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Acute lymphoblastic leukaemia is the childhood cancer success story, and was the first disease treated with CAR-T and with a T-cell engager.
Acute lymphoblastic leukaemia is the commonest childhood cancer and a rarer, harder disease in adults. B-cell precursor ALL (85%) is classified by genetics into favourable (ETV6::RUNX1, high hyperdiploidy), intermediate, and adverse groups (KMT2A rearrangement, hypodiploidy, Ph-like/CRLF2, iAMP21, TCF3::HLF); Ph-positive (BCR::ABL1) disease accounts for a quarter of adult cases. T-ALL (15%) has its own genetics and, since 2023, its own targeted options (nelarabine, BCL-2 inhibition in trials). Measurable residual disease after induction is the strongest predictor of relapse in every subgroup.
Children are cured in over 90% with risk-adapted multi-agent chemotherapy over two to three years, and since 2024 with blinatumomab woven into consolidation (AALL1731: 3-year DFS 96% vs 88%). Adults do worse with chemotherapy alone, but three immunotherapies changed the picture: blinatumomab (E1910: 3-year OS 85% vs 68% when added frontline; standard in MRD-positive and relapsed disease), the CD22 ADC inotuzumab ozogamicin (INO-VATE: 81% remission in relapse), and CD19 CAR-T (tisagenlecleucel for patients up to 25; obe-cel for adults, 2024). Ph-positive ALL is treated with a BCR::ABL1 inhibitor (ponatinib preferred since PhALLCON, 2024) and increasingly with TKI plus blinatumomab and no chemotherapy at all (D-ALBA), while KMT2A-rearranged disease now has menin inhibitors.
Allogeneic transplant remains standard for high-risk or MRD-persistent disease but is being pushed back by MRD-negative remissions achieved with immunotherapy. The unsolved problems are CD19-negative relapse after CAR-T and blinatumomab, T-ALL relapse, Ph-like ALL, infant KMT2A-rearranged ALL, the late toxicities of paediatric therapy, and the very different outcomes for adolescents and adults treated outside specialised centres.
Averages across everyone diagnosed, often years ago. A median is the middle of a group: half the people counted lived longer than the figure shown, and some lived far longer. Your stage, subtype, age, fitness and the treatment you receive matter more than the average, and the numbers are improving quickly.
About 6,500 US cases a year, 60% in children; 5-year survival above 90% in children and about 40-50% in adults, better in those under 40 treated on paediatric-style regimens.
Leukaemias, myeloma and MDS live in the marrow and blood; lymphomas grow in lymph nodes and spleen. The node stations are the disease map, not a route of spread, and staging counts them.
In lymphoma the node stations are the disease itself; staging (Ann Arbor / Lugano) counts how many regions and sides of the diaphragm are involved.
Same organ: High-grade B-cell lymphoma with MYC and BCL2 rearrangements (double-hit lymphoma), Mediastinal grey zone lymphoma, Primary effusion lymphoma, Plasmablastic lymphoma, T-cell/histiocyte-rich large B-cell lymphoma, EBV-positive diffuse large B-cell lymphoma, Primary large B-cell lymphoma of the testis, Gastric MALT lymphoma, Ocular adnexal MALT lymphoma, Extranodal NK/T-cell lymphoma, Adult T-cell leukaemia/lymphoma, ALK-positive anaplastic large cell lymphoma, ALK-negative anaplastic large cell lymphoma, Breast implant-associated anaplastic large cell lymphoma, Primary cutaneous anaplastic large cell lymphoma, Lymphomatoid papulosis, Mycosis fungoides, Enteropathy-associated T-cell lymphoma, Monomorphic epitheliotropic intestinal T-cell lymphoma, Extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue (MALT lymphoma), Splenic marginal zone lymphoma, Nodal marginal zone lymphoma, Primary cutaneous marginal zone lymphoma, Primary cutaneous follicle centre lymphoma, Sezary syndrome, Nodal T-follicular helper cell lymphoma, angioimmunoblastic type (angioimmunoblastic T-cell lymphoma), Hepatosplenic T-cell lymphoma, Intravascular large B-cell lymphoma, Lymphomatoid granulomatosis, T-cell prolymphocytic leukaemia, Splenic B-cell lymphoma/leukaemia with prominent nucleoli (formerly B-cell prolymphocytic leukaemia and hairy cell leukaemia variant), T-cell large granular lymphocytic leukaemia, Mixed-phenotype acute leukaemia, Myeloid leukaemia of Down syndrome, Burkitt leukaemia, Marginal zone lymphoma, Cutaneous T-cell lymphoma (mycosis fungoides and Sezary syndrome), Primary mediastinal (thymic) large B-cell lymphoma, Leukaemia (all types), Acute myeloid leukaemia, Chronic lymphocytic leukaemia, Chronic myeloid leukaemia (CML), Diffuse large B-cell lymphoma, Follicular lymphoma, Hodgkin lymphoma, Mantle cell lymphoma, Multiple myeloma, Non-Hodgkin lymphoma (all types), Myelodysplastic syndromes / neoplasms (MDS), Myeloproliferative neoplasms (PV, ET, myelofibrosis), Polycythaemia vera (PV), Essential thrombocythaemia (ET), Waldenström macroglobulinaemia, Hairy cell leukaemia, Peripheral T-cell lymphomas (including cutaneous T-cell lymphoma), Blastic plasmacytoid dendritic cell neoplasm (BPDCN), Burkitt lymphoma, HIV-associated (AIDS-related) lymphomas, Chronic