Overview
Updated 14 Jul 2026
Sagar Nigwekar, MD, is Assistant in Medicine (Nephrology), Massachusetts General Hospital. The public record shows 229 publications with 7,554 citations (h-index 43), centered on ESRD / Dialysis. It also documents an investigator role on 3 registered clinical trials, industry payments reported by 12 companies, 2 NIH-funded awards (2019–2025).
- Most recent indexed publication: 2026 · Journal of the American Society of Nephrology
- Top research focus: ESRD / Dialysis
- 3 registered trials on ClinicalTrials.gov
- Open Payments reporting from 12 companies
Generated from the cited public record · current as of 14 Jul 2026. Every fact links its source below.
Indications focusfrom trials led + research topics
Research focusOpenAlex concept fingerprint
Drugs & moleculesacross trials, industry payments and publications
Works withtrial sponsors and companies reporting payments
Scholarshipindexed output and impact (OpenAlex)
View publications ↓Distinct works indexed by OpenAlex, matched via ORCID; 13 in PubMed.
Total citations across indexed works.
Hirsch index, productivity × impact (OpenAlex).
Clinical & industrytrials, payments and federal funding
Clinical trials
Updated 14 Jul 2026
Listed as an investigator on 3 registered studies on ClinicalTrials.gov. The most recent:
- Partners Calciphylaxis Biobank
Sponsor: Massachusetts General Hospital
InvestigatorRecruitingNCT03032835 - Helping Olfaction and Nutrition On Renal Replacement
Sponsor: Massachusetts General Hospital
InvestigatorPhase 2CompletedNCT02479451 - Evaluation of Vitamin K Supplementation for Calcific Uremic Arteriolopathy
Sponsor: Massachusetts General Hospital
InvestigatorCompletedNCT02278692
Industry payments
Updated 14 Jul 2026
12 companies reported payments to CMS in program years 2021–2025. These are public disclosures, not judgments. The latest:
- Fresenius USA Marketing, Inc.Program year20254 payments
- Kyowa Kirin Co., LtdProgram year20251 payment
- Alexion Pharmaceuticals, Inc.Program year20252 payments
NIH funding
Updated 14 Jul 2026
2 NIH research awards on record, funded 2019–2025 per NIH RePORTER. The latest:
- NMR-Based Rapid Fluid Assessment: Device Design and Signal Processing
Massachusetts Institute of Technology
FY2025$540,178R01EB031813 - NMR-Based Rapid Fluid Assessment: Device Design and Signal Processing
Massachusetts Institute of Technology
FY2024$530,132R01EB031813 - NMR-Based Rapid Fluid Assessment: Device Design and Signal Processing
Massachusetts Institute of Technology
FY2023$540,951R01EB031813
Publications
Updated 14 Jul 2026
Their five most recent publications, matched to their ORCID record and linked to PubMed.
- High Phosphate and Low Protein Mediate Arterial and Cutaneous Vascular Calcification in CKD Mice.
Journal of the American Society of Nephrology
2026 - Approach to Quality Control Used for the HOPE Consortium Trial to Reduce Pain and Opioid Use in Hemodialysis.
Clinical journal of the American Society of Nephrology
2025 - Focal Adhesion Kinase Promotes Calcification of Vascular Smooth Muscle Cells via Regulation of Histone Deacetylase 4 and 5.
Arteriosclerosis, thrombosis, and vascular biology
2025 - Activation and targetability of TYMP-IL-6-TF signaling in the skin microenvironment in uremic calciphylaxis.
Science translational medicine
2025
Contact
An office address from a public listing. This research profile has no federal registry record to draw from.
Office address
165 Cambridge Street, Suite 302, Boston, MA 02114
Background & recognition
Updated 14 Jul 2026
Credentials, appointments and honors, newest first, each linked to the public source it came from.
Educationdegrees and training on record
- verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →doctors.massgeneralbrigham.org ↗
- MBBS
Seth G. S. Medical College, University of Mumbai, India
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →learn.hms.harvard.edu ↗ - MMSc (Master in Clinical Sciences)
Harvard Medical School
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →learn.hms.harvard.edu ↗
Editorial & leadership rolesjournal and society appointments
- Co-Director
Kidney Research Center, Massachusetts General Hospital
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →learn.hms.harvard.edu ↗ - Co-Chair
International Consensus Panel on Calciphylaxis
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →calciphylaxis.mgh.harvard.edu ↗ - Founding member
International Calciphylaxis Advisory Panel
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →calciphylaxis.mgh.harvard.edu ↗
Awards & honorshonors on the public record
- Young Investigator Award
National Kidney Foundation
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →kidney.org ↗ - Clinical Scientist in Nephrology Award
American Kidney Fund
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →calciphylaxis.mgh.harvard.edu ↗ - Carl W. Gottschalk Research Scholar Grant
American Society of Nephrology
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →calciphylaxis.mgh.harvard.edu ↗
Secondary affiliationsappointments beyond the home institution
- Vascular Center
Massachusetts General Hospital
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →massgeneral.org ↗ - Founding member
MGH Interdisciplinary Calciphylaxis Team
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →calciphylaxis.mgh.harvard.edu ↗
Media & interviewspress, podcasts and appearances
- provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →docwirenews.com ↗
- verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →massgeneral.org ↗
Every item links to where we found it. verified means we've confirmed it in more than one place; provisional means we found it and are still confirming.
Online presence
Updated 14 Jul 2026
This person's own public accounts first, then places where others mention them. Two different things, listed separately.
Owned accountspublic accounts run by this person
- LinkedIn
linkedin.com/in/sagar-nigwekar-61192a15
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →linkedin.com ↗ - ResearchGate
researchgate.net/scientific-contributions/Sagar-U-Nigwekar-38144360
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →researchgate.net ↗
Mentions by otherswhere others cite or feature them
- Other
rsnhope.org/kidneytalk/new-hope-for-a-calciphylaxis-diagnosis
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →rsnhope.org ↗ - YouTube
youtube.com/watch
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →youtube.com ↗ - LinkedIn
LinkedIn: Sagar Nigwekar, Co-Director, Kidney Research Center
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →linkedin.com ↗
We list an account only when the public record ties it to this person. verified means we've confirmed the match in more than one place; provisional means it looks right but we're still confirming.
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