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Jung HJ, Kang MW, Lee JH, Lee JK, Kim JI. The Association of Intravenous Iron Administered the Day before Total Knee Arthroplasty with Postoperative Anemia and Functional Recovery. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1212. [PMID: 37512024 PMCID: PMC10384006 DOI: 10.3390/medicina59071212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 06/21/2023] [Accepted: 06/26/2023] [Indexed: 07/30/2023]
Abstract
Background and Objectives: Total knee arthroplasty (TKA) involves blood loss, increasing the risk of postoperative anemia and delayed functional recovery. Intravenous (IV) iron supplementation limits postoperative anemia; however, the effectiveness of IV iron, administered one day before TKA, on postoperative anemia and functional recovery has scarcely been studied. Materials and Methods: We conducted a retrospective cohort study with propensity score matching using two consecutive groups of patients who underwent TKA using tranexamic acid: the iron group received 500 mg ferric derisomaltose intravenously one day before surgery (n = 46); the non-iron group did not (n = 46). Hemoglobin (Hb) level was determined at postoperative days (PODs) 2, 4, 6, 14, and 30. Ferritin, transferrin saturation (TSAT), and functional iron deficiency anemia (IDA) rate were measured at PODs 2, 4, 6, and 14. Length of hospital stay and transfusion rate were also evaluated. Results: The iron group had higher Hb levels at PODs 6, 14, and 30 and higher ferritin and TSAT at PODs 2, 4, 6, and 14. The functional IDA rate was significantly higher in the non-iron group at PODs 2, 4, 6, and 14. Length of hospital stay was significantly shorter in the iron group; however, the rate of transfusion did not differ between the two groups. Conclusions: IV iron administered one day before TKA was associated with postoperative anemia recovery and length of hospital stay; however, it did not lower the postoperative transfusion rate.
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Affiliation(s)
- Ho Jung Jung
- Department of Orthopaedic Surgery, Chuncheon Sacred Heart Hospital, Hallym University College of Medicine, 77, Sakju-ro, Chuncheon-si 24253, Republic of Korea
| | - Min Wook Kang
- Department of Orthopaedic Surgery, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, 1 Singil-ro, Yeongdeungpo-gu, Seoul 07441, Republic of Korea
| | - Jong Hwa Lee
- Department of Orthopaedic Surgery, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, 1 Singil-ro, Yeongdeungpo-gu, Seoul 07441, Republic of Korea
| | - Joon Kyu Lee
- Department of Orthopaedic Surgery, Konkuk University Medical Center, Konkuk University School of Medcine, Seoul 05030, Republic of Korea
| | - Joong Il Kim
- Department of Orthopaedic Surgery, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, 1 Singil-ro, Yeongdeungpo-gu, Seoul 07441, Republic of Korea
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Hara T, Kasahara Y, Nakagawa T. Association between haemoglobin concentration and intradialytic hypotension in patients undergoing maintenance haemodialysis: a retrospective cohort study. BMJ Open 2022; 12:e064026. [PMID: 36028275 PMCID: PMC9422893 DOI: 10.1136/bmjopen-2022-064026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVES Haemoglobin concentration is a potentially modifiable factor that may help lower the risk of intradialytic hypotension (IDH), but its association with IDH is not well understood. This study aimed to clarify the relationship between haemoglobin concentration and IDH. DESIGN Retrospective cohort study. SETTING We evaluated patients undergoing maintenance haemodialysis in December 2017 at Rakuwakai Otowa Kinen Hospital. PARTICIPANTS A total of 543 patients were included. We defined exposure according to the following five categories depending on haemoglobin concentrations by 1.0 increments: <9.0, ≥9.0 to <10.0, 10.0 to <11.0, ≥11.0 to <12.0 and ≥12.0 g/dL. PRIMARY OUTCOME MEASURE The primary outcome of interest was the development of IDH, defined as any nadir <100 mm Hg if the pre-dialysis systolic blood pressure (SBP) was ≥160 mm Hg or any nadir <90 mm Hg if the pre-dialysis SBP was <160 mm Hg (IDHnadir). RESULTS Overall, IDHnadir occurred in 14.3% (465/3250) of the sessions. With a haemoglobin concentration of ≥10.0 to <11.0 g/dL set as reference, the adjusted ORs for IDHnadir were 0.82 (95% CI, 0.32 to 2.15), 1.16 (95% CI, 0.56 to 2.39), 1.26 (95% CI, 0.68 to 2.36) and 3.01 (95% CI, 1.50 to 6.07) for haemoglobin concentrations of <9.0, ≥9.0 to <10.0, ≥11.0 to <12.0 and ≥12.0 g/dL, respectively. In the cubic spline analysis, a high haemoglobin concentration was associated with the development of IDHnadir. CONCLUSION High haemoglobin concentration is associated with IDH, and thus, the upper limit of haemoglobin concentration should be closely monitored in patients with IDH.
