Evidence map›Paper›PMID 38967552›Full record

ReviewClinical cancer research : an official journal of the American Association for Cancer Research2024

PI3K Inhibitors in Hematology: When One Door Closes….

Sigrid S Skånland, Klaus Okkenhaug, Matthew S Davids

Abstract readReview
In one paragraph

Review in Clinical cancer research : an official journal of the American Association for Cancer Research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

19 citing papers in PubMed.

  1. Protein Profiles Predict Treatment Responses to the PI3K Inhibitor Umbralisib in Patients with Chronic Lymphocytic Leukemia.Clinical cancer research : an official journal of the American Association for Cancer Research · 2025
    Trial
  2. Article
  3. Article
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  5. A renaissance in targeting the PI3K/AKT/mTOR pathway.Nature reviews. Drug discovery · 2026
    Review
  6. Article
  7. Article
  8. Article
  9. Review
  10. Molecularly targeted therapy and immunotherapy in leukemias.Journal of hematology & oncology · 2026
    Review
  11. Review
  12. Article
  13. Article
  14. Article
  15. International journal of molecular sciences · 2025
    Review
  16. Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors.

Sigrid S SkånlandDepartment of Cancer Immunology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway.ORCID 0000-0003-1630-356X
Klaus OkkenhaugDepartment of Pathology, University of Cambridge, Cambridge, United Kingdom.ORCID 0000-0002-9432-4051
Matthew S DavidsDepartment of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts.ORCID 0000-0003-4529-2003

Funding

Optimizing novel agent combination therapy for previously untreated, high risk chronic lymphocytic leukemiaR01CA266298 · NCI · DANA-FARBER CANCER INST · PI MATTHEW S DAVIDS · 2022 to 2026
$2.0M
National Institutes of Health (NIH) 1R01CA266298-01A1NCI NIH HHS R01 CA266298Research Council of Norway and the Norwegian Cancer Society 328827Research Council of Norway under the frame of ERA PerMed 322898
6 · The paper itself

Abstract

The PI3K signaling pathway regulates key cellular processes and is one of the most aberrantly activated pathways in cancer. The class I PI3K catalytic subunits p110γ and p110δ are highly enriched in leukocytes, providing an additional rationale for targeting these PI3Ks in hematologic malignancies. In 2014, the PI3Kδ inhibitor idelalisib was the first of four PI3K inhibitors (PI3Ki) to receive regulatory approval for relapsed B-cell malignancies. This was followed by approvals of the pan-class I inhibitor copanlisib (2017), the dual PI3Kγ/δ inhibitor duvelisib (2018), and the PI3Kδ and casein kinase 1ε inhibitor umbralisib (2021). Copanlisib and umbralisib received accelerated approvals, whereas idelalisib and duvelisib received initial accelerated approvals followed by full approvals. The accelerated approvals were based on overall response rates; however, follow-up studies showed increased risk of death and serious side effects. Furthermore, the confirmatory trial with copanlisib failed to show an improvement in progression-free survival when compared with chemoimmunotherapy. These developments led to black box warnings for idelalisib and duvelisib and withdrawal of copanlisib and umbralisib from the market by their manufacturers. Given the uncertain future of this drug class, additional manufacturers terminated ongoing phase III trials with novel PI3Kis. In this study, we review the development and current status of PI3Kis in hematology, limitations to their use, and our perspective on whether there is a future for PI3Kis in hematology.

Indexed as

Hematologic NeoplasmsPhosphoinositide-3 Kinase InhibitorsAntineoplastic AgentsHumansPurinesPyrimidinesQuinazolinesQuinazolinonesSignal TransductionAntineoplastic AgentscopanlisibidelalisibPhosphoinositide-3 Kinase InhibitorsPurinesPyrimidinesQuinazolinesQuinazolinones

Identifiers

PMID38967552
PMCPMC11371526

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.