KI

Kidney International

Kidney International is the official journal of the International Society of Nephrology. Under the editorial leadership of Dr. Pierre Ronco, it is devoted to kidney research and publishes clinical studies, original research, landmark communications, research letters, editorials, reviews, controversies, nephrology images, policy forum articles, and journal club content for researchers, clinical investigators, and practicing nephrologists.

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Subject Urology & Nephrology
Impact Factor 12.6
Quartile Q1
Open Access Type Hybrid
ISSN 0085-2538
eISSN 1523-1755
Invitation Only No
Cost Range USD 3900 APC for open access articles; no open access publication fee for subscription publication.

Submission Instructions

Kidney International accepts the following article types. Click on an article type to view submission instructions.

Review

Cover Letter Cover Letter requirements are not specified.
Abstract An unstructured abstract is required for Review articles. The abstract must be 250 words. The abstract must be unstructured.
Manuscript The manuscript must be 3000 to 5000 words, excluding abstract, tables, figures, and references. The manuscript must include a title page with authors, affiliations, and corresponding contact details. The manuscript must include 3 to 6 keywords and a disclosure statement under the heading "Disclosure" after the Discussion section and before the References section, and if generative AI was used in manuscript preparation, a declaration section must be inserted immediately before the references.
References The manuscript may include no more than 150 references. References must follow AMA style. References must be listed in order of appearance and cited in the text with consecutive superscript Arabic numerals, and no more than 4 authors may be listed per reference with more than 4 shortened to the first 3 followed by "et al.".
Figures & Tables The manuscript must include 1 to 3 figures and tables. Figures must not be embedded in the text and each illustration must be submitted as a separate file, while tables must be submitted as editable text. Figure captions must be supplied separately and not attached to the figure.
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Basic Research

Cover Letter Cover Letter requirements are not specified.
Abstract A structured abstract is required. Abstract must be 250 to 300 words long. Abstract must be structured. Abstract headings must be Introduction, Methods, Results, and Conclusions.
Manuscript Manuscript must not exceed 4000 words excluding the abstract, translational statement or lay summary, tables, figures, and references. Manuscript must include the sections Introduction, Methods, Results, and Discussion, with Methods before Results. Manuscript must include 3 to 6 keywords, a Translational Statement of no more than 100 words after the abstract, disclosures or conflicts of interest, a data sharing statement, a data reporting checklist, a graphical abstract, and an AI declaration section before the references if generative AI or AI-assisted tools were used in writing.
References There is no reference limit. References must use AMA style. References must be listed in order of appearance and cited in the text with consecutive superscript Arabic numerals, listing no more than 4 authors or the first 3 followed by et al. when there are more than 4.
Figures & Tables There is no limit on figures and tables, although some may be considered only as supplementary materials. Figures must not be embedded in the text and each illustration must be submitted as a separate file, while tables must be submitted as editable text. Figure legends must contain clear information on the methods described in the Methods section.
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Clinical Trial

Cover Letter Cover Letter requirements are not specified.
Abstract A structured abstract is required. Abstract must be 250 to 300 words long. Abstract must be structured. Abstract must use the headings Introduction, Methods, Results, and Conclusions.
Manuscript Manuscript must not exceed 4000 words excluding the abstract, translational statement or lay summary, tables, figures, and references. Manuscript must include the sections Introduction, Methods, Results, and Discussion. Manuscript must include 3 to 6 keywords, a 100 to 150 word Lay Summary under the heading “Lay Summary,” a graphical abstract, disclosures or conflicts of interest, and a declaration of generative AI and AI-assisted technologies in the writing process before the references if such tools were used.
References There is no reference limit. References must follow AMA style. References must be listed in order of appearance and cited in the text with consecutive superscript Arabic numerals, listing no more than four authors or the first three followed by “et al.” when there are more than four.
Figures & Tables There is no limit on figures and tables, although some may be considered only as supplementary materials. Figures must not be embedded in the text and each illustration must be submitted as a separate file with captions supplied separately. Figure legends must contain clear information on the methods described in the Methods section, and tables must be submitted as editable text rather than images.
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Clinical Investigation

