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Paul Ridker
Born1959 (age 64–65)
St. Louis, Missouri
Alma mater
Scientific career
Institutions

Paul M. Ridker (born 1959) is a cardiovascular epidemiologist and biomedical researcher. He is currently the Eugene Braunwald Professor of Medicine at Harvard University and Brigham and Women's Hospital, where he directs the Center for Cardiovascular Disease Prevention. Ridker also holds an appointment as Professor in the Department of Epidemiology at the Harvard T.H. Chan School of Public Health.

Ridker's research has provided proof-of-principle for the inflammation hypothesis of atherosclerosis, the first FDA approved diagnostic test for vascular inflammation, and the first proven anti-inflammatory treatment for coronary artery disease.[1][2][3][4][5] He is among the most cited researchers in cardiovascular medicine in the world and has an H-index above 220.[6][7]

Early life

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Ridker was born in St. Louis, Missouri in 1959.[8] He attended Brown University for his undergraduate studies, graduating with a Bachelor of Science in 1981. He attended Harvard Medical School, where he received his MD in 1986; Ridker completed his residency at Brigham and Women’s Hospital and West Roxbury VA Medical Center in Boston, Massachusetts. In 1992, Ridker earned a Master of Public Health degree at the Harvard T.H. Chan School of Public Health.[6]

Career

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Ridker’s translational research combines the tools of epidemiology, vascular biology, and randomized clinical trials to determine the root causes of heart disease, stroke, and diabetes. He is responsible for the clinical development of high sensitivity C-reactive protein (hsCRP), a marker of inflammation, that is used to evaluate the risk of heart attack and stroke, and coined the term “residual inflammatory risk” to describe patients who are at risk due to vascular inflammation rather than high cholesterol levels. Early in his career, Ridker recognized that elevated cholesterol levels were absent in almost half of all heart attack victims and that the pro-inflammatory response detected by hsCRP and the central signaling cytokine Interleukin 6 were responsible for a large proportion of “unexplained risk”.[9][10][11]

Ridker is best known for his work developing inflammatory biomarkers and his clinical trials defining anti-inflammatory treatments for cardiovascular disease. In 1997, Ridker showed that elevated levels of hsCRP and interleukin-6 in healthy individuals were a major risk marker for future heart attack, stroke, diabetes, and cardiovascular death, independent of traditional risk factors.[9][10][11] Between 1998 and 2005, Ridker showed that individuals with elevated hsCRP but low levels of cholesterol were at substantial risk and that statin drugs used to lower cholesterol also lowered hsCRP and thus had important anti-inflammatory properties. This work, largely funded by the National Institutes of Health, eventually led to the design and conduct of the multi-national JUPITER primary prevention trial which in 2008 demonstrated that individuals with elevated hsCRP levels could reduce by half their risk of future heart attack or stroke by taking statin therapy, even if cholesterol levels were already low.[12]

Critical proof of the inflammation hypothesis of atherosclerosis came when Ridker and his international collaborators focused on the NLRP3 to Interleukin-1b to Interleukin-6 pathway of innate immunity and its role in coronary disease. Toward this end, in 2010, Ridker obtained parallel funding from the National Heart Lung and Blood Institute and from the pharmaceutical industry to design and conduct two multi-national cardiovascular inflammation reduction trials known as CANTOS[13] and CIRT.[14] The CANTOS (Canakinumab Anti-inflammatory Thrombosis Outcomes Study) reported in late 2017 that inflammation inhibition with Canakinumab, a monoclonal antibody targeting interleukin-1-beta, can significantly reduce future risks of heart attack, need for expensive coronary revascularization procedures, and cardiovascular deaths among high-risk heart disease patients with residual inflammatory risk.[15] Canakinumab had no effects on either cholesterol or blood pressure, and thus these data provided the fundamental first proof-of-concept for the inflammation hypothesis of atherosclerosis.[4][5] CANTOS also demonstrated that the magnitude of inflammation reduction, as measured by on-treatment levels of Interleukin-6, drives the cardiovascular benefit with 36% decreases in cardiovascular death and all-cause mortality among robust Canakinumab responders.[16][17] In contrast, the federally funded CIRT (Cardiovascular Inflammation Reduction Trial) showed no benefit to low-dose Methotrexate but also no evidence of lowering Interleukin-1b, Interleukin-6 nor CRP. Thus, the positive CANTOS trial and the informative null CIRT trial defined the need to reduce signaling from the NLRP3 to Interleukin-1 to Interleukin-6 in order to lower vascular event rates. These findings were replicated with low-dose Colchicine in the 2019 COLCOT and 2020 LoDoCo2 trials. Ongoing work from Ridker’s group is testing whether direct targeting of Interleukin-6 itself can improve cardiovascular outcomes.[18]

Ridker’s work has had wide biologic implications beyond atherosclerosis and heart disease. By reducing inflammation in the tumor microenvironment, CANTOS also demonstrated highly significant reductions in lung cancer and lung cancer fatality.[19] These data have generated broad interest within the academic and pharmacologic communities resulting in multiple trials studying Interleukin-1 inhibition with or without adjunctive checkpoint inhibition as a novel therapy for non small cell lung cancers. Work from CANTOS has also demonstrated the potential human benefits of targeted Interleukin-1 therapy on anemia, renal failure, and large joint osteoarthritis.

In his work as a clinical trialist, Ridker has designed, conducted, and served as Trial Chair of the Steering Committee of PRINCE, VAL-MARC, PREVENT, LANCET, JUPITER, SPIRE-1, SPIRE-2, CANTOS and CIRT, as well as the ongoing PROMINENT, ACTIV-4B, and ZEUS trials.

