic acid formulations available in Europe and their use in osteoporosis: a review. Clin Drug Investig 2009; 29:359-79. [PMID: 19432497 DOI: 10.2165/00044011-200929060-00001] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Clodronic acid (Cl(2)-MBP [dichloromethylene bisphosphonic acid], clodronate) is a halogenated non-nitrogen-containing bisphosphonate with antiresorptive efficacy in a variety of diseases associated with excessive bone resorption. The drug is believed to inhibit bone resorption through induction of osteoclast apoptosis, but appears also to possess anti-inflammatory and analgesic properties that contrast with the acute-phase and inflammatory effects seen with nitrogen-containing bisphosphonates. Clodronic acid has been shown to be effective in the maintenance or improvement of bone mineral density when given orally, intramuscularly or intravenously in patients with osteoporosis. Use of the drug is also associated with reductions in fracture risk. The intramuscular formulation, which is given at a dose of 100 mg weekly or biweekly, is at least as effective as daily oral therapy and appears more effective than intermittent intravenous treatment. Intramuscular clodronic acid in particular has also been associated with improvements in back pain. The drug is well tolerated, with no deleterious effects on bone mineralization, and use of parenteral therapy eliminates the risk of gastrointestinal adverse effects that may be seen in patients receiving bisphosphonate therapy.
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Affiliation(s)
- Bruno Frediani
- Istituto di Reumatologia, Universita' di Siena, Siena, Italy.
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Kaivosoja SM, Mattila PT, Knuuttila MLE. Dietary xylitol protects against the imbalance in bone metabolism during the early phase of collagen type II-induced arthritis in dark agouti rats. Metabolism 2008; 57:1052-5. [PMID: 18640381 DOI: 10.1016/j.metabol.2008.03.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2006] [Accepted: 03/17/2008] [Indexed: 11/17/2022]
Abstract
The aim of the present study was to evaluate the changes in bone metabolism during the early phase of type II collagen-induced arthritis in rats and to evaluate whether a 10% dietary xylitol supplementation is able to protect against these changes. Arthritis was induced in female dark agouti rats by injections of type II homologous rat collagen emulsified with an equal volume of incomplete Freund adjuvant. In one group, the diet was supplemented with 10% xylitol. After 17 days, the rats were killed. Serum osteocalcin, as a marker of bone formation, and serum tartrate-resistant acid phosphatase, as a marker of bone resorption, were measured. Histologic measurements were made from Masson-Goldner trichrome-stained sections of distal tibiae. All the collagen-injected rats had arthritic symptoms at the end of the experiment. Serum osteocalcin was significantly higher in the collagen-injected rats fed a xylitol-supplemented diet (CI-X) than in the collagen-injected rats not fed xylitol (CI) and in the controls. Serum tartrate-resistant acid phosphatase was significantly higher in the CI and CI-X groups than in the controls. Trabecular bone volume was significantly lower in the CI group as compared with the CI-X and control groups. These results suggest that, at the time of the appearance of arthritic symptoms, bone resorption activity is high, but bone formation is not severely affected. Furthermore, dietary xylitol seems to protect against the imbalance of bone metabolism during the early phase of collagen type II-induced arthritis.