Cover Letter Cover Letter requirements are not specified.
Abstract A structured abstract is required. Abstract must be 250–300 words. Abstract must be structured. Abstract headings must be Introduction, Methods, Results, and Conclusions.
Manuscript Manuscript must be 4000 words excluding the abstract, translational statement or lay summary, tables, figures, and references. Manuscript must include the sections Introduction, Methods, Results, and Discussion. Manuscript must include 3–6 keywords, a 150-word Lay Summary, a graphical abstract, a data reporting checklist, a disclosure statement under the heading "Disclosure" after the Discussion and before the References, and a declaration of generative AI use before the references if such tools were used in manuscript preparation.
References There is no reference limit. References must follow AMA style. References must be listed in order of appearance and cited with consecutive superscript Arabic numerals, with no more than 4 authors listed per reference and the first 3 followed by "et al." when there are more than 4 authors.
Figures & Tables There is no figure and table limit, although some may be considered only as supplementary materials. Figures must not be embedded in the text and each illustration must be submitted as a separate file, while tables must be submitted as editable text. Figure legends must contain clear information on the methods described in the Methods section.
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Landmark Communication

Cover Letter Cover Letter requirements are not specified.
Abstract Structured abstract is required. Abstract must be 250–300 words. Abstract must be structured. Abstract must use the headings Introduction, Methods, Results, and Conclusions.
Manuscript Manuscript must be 1500 words excluding abstract, translational statement or lay summary, tables, figures, and references. Manuscript must include the sections Introduction, Short Methods, Results, and Discussion. Manuscript must include 3–6 keywords, a translational statement of no more than 100 words or a lay summary of about 100–150 words, disclosures or conflicts of interest, a graphical abstract, an AI declaration before the references if generative AI was used in manuscript preparation, and a data reporting checklist.
References References may not exceed 25. References must follow AMA style. References must be listed in order of appearance and cited with consecutive superscript Arabic numerals, and when a work has more than 4 authors only the first 3 followed by “et al.” should be listed.
Figures & Tables A maximum of 3 figures and tables in any combination is allowed. Figures must not be embedded in the text, each illustration must be submitted as a separate file, and additional display items must be placed in supplementary material. Tables must be submitted as editable text rather than images, and figure captions must be supplied separately.
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Research Letter (Basic Or Clinical)

Cover Letter Cover Letter requirements are not specified.
Abstract A structured abstract is required for Research Letters. Abstract must be 250 to 300 words long. Abstract must be structured. Abstract must use the headings Introduction, Methods, Results, and Conclusions.
Manuscript Manuscript text must not exceed 1500 words excluding tables, figures, and references. Manuscript must include the sections Introduction, Short Methods, Results, and Discussion, with Short Methods limited to 1 to 3 sentences and indicating that full methods are provided in supplementary material. Manuscript must include 3 to 6 keywords, a 150-word Translational Statement or Lay Summary, disclosures or conflicts of interest, a graphical abstract, and a declaration of generative AI use before the references if such tools were used.
References Research Letters must include no more than 25 references, with any additional references listed as supplementary references. References must follow AMA style. References must be listed in order of appearance, cited with consecutive superscript Arabic numerals, and if a work has more than 4 authors only the first 3 should be listed followed by "et al.".
Figures & Tables Research Letters may include no more than 3 figures and tables in any combination, with additional display items placed in supplementary material. Figures must not be embedded in the text and each illustration must be submitted as a separate file. Tables must be submitted as editable text rather than images, and figure captions must be supplied separately.
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Clinical Journey In Translational Medicine

Cover Letter Cover Letter requirements are not specified.
Abstract Abstract must not be included.
Manuscript Manuscript must be 600 words. Manuscript must include section headings titled "The Clinical Journey" and "The Translational Insight." Manuscript must include 3 to 6 keywords, a disclosure statement, a patient consent statement, a funding statement as appropriate, and an AI declaration section before the references if generative AI was used in manuscript preparation.
References References are limited to a maximum of 3. References must follow AMA style. References must be listed in order of appearance and cited in the text with consecutive superscript Arabic numerals, listing no more than 4 authors or the first 3 followed by "et al." if there are more than 4.
Figures & Tables A maximum of 2 single-panel figures or tables may be included, with additional figures allowed only as online supplementary images. Figures must not be embedded in the text and each illustration must be submitted as a separate file, while supplementary material is permitted in a single document. Figure captions must be supplied separately and tables must be submitted as editable text rather than images.
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Letter To The Editor

Cover Letter Cover Letter requirements are not specified.
Abstract Letters to the Editor must not include an abstract.
Manuscript Letters to the Editor must be 250 words excluding references. Letters to the Editor must include a title page with authors, affiliations, and corresponding contact details, and they must include a Supplementary Material section immediately before the references stating the type of supplementary file and the caption "Supplementary References." Letters to the Editor must include disclosures or conflicts of interest, and any use of generative AI in writing must be declared in a section immediately above the references naming the tool and reason for use.
References Letters to the Editor may include a maximum of 4 references, with any additional references provided in a separate supplementary file as supplementary references. References must follow AMA style. References must be listed in order of appearance and cited in the text with consecutive superscript Arabic numerals, listing no more than 4 authors or the first 3 followed by "et al." when there are more than 4.
Figures & Tables Letters to the Editor may include a maximum of 1 figure or table. Figures must not be embedded in the text and each illustration must be submitted as a separate file, while tables must be submitted as editable text. Additional references must be formatted as supplementary references with the prefix "S," and each supplementary material element must be cited individually in the main text.
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Research Letter

