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Levy C, Dickey AK, Wang B, Thapar M, Naik H, Keel SB, Saberi B, Beaven SW, Rudnick SR, Elmariah SB, Erwin AL, Goddu RJ, Hedstrom K, Leaf RK, Kazamel M, Mazepa M, Philpotts LL, Quigley J, Raef H, Ungar J, Anderson KE, Balwani M. Evidence-based consensus guidelines for the diagnosis and management of protoporphyria-related liver dysfunction in erythropoietic protoporphyria and X-linked protoporphyria. Hepatology 2024; 79:731-743. [PMID: 37505211 PMCID: PMC10818013 DOI: 10.1097/hep.0000000000000546] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 06/13/2023] [Indexed: 07/29/2023]
Affiliation(s)
- Cynthia Levy
- Division of Digestive Health and Liver Diseases, University of Miami Miller School of Medicine, Miami, FL
| | - Amy K. Dickey
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Massachusetts General Hospital, Boston, MA
- Harvard Medical School, Boston, MA
| | - Bruce Wang
- Department of Medicine, University of California San Francisco Medical Center, San Francisco, CA
| | - Manish Thapar
- Division of Gastroenterology, Thomas Jefferson University Hospital, Philadelphia, PA
| | - Hetanshi Naik
- Department of Genetics, Stanford University School of Medicine, Palo Alto, CA
| | - Siobán B. Keel
- Division of Hematology, University of Washington School of Medicine, Seattle, WA
| | - Behnam Saberi
- Division of Gastroenterology, Beth Israel Deaconess Medical Center, Boston, MA
| | - Simon W. Beaven
- Vatche & Tamar Manoukian Division of Digestive Diseases, David Geffen School of Medicine, University of California Los Angeles Medical Center, Los Angeles, CA
| | - Sean R. Rudnick
- Department of Internal Medicine, Section on Gastroenterology and Hepatology, Atrium Health Wake Forest Baptist, Winston-Salem, NC
| | - Sarina B. Elmariah
- Department of Dermatology, University of California San Francisco, San Francisco, CA
| | - Angelika L. Erwin
- Center for Personalized Genetic Healthcare, Cleveland Clinic, Cleveland, OH
| | - Robert J. Goddu
- Division of Continuing Education, University of Colorado Boulder, Boulder, CO
| | - Karli Hedstrom
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Rebecca Karp Leaf
- Harvard Medical School, Boston, MA
- Division of Hematology and Oncology, Department of Medicine, Massachusetts General Hospital, Boston, MA
| | - Mohamed Kazamel
- Department of Neurology, University of Alabama at Birmingham, Birmingham, AL
| | - Marshall Mazepa
- Division of Hematology,Oncology, and Transplantation, Department of Medicine, University of Minnesota, Minneapolis, MN
| | | | - John Quigley
- Division of Hematology/Oncology, Department of Medicine, University of Illinois Chicago, IL
| | - Haya Raef
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Massachusetts General Hospital, Boston, MA
- Division of Hematology, University of Washington School of Medicine, Seattle, WA
- Department of Dermatology, University of California San Francisco, San Francisco, CA
| | - Jonathan Ungar
- Department of Dermatology, Mount Sinai Hospital, New York, NY
| | - Karl E. Anderson
- Department of Internal Medicine (Division of Gastroenterology & Hepatology), University of Texas Medical Branch/UTMB Health, Galveston, TX
| | - Manisha Balwani
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY
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2
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Wu X, Zhou X, Zhao S, He K, Zhoudi W, Chen S, Xu X. Treatment strategy for erythropoietic protoporphyria accompanied by severe abdominal pain and liver injury. PORTAL HYPERTENSION & CIRRHOSIS 2024; 3:36-38. [DOI: 10.1002/poh2.67] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 12/27/2023] [Indexed: 10/05/2024]
Affiliation(s)
- Xiaoxin Wu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Centre for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou Zhejiang China
| | - Xiumei Zhou
- Department of Infectious Diseases People's Hospital of Pujiang County Jinhua Zhejiang China
| | - Shuai Zhao
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Centre for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou Zhejiang China
| | - Keting He
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Centre for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou Zhejiang China
| | - Wenxin Zhoudi
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Centre for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou Zhejiang China
| | - Shangci Chen
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Centre for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou Zhejiang China
