Assistant Professor @harvardmed. Geriatrician, Clinical Researcher @VABostonHC @BrighamWomens @DFCIPopSci. Integrating #geriatrics into #oncology.
Boston, MA
Joined September 2015
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Patient preferences, assessing age-related vulnerability, and balancing treatment benefits with harms are essential to minimizing #undertreatment and #overtreatment in older adults with cancer. @WilliamDale_MD @MelissaLoh21 @myCARG @SIOGorg @AmerGeriatrics @geronsociety @ASCO
Undertreatment & overtreatment of older adults w/ cancer are often discussed, but poorly defined. More rigorous & standardized definitions are needed fal.cn/37KaF #GeriHeme #JCO @cdumonti @WilliamDale_MD
Clark DuMontier, MD, MPH retweeted
If you’re interested in improving research for older adults w cancer, I highly recommend applying to the @SIOGorg Research Masterclass, organized w the @myCARG
A unique opportunity to refine research ideas w leading experts in #GeriOnc
📅 Apr 8-10
siog.org/siog-2026-research-…
⏳Deadline Approaching! Apply by 3/8 to join the SIOG/CARG Masterclass. Only 20 seats available — an immersive, hands‑on experience with global GO experts. Don’t miss your chance! Apply now: siog.org/ @myCARG @WilliamDale_MD @SIOGorg @GrantWilliamsMD @EtienneB66
Clark DuMontier, MD, MPH retweeted
Absolutely a pleasure to be working with Prof. Lefkowitz! She's a spectacular qualitative researcher, and we're thankful to the hearstfdn.org/ for the support. Together, along with @cdumonti and @myCARG , we are studying how to bring #GeriatricAssessment to older adults everywhere!! @cityofhope @crisbergerot @EnriqueSoto8 @montypal – at Glendora, CA
Highlighting research led by @WilliamDale_MD + Dr. Deborah Lefkowitz, funded by #HearstFoundation. Their work uses geriatric assessment #GA to improve #CancerCare and support #SharedDecisionMaking for #OlderAdults!
#CancerResearch #CityofHope #CARG @cdumonti @crisbergerot @SIOG
Clark DuMontier, MD, MPH retweeted
Delighted to share our @AnnalsofIM review on Frailty - including practical tips for inpatient and outpatient care: doi.org/10.7326/ANNALS-25-04…
@WHOCenterFrailt @FrailtyMD @MassGenBrigham @VABostonHC @DrDamluji @GlobalFrailty @AaronTroyMD @agingdoc1 @ClinSTARCC
Clark DuMontier, MD, MPH retweeted
Proud to publish in @JCOOP_ASCO ascopubs.org/doi/full/10.120…
Our design, implementation, & outcomes of our geriatric oncology program - emphasizing the role of health informatics & population health tools @PC3Innovation
Clark DuMontier, MD, MPH retweeted
🔍 Over- and Undertreatment at #SIOG2025
At the @SIOGorg 2025 plenary in Ghent, experts tackled a critical question in geriatric oncology: when is treatment too much, too little - and how do we decide?
Chairs William Dale (@WilliamDale_MD) and Clark DuMontier (@cdumonti) presented clear definitions to replace vague labels, emphasizing that decisions must be grounded in geriatric assessment and ethical principles. Speakers showed how vulnerabilities, modifiable risks, and the treatment itself all shape whether care is appropriate.
A key message came from patient advocate Ann Pennella: real quality care happens when evidence, geriatric data, and patient values align.
The session’s takeaway was simple but powerful:
👉 Over- and undertreatment aren’t about the amount of therapy, but whether it’s right for the individual older adult.
oncodaily.com/library/over-a…
#OncoDaily #Oncology #Cancer #Health #Medicine #MedTwitter #MedEd #MedOnc #MedNews #SIOG25Years #SIOG25th #SIOG25 #SIOG2025 #GeriatricOncology #Ghent2025 #GeriOnc #OncologyCommunity
Clark DuMontier, MD, MPH retweeted
Stellar talk by @WilliamDale_MD ! A masterclass on redefining over- and undertreatment in older adults with cancer. Important insights on moving beyond guideline-driven care toward ethical, patient-centered decision-making. Truly thought-provoking & inspiring @SIOGorg #SIOG2025
Clark DuMontier, MD, MPH retweeted
Congratulations to @vani_katheria on a fantastic presentation! Proud to be part of this program and to support this important study in Brazil 🇧🇷
@myCARG @WilliamDale_MD #GOTO #SIOG2025 #SIOG25 @SIOGorg
Clark DuMontier, MD, MPH retweeted
Delighted to be here in Ghent, Belgium, for the special Anniversary Edition of SIOG - International Society of Geriatric Oncology !
