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Auerbach M, Henry D, DeLoughery TG. Intravenous ferric derisomaltose for the treatment of iron deficiency anemia. Am J Hematol 2021; 96:727-734. [PMID: 33580972 PMCID: PMC8248147 DOI: 10.1002/ajh.26124] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 02/04/2021] [Accepted: 02/06/2021] [Indexed: 01/09/2023]
Abstract
Intravenous (IV) iron is the therapy of choice when oral iron is ineffective or poorly tolerated, yet use has been limited by fears of hypersensitivity reactions (HSRs). Newer formulations that bind iron more tightly and release it more slowly have made the risk of serious or severe HSRs very low. One such formulation, ferric derisomaltose, has been approved in the United States for delivery of 1000 mg iron in a single IV infusion. Ferric derisomaltose rapidly repletes iron parameters with low rates of serious or severe HSRs. Single-infusion iron repletion offers convenience, eliminates adherence concerns, and reduces healthcare resource utilization.
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Affiliation(s)
- Michael Auerbach
- Department of Medicine Georgetown University School of Medicine Washington District of Columbia
| | - David Henry
- Department of Medicine, Division of Hematology and Oncology Pennsylvania Hospital Philadelphia Pennsylvania
| | - Thomas G. DeLoughery
- Department of Hematology and Medical Oncology, Knight Cancer Center Oregon Health & Sciences University Oregon Portland
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Anemia of Inflammation with An Emphasis on Chronic Kidney Disease. Nutrients 2019; 11:nu11102424. [PMID: 31614529 PMCID: PMC6835368 DOI: 10.3390/nu11102424] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 09/29/2019] [Accepted: 09/30/2019] [Indexed: 01/28/2023] Open
Abstract
Iron is vital for a vast variety of cellular processes and its homeostasis is strictly controlled and regulated. Nevertheless, disorders of iron metabolism are diverse and can be caused by insufficiency, overload or iron mal-distribution in tissues. Iron deficiency (ID) progresses to iron-deficiency anemia (IDA) after iron stores are depleted. Inflammation is of diverse etiology in anemia of chronic disease (ACD). It results in serum hypoferremia and tissue hyperferritinemia, which are caused by elevated serum hepcidin levels, and this underlies the onset of functional iron-deficiency anemia. Inflammation is also inhibitory to erythropoietin function and may directly increase hepcidin level, which influences iron metabolism. Consequently, immune responses orchestrate iron metabolism, aggravate iron sequestration and, ultimately, impair the processes of erythropoiesis. Hence, functional iron-deficiency anemia is a risk factor for several ailments, disorders and diseases. Therefore, therapeutic strategies depend on the symptoms, severity, comorbidities and the associated risk factors of anemia. Oral iron supplements can be employed to treat ID and mild anemia particularly, when gastrointestinal intolerance is minimal. Intravenous (IV) iron is the option in moderate and severe anemic conditions, for patients with compromised intestinal integrity, or when oral iron is refractory. Erythropoietin (EPO) is used to treat functional iron deficiency, and blood transfusion is restricted to refractory patients or in life-threatening emergency situations. Despite these interventions, many patients remain anemic and do not respond to conventional treatment approaches. However, various novel therapies are being developed to treat persistent anemia in patients.