| | - Xiaowei Xu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Centre for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou Zhejiang China
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3
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Dickey AK, Naik H, Keel SB, Levy C, Beaven SW, Elmariah SB, Erwin AL, Goddu RJ, Hedstrom K, Leaf RK, Kazamel M, Mazepa M, Philpotts LL, Quigley J, Raef H, Rudnick SR, Saberi B, Thapar M, Ungar J, Wang B, Balwani M. Evidence-based consensus guidelines for the diagnosis and management of erythropoietic protoporphyria and X-linked protoporphyria. J Am Acad Dermatol 2023; 89:1227-1237. [PMID: 36041558 PMCID: PMC9968824 DOI: 10.1016/j.jaad.2022.08.036] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 07/07/2022] [Accepted: 08/15/2022] [Indexed: 11/16/2022]
Abstract
Erythropoietic protoporphyria and X-linked protoporphyria are rare genetic photodermatoses. Limited expertise with these disorders among physicians leads to diagnostic delays. Here, we present evidence-based consensus guidelines for the diagnosis, monitoring, and management of erythropoietic protoporphyria and X-linked protoporphyria. A systematic literature review was conducted, and reviewed among subcommittees of experts, divided by topic. Consensus on guidelines was reached within each subcommittee and then among all members of the committee. The appropriate biochemical and genetic testing to establish the diagnosis is reviewed in addition to the interpretation of results. Prevention of symptoms, management of acute phototoxicity, and pharmacologic and nonpharmacologic treatment options are discussed. The importance of ongoing monitoring for liver disease, iron deficiency, and vitamin D deficiency is discussed with management guidance. Finally, management of pregnancy and surgery and the safety of other therapies are summarized. We emphasize that these are multisystemic disorders that require longitudinal monitoring. These guidelines provide a structure for evidence-based diagnosis and management for practicing physicians. Early diagnosis and management of these disorders are essential, particularly given the availability of new and emerging therapies.
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Affiliation(s)
- Amy K Dickey
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts
| | - Hetanshi Naik
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Siobán B Keel
- Division of Hematology, University of Washington School of Medicine, Seattle, Washington
| | - Cynthia Levy
- Division of Digestive Health and Liver Diseases, University of Miami Miller School of Medicine, Miami, Florida
| | - Simon W Beaven
- Vatche & Tamar Manoukian Division of Digestive Diseases, David Geffen School of Medicine, University of California Los Angeles Medical Center, Los Angeles, California
| | - Sarina B Elmariah
- Harvard Medical School, Boston, Massachusetts; Department of Dermatology, Massachusetts General Hospital, Boston, Massachusetts
| | - Angelika L Erwin
- Center for Personalized Genetic Healthcare, Cleveland Clinic, Cleveland, Ohio
| | - Robert J Goddu
- Division of Continuing Education, University of Colorado Boulder, Boulder, Colorado
| | - Karli Hedstrom
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Rebecca K Leaf
- Harvard Medical School, Boston, Massachusetts; Division of Hematology and Oncology, Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts
| | - Mohamed Kazamel
- Department of Neurology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Marshall Mazepa
- Division of Hematology and Oncology, University of Minnesota Medical Center, Minneapolis, Minnesota
| | | | - John Quigley
- Division of Hematology/Oncology, Department of Medicine, University of Illinois Chicago, Chicago, Illinois
| | - Haya Raef
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts; Department of Dermatology, Massachusetts General Hospital, Boston, Massachusetts
| | - Sean R Rudnick
- Department of Internal Medicine, Section on Gastroenterology and Hepatology, Atrium Health Wake Forest Baptist, Winston-Salem, North Carolina
| | - Behnam Saberi
- Harvard Medical School, Boston, Massachusetts; Division of Gastroenterology, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Manish Thapar
- Division of Gastroenterology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - Jonathan Ungar
- Department of Dermatology, Mount Sinai Hospital, New York, New York
| | - Bruce Wang
- Department of Medicine, University of California San Francisco Medical Center, San Francisco, California
| | - Manisha Balwani
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York.