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Affiliation(s)
- Takashi Hara
- Department of Nephrology, Rakuwakai Otowa Hospital, Kyoto, Japan
| | - Yuto Kasahara
- Department of Nephrology, Rakuwakai Otowa Hospital, Kyoto, Japan
| | - Takahiko Nakagawa
- Department of Nephrology, Rakuwakai Otowa Hospital, Kyoto, Japan
- Department of Biochemistry, Shiga University of Medical Science, Otsu, Japan
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Ogata H, Takeshima A, Ito H. An update on phosphate binders for the treatment of hyperphosphatemia in chronic kidney disease patients on dialysis: a review of safety profiles. Expert Opin Drug Saf 2022; 21:947-955. [PMID: 35180026 DOI: 10.1080/14740338.2022.2044472] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
INTRODUCTION Hyperphosphatemia is an inevitable complication for patients undergoing dialysis, as is the resulting need for treatment with phosphate binders. Currently, various phosphate binders are clinically available. In addition to their phosphate-lowering activity, individual phosphate binders have differing safety profiles and off-target actions. AREAS COVERED This paper reviews the safety of phosphate binders and issues to be resolved. EXPERT OPINION Calcium-based phosphate binders are well tolerated but may increase calcium overload risk. Sevelamer reduces serum cholesterol levels and exerts anti-inflammatory effects. Compared to sevelamer, bixalomer is associated with fewer gastrointestinal symptoms. Aluminum-containing binders, lanthanum carbonate, and sucroferric oxyhydroxide exhibit strong phosphate-lowering activity. Although ferric citrate reduces erythropoiesis-stimulating agents and intravenous iron doses, its use requires monitoring of iron metabolic markers to avoid overload. Occasionally, combined use of multiple phosphate binders can offer the advantages of each phosphate binder while minimizing their drawbacks; thus, this may be desirable according to individual patients' conditions and comorbidities. However, increased pill burden and nonadherence to phosphate binders emerge as new problems. We expect that novel therapeutic strategies will be developed to resolve these issues.
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Affiliation(s)
- Hiroaki Ogata
- Division of Nephrology, Department of Internal Medicine, Showa University, Northern Yokohama Hospital, Chigasaki-chuo 35-1, Tsuzuki, Yokohama 2248503, JAPAN
| | - Akiko Takeshima
- Division of Nephrology, Department of Internal Medicine, Showa University, Northern Yokohama Hospital, Chigasaki-chuo 35-1, Tsuzuki, Yokohama 2248503, JAPAN
| | - Hidetoshi Ito
- Division of Nephrology, Department of Internal Medicine, Showa University, Northern Yokohama Hospital, Chigasaki-chuo 35-1, Tsuzuki, Yokohama 2248503, JAPAN
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Hara T, Kimachi M, Akizawa T, Fukuhara S, Yamamoto Y. Erratum: Interdialytic Weight Gain Effects on Hemoglobin Concentration and Cardiovascular Events. Kidney Int Rep 2021; 6:1999-2007. [PMID: 34307997 PMCID: PMC8258579 DOI: 10.1016/j.ekir.2021.05.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 07/08/2020] [Accepted: 07/21/2020] [Indexed: 11/29/2022] Open
Abstract
[This corrects the article DOI: 10.1016/j.ekir.2021.05.015.][This corrects the article DOI: 10.1016/j.ekir.2020.07.027.].