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Auerbach M, Macdougall I. The available intravenous iron formulations: History, efficacy, and toxicology. Hemodial Int 2017; 21 Suppl 1:S83-S92. [DOI: 10.1111/hdi.12560] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Michael Auerbach
- Auerbach Hematology and Oncology, Private Practice; Rosedale Maryland USA
- Georgetown University School of Medicine; Washington, District of Columbia USA
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Schatz U, Illigens B, Siepmann T, Arneth B, Siegert G, Siegels D, Heigl F, Hettich R, Ramlow W, Prophet H, Bornstein S, Julius U. TIDILAP: Treatment of iron deficiency in lipoprotein apheresis patients – A prospective observational multi-center cohort study comparing efficacy, safety and tolerability of ferric gluconate with ferric carboxymaltose. ATHEROSCLEROSIS SUPP 2015; 18:199-208. [DOI: 10.1016/j.atherosclerosissup.2015.02.030] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Auerbach M, Goodnough LT, Shander A. Iron: The new advances in therapy. Best Pract Res Clin Anaesthesiol 2013; 27:131-40. [DOI: 10.1016/j.bpa.2012.12.001] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2012] [Accepted: 12/17/2012] [Indexed: 01/04/2023]
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Iron deficiency and its management in patients undergoing lipoprotein apheresis. Comparison of two parenteral iron formulations. ATHEROSCLEROSIS SUPP 2013; 14:115-22. [DOI: 10.1016/j.atherosclerosissup.2012.10.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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7
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Coyne DW. It's time to compare anemia management strategies in hemodialysis. Clin J Am Soc Nephrol 2010; 5:740-2. [PMID: 20299363 DOI: 10.2215/cjn.02490409] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Randomized trials of intravenous (IV) iron have repeatedly demonstrated a rise in hemoglobin (Hgb), an erythropoiesis-stimulating agent (ESA) dose-sparing effect, and apparent safety. Such benefits were confirmed in a trial in hemodialysis patients with high ferritin receiving high ESA doses. But long-term randomized safety trials of IV iron have not been performed, which critics blame on IV iron manufacturers, leading some to question widespread use of IV iron to optimize Hgb and reduce ESA dose. ESAs increase risks of cardiovascular events and death when used to target higher versus lower Hgb values. Association studies report increasing risk with higher ESA doses at approved Hgb targets. Nevertheless, ESAs remain essential in dialysis practice. After early termination of the Normal Hematocrit Trial in 1996, analysis suggested IV iron was a risk factor for harm. In 2006, dangers related to ESA use were recognized. Trial results demonstrating IV iron was efficacious and ESA-sparing even at higher serum ferritin have intensified the focus on iron safety. Two principal alternatives in the management of anemia among dialysis patients are: (1) more intensive ESA dosing sparing iron dosing and (2) more intensive iron dosing sparing ESA dosing. Extended safety trials of IV iron versus no iron will become confounded by ESA dose differences between arms. Similarly higher ESA doses are associated with increased mortality risk, but trials comparing ESA doses will be confounded by Hgb differences. Rather than focus on individual products, we should perform trials comparing anemia management strategies to assess safety, efficacy, and cost.
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Affiliation(s)
- Daniel W Coyne
- Washington University School of Medicine, 660 South Euclid Avenue, Campus Box 8129, St. Louis, MO 63110, USA.
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Anirban G, Kohli HS, Jha V, Gupta KL, Sakhuja V. The comparative safety of various intravenous iron preparations in chronic kidney disease patients. Ren Fail 2008; 30:629-38. [PMID: 18661414 DOI: 10.1080/08860220802134631] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
The relative safety of parenteral iron preparations is a controversial issue in the management of anemia in chronic kidney disease (CKD), as direct head-to-head comparative trials are lacking. In this study, patients of CKD were randomized to receive intravenous low molecular weight iron dextran (ID), sodium ferrigluconate complex (SFGC), and iron sucrose (IS) at doses and infusion rates recommended by the product manufacturer. One time test dose was used only for ID and SFGC. A total of 2,980 injections (n = 339) of i.v. iron was given, and 49 patients (14.45% per patient) and a total of 56 adverse events (1.88% per infusion) were noted. Odds ratios (OR) of serious adverse drug events (ADE; i.e., death, anaphylaxis, or suspected immuno-allergic events) per patient was not significant between ID vs. SFGC (3.566) and SFGC vs. IS (2.129), whereas that between ID vs. IS (7.594) was highly significant (p = 0.034). OR of serious ADE exposure was significantly higher in ID vs. SFGC (OR = 5.670, p = 0.0147) and ID vs. IS (OR = 7.799, p < 0.001). No significant difference was seen between the three groups in terms of non-serious ADEs. Drug discontinuation occurred significantly more often with ID. One patient who developed anaphylactoid reaction with SFGC and ID tolerated iron sucrose well.