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4
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Role of phlebotomy in the treatment of liver damage related to erythropoietic porphyria. Sci Rep 2022; 12:6100. [PMID: 35414164 PMCID: PMC9005698 DOI: 10.1038/s41598-022-10089-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Accepted: 03/29/2022] [Indexed: 12/02/2022] Open
Abstract
Liver damage affects the prognosis of patients with erythropoietic protoporphyria (EPP). However, there is no radical cure for EPP patients with severe liver damage. This study aims to investigate the effectiveness of phlebotomy in patients with severe liver damage. We examined seven patients diagnosed with EPP and liver damage between 2010 and 2020. Of the 7 cases, phlebotomy was performed in 3 cases with severe hepatic disorder, and the improvement effect of hepatic disorder was observed in all cases. In addition, as an additional study, we also investigated the mechanism by which liver damage becomes more severe. Liver biopsy samples were stained with hematoxylin and eosin and immunohistochemistry was used to examine the expression of adenosine triphosphate-binding transporter G2 (ABCG2). Liver biopsies were performed in 3 of 7 patients with EPP. Of these three patients, ABCG2 expression was low in two patients, especially in the protoporphyrin (PP) deposition area. Two patients with reduced ABCG2 expression subsequently developed severe liver damage. However, the causal relationship between the decreased expression of ABCG2 and the exacerbation of liver damage has not been directly proved, and further investigation is required in the future. This study demonstrated the effectiveness of phlebotomy in EPP patients with severe liver damage.
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Heerfordt IM, Lerche CM, Wulf HC. Cimetidine for erythropoietic protoporphyria. Photodiagnosis Photodyn Ther 2022; 38:102793. [PMID: 35245673 DOI: 10.1016/j.pdpdt.2022.102793] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 02/18/2022] [Accepted: 02/28/2022] [Indexed: 11/26/2022]
Abstract
BACKGROUND Erythropoietic protoporphyria (EPP) is caused by deficiency of the enzyme converting protoporphyrin IX (PpIX) into heme resulting in accumulation of PpIX leading to photosensitivity and liver toxicity. Cimetidine might inhibit δ-aminolevulinic acid synthase influencing the heme biosynthesis. We present cases with EPP treated with cimetidine at our department, and a literature review. METHODS Systematic searches were performed to identify literature describing EPP patients treated with cimetidine. On that ground we treated EPP patients with cimetidine through spring and summer in 2020 and 2021 at our department. Their erythrocyte PpIX level and standard blood and liver parameters were collected before and during 4 months of treatment. Using a questionnaire, patients were asked about change in photosensitivity, side effects, and whether they would like to resume treatment in the spring of 2022. RESULTS Literature searches identified 9 patients treated with cimetidine. Four were outpatients reporting decreased photosensitivity. At our department 18 outpatients started treatment. Fifteen used oral cimetidine daily for 4 months or more providing a significant decrease in erythrocyte PpIX with a median of 20% (range: -18% to 53%) after 4 months. Eleven of the 15 patients reported a decrease in photosensitivity during treatment, 3 patients were unsure, and 1 patient experienced unchanged photosensitivity. Only mild side effects were reported. Fourteen patients requested to resume treatment in the spring of 2022. CONCLUSIONS These cases suggest that cimetidine can lower erythrocyte PpIX in patients with EPP.