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Affiliation(s)
- Takashi Hara
- Department of Healthcare Epidemiology, Graduate School of Medicine and Public Health, Kyoto University, Kyoto, Japan
- Institute for Health Outcomes and Process Evaluation Research (iHope International), Kyoto, Japan
| | - Miho Kimachi
- Department of Healthcare Epidemiology, Graduate School of Medicine and Public Health, Kyoto University, Kyoto, Japan
| | - Tadao Akizawa
- Division of Nephrology, Showa University School of Medicine, Tokyo, Japan
| | - Shunichi Fukuhara
- Section of Clinical Epidemiology, Department of Community Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
- Center for Innovative Research for Communities and Clinical Excellence (CIRC2LE), Fukushima Medical University, Fukushima, Japan
- Shirakawa STAR for General Medicine, Fukushima Medical University, Fukushima, Japan
| | - Yosuke Yamamoto
- Department of Healthcare Epidemiology, Graduate School of Medicine and Public Health, Kyoto University, Kyoto, Japan
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Hara T, Kimachi M, Akizawa T, Fukuhara S, Yamamoto Y. Interdialytic Weight Gain Effects on Hemoglobin Concentration and Cardiovascular Events. Kidney Int Rep 2020; 5:1670-1678. [PMID: 33102959 PMCID: PMC7572305 DOI: 10.1016/j.ekir.2020.07.027] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 07/08/2020] [Accepted: 07/21/2020] [Indexed: 12/26/2022] Open
Abstract
Introduction Although predialysis hemoglobin concentration is affected by interdialytic weight gain (IDWG), the interaction between these parameters is not well understood. Methods Using data from the Japanese Dialysis Outcomes and Practice Pattern Study phases 1-5, we analyzed patients who underwent maintenance hemodialysis. The exposure variable was hemoglobin concentration, and the effect modifier was IDWG at baseline. These 2 categorical variables were then combined and analyzed. The primary outcome was major adverse cardiovascular events (MACEs). Hazard ratios were estimated using a Cox model for the association between exposure and MACEs after adjusting for potential confounders. We examined additive interactions between hemoglobin concentration and IDWG by calculating the relative excess risk due to interaction, which is defined as a departure from the additivity of effects. Results A total of 8234 patients were enrolled. During a median follow-up of 2.1 years, 1062 (12.9%) patients developed MACEs. In IDWG categories of <6%, adjusted hazard ratios for MACEs tended to be lower as hemoglobin concentration increased. In IDWG categories of ≥6%, point estimation of MACEs with hemoglobin concentration of ≥11.0 g/dl-<12.0 g/dl was higher than that with hemoglobin concentration of ≥10.0 g/dl-<11.0 g/dl. The relative excess risk due to interaction was 0.22 (95% confidence interval 0.02-0.42) between IDWG category of ≥6% and hemoglobin categories of ≥11.0 g/dl-<12.0 g/dl, indicating a synergistic interaction. Conclusions The association between hemoglobin concentration and MACEs differed across IDWG. Consideration should be given to the upper limit of hemoglobin concentration in patients with high IDWG.
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Affiliation(s)
- Takashi Hara
- Department of Healthcare Epidemiology, Graduate School of Medicine and Public Health, Kyoto University, Kyoto, Japan.,Institute for Health Outcomes and Process Evaluation Research (iHope International), Kyoto, Japan
| | - Miho Kimachi
- Department of Healthcare Epidemiology, Graduate School of Medicine and Public Health, Kyoto University, Kyoto, Japan
| | - Tadao Akizawa
- Division of Nephrology, Showa University School of Medicine, Tokyo, Japan
| | - Shunichi Fukuhara
- Section of Clinical Epidemiology, Department of Community Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Center for Innovative Research for Communities and Clinical Excellence, Fukushima Medical University, Fukushima, Japan.,Shirakawa STAR for General Medicine, Fukushima Medical University, Fukushima, Japan
| | - Yosuke Yamamoto
- Department of Healthcare Epidemiology, Graduate School of Medicine and Public Health, Kyoto University, Kyoto, Japan
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Amano H, Ohno Y, Inoue T, Tomori K, Ohama K, Okada H. Regional prescription surveillance of phosphate binders in the western Saitama area: the substantial role of ferric citrate hydrate in improving serum phosphorus levels and erythropoiesis. Clin Exp Nephrol 2019; 23:841-851. [PMID: 30783915 DOI: 10.1007/s10157-019-01715-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Accepted: 02/09/2019] [Indexed: 11/29/2022]
Abstract
BACKGROUND In April 2015, five types of phosphate binders (PBs) were available by prescription in Japan, namely calcium carbonate, sevelamer hydrochloride, lanthanum carbonate, bixalomer, and ferric citrate hydrate (FeC). FeC reduces serum phosphorus levels and increases the body's iron stores. However, it is unclear whether FeC lowers serum phosphorus relative to other agents in a regional practical setting. METHODS We performed a retrospective observational cohort study of regional hemodialysis surveillance in the western Saitama area of Japan, which included 1374 hemodialysis patients enrolled from 32 satellite dialysis units. The clinical data and prescribing information were retrospectively collected and analyzed. The difference in serum phosphorus among the groups administered five types of PBs (new or additional) from April to September 2015 was the primary outcome. RESULTS As of April 2015, the median values of serum phosphorus, corrected calcium, and intact parathyroid hormone were 5.4 mg/dL, 9.1 mg/dL, and 147 pg/dL, respectively (N = 1374). Unexpectedly, with an increase in the number of PBs administered, serum phosphorous levels increased (p < 0.001). The significant changes in the serum phosphorus and hemoglobin levels were associated with the prescription of FeC but not with that of the other PBs. CONCLUSIONS This regional survey suggests that serum phosphorus is well managed and that FeC has the potential to reduce the serum phosphorus level relative to other PBs and to ameliorates anemia.