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Affiliation(s)
- Ganguli Anirban
- Department of Nephrology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
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Notebaert E, Chauny JM, Albert M, Fortier S, Leblanc N, Williamson DR. Short-term benefits and risks of intravenous iron: a systematic review and meta-analysis. Transfusion 2007; 47:1905-18. [PMID: 17880619 DOI: 10.1111/j.1537-2995.2007.01415.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND Intravenous (IV) iron may correct anemia more efficiently than oral iron, but it has been associated with allergic and hemodynamic reactions, and it may increase the risks of infectious complications. The objective of this systematic review and meta-analysis was to clarify these controversial issues. STUDY DESIGN AND METHODS Studies evaluating the use of IV iron compared to enteral or no iron with outcomes within 2 months of treatment initiation were identified. Only randomized controlled trials were included. When a meta-analysis was possible, studies were combined with the Review Manager of the Cochrane Collaboration Group 2003. Statistics were calculated as standardized mean differences (SMDs), with a random-effect model. RESULTS Thirteen studies met inclusion criteria. Meta-analysis revealed a significant increase in the reticulocyte count (SMD, 0.70; 95% confidence interval [CI], 0.10-1.29; p = 0.02) and in ferritin levels (SMD, 1.18; 95% CI, 0.69-1.68; p = 0.00001), but it also showed that in such a short period of time, IV iron does not correct hemoglobin (Hb)-hematocrit (Hct) better than enteral or no iron. In a sensitivity analysis, however, the increase in Hb-Hct became significant in the nondextran group (SMD, 0.27; 95% CI, 0.04-0.51; p = 0.02). No increase in transferrin saturation was observed. Meta-analysis of the allergic and hemodynamic reactions was not possible as most studies did not clearly describe these outcomes. CONCLUSION Our results suggest that treatment with nondextran IV iron may benefit a wide variety of patients. Randomized controlled studies are definitively needed to further evaluate the usefulness and safety of IV iron.
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Affiliation(s)
- Eric Notebaert
- Department of Intensive Care, Cité de la Santé de Laval, 1755 Boulevard René Laennec, Laval, Québec, Canada.
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Henry DH, Dahl NV, Auerbach M, Tchekmedyian S, Laufman LR. Intravenous ferric gluconate significantly improves response to epoetin alfa versus oral iron or no iron in anemic patients with cancer receiving chemotherapy. Oncologist 2007; 12:231-42. [PMID: 17296819 DOI: 10.1634/theoncologist.12-2-231] [Citation(s) in RCA: 196] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
PURPOSE To evaluate the safety and efficacy of intravenous (IV) sodium ferric gluconate complex (FG), oral ferrous sulfate, or no iron to increase hemoglobin (Hb) in anemic cancer patients receiving chemotherapy and epoetin alfa. PATIENTS AND METHODS In this open-label, multicenter trial, 187 patients with chemotherapy-related anemia (Hb <11 g/dl; serum ferritin > or =100 ng/ml or transferrin saturation > or =15%) scheduled to receive chemotherapy and epoetin alfa (40,000 U subcutaneously weekly) were randomized to 8 weeks of 125 mg of IV FG weekly, 325 mg of oral ferrous sulfate three times daily, or no iron. The primary outcome was a change in Hb from baseline to endpoint, first whole-blood or red blood cell transfusion, or study withdrawal. RESULTS One hundred twenty-nine patients were evaluable for efficacy (FG, n = 41; oral iron, n = 44; no iron, n = 44). Mean increase in Hb was 2.4 g/dl (95% confidence interval [CI], 2.1-2.7) for FG (p = .0092 vs. oral iron; p = .0044 vs. no iron), 1.6 g/dl (95% CI, 1.1-2.1) for oral iron (p =.7695 vs. no iron), and 1.5 g/dl (95% CI, 1.1-1.9) for no iron. Hb response (increase > or =2 g/dl) was 73% for FG (p = .0099 vs. oral iron; p = .0029 vs. no iron), 46% for oral iron (p = .6687 vs. no iron), and 41% for no iron. FG was well tolerated. CONCLUSION For cancer patients with chemotherapy-related anemia receiving epoetin alfa, FG produces a significantly greater increase in Hb and Hb response compared with oral iron or no iron, supporting more aggressive treatment with IV iron supplementation for these patients.
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Affiliation(s)
- David H Henry
- Joan Karnell Cancer Center, Pennsylvania Hospital, 230 West Washington Square, Philadelphia, PA 19106, USA.
