Smitha Krishnamurthi

2.1K posts

Smitha Krishnamurthi

Smitha Krishnamurthi

@smitha42

Gastrointestinal medical oncologist @clevelandclinic. Tweets are my own.

Cleveland, OH, USA Katılım Kasım 2010
2.3K Takip Edilen2.7K Takipçiler
Tiago Biachi
Tiago Biachi@BiachiTiago·
Honored to step into the role of Section Head for Colorectal Cancer at @MoffittNews Warm congratulations to my colleagues who have been appointed Section Heads for their respective disease sites — truly a strong team moment. Looking forward to driving meaningful progress together for our patients. #MoffittCancerCenter #colorectalcancer
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Nicholas Hornstein
Nicholas Hornstein@GIMedOnc·
Daraxonrasib in PDAC now published in NEJM. We have had press releases and presentations, but now a publication. And yes, the data still look very real. 🧬 Pancreatic cancer is a RAS disease. 90% have activating RAS mutations. G12D, G12V, G12R dominate. And historically we have had essentially nothing direct to do about it (G12C inhibitors exist but they are a subpopulation). Phase 1/2 Previously treated RAS-mutant PDAC n=168 Oral RAS(ON) multi-selective inhibitor Phase 3 dose: 300 mg daily • ORR 35% • mDoR 8.2 months • mPFS 8.5 months • mOS 13.1 months As context; 2L chemo w/ PDAC has ORR <10% with OS ~5-7 months and significant side effects. So yes, this is huge. Toxicity is real too: • Any-grade TRAE 96% • Grade ≥3 TRAE 30% • Rash, diarrhea, nausea, mucositis, vomiting, fatigue This is not a “write the script and see them in a month” drug. Up-front oncoderm involvement is going to be critical. Rash needs to be anticipated, managed early, and dose modifications need to be normalized rather than viewed as failure. BUT this is a absolute game-changer in pancreas cancer (and other KRAS driven diseases). Importantly, this no longer exists in a phase 1/2 vacuum. By press release, RASolute 302 met its primary and key secondary endpoints, with PFS and OS benefit versus standard chemotherapy. Full data still matter, but the confirmatory study appears to have confirmed the signal. Terrible disease. Great signal. Real (but manageable) toxicity. Practice-changing. nejm.org/doi/full/10.10… @OncoAlert @TheGutOncLab @Onco_Nexus
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Smitha Krishnamurthi
Smitha Krishnamurthi@smitha42·
👀This novel study using methylation scores to identify exposures in patients with #Colorectal #Cancer finds an association with the herbicide picloram and #EOCRC- a potential new risk factor worthy of study! Picloram was introduced in the US in 1963. Congrats to authors @VHIO
Eric Topol@EricTopol

Why are we seeing so much early-onset colorectal cancer? The correlation with pesticide exposure and its epigenetic signature, adjusted for all known risk factors. (doesn't establish cause and effect) nature.com/articles/s4159…

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Dennis Hsu
Dennis Hsu@DennisJHsu·
Today wraps up my time on faculty at UPMC. I’m incredibly grateful to my team, co-faculty, research collaborators, and the people of Pittsburgh and western PA who have trusted me with their care. Wherever I go, I’ll have a cool signed Pirates hat!
Dennis Hsu tweet mediaDennis Hsu tweet media
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Pauline Funchain
Pauline Funchain@FunchainMD·
Amazing honor @ASCO - thank you 🙏 Have to thank @HwakeleeMD and @jamecancerdoc for their support to grow in their cancer centers to get to this point, and @montypal @BrainTumorDoc @PGrivasMDPhD @VamsiVelcheti for being inspirations along the way 🏔️
Stanford Cancer Institute@StanfordCancer

Congratulations to Pauline Funchain, associate director of training and education at the Stanford Cancer Institute, on being selected for the 2026-2027 @ASCO Leadership Development Program: Education Scholars class. brnw.ch/21x1NDe @FunchainMD

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Dr. Cathy Eng
Dr. Cathy Eng@CathyEngMD·
Out of press! Amivantamab (fully human, bispecific IgG1 monoclonal antibody) that targets EGFR and MET Monotherapy in Chemorefractory RAS/BRAF Wild-Type Metastatic Colorectal Cancer: Results From OrigAMI-1, an Open-Label, Phase Ib/II Study | Journal of Clinical Oncology ascopubs.org/doi/10.1200/JC… @ASCO #colorectalcancer #cancer Enroll to #Origami2 (NCT06662786) and #Origami3 (NCT06750094) Vanderbilt University Medical Center
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Smitha Krishnamurthi
Smitha Krishnamurthi@smitha42·
Very sad to see this. I remember Asal speaking so passionately about the need for clinical trials with the goal of extending the benefit of immunotherapy to all patients with colorectal cancer. @CathyEngMD @ctycka @FightCRC
Amy Klobuchar@amyklobuchar

After a valiant battle with cancer, we lost my former staffer Asal Sayas. She had many friends and admirers, including me. While battling her own cancer, she worked on President Biden’s Cancer Moonshot to expand access to clinical trials. My heart is with her loved ones.