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Toussirot E, Wendling D. Antiinflammatory treatment with bisphosphonates in ankylosing spondylitis. Curr Opin Rheumatol 2007; 19:340-5. [PMID: 17551363 DOI: 10.1097/bor.0b013e328133f57b] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW Bisphosphonates are antiosteoclastic agents widely used in the treatment of bone diseases. They also have antiinflammatory properties suggested by a clinical amelioration in animal models of arthritis. Bisphosphonates act on cells from the monocyte/macrophage lineage and may modulate the generation of proinflammatory cytokines. Ankylosing spondylitis is characterized by bone marrow subchondral inflammation with the presence of T cells and macrophages, and osteoporosis is a well known complication of the disease. Thus, bisphosphonates may be reasonably used as a therapeutic agent in ankylosing spondylitis. RECENT FINDINGS Different open trials have shown that the amino bisphosphonate pamidronate ameliorated the clinical symptoms of ankylosing spondylitis, mainly axial disease, and in one study, peripheral arthritis. Laboratory parameters of inflammation were, in general, not influenced while biochemical markers of bone turnover fell significantly under pamidronate. Imaging modifications of the inflammatory lesions using MRI were also improved with pamidronate. A dose-controlled study demonstrated a higher efficacy for 60 mg pamidronate compared with a 10 mg dose. SUMMARY The amino bisphosphonate pamidronate has shown clinical and radiological amelioration in ankylosing spondylitis patients, although this improvement is mild and transient. Additional studies are required to better define the real impact of pamidronate on ankylosing spondylitis and its place among the different treatment options for the disease.
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Affiliation(s)
- Eric Toussirot
- Department of Rheumatology, University Hospital Jean Minjoz, Besançon cedex, France.
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Abstract
Inflammatory synovitis induces profound bone loss and OCLs are the instrument of this destruction. TNF blockers have an established role in the prevention of inflammatory bone loss in RA; however, not all patients respond to anti-TNF therapy and side effects may prevent long-term treatment in others. The B-cell--depleting antibody rituximab and the T-cell costimulation blocker abatacept are emerging as major treatment options for patients who are resistant to anti-TNF [96,97]. Proof-of-concept studies demonstrate that targeting RANK-mediated osteoclastogenesis prevents inflammatory bone loss and clinical application has only just begun. The efficacy of RANKL inhibition has been witnessed in trials of Denosumab, and RANKL-neutralizing antibodies are likely to become the treatment of choice for blocking RANKL in RA [77,78]. A major limitation of RANKL antagonism is that it does not treat synovitis. Therefore, anti-RANKL therapy most likely will be used in the context of MTX therapy. There is uncertainty about the possible extraskeletal adverse effects of long-term effects of long-term RANKL blockade. In particular, anti-RANKL therapy could jeopardize dendritic cell function or survival. The demonstrable role of OCLs in inflammation-induced bone loss also invites a reconsideration of the new BPs for bone protection [98]. Studies of ZA in preclinical models indicate that bone protection is comparable to that afforded by OPG. One possible caveat is that intravenous BPs are linked to jaw osteonecrosis [99], although the incidence is confined mainly to intensive treatment in the oncology setting. Although pulsed PTH stimulated bone formation in arthritic models, it has yet to be proven clinically in the context of powerful OCL inhibition with TNF or RANKL antagonists. With strategies that normalize OCL numbers, clinicians are poised to accomplish effective prevention of inflammation-induced bone loss.
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Affiliation(s)
- Evange Romas
- The University of Melbourne, St. Vincent's Hospital, 41 Victoria Parade, Fitzroy, 3065, Australia.
