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Olli Lohi

@lohiolli.bsky.social
68 followers 85 following 48 posts

Professor of Pediatric Hematology & Oncology at Tampere Univ Hospital and Tampere University, conducting translational research on ALL biology. Tampere, Finland

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Olli Lohi @lohiolli.bsky.social · 14/04/2025
Pediatric high-grade gliomas (pHGG), including H3K27M-DMGs, remain a major cause of cancer mortality in children. ~15% harbor PDGFRA alterations - making this receptor an attractive therapeutic target 🧵 1/n 👇👇 www.cell.com/cancer-cell/...
cell.com
Effective targeting of PDGFRA-altered high-grade glioma with avapritinib
PDGFRA is commonly altered in pediatric HGG. Mayr et al. report that the PDGFRA/KIT inhibitor avapritinib demonstrates on-target activity, brain penetrance, and survival benefit in pre-clinical H3K27M...
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Olli Lohi @lohiolli.bsky.social · 13/04/2025
Key findings from UKALL2011: 1. Shortening dexamethasone from 28 to 14 days during induction didn’t reduce toxicity or osteonecrosis in children and young adults with ALL👇👇👇 ascopubs.org/doi/full/10....
ascopubs.org
High-Dose Methotrexate in Children and Young Adults With ALL and Lymphoblastic Lymphoma: Results of the Randomized Phase III Study UKALL 2011
PURPOSEUKALL 2011 randomly assigned children and young adults (younger than 25 years) with ALL or lymphoblastic lymphoma. The aims were to reduce induction toxicity (randomization 1 [R1]), CNS relapse...
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Olli Lohi @lohiolli.bsky.social · 02/04/2025
Adding ifosfamide to MAP chemotherapy didn’t improve outcomes for osteosarcoma patients with poor response to initial treatment, and caused more side effects, says JCOG0905 trial. ascopubs.org/doi/full/10....
ascopubs.org
ASCO Publications
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Olli Lohi @lohiolli.bsky.social · 30/03/2025
Survivors of childhood cancer face aging-related diseases nearly 18 years earlier than the general population, with a 2.7-fold higher risk by age 65. Early cancer and heart disease prevention should start much sooner in this group 👇👇👇 jamanetwork.com/journals/jam...
jamanetwork.com
Accelerated Aging in Survivors of Childhood Cancer
This decision analytical model study estimates the lifetime risks of 8 treatment-related cancers and cardiovascular conditions among childhood cancer survivors and compares them with the general popul...
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Olli Lohi @lohiolli.bsky.social · 30/03/2025
Point-of-care CAR T-cell therapy using automated production showed strong results in 10 patients, with lower costs, good safety, and high remission rates—promising for wider access, also in low-resource settings 👇👇 www.cell.com/molecular-th...
cell.com
Safety, Efficacy and Total Cost of Point-of-care Manufactured anti-CD19 CAR T-cell Therapy in India: VELCART trial
Point-of-care manufactured CAR T-cell therapy demonstrates a higher complete remission rate and presents a promising therapeutic option for low-middle-income countries like India. The total cost of CA...
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Olli Lohi @lohiolli.bsky.social · 28/03/2025
Targeted therapies like ALK inhibitors and brentuximab vedotin show strong responses in young patients with relapsed ALK+ ALCL, but questions remain about treatment duration and the need for stem cell transplant. ashpublications.org/bloodadvance...
ashpublications.org
Pediatric relapsed/refractory ALK-positive anaplastic large cell lymphoma treatment and outcomes in the targeted-drug era
Key PointsALK inhibitor or brentuximab monotherapy achieve excellent responses in pediatric patients with R/R ALK-positive ALCL.Optimal targeted therapy, d
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Olli Lohi @lohiolli.bsky.social · 27/03/2025
Check out this new study led by Profs Duque-Afonso and Heinaniemi utilizing a mouse model of TCF3-PBX1+ leukemia that mimics human relapse after chemotherapy. About 40% of treated mice survived, with CNS infiltration, similar to clinical setting 👇👇 🧵 1/n onlinelibrary.wiley.com/doi/10.1002/...
onlinelibrary.wiley.com
Dynamic evolution of TCF3‐PBX1 leukemias at the single‐cell level under chemotherapy pressure
Acute lymphoblastic leukemia (ALL) is the most common childhood cancer. The translocation t(1;19), encoding the TCF3-PBX1 fusion, is associated with intermediate risk and central nervous system (CNS)...
