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BCR-ABL1MutationDraft, not yet medically reviewed

BCR-ABL T315I

A gatekeeper change that makes most tyrosine kinase inhibitors no longer effective.

Parent marker: BCR-ABL

Not a diagnosis and not final medical advice. Must be reviewed by a doctor.

Clinical meaning

T315I limits the choice of inhibitors. The discussion shifts to drugs that are still active against these changes, with cardiovascular monitoring needing attention.

How this finding appears in a report

Checked via kinase domain sequencing after inadequate response.

When therapy stops working

Additional changes may appear after subsequent therapy so regular monitoring remains necessary.

What needs verification

  • Complete variant name as written in the laboratory report.
  • Examination methods and types of samples used.
  • Examination dates were compared with ongoing therapy.

Marker context: BCR-ABL

The presence of BCR-ABL opens up a category of specific tyrosine kinase inhibitors. Transcript levels are also used to monitor the depth of response to therapy.

A negative result does not always mean absent

Test sensitivity differs by sample type and method. Results need to be read together with the pathology report and clinical condition.

Summary

Gen
BCR-ABL1
Variant
BCR-ABL1 T315I
Alteration type
Mutation
Discussed in
Leukemia
Updated
2026-09-10

Other names in reports

T315I

Drugs discussed

Treatment categories

Next steps

These suggestions come from links between entries in TanyaKanker's database, not from a medical judgement. Each suggestion includes why it appears.

Next to learn

  • BCR-ABL

    Biomarker

    Reason: Related through a biomarker

  • Leukemia

    Cancer type

    Reason: Related to this page

  • Ponatinib

    Drug

    Reason: Related to this page

  • Targeted therapy

    Treatment category

    Reason: Related to this page

To check

What you can do

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    Reason: Often the most useful next step after reading this page

  • Request a second opinion

    Review of the treatment plan

    Reason: Relevant when a treatment plan is being considered

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    Reason: For asking the next step directly

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