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Affiliation(s)
- Hiroaki Amano
- Department of Nephrology, Faculty of Medicine, Saitama Medical University, 38, Morohongo, Moroyama-machi, Irumagun, Saitama, Japan
| | - Yoichi Ohno
- Department of Nephrology, Faculty of Medicine, Saitama Medical University, 38, Morohongo, Moroyama-machi, Irumagun, Saitama, Japan.,Community Health Science Center, Saitama Medical University, 38, Morohongo, Moroyama-machi, Irumagun, Saitama, Japan
| | - Tsutomu Inoue
- Department of Nephrology, Faculty of Medicine, Saitama Medical University, 38, Morohongo, Moroyama-machi, Irumagun, Saitama, Japan
| | - Koji Tomori
- Department of Nephrology, Faculty of Medicine, Saitama Medical University, 38, Morohongo, Moroyama-machi, Irumagun, Saitama, Japan
| | - Kazuya Ohama
- Hemodialysis Unit, Saitama Medical University, 38, Morohongo, Moroyama-machi, Irumagun, Saitama, Japan
| | - Hirokazu Okada
- Department of Nephrology, Faculty of Medicine, Saitama Medical University, 38, Morohongo, Moroyama-machi, Irumagun, Saitama, Japan.
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Drüeke TB. Lessons from clinical trials with erythropoiesis-stimulating agents (ESAs). RENAL REPLACEMENT THERAPY 2018. [DOI: 10.1186/s41100-018-0187-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
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Koiwa F, Yokoyama K, Fukagawa M, Akizawa T. Evaluation of changes in ferritin levels during sucroferric oxyhydroxide treatment. Clin Kidney J 2018; 12:294-299. [PMID: 30976411 PMCID: PMC6452212 DOI: 10.1093/ckj/sfy077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Indexed: 11/13/2022] Open
Abstract
Background A sub-analysis of a Phase III study was conducted to identify factors that might predict increased ferritin levels during long-term sucroferric oxyhydroxide (SO) treatment in hemodialysis patients. Methods The open-label, multicenter, Phase III study assessed the efficacy and safety of SO 750–3000 mg/day for 52 weeks in Japanese patients with chronic renal failure and hyperphosphatemia. A total of 125 of 161 patients from the Phase III trial, and who had data for ferritin levels after 28 weeks of SO treatment, were evaluated. Results Baseline ferritin was the strongest contributor (P < 0.0001) to ferritin increases during SO treatment. By Week 28, there were significant differences (P < 0.05/3) in ferritin increases between patients with higher [quartile 4 (Q4)] versus lower (Q1, Q2 and Q3) baseline ferritin. An erythropoiesis-stimulating agent dosage reduction was observed in patients with the lowest baseline ferritin level (Q1), and only slight reductions were noted in the other patient subsets. SO dosages administered to patients in baseline ferritin quartiles Q2, Q3 and Q4 were comparable throughout the study with slight fluctuations. SO dosages in Q1 were considerably lower than those in the other quartiles. Conclusions In summary, of the baseline variables found to predict increased ferritin, and changes in iron-related parameters, during SO treatment in Japanese chronic kidney disease patients undergoing hemodialysis, baseline ferritin was the most relevant variable.