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Tanaka M, Mitamura M, Xiang A, Yonekawa T, Kaise T, Kikkawa H, Asano S, Kinoshita M. Effects of Alendronate and Prednisolone on a Model of Rheumatoid Arthritis in Mice. J Toxicol Pathol 2007. [DOI: 10.1293/tox.20.21] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Affiliation(s)
- Masaharu Tanaka
- Pharmacology Department, Tsukuba Research Laboratories, High Throughput Biology, Discovery Research, GlaxoSmithKline
| | - Mana Mitamura
- Pharmacology Department, Tsukuba Research Laboratories, High Throughput Biology, Discovery Research, GlaxoSmithKline
| | - Anbo Xiang
- Pharmacology Department, Tsukuba Research Laboratories, High Throughput Biology, Discovery Research, GlaxoSmithKline
| | - Taeko Yonekawa
- Pharmacology Department, Tsukuba Research Laboratories, High Throughput Biology, Discovery Research, GlaxoSmithKline
| | - Toshihiko Kaise
- Pharmacology Department, Tsukuba Research Laboratories, High Throughput Biology, Discovery Research, GlaxoSmithKline
| | - Hideo Kikkawa
- Pharmacology Department, Tsukuba Research Laboratories, High Throughput Biology, Discovery Research, GlaxoSmithKline
| | - Satoshi Asano
- Pharmacology Department, Tsukuba Research Laboratories, High Throughput Biology, Discovery Research, GlaxoSmithKline
| | - Mine Kinoshita
- Pharmacology Department, Tsukuba Research Laboratories, High Throughput Biology, Discovery Research, GlaxoSmithKline
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Liu L, Igarashi K, Kanzaki H, Chiba M, Shinoda H, Mitani H. Clodronate inhibits PGE(2) production in compressed periodontal ligament cells. J Dent Res 2006; 85:757-60. [PMID: 16861295 DOI: 10.1177/154405910608500813] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Periodontal ligament (PDL) cells play an essential role in orthodontic tooth movement. We recently reported that clodronate, a non-N-containing bisphosphonate, strongly inhibited tooth movement in rats, and thus could be a useful adjunct for orthodontic treatment. However, it is not clear how clodronate affects the responses of PDL cells to orthodontic force. In this study, we hypothesized that clodronate prevents the mechanical stress-induced production of prostaglandin E(2) (PGE(2)), interleukin-1beta (IL-1beta), and nitric oxide (NO) in human PDL cells. A compressive stimulus caused a striking increase in PGE(2) production, while the responses of IL-1beta and NO were less marked. Clodronate concentration-dependently inhibited the stress-induced production of PGE(2). Clodronate also strongly inhibited stress-induced gene expression for COX-2 and RANKL. These results suggest that the inhibitory effects of clodronate on tooth movement and osteoclasts may be due, at least in part, to the inhibition of COX-2-dependent PGE(2) production and RANKL expression in PDL cells.
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Affiliation(s)
- L Liu
- Division of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan
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Romas E. Bone loss in inflammatory arthritis: mechanisms and therapeutic approaches with bisphosphonates. Best Pract Res Clin Rheumatol 2006; 19:1065-79. [PMID: 16301197 DOI: 10.1016/j.berh.2005.06.008] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The inflammatory process in rheumatoid arthritis provokes intense bone resorption, evidenced as bone erosions, juxta-articular osteopenia and generalized osteoporosis. These types of bone loss share a common pathogenesis, and the role of osteoclasts in focal bone erosion was verified in elegant animal studies. The tumour necrosis factor (TNF) family of cytokines and receptors--specifically TNF-alpha, RANKL, RANK and OPG--are dominant regulators of osteoclastic bone resorption in rheumatoid arthritis. The confirmation of the osteoclast mechanism provides new insight into the structural joint protection afforded by disease-modifying drugs and suggests innovative approaches to limit bone destruction. Emerging treatment strategies for bone disease in rheumatoid arthritis are the use of monoclonal antibodies to neutralize RANKL, and powerful bisphosphonates that target pathogenic osteoclasts.
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Affiliation(s)
- Evan Romas
- Department of Medicine, St Vincent's Hospital, The University of Melbourne, 41 Victoria Parade, Fitzroy, Vic. 3065, Australia.
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Kannan K, Ortmann RA, Kimpel D. Animal models of rheumatoid arthritis and their relevance to human disease. ACTA ACUST UNITED AC 2006; 12:167-81. [PMID: 16171986 DOI: 10.1016/j.pathophys.2005.07.011] [Citation(s) in RCA: 158] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Rodent models of rheumatoid arthritis (RA) are useful tools to study the pathogenic process of RA. Among the most widely used models of RA are the streptococcal cell wall (SCW) arthritis model and the collagen-induced arthritis (CIA). Both innate and adaptive immune mechanisms are involved in these rodent models. While no models perfectly duplicate the condition of human RA, they are easily reproducible, well defined and have proven useful for development of new therapies for arthritis, as exemplified by cytokine blockade therapies. Besides SCW and CIA models, there are numerous others including transgenic models such as K/BxN, induced models such as adjuvant-induced and pristane models, and spontaneous models in certain mouse strains, that have been used to help understand some of the underlying mechanisms. This review provides an update and analysis of RA models in mice and rats. The array of models has provided rheumatologists and immunologists a means to understand the multifactorial disease in humans, to identify new drug targets, and to test new therapies.
