John de Groot, MD (@J_deGrootMD) header
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Professor, Neuro-Oncology. Clinician, scientist, husband, dad, swimmer.Tweets are my own.

San Francisco, CA
Joined December 2015
Photo by John de Groot, MD (@J_deGrootMD)Photo by John de Groot, MD (@J_deGrootMD)Photo by John de Groot, MD (@J_deGrootMD)Photo by John de Groot, MD (@J_deGrootMD)Photo by John de Groot, MD (@J_deGrootMD)Photo by John de Groot, MD (@J_deGrootMD)Photo by John de Groot, MD (@J_deGrootMD)Photo by John de Groot, MD (@J_deGrootMD)Photo by John de Groot, MD (@J_deGrootMD)Photo by John de Groot, MD (@J_deGrootMD)
John de Groot, MD retweeted
Our newly activated trial is specifically designed for patients with oligodendroglioma (CIC mutated) and NF1-associated gliomas clinicaltrials.gov/ct2/show/…. Excited to announce this unique trial and accrue patients! #endcancer, @MDAndersonNews
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John de Groot, MD retweeted
Really wonderful @NBTStweets walk today. Nice to see so many clinicians, scientists, patients, and caregivers together! @NeurosurgUCSF @UCSFCancer @UCSF
Team ⁦@NeurosurgUCSF⁩ representation at ⁦@NBTStweets⁩ walk ⁦@sfzoo⁩!! Such an inspiring event celebrating and honoring our patients.
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John de Groot, MD retweeted
Exciting news from #ASCO23. The phase III INDIGO trial demonstrated very promising results. If approved, the drug vorasidenib could become a new standard of care for patients with grade 2 IDH mutant oligodendrogliomas and astrocytomas.
INDIGO results just presented at #ASCO23: Vorasidenib significantly reduced the risk of disease progression or death compared with placebo in patients with IDH-mutant grade 2 glioma: fal.cn/3yO0q #ASCODailyNews @MSKCancerCenter #hncsm
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John de Groot, MD retweeted
Replying to @WilliamCChen1
@WilliamCChen1 presenting his award-winning research on a biomarker that predicts #meningioma radiation response at #ASCO2023. Photo credit to @J_deGrootMD @JennieWTaylor and Susan Chang! @NeurosurgUCSF @UCSFCancer @UCSF
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GBM AGILE leadership gathering at #ASCO2023 Coming up on 4 years since the study opened to enrollment, we have exciting plans to maximize learning from every patient. Thank you trial leadership for your commitment to accelerating treatment discovery for patients with #glioblastoma #FasterTogether @TCloughesy @xelamb @J_deGrootMD @gliomadoc @ben_ellingson @MKhasraw @delaFuenteNOnc @NicholasBlondin @NBTSCSO @VPuduvalli @BerryConsultant + more
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The Kintara team was honored to ring the @NASDAQ #ClosingBell today alongside @GCAResearch and @NBTStweets in commemoration of National #BrainTumor Awareness Month. #GoGrayinMay Learn more about our work: bit.ly/3Wmxc6G $KTRA #KTRA
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Congratulations to @GCAResearch & @Kintara_Thera for ringing the NASDAQ closing bell with our #GBMAGILE partners, patients, caregivers, and physicians united to raise awareness of the critical, unmet need for new treatment options for patients with GBM.
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Thank you @Nasdaq for inviting us to ring the closing bell in honor of National Brain Tumor Awareness Month! #GoGrayinMay
.@GCAResearch and partners join us at MarketSite to close the markets to bring awareness to #BrainTumorAwarenessMonth. The Global Coalition for Adaptive Research, GCAR, is a global research organization that leads GBM AGILE, an innovative clinical trial for patients with glioblastoma or G.B.M. to help champion and expedite the discovery, development and implementation of treatment.
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Thank you to everyone who joined us @Nasdaq today! @NBTStweets @NFCR @AFCR_org @StacheStrong @BayerPharma @KaziaTx @Kintara_Thera @vigeotx @biohaven Polaris Pharmaceuticals @xelamb, @Sujuan_Ba Patrick Wen, Ingo Mellighoff, @ErikSulman, @J_deGrootMD, Andrew Lassman
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Have you considered participating in a clinical trial? Get tips for navigating the process and overcoming barriers in accessing them during a free webinar. Register: bit.ly/MayWebinar23 #btsm #braintumor @MDAndersonNews
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John de Groot, MD retweeted
Congratulations to our department chair Edward Chang, MD, on receiving @SNS_Neurosurg's Winn Prize! 🎉 He is the 2nd @UCSF neurosurgeon to be honored with this prestigious award recognizing an outstanding commitment to neuroscience research. #SNS2023 #UCSFproud @CNS_Update
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GCAR Associate Clinical Scientist, Emma Viktoria Hyddmark at #AACR23 with the #GBMAGILE clinical trial in progress poster 🧠 #GBM #glioblastoma #clinicaltrial
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John de Groot, MD retweeted
Thanks so much ⁦@NeurosurgUCSF⁩ for being one of sponsors for an inspiring day with ⁦@NBTStweets⁩ for the Northern California Brain Tumor Walk! We will keep trying to find a cure!! ⁦@J_deGrootMD⁩ ⁦@ManishKAghi⁩ ⁦@LabRaleigh⁩ and so many others!!
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An honor to be invited and present at @BTWarsaw. Lots of fantastic science presented and discussed. Thank you prof. Bożena Kamińska-Kaczmarek and her incredible team for everything!
Replying to @J_deGrootMD
@J_deGrootMD was the Keynote Speaker on the first day at @BTWarsaw ❗️ Hope you’re ready for more lectures today 🥳 Programme: braintumorswarsaw.pl/index.p…
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John de Groot, MD retweeted
Happy to see young MDs participating in research reporting conferences 👨🏻‍⚕️🔁👨🏻‍🔬 #BTWarsaw22 #science
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John de Groot, MD retweeted
Very happy to share our paper in @NatureGenet reporting meningiomas are comprised of 3 DNA methylation groups with distinct outcomes, drivers, and therapeutic vulnerabilities. nature.com/articles/s41588-0…. @LabRaleigh @abrarc @StephenTMagill @chunkybungle @NeurosurgUCSF @UCSFCancer
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Third day of the National Cancer Advisory Board Meetings @theNCI. The Cancer Moonshot 1.0 will be concluding next year and the new Cancer Moonshot 2.0 is focused on the following:
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Outstanding collaboration between Dr Weathers, ⁦@JenWargoMD⁩ and ⁦@nadim_ajami⁩ on gut microbiome in newly diagnosed GBM. Exciting new data on potential role of the microbiome on response to therapy.
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Congratulations Shiao-Pei Weathers. Presenting her amazing correlative work with Atezo in newly dx GBM.
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