Honors and awards

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See also

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References

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  1. ^ "Researchers find apparent trigger of heart attack and strokes". New York Times. April 3, 1997.
  2. ^ "Artery inflammation is linked to heart attacks and strokes". Wall Street Journal. April 3, 1997.
  3. ^ "Predicting heart attacks". New York Times. November 17, 2002.
  4. ^ a b Baylis RA; et al. (November 2017). "The CANTOS Trial. One Important Step for Clinical Cardiology but a Giant Leap for Vascular Biology". Arteriosclerosis, Thrombosis, and Vascular Biology. 37 (11): e174–e177. doi:10.1161/ATVBAHA.117.310097. PMC 5685554. PMID 28970294.
  5. ^ a b Ibanez B, Fuster V (2017-12-08). "CANTOS. A Gigantic Proof-of-Concept Trial". Circulation Research. 121 (12): 1320–1322. doi:10.1161/CIRCRESAHA.117.312200. PMID 29217712.
  6. ^ a b "Paul M. Ridker, MD - Department of Medicine, Brigham and Women's Hospital, Harvard Medical School"". Archived from the original on 2017-03-12. Retrieved 2017-03-19.
  7. ^ "Paul M Ridker, MD, MPH – Division of Preventive Medicine". Retrieved 2022-02-11.
  8. ^ "Ridker appointed to Braunwald chair at Harvard". Medscape. Retrieved 2022-02-11.
  9. ^ a b Ridker PM; et al. (3 April 1997). "Inflammation, aspirin, and the risk of cardiovascular disease in apparently healthy men". N Engl J Med. 336 (14): 973–979. doi:10.1056/NEJM199704033361401. PMID 9077376. S2CID 27276154.
  10. ^ a b Ridker PM; et al. (23 March 2000). "C-reactive protein and other markers of inflammation in the prediction of cardiovascular disease in women". N Engl J Med. 342 (12): 836–843. doi:10.1056/NEJM200003233421202. PMID 10733371.
  11. ^ a b Ridker PM; et al. (18 April 2000). "Plasma concentration of interleukin-6 and the risk of future myocardial infarction among apparently healthy men" (PDF). Circulation. 101 (15): 1767–1772. doi:10.1161/01.cir.101.15.1767. PMID 10769275.
  12. ^ Ridker PM; et al. (20 November 2008). "Rosuvastatin to prevent vascular events in men and women with elevated C-reactive protein". N Engl J Med. 359 (21): 2195–2207. doi:10.1056/NEJMoa0807646. PMID 18997196.
  13. ^ Ridker PM et al, on behalf of the CANTOS Trial Group (21 September 2017). "Antiinflammatory therapy with canakinumab for atherosclerotic disease". N Engl J Med. 377 (12): 1119–1131. doi:10.1056/NEJMoa1707914. hdl:10447/299082. PMID 28845751.
  14. ^ Ridker PM et al, on behalf of the CIRT Investigators (21 February 2019). "Low dose methotrexate for the prevention of atherosclerotic events". N Engl J Med. 380 (8): 752–762. doi:10.1056/NEJMoa1809798. PMC 6587584. PMID 30415610.
  15. ^ Ridker PM; et al. (2017-09-21). "Antiinflammatory Therapy with Canakinumab for Atherosclerotic Disease". New England Journal of Medicine. 377 (12): 1119–1131. doi:10.1056/NEJMoa1707914. hdl:10447/299082. PMID 28845751.
  16. ^ Ridker PM et al for the CANTOS Trial Group. (13 November 2017). "Relationship of C-reactive protein reduction to cardiovascular event reduction following treatment with canakinumab: a secondary analysis from the CANTOS randomised controlled trial" (PDF). Lancet. 391 (10118): 319–328. doi:10.1016/S0140-6736(17)32814-3. PMID 29146124. S2CID 46826628.
  17. ^ Ridker PM; et al. (14 June 2020). "Residual inflammatory risk associated with interleukin-18 and interleukin-6 after successful interleukin-1β inhibition with canakinumab: further rationale for the development of targeted anti-cytokine therapies for the treatment of atherothrombosis". Eur. Heart J. 41 (23): 2153–2163. doi:10.1093/eurheartj/ehz542. PMID 31504417.
  18. ^ Ridker PM (February 2019). "Anticytokine agents: Targeting interleukin signaling pathways for the treatment of atherothrombosis". Circ. Res. 124 (3): 437–450. doi:10.1161/CIRCRESAHA.118.313129. PMC 6386195. PMID 30702995.
  19. ^ Ridker PM; et al. (27 August 2017). "Effect of interleukin-1β inhibition with canakinumab on incident lung cancer in patients with atherosclerosis: exploratory results from a randomised, double-blind, placebo-controlled trial" (PDF). Lancet. 390 (10105): 1833–1842. doi:10.1016/S0140-6736(17)32247-X. PMID 28855077. S2CID 46881554.
  20. ^ Shaw, Jonathan (2020-10-22). "Harvard Professors Elected to the National Academy of Medicine". Harvard Magazine. Retrieved 2022-02-11.
  21. ^ "Previous Distinguished Scientist Recipients". professional.heart.org. Retrieved 2022-02-11.
  22. ^ "Dies Natalis 2009, Universiteit Utrecht 373 jaar - Organisatie - Universiteit Utrecht". www.uu.nl (in Dutch). Retrieved 2022-02-11.
  23. ^ "The 2004 TIME 100 - TIME". Time. Retrieved 2022-02-11.
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