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Affiliation(s)
- Krishnaswamy Kannan
- Department of Internal Medicine, Division of Rheumatology and Immunology, University of Virginia Health System, P.O. Box 800412, Charlottesville, VA 22908, USA
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Yamamoto K, Yoshino S, Shue G, Nagashima M. Inhibitory effect of bone resorption and inflammation with etidronate therapy in patients with rheumatoid arthritis for 3 years and in vitro assay in arthritis models. Rheumatol Int 2005; 26:627-32. [PMID: 16133581 DOI: 10.1007/s00296-005-0042-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2005] [Accepted: 08/06/2005] [Indexed: 11/26/2022]
Abstract
This study was conducted to identify bone resorption and anti-inflammatory effects with intermittent cyclical etidronate therapy (ICET) in patients with rheumatoid arthritis, and anti-inflammatory effect of etidronate in vitro. We compared bone mineral density (BMD), urinary deoxypyridinoline (DPD) level, bone alkaline phosphatase (BAP) level and Larsen damage scores between the ICET and the non-ICET groups for 3 years. The levels of interleukin-6 (IL-6), prostaglandin E2 (PGE2), substance P and vascular endothelial growth factor (VEGF) in synovial cells from arthritis models were measured following the addition of etidronate. In the ICET group, BMD and BAP levels increased. Urinary DPD level and the Larsen damage score were significantly lower than that in the non-ICET group. In the in vitro study, the production of IL-6, PGE2, substance P and VEGF were inhibited in a dose-dependent manner. Bone resorption and destruction inhibition effect of etidronate remained for 3 years. In vitro study showed that the production of inflammatory cytokines and an angiogenesis factor were inhibited.
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Affiliation(s)
- Kaname Yamamoto
- Department of Joint Disease and Rheumatism, Nippon Medical School, 1-1-5 Sendagi, Tokyo 113-8603, Japan
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Akiyama T, Mori S, Mashiba T, Miyamoto K, Komatsubara S, Cao Y, Manabe T, Norimatsu H, Dobashi H, Tokuda M. Incadronate disodium inhibits joint destruction and periarticular bone loss only in the early phase of rat adjuvant-induced arthritis. J Bone Miner Metab 2005; 23:295-301. [PMID: 15981025 DOI: 10.1007/s00774-004-0602-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2004] [Accepted: 12/22/2004] [Indexed: 10/25/2022]
Abstract
Destruction of articular cartilage and subchondral bone loss in the affected joints of rat adjuvant arthritis have never been quantified histologically. This study aimed to evaluate the effect of incadronate disodium on joint destruction and periarticular bone loss, using histomorphometric measurements. Seven-week-old female Lewis rats were injected with 0.1 mg of heat-killed Mycobacterium butyricum into the tail base. Immediately after sensitization, vehicle, or incadronate at 10 or 100 microg/kg per day, was administered subcutaneously, three times per week. Hind-paw volume was measured weekly and the animals were killed at 2, 4, 6, and 10 weeks after sensitization. After taking X-rays, decalcified sagittal sections of the ankle joint were prepared and stained with toluidine blue and tartarate-resistant acid phosphatase. Articular cartilage destruction and subchondral bone loss were evaluated histomorphometrically. At 2 weeks after sensitization, no radiographic or histologic changes were observed. However, at 4 weeks, severe articular cartilage destruction and subchondral bone loss were found in the arthritic control group, while these changes were inhibited dose-dependently by incadronate treatment. At 6 and 10 weeks, both the destructive changes and the bone loss had further progressed, and they were not inhibited by incadronate treatment. Incadronate dose-dependently inhibited articular cartilage destruction and subchondral bone loss at 4 weeks after sensitization in this adjuvant arthritis model. However, the suppressive effects of incadronate did not continue until 6 and 10 weeks.