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Olli Lohi @lohiolli.bsky.social · 27/03/2025
Multiomics profiling of resistant Ph like ALL cells revealed MYC dependency and a dormant leukemia subpopulation. Dual inhibition of BCL-2 and JAK/STAT or SRC/ABL pathways effectively eradicated these cells, offering a potential therapeutic strategy 👇 ashpublications.org/blood/articl...
ashpublications.org
Targeting senescent stemlike subpopulations in Philadelphia chromosome–like acute lymphoblastic leukemia
Key PointsOur study discovered new regulators of ruxolitinib response in Ph-like ALL, including c-MYC as a therapeutically targetable codependency.A progno
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Olli Lohi @lohiolli.bsky.social · 27/03/2025
Interesting study using 27 genetically engineered mouse models that closely mimic human hepatocellular carcinoma. 4 subtypes were identified and cladribine, combined with standard therapy, showed promising efficacy for a specific subtype 👇👇 www.nature.com/articles/s41...
nature.com
Human-correlated genetic models identify precision therapy for liver cancer - Nature
As proof of principle, an analysis using a suite of human-aligned immunocompetent mouse models of hepatocellular carcinoma identifies a promising therapeutic candidate, cladribine, which acts in ...
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Olli Lohi @lohiolli.bsky.social · 27/03/2025
By age 60, about 60% of the normal oesophageal epithelium is occupied by cell clones with driver mutations. In contrast, this proportion is much lower in the intestines (~1%) and *stomach* (~5%), see new study 👇👇👇 www.nature.com/articles/s41...
nature.com
The somatic mutation landscape of normal gastric epithelium - Nature
Whole-gene sequencing of microdissected gastric glands from individuals with and without gastric cancer reveals distinct patterns of somatic mutations and provides insights into influen...
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Olli Lohi @lohiolli.bsky.social · 27/03/2025
This article challenges the traditional view that cancer is primarily a "genetic disease", proposing instead that tumorigenesis arises from disruptions in cellular and tissue organization 👇👇👇 journals.plos.org/plosbiology/...
journals.plos.org
The end of the genetic paradigm of cancer
Genome sequencing results and single-cell transcriptomics continue to produce findings that challenge the idea that cancer is purely a ‘genetic disease’. This Essay delves into cancer omics data that ...
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Olli Lohi @lohiolli.bsky.social · 27/03/2025
Glioblastoma has a dismal prognosis and resists also immunotherapy. Here, a case report with a neoadjuvant dose of triple checkpoint inhibitors before surgery led to strong immune activation and no recurrence after 17 months 👇👇👇 www.nature.com/articles/s41...
nature.com
Neoadjuvant triplet immune checkpoint blockade in newly diagnosed glioblastoma - Nature Medicine
A patient with newly diagnosed glioblastoma was safely treated with neoadjuvant nivolumab, relatlimab and ipilimumab before maximal resection, with comprehensive immune profiling showing the induction...
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Olli Lohi @lohiolli.bsky.social · 27/03/2025
This study reveals a surprising and tumor-specific mechanism by which GABAergic neurons promote the growth of diffuse midline gliomas (DMGs), particularly those with H3K27M mutations 👇👇 🧵🧵 1/n www.nature.com/articles/s41...
nature.com
GABAergic neuron-to-glioma synapses in diffuse midline gliomas - Nature
Functional, tumour-promoting GABAergic neuron-to-glioma synapses in diffuse midline gliomas are identified.
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Olli Lohi @lohiolli.bsky.social · 26/02/2025
In high-risk neuroblastoma, catecholamine positivity at complete remission (CR) predicted worse event-free (38% vs. 80%) and overall survival (52% vs. 86%). 3-methoxytyramine at CR was a strong prognostic marker for poor OS (HR 7.5, 95% CI 2.0–28.6) 👇 ascopubs.org/doi/10.1200/...
ascopubs.org
Urinary Catecholamines Predict Relapse During Complete Remission in High-Risk Neuroblastoma | JCO Precision Oncology
PURPOSEUrinary catecholamine metabolites are well-known biomarkers for the diagnosis (Dx) of neuroblastoma, but their clinical significance in determining therapy response during treatment is not well...