Always a joy to hang out with so many illuminaries from the #GeriOnc galaxy. See you all soon!
Especially excited for Vani Katheria to present our Rising Tide Group -supported GOTO program infrastructure from City of Hope and Cancer and Aging Research Group (@myCARG) , showing all the work to build a whole new way to do trials for older adults.
Also, to present our Plenary Symposium on avoiding the Overtreatment/Undertreatment dilemmas using #GeriatricAssessment with Mslissa Loh, MD, MS, FACCC, FASCO, AGSF , Siri Rostoff, Suzanne Fesden, and Anne Pennela. Will miss @cdumonti , who put so much work into this!
#SIOG2025
@GrantWilliamsMD
American Society of Clinical Oncology (@ASCO)
@SIOGorg - International Society of Geriatric Oncology – at Ghent, Belgium
Clark DuMontier, MD, MPH retweeted
The Division of Population Sciences @DFCIPopSci
@DanaFarber @harvardmed is recruiting a new independent faculty member to establish a highly innovative research program among the pillars of PopSci - more info in the link + please share widely! careercenter.asco.org/job/76…
Clark DuMontier, MD, MPH retweeted
Cost-Utility of Geriatric Assessment and Management in Older Adults With #Cancer: Model-Based Economic Evaluation.
ascopubs.org/doi/10.1200/JCO…
@ASCO @JCO_ASCO @JCOOP_ASCO
#GeriOnc #Geriatrics #SuppOnc
@myCARG @siognah @YoungSIOG
Clark DuMontier, MD, MPH retweeted
The Division of Population Sciences @DFCIPopSci @DanaFarber @harvardmed is recruiting a new independent faculty member to establish a highly innovative research program geared toward improving cancer care - more info in the link and please share widely! careers.jamanetwork.com/job/…
Clark DuMontier, MD, MPH retweeted
Day 2 at @NCODAorg , and I'm ready to present! lf you are here in Orlando, please come listen to the 10:45am keynote talk (including CE credits):
"Geriatric Oncology: Wisdom, Wellness, and Personalized Care"
I'll be discussing how to care for the >50% of cancer patients over the age of 65.
Including:
👉 American Society of Clinical Oncology (@ASCO) new Guidelines
👉 The new Practical Geriatric Assessment (PGA) tool to meet the Guideline available from Cancer and Aging Research Group (@myCARG)
👉 The infrastructure we've built to support research and program implementation
👉 How #SupportiveCare can help avoid toxicities and improve decision making in #GeriOnc
Thank you for the opportunity, NCODA . Hope to see you there!
@cityofhope
@SIOGorg
@AmericanCancer
@AmerGeriatrics Society
@cdumonti
Our work as a featured article in @JNCCN on validating the predictive value of the Geriatric Oncology-Potentially Inappropriate Medications scale (GO-PIMs), developed @DanaFarber and now tested throughout the national @DeptVetAffairs: nccn.org/home/news/newsdetai…
@myCARG @siog
Expert commentary by Drs. Mostafa Mohamed and Erika Ramsdale: jnccn.org/view/journals/jncc…
Clark DuMontier, MD, MPH retweeted
VA Boston HCS researchers validated the use of a specifically-curated tool for determining which medications may be causing harm for older patients with cancer, according to research published in the Journal of the NCCN's September 2025 issue... va.gov/boston-health-care/st…
Clark DuMontier, MD, MPH retweeted
In @sciencemagazine, @cdumonti of @danafarber discusses his recent publication in @JNCCN, which introduces simplified methods to detect harmful medications in older cancer patients.
Read more: bit.ly/3Keb4cB
Clark DuMontier, MD, MPH retweeted
Our study tested GAIN-S in older adults w metastatic cancer 🇧🇷
➡️ GAIN-S improved emotional + adaptive aspects of prognostic awareness vs usual care
Full paper acsjournals.onlinelibrary.wi…
Thanks to @WilliamDale_MD @Areejmd @EnriqueSoto8 @PauloBergerot @RyanNipp
Clark DuMontier, MD, MPH retweeted
Belgian G-oncoCOACH: QoL ⬆️ with CGA + pt coaching in older cancer pts receiving systemic therapy! The Lancet Healthy Longevity. Great collaboration between @UZBrussel and @UZLeuven. @CindyKenis thelancet.com/journals/lanhl…
Clark DuMontier, MD, MPH retweeted
In new ethics research @BioMedCentral Med Ethics, investigators from @brighamwomens and colleagues determined the principles underlying over- and undertreatment of older adults with cancer.
Read more: bmcmedethics.biomedcentral.c… @cdumonti @ASCO @ConquerCancerFd