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Affiliation(s)
- Tomoyuki Akiyama
- Department of Orthopedic Surgery, Faculty of Medicine, Kagawa University, 1750-1 Ikenobe, Miki-cho, Kagawa 761-0793, Japan
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Sims NA, Green JR, Glatt M, Schlict S, Martin TJ, Gillespie MT, Romas E. Targeting osteoclasts with zoledronic acid prevents bone destruction in collagen-induced arthritis. ACTA ACUST UNITED AC 2004; 50:2338-46. [PMID: 15248235 DOI: 10.1002/art.20382] [Citation(s) in RCA: 106] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVE To study the effect of zoledronic acid (ZA) on synovial inflammation, structural joint damage, and bone metabolism in rats during the effector phase of collagen-induced arthritis (CIA). METHODS CIA was induced in female dark agouti rats. At the clinical onset of CIA, rats were assigned to treatment with vehicle or single subcutaneous doses of ZA (1.0, 10, 50, or 100 microg/kg). Clinical signs in all 4 paws were scored on a daily basis. After 2 weeks, the joints in the hind paws were assessed using plain radiographs, microfocal computed tomography (micro-CT), histologic scoring, and histomorphometry, and the serum levels of type I collagen crosslinks were measured by enzyme-linked immunosorbent assay. RESULTS Although ZA mildly exacerbated synovitis, it effectively suppressed structural joint damage. At doses of >/=10 microg/kg, ZA significantly reduced radiographic bone erosions, Larsen scores, and juxtaarticular trabecular bone loss as quantified by micro-CT. ZA prevented increased type I collagen (bone) breakdown in CIA and diminished histologic scores of focal bone erosion by up to 80%. Increases in the percentage of eroded surface, osteoclast surface, and osteoclast numbers associated with CIA were prevented by ZA, even though synovitis scores were unchanged. CONCLUSION Single doses (>/=10 microg/kg) of ZA strikingly reduced focal bone erosions and juxtaarticular trabecular bone loss, although synovitis was mildly exacerbated. Targeting osteoclasts with ZA may therefore be an effective strategy for preventing structural joint damage in rheumatoid arthritis.
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Affiliation(s)
- Natalie A Sims
- St. Vincent's Hospital, University of Melbourne, Melbourne, Victoria, Australia
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Hayami T, Pickarski M, Wesolowski GA, McLane J, Bone A, Destefano J, Rodan GA, Duong LT. The role of subchondral bone remodeling in osteoarthritis: reduction of cartilage degeneration and prevention of osteophyte formation by alendronate in the rat anterior cruciate ligament transection model. ACTA ACUST UNITED AC 2004; 50:1193-206. [PMID: 15077302 DOI: 10.1002/art.20124] [Citation(s) in RCA: 422] [Impact Index Per Article: 21.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
OBJECTIVE It has been suggested that subchondral bone remodeling plays a role in the progression of osteoarthritis (OA). To test this hypothesis, we characterized the changes in the rat anterior cruciate ligament transection (ACLT) model of OA and evaluated the effects of alendronate (ALN), a potent inhibitor of bone resorption, on cartilage degradation and on osteophyte formation. METHODS Male Sprague-Dawley rats underwent ACLT or sham operation of the right knee. Animals were then treated with ALN (0.03 and 0.24 microg/kg/week subcutaneously) and necropsied at 2 or 10 weeks postsurgery. OA changes were evaluated. Subchondral bone volume and osteophyte area were measured by histomorphometric analysis. Coimmunostaining for transforming growth factor beta (TGF beta), matrix metalloproteinase 9 (MMP-9), and MMP-13 was performed to investigate the effect of ALN on local activation of TGF beta. RESULTS ALN was chondroprotective at both dosages, as determined by histologic criteria and collagen degradation markers. ALN suppressed subchondral bone resorption, which was markedly increased 2 weeks postsurgery, and prevented the subsequent increase in bone formation 10 weeks postsurgery, in the untreated tibial plateau of ACLT joints. Furthermore, ALN reduced the incidence and area of osteophytes in a dose-dependent manner. ALN also inhibited vascular invasion into the calcified cartilage in rats with OA and blocked osteoclast recruitment to subchondral bone and osteophytes. ALN treatment reduced the local release of active TGF beta, possibly via inhibition of MMP-13 expression in articular cartilage and MMP-9 expression in subchondral bone. CONCLUSION Subchondral bone remodeling plays an important role in the pathogenesis of OA. ALN or other inhibitors of bone resorption could potentially be used as disease-modifying agents in the treatment of OA.