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Affiliation(s)
- Ida M Heerfordt
- Department of Dermatology, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Denmark.
| | - Catharina M Lerche
- Department of Dermatology, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Denmark; Department of Pharmacy, University of Copenhagen, Denmark
| | - Hans Christian Wulf
- Department of Dermatology, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Denmark
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Di Pierro E, Granata F, De Canio M, Rossi M, Ricci A, Marcacci M, De Luca G, Sarno L, Barbieri L, Ventura P, Graziadei G. Recognized and Emerging Features of Erythropoietic and X-Linked Protoporphyria. Diagnostics (Basel) 2022; 12:diagnostics12010151. [PMID: 35054318 PMCID: PMC8775248 DOI: 10.3390/diagnostics12010151] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 12/31/2021] [Accepted: 01/06/2022] [Indexed: 02/06/2023] Open
Abstract
Erythropoietic protoporphyria (EPP) and X-linked protoporphyria (XLP) are inherited disorders resulting from defects in two different enzymes of the heme biosynthetic pathway, i.e., ferrochelatase (FECH) and delta-aminolevulinic acid synthase-2 (ALAS2), respectively. The ubiquitous FECH catalyzes the insertion of iron into the protoporphyrin ring to generate the final product, heme. After hemoglobinization, FECH can utilize other metals like zinc to bind the remainder of the protoporphyrin molecules, leading to the formation of zinc protoporphyrin. Therefore, FECH deficiency in EPP limits the formation of both heme and zinc protoporphyrin molecules. The erythroid-specific ALAS2 catalyses the synthesis of delta-aminolevulinic acid (ALA), from the union of glycine and succinyl-coenzyme A, in the first step of the pathway in the erythron. In XLP, ALAS2 activity increases, resulting in the amplified formation of ALA, and iron becomes the rate-limiting factor for heme synthesis in the erythroid tissue. Both EPP and XLP lead to the systemic accumulation of protoporphyrin IX (PPIX) in blood, erythrocytes, and tissues causing the major symptom of cutaneous photosensitivity and several other less recognized signs that need to be considered. Although significant advances have been made in our understanding of EPP and XLP in recent years, a complete understanding of the factors governing the variability in clinical expression and the severity (progression) of the disease remains elusive. The present review provides an overview of both well-established facts and the latest findings regarding these rare diseases.
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Affiliation(s)
- Elena Di Pierro
- Dipartimento di Medicina Interna, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy; (F.G.); (G.D.L.); (G.G.)
- Correspondence: or ; Tel.: +39-0255036155
| | - Francesca Granata
- Dipartimento di Medicina Interna, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy; (F.G.); (G.D.L.); (G.G.)
| | - Michele De Canio
- Porphyria and Rare Diseases Centre, San Gallicano Dermatological Institute IRCCS, 00144 Rome, Italy; (M.D.C.); (L.B.)
| | - Mariateresa Rossi
- Department of Dermatology, ASST Spedali Civili di Brescia, University of Brescia, 25123 Brescia, Italy; (M.R.); (L.S.)
| | - Andrea Ricci
- Internal Medicine Unit, Department of Medical and Surgical Science for Children and Adults, University of Modena e Reggio Emilia, 41124 Modena, Italy; (A.R.); (M.M.); (P.V.)
| | - Matteo Marcacci
- Internal Medicine Unit, Department of Medical and Surgical Science for Children and Adults, University of Modena e Reggio Emilia, 41124 Modena, Italy; (A.R.); (M.M.); (P.V.)
| | - Giacomo De Luca
- Dipartimento di Medicina Interna, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy; (F.G.); (G.D.L.); (G.G.)
| | - Luisa Sarno
- Department of Dermatology, ASST Spedali Civili di Brescia, University of Brescia, 25123 Brescia, Italy; (M.R.); (L.S.)
| | - Luca Barbieri
- Porphyria and Rare Diseases Centre, San Gallicano Dermatological Institute IRCCS, 00144 Rome, Italy; (M.D.C.); (L.B.)
| | - Paolo Ventura
- Internal Medicine Unit, Department of Medical and Surgical Science for Children and Adults, University of Modena e Reggio Emilia, 41124 Modena, Italy; (A.R.); (M.M.); (P.V.)
| | - Giovanna Graziadei
- Dipartimento di Medicina Interna, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy; (F.G.); (G.D.L.); (G.G.)