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Coyne DW, Kapoian T, Suki W, Singh AK, Moran JE, Dahl NV, Rizkala AR. Ferric gluconate is highly efficacious in anemic hemodialysis patients with high serum ferritin and low transferrin saturation: results of the Dialysis Patients' Response to IV Iron with Elevated Ferritin (DRIVE) Study. J Am Soc Nephrol 2007; 18:975-84. [PMID: 17267740 DOI: 10.1681/asn.2006091034] [Citation(s) in RCA: 308] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
Few data exist to guide treatment of anemic hemodialysis patients with high ferritin and low transferrin saturation (TSAT). The Dialysis Patients' Response to IV Iron with Elevated Ferritin (DRIVE) trial was designed to evaluate the efficacy of intravenous ferric gluconate in such patients. Inclusion criteria were hemoglobin <or=11 g/dl, ferritin 500 to 1200 ng/ml, TSAT <or=25%, and epoetin dosage >or=225 IU/kg per wk or >or=22,500 IU/wk. Patients with known infections or recent significant blood loss were excluded. Participants (n=134) were randomly assigned to no iron (control) or to ferric gluconate 125 mg intravenously with eight consecutive hemodialysis sessions (intravenous iron). At randomization, epoetin was increased 25% in both groups; further dosage changes were prohibited. At 6 wk, hemoglobin increased significantly more (P=0.028) in the intravenous iron group (1.6 +/- 1.3 g/dl) than in the control group (1.1 +/- 1.4 g/dl). Hemoglobin response occurred faster (P=0.035) and more patients responded after intravenous iron than in the control group (P=0.041). Ferritin <or=800 or >800 ng/ml had no relationship to the magnitude or likelihood of responsiveness to intravenous iron relative to the control group. Similarly, the superiority of intravenous iron compared with no iron was similar whether baseline TSAT was above or below the study median of 19%. Ferritin decreased in control subjects (-174 +/- 225 ng/ml) and increased after intravenous iron (173 +/- 272 ng/ml; P<0.001). Intravenous iron resulted in a greater increase in TSAT than in control subjects (7.5 +/- 7.4 versus 1.8 +/- 5.2%; P<0.001). Reticulocyte hemoglobin content fell only in control subjects, suggesting worsening iron deficiency. Administration of ferric gluconate (125 mg for eight treatments) is superior to no iron therapy in anemic dialysis patients receiving adequate epoetin dosages and have a ferritin 500 to 1200 ng/ml and TSAT <or=25%.
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Affiliation(s)
- Daniel W Coyne
- Washington University School of Medicine, 660 S. Euclid Avenue, Campus Box 8129, St. Louis, MO 63110, USA.
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Hörl WH. Iron therapy for renal anemia: how much needed, how much harmful? Pediatr Nephrol 2007; 22:480-9. [PMID: 17206511 PMCID: PMC1805051 DOI: 10.1007/s00467-006-0405-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2006] [Revised: 11/13/2006] [Accepted: 11/14/2006] [Indexed: 11/25/2022]
Abstract
Iron deficiency is the most common cause of hyporesponsiveness to erythropoiesis-stimulating agents (ESAs) in end-stage renal disease (ESRD) patients. Iron deficiency can easily be corrected by intravenous iron administration, which is more effective than oral iron supplementation, at least in adult patients with chronic kidney disease (CKD). Iron status can be monitored by different parameters such as ferritin, transferrin saturation, percentage of hypochromic red blood cells, and/or the reticulocyte hemoglobin content, but an increased erythropoietic response to iron supplementation is the most widely accepted reference standard of iron-deficient erythropoiesis. Parenteral iron therapy is not without acute and chronic adverse events. While provocative animal and in vitro studies suggest induction of inflammation, oxidative stress, and kidney damage by available parenteral iron preparations, several recent clinical studies showed the opposite effects as long as intravenous iron was adequately dosed. Thus, within the recommended international guidelines, parenteral iron administration is safe. Intravenous iron therapy should be withheld during acute infection but not during inflammation. The integration of ESA and intravenous iron therapy into anemia management allowed attainment of target hemoglobin values in the majority of pediatric and adult CKD and ESRD patients.