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Affiliation(s)
- Tadashi Hayami
- Merck Research Laboratories, West Point, Pennsylvania 19486, USA
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Goldring SR, Gravallese EM. Bisphosphonates: Environmental protection for the joint? ACTA ACUST UNITED AC 2004; 50:2044-7. [PMID: 15248201 DOI: 10.1002/art.20383] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Yamane I, Hagino H, Okano T, Enokida M, Yamasaki D, Teshima R. Effect of minodronic acid (ONO-5920) on bone mineral density and arthritis in adult rats with collagen-induced arthritis. ARTHRITIS AND RHEUMATISM 2003; 48:1732-41. [PMID: 12794842 DOI: 10.1002/art.10987] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
OBJECTIVE To study the effect of minodronic acid (ONO-5920) on bone loss and arthritis in rats with collagen-induced arthritis (CIA) treated according to 2 different schedules. METHODS Four groups of female Sprague-Dawley rats (7 months old) were studied: rats without CIA treated with vehicle (controls), CIA rats treated with vehicle (CIA-V), CIA rats treated therapeutically with minodronic acid (CIA-T), and CIA rats treated prophylactically with minodronic acid (CIA-P). Minodronic acid was administered orally at 0.2 mg/kg 3 times a week, beginning 2 weeks after initial sensitization in the CIA-T rats and beginning the day after initial sensitization in the CIA-P rats. Bone mineral density (BMD) was measured by peripheral quantitative computed tomography in the proximal metaphysis and diaphysis of the tibia every 2 weeks until week 8, when the rats were killed. The BMD and bone microstructure of the excised femur were evaluated by dual x-ray absorptiometry and microfocal computed tomography, respectively. Histomorphometry of the proximal tibia was also performed. RESULTS In CIA-P rats, the incidence of arthritis and the severity of posterior limb swelling were reduced early after sensitization, and the decrease in BMD was prevented throughout the observation period. Bone and joint destruction evaluated by radiography of the foot was reduced in CIA-P rats. The eroded surface was reduced and the microstructure was maintained in CIA-P rats compared with CIA-V rats. The mineral apposition and bone formation rates were not reduced in the CIA-P rats. In CIA-T rats, however, the inflammation was not suppressed and the inhibitory effect on bone loss was smaller than that in CIA-P rats. CONCLUSION Minodronic acid suppressed the decrease in BMD and the deterioration of the bone microstructure caused by arthritis. Prophylactic administration of minodronic acid had a preventive effect on arthritis at the early stage, although not throughout the observation period.