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Affiliation(s)
- Fumihiko Koiwa
- Division of Nephrology, Department of Internal Medicine, Showa University Fujigaoka Hospital, Yokohama, Japan
| | - Keitaro Yokoyama
- Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan
| | - Masafumi Fukagawa
- Division of Nephrology, Endocrinology and Metabolism, Department of Internal Medicine, Tokai University School of Medicine, Isehara, Japan
| | - Tadao Akizawa
- Division of Nephrology, Department of Medicine, Showa University School of Medicine, Tokyo, Japan
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Oral Ferric Citrate Hydrate Associated With Less Oxidative Stress Than Intravenous Saccharated Ferric Oxide. Kidney Int Rep 2017; 3:364-373. [PMID: 29725640 PMCID: PMC5932126 DOI: 10.1016/j.ekir.2017.10.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Revised: 10/17/2017] [Accepted: 10/30/2017] [Indexed: 11/25/2022] Open
Abstract
Introduction A recent study suggested that orally dosed ferric citrate hydrate (FC) corrects renal anemia in patients on hemodialysis (HD), suggesting biological differences in effects of iron supplementation using different routes of administration. To address this issue, the present study compared oral FC with i.v. saccharated ferric oxide (FO) in stable HD patients. Methods Participants comprised 6 patients administered 3 consecutive protocols in the first HD session of the week in a fasting state: nothing given, as control (C); oral load of FC (480 mg iron), and 5 minutes of i.v. FO (40 mg iron). Iron dynamics in the body and biological impact on redox-inflammation status during the study (6 hours) were examined. Results Significant increases in serum iron and transferrin saturation were seen with both FC and FO. Regarding total iron-binding capacity as the sum of serum iron and unsaturated iron-binding capacity, no changes were found in FC, whereas significant increases were seen in FO (appearance of non–transferrin-binding iron [NTBI]), despite the lower serum iron levels in FO. Compared with C, increases were seen in serum myeloperoxidase (oxidative marker) with accompanying significant decreases in thioredoxin (antioxidant) in FO, whereas no changes were found in FC. Conclusion Oral FC differs from i.v. FO in areas such as less NTBI generation and less induction of oxidative stress. The result indicates potential clinical benefits of oral FC in terms of iron supplementation for renal anemia in HD patients.
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Locatelli F, Del Vecchio L. Iron-based phosphate binders: a paradigm shift in the treatment of hyperphosphatemic anemic CKD patients? J Nephrol 2017; 30:755-765. [PMID: 28717990 DOI: 10.1007/s40620-017-0421-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Accepted: 06/24/2017] [Indexed: 02/07/2023]
Abstract
The partial correction of anemia and the normalization of phosphate and blood pressure are the mainstay of treatment of patients with chronic kidney disease (CKD). Available anti-hypertensive drugs, erythropoiesis stimulating agents (ESAs) and iron supplements have resolved quite satisfactorily the goal of controlling hypertension and partially correcting anemia. Unfortunately, the treatment of hyperphosphatemia is still far from resolved. Phosphate binders have poor tolerability and/or limited efficacy, leading to the prescription of many tablets that achieve only a mild-to-moderate effect. Moreover, increased consumption of tablets is associated with increased low tolerability, thus jeopardizing patient compliance and, in turn, the efficacy of phosphate binding. Compared to calcium-free binders, the cheaper calcium salts increase the risk of hypercalcemia, calciphylaxis and vascular calcification and possibly all-cause mortality. Calcium-free phosphate binders decrease serum phosphate levels without increasing the serum calcium concentration. The higher phosphate-binding efficacy of lanthanum carbonate compared to sevelamer should be balanced against its lack of pleiotropic effects on lipid metabolism and inflammation and the accumulation in bones. New iron-based phosphate binders are available. In addition to their phosphate binding capacity, they could also be useful to treat anemia. Iron citrate is seeking for such an indication because its iron absorption is significant. This could be of clinical importance, particularly in CKD patients not on dialysis, obviating the need for extra oral iron administration and possibly favoring compliance. In conclusion, the use of iron-based phosphate binders with significant iron absorption properties could represent a novel paradigm for correcting anemia and hyperphosphatemia in CKD patients.
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Affiliation(s)
- Francesco Locatelli
- Department of Nephrology and Dialysis, Alessandro Manzoni Hospital, ASST Lecco, Via dell'Eremo 9/11, 23900, Lecco, Italy
| | - Lucia Del Vecchio
- Department of Nephrology and Dialysis, Alessandro Manzoni Hospital, ASST Lecco, Via dell'Eremo 9/11, 23900, Lecco, Italy.
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