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Affiliation(s)
- Walter H Hörl
- Division of Nephrology and Dialysis, Department of Medicine III, Medical University of Vienna, Währinger Gürtel 18-20, 1090 Vienna, Austria.
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Warady BA, Zobrist RH, Finan E. Sodium ferric gluconate complex maintenance therapy in children on hemodialysis. Pediatr Nephrol 2006; 21:553-60. [PMID: 16520948 DOI: 10.1007/s00467-006-0042-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2005] [Revised: 11/17/2005] [Accepted: 11/18/2005] [Indexed: 10/24/2022]
Abstract
Intravenous iron therapy is recommended for children and adults who receive hemodialysis (HD) and recombinant human erythropoietin (rHuEPO). However, limited information exists on the use of any maintenance IV iron regimen in children. Therefore, we conducted a prospective, multicenter, open-label trial of maintenance therapy with sodium ferric gluconate complex (SFGC) in iron-replete pediatric HD patients receiving rHuEPO. Patients received SFGC weekly at an initial dose of 1.0 mg kg(-1) week(-1), not to exceed 125 mg. Doses could be adjusted based on iron indices. Twenty-three patients (mean age: 13.2+/-2.39 years) were enrolled and received at least one dose of SFGC, while twelve patients completed the study. After 12 weeks of treatment, the mean SFGC dose delivered was 1.0 mg/kg. Mean TSAT and serum ferritin levels remained within NKF-K/DOQI target ranges and the mean Hgb level remained unchanged from baseline. No unexpected or unusual safety risks were associated with SFGC use. In summary, this experience provides evidence for the safety and efficacy of intravenous SFGC and supports the recommendation that the maintenance SFGC starting dose should be 1.0 mg/kg, not to exceed 125 mg, with subsequent adjustments made according to TSAT and/or serum ferritin levels.
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Affiliation(s)
- Bradley A Warady
- The Children's Mercy Hospital, 2401 Gillham Road, Kansas City, MO 64108, USA.
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Michael B, Fishbane S, Coyne DW, Agarwal R, Warnock DG. Drug Insight: safety of intravenous iron supplementation with sodium ferric gluconate complex. ACTA ACUST UNITED AC 2006; 2:92-100. [PMID: 16932400 DOI: 10.1038/ncpneph0068] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2005] [Accepted: 10/03/2005] [Indexed: 11/09/2022]
Abstract
Intravenous iron is necessary for optimal management of anemia in patients receiving hemodialysis and is utilized in the majority of these patients in the US. The availability of nondextran formulations of intravenous iron has significantly improved the safety of its use. The nondextran iron formulation sodium ferric gluconate complex (SFGC) has been extensively studied in the hemodialysis population, with two large phase IV trials documenting its safety. SFGC is efficacious and, at recommended doses, is associated with a low incidence of adverse events. There have been few comparative studies of the nondextran intravenous iron preparations; however, they are known to have different pharmacokinetic characteristics. There is also evidence to indicate that these compounds differ in terms of their cytotoxic and proinflammatory properties, and their propensity to induce oxidative stress. This paper reviews the current literature on the safety of SFGC and examines the emerging safety issues surrounding the use of intravenous iron.
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Affiliation(s)
- Beckie Michael
- Thomas Jefferson University, Philadelphia, PA 19107, USA.