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Affiliation(s)
- Itsuro Yamane
- Department of Orthopedic Surgery, Faculty of Medicine, Tottori University, Yonago, Japan
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Mazzantini M, Di Munno O, Metelli MR, Bulleri M, Giordani R. Single infusion of neridronate (6-amino-1-hydroxyhexylidene-1,1-bisphosphonate) in patients with active rheumatoid arthritis: effects on disease activity and bone resorption markers. Aging Clin Exp Res 2002; 14:197-201. [PMID: 12387527 DOI: 10.1007/bf03324436] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
AIMS The aim of this study was to assess the effects of a single infusion of the bisphosphonate neridronate (N) on parameters of inflammation and bone resorption in rheumatoid arthritis (RA). METHODS Forty-five patients with active RA were randomly allocated on a double blind basis to receive a single intravenous infusion of either N 25 mg (15 patients), N 50 mg (15 patients), or placebo (15 patients). At baseline and after 7 and 21 days, we assessed the following: erythrocyte sedimentation rate (ESR), C-reactive protein (CRP) and Ritchie's articular index as indices of disease activity; and urinary free deoxypyridinoline (DPyr), N-telopeptide of type I collagen (NTx) and hydroxyproline (OHP) as indices of bone resorption. RESULTS At day 7, N 25 mg significantly decreased ESR compared to N 50 mg (p=0.002), and CRP compared to placebo (p=0.036). With regard to bone resorption markers, at day 7, both N 25 mg and 50 mg compared to placebo significantly decreased NTx (p<0.0005 and p=0.003, respectively) and OHP (p=0.001 and p=0.004, respectively). At day 21, N 50 mg significantly decreased OHP compared to placebo (p=0.017). DPyr levels remained unchanged in the three groups. CONCLUSIONS N 25 mg and 50 mg exerted different effects on RA activity parameters, since only the lower dose significantly decreased ESR and CRP. Both doses of N inhibited bone resorption, with a transient, significant reduction in urinary NTx and OHP, but without any effect on DPyr.
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Moran EL, Fornasier TL, Bogoch TR. Pamidronate prevents bone loss associated with carrageenan arthritis by reducing resorptive activity but not recruitment of osteoclasts. J Orthop Res 2000; 18:873-81. [PMID: 11192246 DOI: 10.1002/jor.1100180605] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Carrageenan arthritis is associated with high-turnover bone loss. We sought to determine whether the bisphosphonate pamidronate can modify this effect of inflammatory arthritis. Sixty mature, New Zealand White rabbits were randomly assigned to five groups: normal; normal with a therapeutic dose of pamidronate (300 microg/kg/day, administered subcutaneously); arthritis (induced in the right tibiofemoral joint with 10 intraarticular carrageenan injections); arthritis with a therapeutic dose of pamidronate (300 microg/kg/day, subcutaneous); and arthritis with a low dose of pamidronate (7.5 microg/kg/day, subcutaneous). All animals received the fluorochrome calcein green (0.5 g/l/day) in drinking water ad libitum from days 21 to 49. Undecalcified, transverse sections of the distal femur were photographed or imaged to determine bone volume; new bone volume; resting, eroded, osteoid, and osteoblast perimeters; and osteoclast number. Results were evaluated with analysis of variance and pairwise Bonferroni's tests. In trabecular bone adjacent to the joint affected by carrageenan arthritis, resting perimeter was substantially reduced compared with normal joints, and primary indices of osteoblast and osteoclast activity were abnormally high (p < 0.001). Daily treatment with a therapeutic dose of pamidronate (300 microg/kg/day, subcutaneous) during the induction of arthritis significantly decreased new bone volume, osteoid perimeter, and osteoblast perimeter compared with the untreated arthritis group (p < 0.001). Osteoclast number and eroded perimeter remained abnormally high despite treatment with pamidronate. The concomitant increase of bone volume and these osteoclast indices show that pamidronate prevents bone loss in this model of experimental inflammatory arthritis by inhibiting the resorptive activity, but not the formation or recruitment, of osteoclasts. These findings are relevant to the use of bisphosphonates in the treatment of rheumatoid arthritis.