myelomonocytic leukaemia and MDS/MPN overlap neoplasms, Systemic mastocytosis, Erdheim-Chester disease, Rosai-Dorfman disease and other histiocytic neoplasms, Langerhans cell histiocytosis (LCH), Post-transplant lymphoproliferative disorder (PTLD), FLT3-mutated acute myeloid leukaemia, IDH1- and IDH2-mutated acute myeloid leukaemia, NPM1-mutated and KMT2A-rearranged acute myeloid leukaemia, Secondary and therapy-related acute myeloid leukaemia, Acute promyelocytic leukaemia, Acute myeloid leukaemia in older or unfit patients, Smouldering multiple myeloma, Newly diagnosed multiple myeloma, transplant-eligible, Newly diagnosed multiple myeloma, transplant-ineligible, Relapsed or refractory multiple myeloma, Plasma cell leukaemia, Lower-risk myelodysplastic syndromes, Higher-risk myelodysplastic syndromes, Chronic lymphocytic leukaemia, first treatment, Relapsed or refractory chronic lymphocytic leukaemia, Richter transformation of chronic lymphocytic leukaemia, Chronic myeloid leukaemia, chronic phase, Chronic myeloid leukaemia, accelerated and blast phase, Primary myelofibrosis, Standard-risk B-cell acute lymphoblastic leukaemia in children, High-risk acute lymphoblastic leukaemia in children (high-risk B-ALL and T-ALL), Philadelphia chromosome-positive acute lymphoblastic leukaemia in children (Ph-positive ALL), Philadelphia chromosome-like acute lymphoblastic leukaemia (Ph-like or BCR::ABL1-like ALL), Infant acute lymphoblastic leukaemia (KMT2A-rearranged, under one year), Relapsed and refractory acute lymphoblastic leukaemia in children, Acute myeloid leukaemia in children, Erdheim-Chester disease, Rosai-Dorfman-Destombes disease, Single-system Langerhans cell histiocytosis (bone, skin or one other organ), Multisystem Langerhans cell histiocytosis (with or without risk-organ involvement), Indolent and smouldering systemic mastocytosis, Advanced systemic mastocytosis (aggressive SM, SM with an associated haematological neoplasm, mast cell leukaemia), Early-stage classical Hodgkin lymphoma (stage I to II), Advanced-stage classical Hodgkin lymphoma (stage III to IV), Nodular lymphocyte-predominant Hodgkin lymphoma (nodular lymphocyte-predominant B-cell lymphoma), Relapsed and refractory classical Hodgkin lymphoma
Also on OnCo: Symptoms and red flags · Early detection roadmap.
Risk-adapted chemotherapy + blinatumomab consolidation; TKI if Ph+.
CAR-T (tisagenlecleucel, obe-cel), inotuzumab, transplant.
Risk-adapted multi-agent chemotherapy (induction, consolidation, interim maintenance, delayed intensification, 2-3 years maintenance) with two cycles of blinatumomab in consolidation (AALL1731, approved June 2024); intrathecal CNS prophylaxis; cranial radiation abandoned for most.
Intensified chemotherapy; blinatumomab for MRD persistence (AALL1331 in relapse); inotuzumab and CAR-T (tisagenlecleucel) for relapse; allogeneic transplant for very high risk or MRD persistence.
Interfant-21 backbone with blinatumomab; transplant for high-risk; menin inhibitors in trials.
Paediatric-inspired regimens (CALGB 10403, GRAALL, UKALL) with asparaginase; blinatumomab consolidation (E1910); MRD-guided transplant.
Hyper-CVAD or age-adapted multi-agent chemotherapy with blinatumomab interleaved in consolidation (E1910); inotuzumab-containing lower-intensity regimens (Mini-hyper-CVD + InO ± blinatumomab) for older adults; MRD-driven transplant.
Ponatinib (PhALLCON) or dasatinib with reduced-intensity chemotherapy, or chemotherapy-free TKI + blinatumomab (D-ALBA); BCR::ABL1 PCR monitoring; transplant for MRD persistence or IKZF1-plus, increasingly omitted for MRD-negative patients.
Blinatumomab (BLAST; full approval 2018) to convert to MRD negativity, then transplant or continued blinatumomab-based therapy.
Blinatumomab (TOWER) or inotuzumab (INO-VATE) as salvage and bridge; CD19 CAR-T (tisagenlecleucel ≤25 years; obe-cel or brexucabtagene in adults) for second salvage or as definitive therapy; transplant for those not previously transplanted; CD22 or dual CAR-T for CD19-negative relapse in trials.
Intensive paediatric-type chemotherapy with nelarabine for high-risk (AALL0434); relapse: nelarabine, venetoclax combinations, CD7 CAR-T and daratumumab in trials; transplant in CR2.
Trials recruiting now, the landmark trials, the trials held by this cancer's subtypes, the key papers and what they mean, the latest literature, and the milestones year by year.
The molecular landscape: the targets and how often each appears, the pathways, the mechanics stages and the preclinical models.
Cases by country, the UK and NHS pathway and other country lenses, the expert centres with trials on record, and the centres named on this cancer's subtypes.
The decisions you may face, the aids that walk through them, the warnings on record, the first sixty days and the questions to ask.
Everything in development, the medicines held by this cancer's subtypes, the open problems and what is being done about them, the roadmaps, and what changed on this record.
Every connected record, the notes, the JSON, Markdown and RDF twins, and where the record came from and when it was checked.