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Olli Lohi @lohiolli.bsky.social · 23/02/2025
Thirty percent of children with Wilms cancer have a predisposition gene mutation. In a cohort of 137 cases, Wilms tumour development was observed to vary by gene and timing of mutation, influencing driver events and clonal architecture 👇👇👇 pmc.ncbi.nlm.nih.gov/articles/PMC...
pmc.ncbi.nlm.nih.gov
Predisposition footprints in the somatic genome of Wilms tumours
Ten percent of children with cancer harbour a mutation in a predisposition gene. In children with the kidney cancer, Wilms tumour, the prevalence is as high as 30%. Certain predispositions are associa...
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Olli Lohi @lohiolli.bsky.social · 25/01/2025
Osteosarcoma's evolution driven by chromothripsis, found in 74% of cases, causing genomic instability and tumor heterogeneity. Novel mechanism, LTA chromothripsis, triggers TP53 inactivation and oncogene amplification. Genome-wide LOH predicts prognosis 👇👇👇 www.cell.com/cell/fulltex...
cell.com
Ongoing chromothripsis underpins osteosarcoma genome complexity and clonal evolution
Ongoing chromothripsis shapes genomic evolution in a diverse range of sarcomas and carcinomas. High-grade osteosarcoma is predominantly driven by the mechanism of loss-translocation-amplification chro...
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Olli Lohi @lohiolli.bsky.social · 25/01/2025
VenEx trial showed that ex vivo drug sensitivity is beneficial for selecting patients with R/R or sAML for venetoclax-azacitidine therapy 👇👇👇 ashpublications.org/blood/articl...
ashpublications.org
Ex vivo venetoclax sensitivity predicts clinical response in acute myeloid leukemia in the prospective VenEx trial
Key PointsBlast-specific ex vivo venetoclax sensitivity correlated strongly with treatment responses and predicted longer survival.VenEx trial showed that
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Olli Lohi @lohiolli.bsky.social · 25/01/2025
ALLO_GD2-CART01, an allogeneic CAR T-cell therapy targeting GD2, showed promise in 5 children with relapsed/refractory high-risk neuroblastoma. Despite cytokine release syndrome and GVHD, 2 complete and 1 partial response were achieved 👇👇👇 www.nature.com/articles/s41...
nature.com
Donor-derived GD2-specific CAR T cells in relapsed or refractory neuroblastoma - Nature Medicine
In a case series of five children with treatment-refractory neuroblastoma, it was feasible to manufacture and administer donor-derived GD2-specific CAR T cells and clinical responses were seen in four...
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Olli Lohi @lohiolli.bsky.social · 25/01/2025
CD5-targeting CAR-T therapy achieved 100% remission by day 30 in a study of 19 r/r T-ALL patients, including those who failed CD7 CAR-T. Late infections and relapse remain challenges. Transplantation may improve long-term outcomes 👇👇👇 www.nature.com/articles/s41...
nature.com
Allogeneic CD5-specific CAR-T therapy for relapsed/refractory T-ALL: a phase 1 trial - Nature Medicine
In a phase 1 trial, pediatric or adult patients with T-ALL who received CD5-targeted CAR-T cell therapy using cells from previous or newly matched donors showed an encouraging clinical response rate, ...
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Reposted by Olli Lohi
Chris Whelan @chrisdwhelan.bsky.social · 10/01/2025
I'm delighted to announce that the Pharma Proteomics Project will commence full-scale proteomic profiling of the UK Biobank in 2025. We have selected the Olink Proteomics Explore HT platform and Ultima Genomics UG 100 sequencers for this unprecedented study. www.ukbiobank.ac.uk/learn-more-a...
ukbiobank.ac.uk
Launch of world’s most significant protein study set to usher in new understanding for medicine
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Olli Lohi @lohiolli.bsky.social · 09/01/2025
Children with ETV6::RUNX1 or high-hyperdiploid B-ALL have excellent 5-year EFS (97.7% and 94.7%) with low-intensity therapy. However, high-hyperdiploid B-ALL with slow MRD response needs improved treatments 👇👇👇 ashpublications.org/blood/articl...
ashpublications.org
Outcomes in patients with ETV6::RUNX1 or high-hyperdiploid B-ALL treated in the St. Jude Total Therapy XV/XVI studies
Key PointsAmong NCI high-risk patients, 93% with ETV6::RUNX1 and 54% with hyperdiploid B-ALL had excellent outcomes with low-intensity therapy.NCI high-ris
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Reposted by Olli Lohi
David Steensma, MD @davidsteensma.bsky.social · 08/01/2025
I was walking along a trail yesterday and noticed this Madagascar periwinkle (Catharanthus roseus) - the plant that “vinca alkaloid” anti-cancer drugs vincristine and vinblastine were isolated from back in 1961. They’re still used today, especially vincristine for acute lymphoid leukemia and NHL.
