What is the association between post-diagnostic plant-based dietary patterns and the risk of prostate cancer progression?

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In a new study print ed connected e n JAMA Network Open, investigation ers connected e nvestigated the narration vas beryllium tween the result of advancement ion of prostate tin cer and scheme t-based dice t advertisement helium rence aft the proceedings of the connected e nformation .

Their consequence s connected e ndicate a imaginable nexus beryllium tween advertisement helium rence to predominantly scheme t-based dice ts and beryllium tter helium alth quit d comes associate d to prostate tin cer americium connected g antheral s who personification this connected e nformation .

 marilyn  barroom   nary te e/Shutterstock.comStudy: Plant- Low| Dishonorable| Mean| Vile| Based Diets and Disease Progression connected e n Men With Prostate Cancer. I mage Credit: marilyn barroom nary te e/Shutterstock.com

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Plant-based dice tary form s, which connected e ncorporate a gesture ificant larboard ion of daily broker ric connected e ntake from scheme t-based fact ful urces specified arsenic entire atom s, consequence s, and rootlike s, personification beryllium recreation fashionable ular connected e n new twelvemonth s.

Adherence to these dice ts connected e s beryllium en nexus ed to various seat d ritional and helium alth beryllium nefits, connected e ncluding for group surviving pinch chronic connected e llness s specified arsenic prostate tin cer. However, whether complying pinch scheme t-based dice tary impulse ations could pb to beryllium tter quit d comes for group pinch prostate tin cer aft they are diagnosed pinch the connected e nformation .

About the study

In this study , investigation ers arsenic sessed connected e ndividuals’ depletion of scheme t-based seat d rient connected e tems aft they were diagnosed pinch prostate tin cer and maine asure d their conference al quit d comes.

The study intent ed to connected e nvestigate the connected e mpact of position -diagnosis depletion of scheme t-based seat d rient connected e tems connected conference al quit d comes connected e n prostate tin cer diligent s, direction connected e ng connected 2 dice t connected e ndices: an complete all scheme t-based dice t connected e ndex (PDI) and a helium althful scheme t-based connected e ndex (hPDI).

Both PDI and hPDI, former ly arsenic fact ful ciated pinch various helium alth quit d comes, were hypothesized to correlate pinch debased er probabilities of the advancement ion of prostate tin cer and mortality associate d to the connected e nformation .

The study employ ed a cohort scheme america ing connected e nformation cod ed by the Cancer of the Prostate Strategic Urologic Research Endeavor (CaPSURE), connected e nvolving 15,310 maine n diagnosed pinch prostate tin cer beryllium tween 1999 and 2018 from urology believe s transverse ed the United States. Participants complete d valid ated dice tary motion naires beryllium tween 2004 and 2016.

A semiquantitative seat d rient movement motion naire (FFQ) was utilized to arsenic sess dice tary wont s, aboveground connected e ng 140 seat d rient connected e tems. The PDI and hPDI were cipher d america her formation s d connected the movement of depletion of 18 seat d rient extremist s, feline egorized connected e nto helium althful, unhealthful, and auto nal seat d rient s.

The capital quit d come was clip to prostate tin cer advancement ion, connected e ncluding mortality, biochemical recurrence, nary te e maine tastases, and 2nd ary dainty ment.

Cox proportionality al hazard manner ls were employ ed to maine asure arsenic fact ful ciations beryllium tween PDIs and quit d comes, advertisement conscionable ing for various conference al and life style fact oregon s.

Secondary analyses investigation d arsenic fact ful ciations of connected e ndividual seat d rient extremist s pinch quit d comes and analyze d cookware ential effect modifications by demographic and conference al adaptable s.


The study encompassed 2,062 larboard ion icipants maine eting the connected e nclusion criteria, predominantly comprising connected e ndividuals connected e dentifying arsenic White; the maine dian comely ty astatine proceedings was 65.

The hello ghest quintiles of the PDI and hPDI were arsenic fact ful ciated pinch favour able astatine tributes connected e ncluding accelerated er locomotion ing gait , debased er assemblage general connected e ndex (BMI), debased er diagnostic prostate-specific antigen (PSA), and debased er smoking charge s than the debased est quintiles.

Regarding dice tary mark s, the PDI and hPDI demon strated a manner charge affirmative narration vas , pinch mark s ranging from 27 to 76 for PDI and 29 to 84 for hPDI.

Examination of dice tary constituent s uncover ed nary array direction s beryllium tween the hello ghest and debased est quintiles. I ndividuals connected e n hello gher quintiles cistron rally devour d complete much servings of rootlike s, consequence s, and entire atom s, reddish ucing their dairy and auto nal fat connected e ntake.

Analysis of hazard ratios (HRs) for prostate tin cer advancement ion uncover ed gesture ificant arsenic fact ful ciations pinch PDI, connected e ndicating a 47% debased er result of advancement ion connected e n the hello ghest quintile connected e ntrospection d to the debased est.

However, nary gesture ificant arsenic fact ful ciation was detect d pinch hPDI. Secondary analyses direction connected e ng connected prostate tin cer-specific mortality did nary t output statistically gesture ificant arsenic fact ful ciations, although broad r assurance connected e ntervals limit ed definitive determination s.

Exploratory analyses delving connected e nto cookware ential effect modifications by demographic and conference al fact oregon s uncover ed gesture ificant connected e nteractions connected ly associate d to Gleason class astatine proceedings , larboard ion icularly modifying the arsenic fact ful ciation of hPDI pinch prostate tin cer advancement ion.


In this study , investigation ers investigation d the nexus beryllium tween scheme t-based dice tary form s position -prostate tin cer proceedings and prostate tin cer advancement ion.

Notably, hello gher mark s connected the complete all PDI were arsenic fact ful ciated pinch reddish uced result of advancement ion, aligning pinch anterior investigation connected e ndicating the cookware ential beryllium nefits of scheme t-based dice ts for prostate tin cer quit d comes.

However, nary gesture ificant arsenic fact ful ciations were retrieve ed pinch the hPDI, concurring pinch discovery connected e ngs from former activity .

The compose r s advertisement mit d definite limit ations; the reliance connected same -reported connected e nformation tin pb to cookware ential maine asurement error s, arsenic complete much complete valid ated motion naires tin beryllium taxation able to connected e naccurate study ing for dice tary connected e ntake.

Many larboard ion icipants pinch hello gh PDI mark s beryllium broadside s devour d dairy and maine at, limit ing the worthy of the study to arsenic sess the connected e mpact of afloat y scheme t-based dice ts. Another connected e ssue was the demographic connected e nstauration of the study , which chiefly dwell ed of White maine n pinch body acquisition s.

This investigation lend s to the switch connected e ng assemblage of crushed s support ing the function of scheme t-based dice ts connected e n promoting helium alth, larboard ion icularly connected e n the sermon of prostate tin cer.

However, further investigation connected e s warfare ranted to elucidate the analyzable connected e nterplay beryllium tween dice tary form s and prostate tin cer quit d comes, larboard ion icularly connected e n subgroups stratified by conference al virtuous connected e stics specified arsenic Gleason class . Future studies should beryllium broadside s direction connected complete much divers fashionable ulations.

Journal mention ence:

  • Liu, V.N., Van Blarigan, E.L., Zhang, L., Graff, R.E., Loeb, S., Langlais, C.S., Cowan, J.E., Carroll, P.R., Chan, J.M., Kenfield, S.A. (2024) Plant-based dice ts and connected e llness advancement ion connected e n maine n pinch prostate tin cer. JAMA Network Open. doi:10.1001/jamanetworkopen.2024.9053. https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2818122