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Preusser LC, Fryer RM, Gerhardt A, Hu Y, Delgado‐Herrera L, Melnick JZ, Williams LA, Cox BF, Reinhart GA. EFFECTS OF INTRAVENOUS ABT‐870 (IRON (III)‐HYDROXIDE OLIGOSACCHARIDE) ON MEAN ARTERIAL PRESSURE AND HEART RATE IN THE ANAESTHETIZED BEAGLE: COMPARISON WITH OTHER IRON‐CONTAINING HAEMATINIC AGENTS. Clin Exp Pharmacol Physiol 2006. [DOI: 10.1111/j.1440-1681.2005.tb00001.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
| | | | - Armin Gerhardt
- Renal Disease, Global Pharmaceutical Research and Development, Abbott LaboratoriesAbbott ParkIllinoisUSA
| | | | - Leticia Delgado‐Herrera
- Renal Disease, Global Pharmaceutical Research and Development, Abbott LaboratoriesAbbott ParkIllinoisUSA
| | - Joel Z Melnick
- Renal Disease, Global Pharmaceutical Research and Development, Abbott LaboratoriesAbbott ParkIllinoisUSA
| | - Laura A Williams
- Renal Disease, Global Pharmaceutical Research and Development, Abbott LaboratoriesAbbott ParkIllinoisUSA
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Saadeh CE, Srkalovic G. Acute Hypersensitivity Reaction to Ferric Gluconate in a Premedicated Patient. Ann Pharmacother 2005; 39:2124-7. [PMID: 16288068 DOI: 10.1345/aph.1g310] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
OBJECTIVE To report a case of an acute hypersensitivity reaction to ferric gluconate in a patient premedicated with dexamethasone, diphenhydramine, and prochlorperazine. CASE SUMMARY A 38-year-old female with persistent iron deficiency anemia was initiated on parenteral iron therapy with ferric gluconate 125 mg intravenously over 10 minutes. The patient initially tolerated this first dose well; however, she later experienced nausea, dizziness, and minor tongue swelling. On her second course of therapy, the woman was premedicated with dexamethasone, diphenhydramine, and prochlorperazine prior to the same dose of ferric gluconate infused over 30 minutes. Subsequently, the patient developed epigastric pain, nausea, swelling of her lips and tongue, and hypotension. The symptoms abated after administration of diphenhydramine, dexamethasone, morphine, cimetidine, intravenous fluids, and oxygen. She was discharged after a short stay in the emergency department observation unit. DISCUSSION Data are limited on the relative safety of ferric gluconate compared with iron dextran. Ferric gluconate does not appear to be associated with severe life-threatening events; however, the possibility of an acute hypersensitivity reaction with this product does exist. In this case, use of the Naranjo probability scale indicated a probable relationship between the hypersensitivity reaction and ferric gluconate. CONCLUSIONS Healthcare professionals should be aware of this serious but rare event and encouraged to further document and report these events.
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Affiliation(s)
- Claire E Saadeh
- Pharmacy Practice, Ferris State University, Department of Pharmacy, Sparrow Health System, Lansing, MI 48912, USA.
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Kalantar-Zadeh K, Regidor DL, McAllister CJ, Michael B, Warnock DG. Time-dependent associations between iron and mortality in hemodialysis patients. J Am Soc Nephrol 2005; 16:3070-80. [PMID: 16033854 DOI: 10.1681/asn.2005040423] [Citation(s) in RCA: 217] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
The independent association between the indices of iron stores or administered intravenous iron, both of which vary over time, and survival in patients who are on maintenance hemodialysis (MHD) is not clear. It was hypothesized that the observed associations between moderately high levels of three iron markers (serum ferritin, iron, and iron saturation ratio) or administered intravenous iron and all-cause and cardiovascular death is due to the time-varying confounding effect of malnutrition-inflammation-cachexia syndrome (MICS). Time-dependent Cox regression models were examined using prospectively collected data of the 2-yr (July 2001 to June 2003) historical cohort of 58,058 MHD patients from virtually all DaVita dialysis clinics in the United States. After time-dependent and multivariate adjustment for case mix, administered intravenous iron and erythropoietin doses, and available surrogates of MICS, serum ferritin levels between 200 and 1200 ng/ml (reference 100 to 199 ng/ml), serum iron levels between 60 and 120 microg/ml (reference 50 to 59 microg/ml), and iron saturation ratio between 30 and 50% (reference 45 to 50%) were associated with the lowest all-cause and cardiovascular death risks. Compared with those who did not receive intravenous iron, administered intravenous iron up to 400 mg/mo was associated with improved survival, whereas doses >400 mg/mo tended to be associated with higher death rates. The association between serum ferritin levels >800 ng/ml and mortality in MHD patients seems to be due mostly to the confounding effects of MICS. For ascertaining whether the observed associations between moderate doses of administered intravenous iron and improved survival are causal or due to selection bias by indication, clinical trials are warranted.
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Affiliation(s)
- Kamyar Kalantar-Zadeh
- Division of Nephrology and Hypertension, Harbor-UCLA Medical Center, 1000 West Carson Street, Torrance, CA 90502, USA.