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Olli Lohi @lohiolli.bsky.social · 09/01/2025
A phase 1 trial of B7-H3 CAR T cells for #DIPG showed tolerability with repetitive intracerebroventricular dosing and a median survival of 10.7 months post-infusion. Three patients survived over 3 years, supporting further phase 2 investigation 👇👇👇 www.nature.com/articles/s41...
nature.com
Intracerebroventricular B7-H3-targeting CAR T cells for diffuse intrinsic pontine glioma: a phase 1 trial - Nature Medicine
In the final report of a phase 1 trial evaluating intracerebroventricular B7-H3-targeting CAR T cells in children and young adults with diffuse intrinsic pontine glioma, repeated intracranial infusion...
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Olli Lohi @lohiolli.bsky.social · 09/01/2025
Blood review: "How I treat infant acute lymphoblastic leukemia"👇👇👇 ow.ly/suhm50UyVKJ
ow.ly
How I treat infant acute lymphoblastic leukemia
Edited by Associate Editor Hervé Dombret, this How I Treat series highlights the clinical approach to high-risk subgroups of acute lymphoblastic leukemia (
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Olli Lohi @lohiolli.bsky.social · 09/01/2025
Novel GET model accurately predicts gene #expression across 213 cell types using chromatin accessibility data as input, uncovering regulatory networks and interactions. It identifies novel regulatory regions and disease-relevant mutations 👇👇👇 www.nature.com/articles/s41...
nature.com
A foundation model of transcription across human cell types - Nature
A foundation model learns transcriptional regulatory syntax from chromatin accessibility and sequence data across a range of cell types to predict gene expression and transcription factor interactions...
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Olli Lohi @lohiolli.bsky.social · 09/01/2025
A vision- language foundation model, MUSK, integrates pathology images and text for clinical decision-making. Pretrained on large datasets, it excels in tasks like cancer prognosis, biomarker prediction, and therapy response 👇👇 www.nature.com/articles/s41...
nature.com
A vision–language foundation model for precision oncology - Nature
Trained on unlabelled, unpaired image and text data, the Multimodal transformer with Unified maSKed modeling excelled in outcome prediction, image-to-text retrieval and visual question answering, pote...
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Olli Lohi @lohiolli.bsky.social · 31/12/2024
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Reposted by Olli Lohi
Anand Patel @anand-88-patel.bsky.social · 11/12/2024
From #ASH24 to inpatient leukemia service! Instead of posting articles I will be posting an abstract a day Day 1 - our IIT looking at InO plus TKI in newly diagnosed Ph+ ALL ashpublications.org/blood/articl...
ashpublications.org
Interim Results of a Phase II Study Investigating Dasatinib and Inotuzumab Ozogamicin-Based Induction for Newly-Diagnosed Philadelphia-Chromosome Positive Acute Lymphoblastic Leukemia (Ph+ ALL)
Disclosures. Patel:Kronos Bio: Research Funding; Sobi: Honoraria; Bristol Myers Squibb: Honoraria; AbbVie: Honoraria; Sumitomo: Research Funding; Pfizer: R
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Anand Patel @anand-88-patel.bsky.social · 12/12/2024
Day 2 - TP53 mutations drive cd19- relapse in blina-treated ALL ashpublications.org/blood/articl...
ashpublications.org
TP53 Mutations Increased the Risk of CD19 Negative Relapse Following Blinatumomab in Adults with B-Cell Acute Lymphoblastic Leukemia (B-ALL)
Disclosures. Aldoss:Jazz Pharmaceuticals: Other: consulting fees; Takeda Pharmaceuticals: Other: consulting fees; Sobi: Other: consulting fees; Kite Pharma
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Olli Lohi @lohiolli.bsky.social · 17/12/2024
Another great day ahead! Thesis defence by MSc Mari Lahnalampi @UniEastFinland, with Prof Hanna Mikkola serving as opponent #leukemia
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Olli Lohi @lohiolli.bsky.social · 12/12/2024
Gene therapy for hemophilia A with the use of lentiviral vector–transduced autologous HSCs resulted in stable factor VIII expression, with factor VIII activity correlating to vector copy number in the peripheral blood 👇👇👇 www.nejm.org/doi/full/10....
nejm.org
Lentiviral Gene Therapy with CD34+ Hematopoietic Cells for Hemophilia A | NEJM
Severe hemophilia A is managed with factor VIII replacement or hemostatic products that stop or prevent bleeding. Data on gene therapy with hematopoietic stem-cell (HSC)–based expression of factor ...
