Laura Dawson

@ldawsonmd

Radiation oncologist. Prof. & Chair Dept. Rad. Oncology. U of Toronto. Princess Margaret Cancer Centre. Liver cancer. ASTRO Past President. Tweets are my own.

Toronto, Ontario Joined May 2019

1.1K Following 1.9K Followers 1.3K Posts

Latest posts 5

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Laura Dawson @ldawsonmd Dec 19, 2024

Proud to see RTOG1112 RCT published!. Thanks to so many who helped make this possible. #teamwork ‘Hope the next #SBRT #HCC trials are completed much faster. @NRGonc @TedHong9 @Dr_AliHosni @ArndtVogel @aislingbarryro

Nice summary of the trial below from @NiuSanford

Dr. Nina Niu Sanford Verified account @NiuSanford Dec 19, 2024

RTOG 1112 finally out! Sorafenib +/- SBRT in HCC.

Congrats to @ldawsonmd & team.

Brief summary here & some of my thoughts.

Short thread 🧵. 1/

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Laura Dawson @ldawsonmd Jan 10

Congratulations Dr Hawkins & UK team

Arndt Vogel Verified account @ArndtVogel Jan 10

Early outcomes of the PLATO ACT5 randomised trial: Personalizing anal cancer radiotherapy dose.
#ASCOGI26
👉Higher dose dose not improve tox, but also not outcome
🧐Better strategies and 💊needed
@myesmo @ASCO

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Laura Dawson @ldawsonmd Jan 10

Excellent outcomes from HK following SBRT-IO for HCC (73% MVI, med. 11cm).

Strong rationale for phase 3 RCTs. Please support #NRG GI012 IO+\- SBRT for HCC w MVI.

CL Chiang @clchiang_hk Jan 10

Honoured to present START-FIT x STRIDE in #ASCO #GI26

N=33, Ph2
- Median tumour size=11cm, 73% MVI +ve
- Best ORR: 73% (CR: 42%) per mRECIST
- 18M LC: 96.6%, 18M OS: 90%, 18M PFS: 61.8%
- No new safety signal

SBRT-IO is promising in HCC w/ MVI
Looking forward the #NRG GI012

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Laura Dawson @ldawsonmd Dec 18, 2025

A huge pleasure and honor to present in beautiful Israel. Thank you for your hospitality! #hope #HCC #SBRT

Dr. Miriam Knoll Verified account @MKnoll_MD Dec 18, 2025

Truly an honor to have Dr Laura Dawson (past @ASTRO_org President!) speak at the Second Annual Radiation Oncology conference in @Israel today

Her pioneering work on #radonc for liver cancers is truly remarkable

@ldawsonmd
@eli_sapir

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Laura Dawson @ldawsonmd Nov 28, 2025

Excited to be in beautiful Ireland @IRROGtrials. Lots of opportunity for more collaboration for RT ITTs and other RCTs. @MichaelYanMD

Aisling Barry @aislingbarryro Nov 28, 2025

Welcome to #ireland @ldawsonmd @UofTDRO @IRROGTrials 🤩
Fantastic talk on the role of radiotherapy in #livercancer @IrelandLiver @UCANIRELAND in @svuh yesterday 💪

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