Cover Letter Cover Letter requirements are not specified.
Abstract Abstract requirements are not specified.
Manuscript Manuscripts should be organized with Methods appearing before Results, and at least the most important sections of the Methods must be described in the text before the Results section. If generative AI or AI-assisted tools were used in manuscript preparation, a declaration section entitled 'Declaration of Generative AI and AI-assisted technologies in the writing process' must be included immediately before the references and specify the tool used and the reason for using it.
References References must use AMA style with citations in the text as consecutive superscript Arabic numerals in order of appearance. References must be listed in order of appearance, include no more than the first 3 authors followed by 'et al.' when there are more than 4 authors, and contain only published works or manuscripts already accepted for publication that are cited in the text.
Figures & Tables Figures must not be embedded in the text, each illustration must be submitted as a separate file, figure captions must be supplied separately, and tables must be submitted as editable text rather than images. Tables must be numbered consecutively in the order cited in the text.
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Recent Publications

KDIGO Life Cycle of Guideline Development Series– Part 4: Translating Evidence into KDIGO Guideline Statements

Laia Oliveras, Amara Sarwal, Benjamin Lazarus, Elie Akl, Chris Carmona, Imuetinyan Edeki, Jitendra Meena, Joyce Popoola, Robin Vernooij, Gihad Nesrallah, Amy Earley, Reem A. Mustafa

10.1016/j.kint.2026.04.032
View Publication

KDIGO Life Cycle of Guideline Development Series– Part 3: Evidence synthesis for Guideline Development: The KDIGO Approach

Laia Oliveras, Benjamin Lazarus, Amara Sarwal, Elie Akl, Chris Carmona, Imuetinyan Edeki, Jitendra Meena, Joyce Popoola, Robin Vernooij, Gihad Nesrallah, Amy Earley, Reem A. Mustafa

10.1016/j.kint.2026.04.031
View Publication

CUBN-AMN pathway loss in chronic benign proteinuria

Keiichi Takizawa, Go Horie, Yoichiro Oda, Yuko Kajiho, Shoichiro Kanda, Atsushi Fujita, Naomichi Matsumoto, Yutaka Harita

10.1016/j.kint.2026.03.023
View Publication

Kidney Disease: Improving Global Outcomes (KDIGO) Life Cycle of Guideline Development: Part 1: Introduction to a new series

Reem A. Mustafa, Amy Earley, Laia Oliveras, Amara Sarwal, Benjamin Lazarus, Elie Akl, Imuetinyan Edeki, Jitendra Meena, Gihad Nesrallah, Joyce Popoola, Robin Vernooij, Chris Carmona

10.1016/j.kint.2026.02.044
View Publication

From Dysphagia to Kidney Disease: Alport Syndrome with Leiomyomatosis

Idris Boudhabhay, Corinne Antignac, Sylvain Bodard, Brice Gayet, Bertrand Knebelmann

10.1016/j.kint.2026.04.034
View Publication

Frequently asked questions

How long does it take to publish?

37 days from acceptance to online publication.

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What are the publication costs?

USD 3900 APC for open access articles. Subscription publication has no open access publication fee.

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Research Topics

Chronic Kidney Disease and Diabetes Dialysis and Renal Disease Management Renal Diseases and Glomerulopathies Acute Kidney Injury Research Parathyroid Disorders and Treatments Ion Transport and Channel Regulation Renal and related cancers Renal Transplantation Outcomes and Treatments Electrolyte and hormonal disorders Renin-Angiotensin System Studies Renal and Vascular Pathologies Renal function and acid-base balance Blood Pressure and Hypertension Studies Nitric Oxide and Endothelin Effects Genetic and Kidney Cyst Diseases Kidney Stones and Urolithiasis Treatments Central Venous Catheters and Hemodialysis Organ Donation and Transplantation Hormonal Regulation and Hypertension Complement system in diseases Biomedical Research and Pathophysiology Pediatric Urology and Nephrology Studies Vasculitis and related conditions Cell Adhesion Molecules Research Erythropoietin and Anemia Treatment

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