Therapy Detail
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| Therapy Name | Idelalisib |
| Synonyms | |
| Therapy Description |
Zydelig (idelalisib) inhibits PI3K-delta, preventing the activation of the PI3K signaling pathway and inhibiting tumor cell proliferation, motility, and survival (PMID: 24450857). Zydelig (idelalisib) is FDA approved for follicular B-cell non-Hodgkin lymphoma, relapsed small lymphocytic lymphoma, and in combination with Rituxan (rituximab) for relapsed chronic lymphocytic leukemia (FDA.gov). |
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| Drug Name | Trade Name | Synonyms | Drug Classes | Drug Description |
|---|---|---|---|---|
| Idelalisib | Zydelig | CAL-101|GS-1101 | PIK3CD inhibitor 27 | Zydelig (idelalisib) inhibits PI3K-delta, preventing the activation of the PI3K signaling pathway and inhibiting tumor cell proliferation, motility, and survival (PMID: 24450857). Zydelig (idelalisib) is FDA approved for follicular B-cell non-Hodgkin lymphoma, relapsed small lymphocytic lymphoma, and in combination with Rituxan (rituximab) for relapsed chronic lymphocytic leukemia (FDA.gov). |
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| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|---|---|---|---|---|---|---|
| TP53 loss | chronic lymphocytic leukemia/small lymphocytic lymphoma | sensitive | Idelalisib | Guideline | Actionable | Zydelig (idelalisib) is indicated in the guidelines as second line and subsequent therapy for chronic lymphocytic leukemia/small lymphocytic lymphoma patients with TP53 loss (NCCN.org). | detail... |
| PIK3CA Q1033R PIK3CA H1047R | Burkitt lymphoma | predicted - sensitive | Idelalisib | Case Reports/Case Series | Actionable | In a clinical case study, Zydelig (idelalisib) treatment resulted in tumor shrinkage and decreased plasma LDH that continued for 10 months before recurrence in a patient with relapsed Burkitt lymphoma harboring PIK3CA H1047R and PIK3CA Q1033R (PMID: 32193631). | 32193631 |
| BRAF V600E/K PIK3CA wild-type | melanoma | no benefit | Idelalisib | Preclinical | Actionable | In a preclinical study, Zydelig (idelalisib) did not inhibit proliferation of melanoma cell lines harboring BRAF V600E/K and wild-type PIK3CA in culture (PMID: 26137449). | 26137449 |
| TP53 mutant | chronic lymphocytic leukemia/small lymphocytic lymphoma | sensitive | Idelalisib | Guideline | Actionable | Zydelig (idelalisib) is indicated in the guidelines as second line and subsequent therapy for chronic lymphocytic leukemia/small lymphocytic lymphoma patients with a TP53 mutation (NCCN.org). | detail... |
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| Clinical Trial | Phase | Therapies | Title | Recruitment Status | Covered Countries | Other Countries |
|---|---|---|---|---|---|---|
| NCT01306643 | Phase Ib/II | Idelalisib | Safety and Efficacy Study of Idelalisib (GS-1101, CAL-101) in Patients With Previously Treated Low-grade Lymphoma | Completed | USA | 0 |
| NCT02536300 | Phase III | Idelalisib | Dose Optimization Study of Idelalisib in Follicular Lymphoma | Terminated | ITA | GBR | FRA | ESP | CAN | AUS | 4 |
| NCT03126019 | Phase II | Parsaclisib Idelalisib | An Open-Label, Randomized Study Comparing INCB050465 to Idelalisib in Relapsed or Refractory Follicular Lymphoma (CITADEL-203) | Active, not recruiting | USA | ITA | GBR | ESP | DEU | CAN | AUS | 6 |
| NCT01732913 | Phase III | Idelalisib Rituximab | Efficacy and Safety of Idelalisib (GS-1101) in Combination With Rituximab for Previously Treated Indolent Non-Hodgkin Lymphomas | Terminated | USA | ITA | GBR | FRA | ESP | DEU | AUS | 12 |
| NCT04699461 | Phase II | Idelalisib Loncastuximab tesirine-lpyl | Study to Evaluate the Efficacy and Safety of Loncastuximab Tesirine Versus Idelalisib in Participants With Relapsed or Refractory Follicular Lymphoma (LOTIS 6) | Terminated | USA | ITA | GBR | FRA | ESP | BEL | 4 |
| NCT03151057 | Phase I | Idelalisib | Idelalisib Post Allogeneic Hematopoietic Stem Cell Transplant (HSCT) in B Cell Derived Malignancies | Terminated | USA | 0 |
| NCT01732926 | Phase III | Idelalisib Bendamustine + Rituximab | Efficacy and Safety of Idelalisib (GS-1101) in Combination With Bendamustine and Rituximab for Previously Treated Indolent Non-Hodgkin Lymphomas | Terminated | USA | ITA | GBR | FRA | ESP | DEU | CAN | AUS | 7 |
| NCT03133221 | Phase II | Idelalisib | 1630GCC: Zydelig Maintenance in B-Cell Non-Hodgkin's Lymphoma After Autologous Stem Cell Transplantation | Active, not recruiting | USA | 0 |
| NCT02662296 | Phase II | Idelalisib Ibrutinib | Ibrutinib or Idelalisib in Treating Patients With Persistent or Relapsed Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma, or Non-Hodgkin Lymphoma After Donor Stem Cell Transplant | Withdrawn | USA | 0 |
| NCT03878524 | Phase I | Oxaliplatin Palbociclib Vemurafenib Sirolimus Tretinoin Celecoxib Ipilimumab Ruxolitinib Dasatinib Abiraterone Idelalisib Trametinib Imatinib Erlotinib Carboplatin Olaparib Panobinostat Bortezomib Afatinib Fluorouracil Vorinostat Pembrolizumab Leucovorin Enzalutamide Ponatinib Nivolumab Everolimus Sunitinib Cabazitaxel Cabozantinib Lenvatinib Pertuzumab Sorafenib Venetoclax Bevacizumab | A Personalized Medicine Study for Patients With Advanced Cancer of the Breast, Prostate, Pancreas or Those With Refractory Acute Myelogenous Leukemia (SMMART) | Active, not recruiting | USA | 0 |
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