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Landry R, Jacobs PM, Davis R, Shenouda M, Bolton WK. Pharmacokinetic study of ferumoxytol: a new iron replacement therapy in normal subjects and hemodialysis patients. Am J Nephrol 2005; 25:400-10. [PMID: 16088081 DOI: 10.1159/000087212] [Citation(s) in RCA: 83] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2005] [Accepted: 06/13/2005] [Indexed: 11/19/2022]
Abstract
BACKGROUND Currently available intravenous iron preparations are not ideal, either because of safety concerns or dose limitations. We investigated the safety and pharmacokinetics of ferumoxytol, a new iron replacement therapy, in normal subjects and hemodialysis patients. METHODS In a randomized, double-blind, ascending-dose study in normal volunteers (n = 41), 6 subjects received placebo, and 8 subjects each received ferumoxytol, at 1, 2 or 4 mg iron/kg, injected at 60 mg iron/min. The remaining subjects received 4 mg iron/kg at injection rates of 90 (n = 3), 180 (n = 3) or 1,800 mg iron/min (n = 5). In the second, open-label, ascending-dose study, 20 hemodialysis patients received 125 or 250 mg of iron over 5 min. RESULTS In normal subjects, the blood half-life of ferumoxytol increased with increasing dose from 9.3 to 14.5 h (p < 0.05) but not with increasing rate of injection. The drug half-life in hemodialysis patients was similar to normal subjects. Ferumoxytol was not removed with hemodialysis. Serum iron (p < 0.001), transferrin saturation (p < 0.001) and ferritin increased in both populations. No serious adverse events were attributable to ferumoxytol. CONCLUSION Ferumoxytol was well tolerated in this study. Its pharmacokinetic properties and simplicity of administration suggest that it will be an attractive form of iron replacement therapy.
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Affiliation(s)
- Robert Landry
- Division of Nephrology, University of Virginia Health System, Charlottesville, USA
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Michael B. The safety of sodium ferric gluconate complex in haemodialysis patients has been extensively evaluated. Nephrol Dial Transplant 2005; 20:1770. [PMID: 15956060 DOI: 10.1093/ndt/gfh936] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Walters BAJ, Van Wyck DB. Benchmarking iron dextran sensitivity: reactions requiring resuscitative medication in incident and prevalent patients. Nephrol Dial Transplant 2005; 20:1438-42. [PMID: 15840683 DOI: 10.1093/ndt/gfh811] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Reliable information on the incidence of severe reactions to iron dextran is limited. Administration of agents of resuscitation in acute anaphylaxis may serve as a marker to quantify life-threatening adverse drug reactions. METHODS To determine the incidence of the most serious reactions to intravenous (i.v.) iron dextran, we searched the Gambro Healthcare US medical database for evidence of same-day administration of both i.v. iron dextran and parenteral adrenaline, corticosteroids or antihistamines. We confirmed each case as an iron dextran sensitivity reaction by direct inquiry. We also determined the total reported number of suspected adverse iron dextran reactions. RESULTS During the 16 month study period, we determined that 1,066,099 doses of i.v. iron dextran were given to 48,509 patients, including 20,213 patients who had not previously received iron dextran (iron dextran naïve). We identified seven patients who experienced reactions requiring resuscitative agents, all in response to a test dose (five patients) or first therapeutic dose (two patients), and therefore all in the iron-naïve (incident) group. Thus, we found the incidence of iron dextran reactions requiring resuscitative agents to be 0.035% (7 out of 20,213). No reaction was fatal. In a combined group of incident and prevalent patients, we found 337 total reports of suspected adverse reactions to iron dextran, without regard to severity of reaction, yielding an overall per patient adverse drug event (ADE) rate of 0.69% (337 out of 48,509) and per exposure rate of 0.03% (337 out of 1,066,099). CONCLUSIONS The incidence of reactions to iron dextran requiring resuscitative medications, per exposure or per patient, is approximately 0.035%. Reactions of this severity occur after either the test dose or first dose of iron dextran.
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Affiliation(s)
- Brian A J Walters
- Division of Nephrology and Hypertension, University of Miami School of Medicine, Miami, FL, USA
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