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Affiliation(s)
- E L Moran
- Orthopaedic Research Laboratory, St. Michael's Hospital, University of Toronto, Ontario, Canada
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Richards PJ, Amos N, Williams AS, Williams BD. Pro-inflammatory effects of the aminobisphosphonate ibandronate in vitro and in vivo. Rheumatology (Oxford) 1999; 38:984-91. [PMID: 10534550 DOI: 10.1093/rheumatology/38.10.984] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
OBJECTIVES To investigate the effects of the aminobisphosphonate, ibandronate, on the course of joint inflammation in rat antigen-induced arthritis (AIA) and the release of pro-inflammatory cytokines in partially purified human peripheral blood mononuclear cells (PBMC). METHODS Rats with AIA received a single intra-articular injection of ibandronate (1 mg) 7 days post-arthritis induction and knee swelling was measured for 7 days thereafter. The effects of ibandronate (300 microg/ml) on PBMC cytokine production and activation marker expression were determined using polymerase chain reaction (PCR)/ELISA and FACS analysis, respectively. RESULTS Joint swelling, associated with AIA, was sustained in ibandronate-treated rats compared with saline-treated control rats. Ibandronate stimulated the production of interferon gamma (IFN-gamma) in adherent PBMC, and increased the surface expression of FcgammaRI and HLA DP, DQ, DR on the adherent monocyte population. Activation by lipopolysaccharide (LPS) of PBMC previously incubated with ibandronate led to enhanced levels of tumour necrosis factor alpha (TNF-alpha) secretion, and this could be partially inhibited by neutralizing antibodies to IFN-gamma. CONCLUSIONS The enhanced production of TNF-alpha by ibandronate-treated PBMC in vitro involves stimulation of adherent monocytes by IFN-gamma prior to LPS-induced activation. Similar cellular interactions may be involved in the pro-inflammatory effects of ibandronate in vivo.
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Affiliation(s)
- P J Richards
- Rheumatology Research Laboratory, University of Wales College of Medicine, Heath Park, Cardiff CF4 4XN, UK
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Oelzner P, Bräuer R, Henzgen S, Thoss K, Wünsche B, Hersmann G, Abendroth K, Kinne RW. Periarticular bone alterations in chronic antigen-induced arthritis: free and liposome-encapsulated clodronate prevent loss of bone mass in the secondary spongiosa. Clin Immunol 1999; 90:79-88. [PMID: 9884355 DOI: 10.1006/clim.1998.4623] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The long-term effects of acutely administered clodronate (free or liposome-encapsulated) on periarticular bone mass and bone turnover were investigated in chronic antigen-induced arthritis (AIA; day 28). Wistar rats were treated intraperitoneally at 3 h and on days 1, 2, and 7 of AIA, with phosphate-buffered saline (PBS; sham), PBS-containing liposomes, free clodronate, or liposome-encapsulated clodronate (cumulative dose, 3.64 mg/animal). In the primary spongiosa (</=1 mm from the growth plate) sham-treated AIA was associated with a significant decrease (-31%) of trabecular bone volume only; this change was not prevented by any treatment. In the secondary spongiosa (>1.25 mm from the growth plate), sham-treated AIA was associated with: (a) a marked significant decrease in trabecular bone volume (-56%); (b) a significant increase of osteoid-covered surface (+135%); and (c) a numerical increase of resorption surface with osteoclasts (+96%). In the secondary spongiosa, free clodronate completely prevented the loss of periarticular bone mass and selectively normalized the parameters of bone formation (i.e., osteoid-covered surface and osteoid-covered surface with osteoblasts). Clodronate liposomes, in addition to these effects, also significantly suppressed bone resorption (i.e., resorption surface covered with osteoclasts). The effects of clodronate liposomes coincided with in vivo targeting of osteoclasts in primary and secondary spongiosa. Thus, low-dose, acutely administered clodronate, both in free and encapsulated forms, exerts an excellent preventive effect on bone loss in the secondary spongiosa of chronic AIA.
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Affiliation(s)
- P Oelzner
- Department of Internal Medicine IV, Friedrich Schiller University of Jena, Jena, Germany
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Affiliation(s)
- H Fleisch
- Department of Pathophysiology, University of Berne, Switzerland.
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