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7
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Zhao C, Guan JX, Hui DY, Zhang NN, Lu LR, Tang LY, Shao CK, Chen JN. Liver involvement in patients with erythropoietic protoporphyria: retrospective analysis of clinicopathological features of 5 cases. Ann Diagn Pathol 2021; 56:151859. [PMID: 34844099 DOI: 10.1016/j.anndiagpath.2021.151859] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 11/11/2021] [Indexed: 01/24/2023]
Abstract
Erythropoietic protoporphyria (EPP) is a rare inherited disease whose morbidity is about 1:75,000 to 1:200,000. It is caused by the deficiency of porphyrin ferrochelatase (FECH). Liver involvement in EPP is even rarer. The diagnosis of EPP with liver involvement mainly relies on clinical manifestations, laboratory examinations, histopathological examinations and genetic testing, which is still a huge challenge for both clinicians and pathologists. Here, 5 cases of EPP with liver injury were collected, and the clinicopathological features of these patients were analyzed. The clinical manifestations and laboratory examinations varied from person to person, whereas the liver biopsies showed that there were dark brown deposits within the hepatocytes, Kupffer cells, bile canaliculi and the lumen of bile ducts, which was a constant finding by histopathological examination. Gene tests were conducted in two of the five cases, and the results confirmed the diagnosis. Fully understanding of the diseases can help us reduce the rate of missed diagnosis and provide proper treatment as early as possible.
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Affiliation(s)
- Chang Zhao
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510000, China
| | - Jie-Xia Guan
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510000, China
| | - Da-Yang Hui
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510000, China
| | - Na-Na Zhang
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510000, China
| | - Li-Rong Lu
- Department of Special Inspection, Guangzhou KingMed Center for Clinical Laboratory Co., Ltd., Guangzhou 510000, China
| | - Lu-Ying Tang
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510000, China
| | - Chun-Kui Shao
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510000, China.
| | - Jian-Ning Chen
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510000, China.
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Yoshida A, Hagiwara S, Watanabe T, Nishida N, Ida H, Sakurai T, Komeda Y, Yamao K, Takenaka M, Enoki E, Kimura M, Miyake M, Kawada A, Kudo M. Erythropoietic Protoporphyria-related Hepatopathy Successfully Treated with Phlebotomy. Intern Med 2018; 57:2505-2509. [PMID: 30175727 PMCID: PMC6172546 DOI: 10.2169/internalmedicine.0673-17] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
A 27-year-old man bearing an erythropoietic protoporphyria (EPP)-associated ferrochelatase (FECH) mutation was admitted to our hospital for general malaise and marked elevation of the serum levels of hepatobiliary enzymes and bilirubin. Initial treatment with plasma exchange did not reduce the blood protoporphyrin or serum liver enzyme levels, so phlebotomy was started. Surprisingly, weekly phlebotomy normalized the serum levels of liver enzymes, accompanied by a marked reduction in the blood protoporphyrin levels. The clinical course of this case strongly suggests that phlebotomy may be a suitable treatment option for EPP-related hepatopathy.
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Affiliation(s)
- Akihiro Yoshida
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, Japan
| | - Satoru Hagiwara
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, Japan
| | - Tomohiro Watanabe
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, Japan
| | - Naoshi Nishida
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, Japan
| | - Hiroshi Ida
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, Japan
| | - Toshiharu Sakurai
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, Japan
| | - Yoriaki Komeda
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, Japan
| | - Kentaro Yamao
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, Japan
| | - Mamoru Takenaka
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, Japan
| | - Eisuke Enoki
- Department of Pathology, Kindai University Faculty of Medicine, Japan
| | - Masatomo Kimura
- Department of Pathology, Kindai University Faculty of Medicine, Japan
| | - Masako Miyake
- Department of Dermatology, Kindai University Faculty of Medicine, Japan
| | - Akira Kawada
- Department of Dermatology, Kindai University Faculty of Medicine, Japan
| | - Masatoshi Kudo
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, Japan
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