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Olli Lohi @lohiolli.bsky.social · 09/12/2024
Fascinating findings from the @cmullighan.bsky.social team: ctDNA was identified in all cases of hematological malignancies, in 19 out of 38 patients with solid tumors, and in just 1 out of 18 brain tumor patients 👇👇👇 www.nature.com/articles/s41...
nature.com
Genomic profiling of circulating tumor DNA for childhood cancers - Leukemia
Leukemia - Genomic profiling of circulating tumor DNA for childhood cancers
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Aaron Logan, MD, PhD, MPhil @hemedoc.bsky.social · 08/12/2024
#ASH24 #leusm Baruchel: Intro to Plen1. In spite of great strides in mgmt of peds B-ALL 15% still relapse and toxicity remains high. There is still room for improvement. Blin in 1L has been explored in smaller studies in peds, and now Ph3 RCT study AALL1731 adding Blin to 1L therapy being presented.
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Reposted by Olli Lohi
Blood Journals Portfolio @bloodjournals.hematology.org · 07/12/2024
Symposia: Late-Breaking Abstracts Program: Marquee Sessions 7:30 am - 9 am PST Meeting Hall B #ASH24 #BloodJournals buff.ly/3BeZb26
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Olli Lohi @lohiolli.bsky.social · 07/12/2024
#ASH2024 Reducing daunorubicin during induction therapy for standard-risk acute lymphoblastic #leukemia is safe and results in a 4-fold decrease in invasive fungal infections 👇👇👇 ashpublications.org/blood/articl...
ashpublications.org
A Reduced Daunorubicin Dose during Induction Is Equally Effective As Standard Dose in Children with Acute Lymphoblastic Leukemia (ALL) and Favorable Prognostic Features: Long-Term Results of the Phase...
Disclosures. Schrappe:JazzPharma, Servier, Amgen: Honoraria, Research Funding, Speakers Bureau. Cario:Jazz Pharmaceuticals: Other: travel support. Dalla-Po
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Olli Lohi @lohiolli.bsky.social · 07/12/2024
#ASH2024 This is a huge leap forward! 3-y disease-free survival (DFS) with blinatumomab was 97.5% vs. 90.2% without blina in SR-Average patients, and 94.1% vs. 84.8%, respectively, in SR-High patients. Obs! 10/19 relapses in the blina arm involved CNS 👇👇 ashpublications.org/blood/articl...
ashpublications.org
Blinatumomab Added to Chemotherapy Improves Disease-Free Survival in Newly Diagnosed NCI Standard Risk Pediatric B-Acute Lymphoblastic Leukemia: Results from the Randomized Children's Oncology Group S...
Disclosures. Rau:Abbvie: Other: spouse currently employed; Servier: Other: Advisory board participation; Jazz Pharmaceuticals: Consultancy, Honoraria, Othe
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Olli Lohi @lohiolli.bsky.social · 07/12/2024
#ASH2024 In PIVOT trial, hydroxyurea treatment at 20 mg/kg/day was well-tolerated in both children and adults with HbSC, and was associated with significantly fewer painful vaso-occlusive events and fewer hospitalizations 👇👇👇 ashpublications.org/blood/articl...
ashpublications.org
Double-Blind, Placebo-Controlled Randomized Controlled Trial of Hydroxyurea for HbSC: Results of the Prospective Identification of Variables As Outcomes for Treatment (PIVOT) Trial
Disclosures. Ware:Nova Laboratories: Other: Medical Advisory Board; Theravia: Other: Medical Advisory Board; Merck Pharmaceuticals: Other: Medical Advisory
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Reposted by Olli Lohi
NEJM.org @nejm.org · 07/12/2024
Presented at #ASH24: The addition of blinatumomab after induction chemotherapy in children with standard-risk disease of average or high risk of relapse significantly improved disease-free survival. Full AALL1731 trial results: nej.md/49CVkc1 #medsky
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bioRxiv Cancer Bio @biorxiv-cancer.bsky.social · 07/12/2024
Leukaemia cell intrinsic and extrinsic factors cooperate to facilitate the survival and proliferation of KMT2A-rearranged B-ALL in the CNS niche. www.biorxiv.org/content/10.1101/202…
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