{"entity":{"id":"sirpa-leppa","kind":"person","name":"Sirpa Leppä","aka":[],"tldr":"Helsinki oncologist who chairs the Nordic Lymphoma Group, the cooperative network that runs lymphoma trials and guidelines across the Nordic countries.","summary":"Sirpa Leppä is Chairperson of the Nordic Lymphoma Group (NLG), the cooperative group of Nordic haematologists and oncologists that develops lymphoma guidelines and protocols and runs multicentre trials. She works in the Department of Oncology at Helsinki University Hospital, Finland. The NLG coordinating group she chairs includes representatives from Finland, Norway, Sweden and Denmark, with Alexander Fosså of Oslo University Hospital as vice-chairman.","asOf":"2026-09-10","links":[{"label":"Source: Nordic Lymphoma Group coordinating group page","url":"https://www.nordic-lymphoma.org/coordinating-group/"}],"tags":["leadership","clinician-scientist","lymphoma","cooperative-group"],"related":[],"cancers":["dlbcl","hodgkin-lymphoma"],"sections":[],"technologies":[],"targets":[],"drugs":[],"companies":["nordic-lymphoma-group"],"institutions":[],"pathways":[],"terms":[],"trials":[],"people":[],"bottlenecks":[],"keyPapers":[],"journals":["haematologica"],"dependsOn":[],"notes":[],"role":"Chairperson, Nordic Lymphoma Group","institutionId":"nordic-lymphoma-group","specialisms":["Lymphoma","Medical oncology","Clinical trials"],"profiles":[{"label":"NLG coordinating group","url":"https://www.nordic-lymphoma.org/coordinating-group/"},{"label":"PubMed","url":"https://pubmed.ncbi.nlm.nih.gov/?term=Lepp%C3%A4+S%5BAuthor%5D"}],"papers":[{"title":"Molecular features encoded in the ctDNA reveal heterogeneity and predict outcome in high-risk aggressive B-cell lymphoma","journal":"Blood","year":2022,"doi":"10.1182/blood.2021012852"},{"title":"Prognostic impact of immunohistochemically defined germinal center phenotype in diffuse large B-cell lymphoma patients treated with immunochemotherapy","journal":"Blood","year":2007,"doi":"10.1182/blood-2006-09-047068"},{"title":"Prognostic influence of macrophages in patients with diffuse large B-cell lymphoma: a correlative study from a Nordic phase II trial","journal":"Haematologica","year":2014,"doi":"10.3324/haematol.2014.113472"}]},"route":"/people/sirpa-leppa/","neighbours":{"cancer":[{"id":"dlbcl","kind":"cancer","name":"Diffuse large B-cell lymphoma","route":"/cancers/dlbcl/"},{"id":"hodgkin-lymphoma","kind":"cancer","name":"Hodgkin lymphoma","route":"/cancers/hodgkin-lymphoma/"}],"company":[{"id":"nordic-lymphoma-group","kind":"company","name":"Nordic Lymphoma Group","route":"/companies/nordic-lymphoma-group/"}],"journal":[{"id":"haematologica","kind":"journal","name":"Haematologica","route":"/journals/haematologica/"}]}}