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Mark Lewis, MD, FASCO
Mark Lewis, MD, FASCO@marklewismd·
Since many of you have supported my daughter’s paintings when I’ve shared them on here, I’m delighted to report that she just won a statewide award among Utah high school students for her excellence in the visual arts I am one proud papa! deseret.com/utah/2026/04/1…
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Banana Oncology
Banana Oncology@Banana_Oncology·
Heard Bob is (finally) retiring soon. What a celebrating career and thanks for all he did for the entire oncology field His training record is also completely off the chart. Look at the lineage from his lab, absolutely amazing!
Pearl Freier@PearlF

Cancer biologist Bob Weinberg & @WhiteheadInst @MITBiology research on molecular & biochem. determinants of neoplastic cell transformation led 2 discovery of the 1st functionally validated human oncogene (Ras) '79-'81. Paved the way 4 this wk’s Phase 3 #pancreaticcancer #pancsm data re: daraxonrasib $RVMD. ≈ 90% of pancreatic cancer cases are KRAS-driven. Amgen’s sotorasib (Lumakras) FDA approval in 2021 was the 1st FDA-approved KRAS inhibitor. Dr. Bob Weinberg is arguably the most influential cancer biologist of the last 50 yrs.

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Nicholas Hornstein
Nicholas Hornstein@GIMedOnc·
IMHOTEP just gave us something we’ve been looking for in MSI-H colon cancer: prospective single-agent PD-1 data in the localized setting. And honestly… this is great. 🧬 Because the field now looks like this: • NICHE-1 / NICHE-2 → dual IO, pCR ~60–67% in colon (and no recurrences) • Dostarlimab nonoperative rectal cancer study → single-agent PD-1, opening the NOM conversation Now IMHOTEP (pembro alone 1-2 cycles neoadjuvant and 1 year afterward): • pCR: 53% overall • 1 cycle: 46% • 2 cycles: 68% • Median follow-up ~24 months • Only 3 recurrences 👀 ~70% pCR with just two doses of pembrolizumab is impressive. But what stands out is the follow-up. At ~2 years, 3 recurrences. Now compare: NICHE-2 (nivo + ipi 2 cycles neoadjuvant) • pCR ~67% • Near-universal response rates • No recurrences IMHOTEP (pembro 2 cycles neoadjuvant + 1 year after) • pCR ~68% (with 2 cycles) • Low early recurrence signal Questions I'm pondering: Is that additional year of single agent worth it? Should we be offering nonoperative management or using a neoadjuvant playbook (100% DFS is incredibly). 🤔 Wondering what other people are doing for these patients today... ascopubs.org/doi/10.1200/JC… @OncoAlert @Onco_Nexus @TheGutOncLab @OncBrothers
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Anirban Maitra
Anirban Maitra@Aiims1742·
🚨🚨🚨 RASOLUTE-302 Ph3 is POSITIVE "Daraxonrasib demonstrated a median OS of 13.2 months versus 6.7 months for chemotherapy, with a hazard ratio of 0.40 (p < 0.0001)".... WOW! AMAZING news for patients with #PancreaticCancer The RAS Revolution is ON!! ir.revmed.com/news-releases/…
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Smitha Krishnamurthi
Smitha Krishnamurthi@smitha42·
With the new BREAKWATER FOLFIRI data, when it’s time to drop oxaliplatin due to neuropathy, I will add in irinotecan. The last patient I treated before this data came out had a wonderful response to FOLFOX/encorafenib/cetux but then the CEA started climbing soon after oxaliplatin was stopped. Wish exceptional responses were the norm!
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Nicholas Hornstein
Nicholas Hornstein@GIMedOnc·
Just made a decision I never expected to make in BRAF V600E mCRC: Stopping treatment. Peritoneal metastases. BREAKWATER regimen. ctDNA negative >1 year. Direct peritoneal visualization — clear. Two years on treatment. After initial response, I dropped oxaliplatin and maintained on 5-FU + encorafenib + cetuximab for ~18 months with excellent tolerability and sustained response. Two questions for #GIOnc Twitter: 1️⃣ Should maintenance de-escalation (drop oxali, continue 5-FU/enco/cetux) be standard after response in BRAF+ mCRC? 2️⃣ For exceptional responders with sustained ctDNA negativity and no detectable disease — is it safe to study treatment holidays? n=1 ≠ evidence. But exceptional responders reveal biology. And biology should drive the next trial designs. @OncoAlert @TheGutOncLab
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