IDELALISIB
Details
- Status
- Prescription
- First Approved
- 2026-02-17
- Routes
- ORAL
- Dosage Forms
- TABLET
IDELALISIB Approval History
What IDELALISIB Treats
3 indicationsIDELALISIB is approved for 3 conditions since its original approval in 2026. These indications span multiple therapeutic areas including oncology, immunology, and more.
- Chronic Lymphocytic Leukemia
- Follicular Lymphoma
- Non-Hodgkin Lymphoma
IDELALISIB Boxed Warning
FATAL AND SERIOUS TOXICITIES: HEPATIC, SEVERE DIARRHEA, COLITIS, PNEUMONITIS, INFECTIONS, and INTESTINAL PERFORATION Fatal and/or serious hepatotoxicity occurred in 16% of Zydelig-treated patients. Monitor hepatic function prior to and during treatment. Interrupt and then reduce or discontinue Zydelig as recommended [see Dosage and Administration (2.2) , Warnings and Precautions (5.1) ] . Fatal and/or serious and severe diarrhea or colitis occurred in 20% of Zydelig-treated patients. Monitor for...
WARNING: FATAL AND SERIOUS TOXICITIES: HEPATIC, SEVERE DIARRHEA, COLITIS, PNEUMONITIS, INFECTIONS, and INTESTINAL PERFORATION Fatal and/or serious hepatotoxicity occurred in 16% of Zydelig-treated patients. Monitor hepatic function prior to and during treatment. Interrupt and then reduce or discontinue Zydelig as recommended [see Dosage and Administration (2.2) , Warnings and Precautions (5.1) ] . Fatal and/or serious and severe diarrhea or colitis occurred in 20% of Zydelig-treated patients. Monitor for the development of severe diarrhea or colitis. Interrupt and then reduce or discontinue Zydelig as recommended [see Dosage and Administration (2.2) , Warnings and Precautions (5.2) ] . Fatal and/or serious pneumonitis occurred in 4% of Zydelig-treated patients. Monitor for pulmonary symptoms and bilateral interstitial infiltrates. Interrupt or discontinue Zydelig as recommended [see Dosage and Administration (2.2) , Warnings and Precautions (5.3) ] . Fatal and/or serious infections occurred in 48% of Zydelig-treated patients. Monitor for signs and symptoms of infection. Interrupt Zydelig if infection is suspected [see Dosage and Administration (2.2) , Warnings and Precautions (5.4) ]. Fatal and serious intestinal perforation can occur in Zydelig-treated patients across clinical trials. Discontinue Zydelig for intestinal perforation [see Warnings and Precautions (5.5) ] . WARNING: FATAL AND SERIOUS TOXICITIES: HEPATIC, SEVERE DIARRHEA, COLITIS, PNEUMONITIS, INFECTIONS, and INTESTINAL PERFORATION See full prescribing information for complete boxed warning. Fatal and/or serious hepatotoxicity occurred in 16% of Zydelig-treated patients. Monitor hepatic function prior to and during treatment. Interrupt and then reduce or discontinue Zydelig. ( 5.1 ) Fatal and/or serious and severe diarrhea or colitis occurred in 20% of Zydelig-treated patients. Monitor for the development of severe diarrhea or colitis. Interrupt and then reduce or discontinue Zydelig. ( 5.2 ) Fatal and/
IDELALISIB Target & Pathway
ProTarget
A family of enzymes involved in cell growth, proliferation, and survival signaling. PI3K pathway activation is common in cancer. Inhibiting specific PI3K isoforms is effective in certain blood cancers and solid tumors.
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Active Pipeline
Ongoing clinical trials by development phase
Key Completed Trials
Completed studies with published results, ranked by significance
Trial Timeline
Full development history with FDA approval milestones
Understanding FDA Approval Types
| Count | Type | What it means |
|---|---|---|
| - | ORIG | Original approval - drug first enters market |
| - | SUPPL - Efficacy | New indication (new disease/condition approved) |
| - | SUPPL - Labeling | Label text changes (warnings, dosing updates) |
| - | SUPPL - Manufacturing | Production changes (new facility) |
| - | SUPPL - Chemistry | Formulation changes (new dosage strength) |
Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.
IDELALISIB FDA Label Details
ProIndications & Usage
Zydelig is indicated, in combination with rituximab, for the treatment of patients with relapsed chronic lymphocytic leukemia (CLL) for whom rituximab alone would be considered appropriate therapy due to other co-morbidities. Zydelig is a kinase inhibitor indicated for the treatment of patients with: Relapsed chronic lymphocytic leukemia (CLL), in combination with rituximab, in patients for whom rituximab alone would be considered appropriate therapy due to other co-morbidities. Limitations of use: Zydelig is not indicated and is not recommended for first-line treatment of any patient, includi...
WARNING: FATAL AND SERIOUS TOXICITIES: HEPATIC, SEVERE DIARRHEA, COLITIS, PNEUMONITIS, INFECTIONS, and INTESTINAL PERFORATION Fatal and/or serious hepatotoxicity occurred in 16% of Zydelig-treated patients. Monitor hepatic function prior to and during treatment. Interrupt and then reduce or disconti...
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Data Sources
Data sourced from official FDA and NIH databases. Click links to verify on original sources.