Multiple clinical trials spanning Phase I and Phase II have evaluated samotolisib monotherapy and combination regimens in healthy volunteers, advanced solid tumors, metastatic breast cancer, non-small cell lung cancer, and pediatric malignancies like osteosarcoma and Ewing sarcoma. Sponsored by industry, government, and academic entities—including Eli Lilly and Company, the National Cancer Institute, and Dana-Farber Cancer Institute—these studies encompass completed, active not recruiting, and terminated recruitment statuses. Collectively, these investigations demonstrate extensive evaluation of samotolisib's pharmacokinetic profile and therapeutic efficacy across diverse adult and pediatric cancers.
| NCT Number | Recruitment | Conditions | Sponsor/Collaborators | Start Date | Phases |
|---|---|---|---|---|---|
| NCT03675893 | RECRUITING | Endometrial Cancer |
Dana-Farber Cancer Institute |
2018-12-24 | PHASE2 |
| NCT03155620 | ACTIVE_NOT_RECRUITING | Advanced Malignant Solid Neoplasm; Ann Arbor Stage III Non-Hodgkin Lymphoma; Ann Arbor Stage IV Non-Hodgkin Lymphoma; Histiocytic Sarcoma; Juvenile Xanthogranuloma; Langerhans Cell Histiocytosis; Malignant Glioma; Recurrent Childhood Rhabdomyosarcoma; Recurrent Ependymoma; Recurrent Ewing Sarcoma; Recurrent Glioma; Recurrent Hepatoblastoma; Recurrent Langerhans Cell Histiocytosis; Recurrent Malignant Germ Cell Tumor; Recurrent Malignant Solid Neoplasm; Recurrent Medulloblastoma; Recurrent Neuroblastoma; Recurrent Non-Hodgkin Lymphoma; Recurrent Osteosarcoma; Recurrent Peripheral Primitive Neuroectodermal Tumor; Recurrent Primary Central Nervous System Neoplasm; Recurrent Rhabdoid Tumor; Recurrent Soft Tissue Sarcoma; Refractory Ewing Sarcoma; Refractory Glioma; Refractory Hepatoblastoma; Refractory Langerhans Cell Histiocytosis; Refractory Malignant Germ Cell Tumor; Refractory Malignant Solid Neoplasm; Refractory Medulloblastoma; Refractory Neuroblastoma; Refractory Non-Hodgkin Lymphoma; Refractory Osteosarcoma; Refractory Peripheral Primitive Neuroectodermal Tumor; Refractory Primary Central Nervous System Neoplasm; Refractory Rhabdoid Tumor; Refractory Rhabdomyosarcoma; Rhabdoid Tumor; Stage III Osteosarcoma AJCC v7; Stage III Soft Tissue Sarcoma AJCC v7; Stage IV Osteosarcoma AJCC v7; Stage IV Soft Tissue Sarcoma AJCC v7; Stage IVA Osteosarcoma AJCC v7; Stage IVB Osteosarcoma AJCC v7; Wilms Tumor |
National Cancer Institute (NCI) |
2017-07-31 | PHASE2 |
| NCT03213678 | COMPLETED | Advanced Malignant Solid Neoplasm; Ann Arbor Stage III Non-Hodgkin Lymphoma; Ann Arbor Stage IV Non-Hodgkin Lymphoma; Malignant Glioma; Recurrent Ependymoma; Recurrent Ewing Sarcoma; Recurrent Glioma; Recurrent Hepatoblastoma; Recurrent Langerhans Cell Histiocytosis; Recurrent Malignant Germ Cell Tumor; Recurrent Malignant Solid Neoplasm; Recurrent Medulloblastoma; Recurrent Neuroblastoma; Recurrent Non-Hodgkin Lymphoma; Recurrent Osteosarcoma; Recurrent Peripheral Primitive Neuroectodermal Tumor; Recurrent Primary Central Nervous System Neoplasm; Recurrent Rhabdomyosarcoma; Recurrent Soft Tissue Sarcoma; Refractory Langerhans Cell Histiocytosis; Refractory Malignant Germ Cell Tumor; Refractory Malignant Solid Neoplasm; Refractory Neuroblastoma; Refractory Non-Hodgkin Lymphoma; Refractory Primary Central Nervous System Neoplasm; Rhabdoid Tumor; Stage III Osteosarcoma AJCC v7; Stage III Soft Tissue Sarcoma AJCC v7; Stage IV Osteosarcoma AJCC v7; Stage IV Soft Tissue Sarcoma AJCC v7; Stage IVA Osteosarcoma AJCC v7; Stage IVB Osteosarcoma AJCC v7; Wilms Tumor |
National Cancer Institute (NCI) |
2017-11-28 | PHASE2 |
| NCT04032080 | COMPLETED | Triple Negative Breast Cancer |
Baylor Research Institute |
2019-09-05 | PHASE2 |
| NCT02549989 | COMPLETED | Endometrial Cancer; Recurrent Endometrial Cancer |
Memorial Sloan Kettering Cancer Center |
2015-09 | PHASE2 |
| NCT02057133 | ACTIVE_NOT_RECRUITING | Breast Neoplasms |
Eli Lilly and Company |
2014-03-10 | PHASE1 |
| NCT02124148 | COMPLETED | Neoplasm Metastasis; Colorectal Neoplasms; Breast Cancer |
Eli Lilly and Company |
2014-06-18 | PHASE1 |
| NCT01655225 | COMPLETED | Advanced Cancer; Metastatic Cancer; Non-Hodgkin's Lymphoma; Metastatic Breast Cancer; Malignant Mesothelioma; Non-small Cell Lung Cancer |
Eli Lilly and Company |
2012-07-31 | PHASE1 |
| NCT02407054 | COMPLETED | Prostate Cancer Metastatic |
Eli Lilly and Company |
2015-04-29 | PHASE2 |
| NCT02784795 | TERMINATED | Solid Tumor; Breast Cancer; Colon Cancer; Cholangiocarcinoma; Soft Tissue Sarcoma |
Eli Lilly and Company |
2016-11-04 | PHASE1 |
| NCT02079636 | COMPLETED | Carcinoma, Non-small Cell Lung |
Eli Lilly and Company |
2014-03-28 | PHASE1 |
| NCT02981342 | COMPLETED | Pancreatic Ductal Adenocarcinoma |
Eli Lilly and Company |
2017-01-12 | PHASE2 |
| NCT02443337 | TERMINATED | Non-small Cell Lung Cancer Metastatic |
Eli Lilly and Company |
2015-07 | PHASE2 |
| NCT02536586 | COMPLETED | Neoplasm |
Eli Lilly and Company |
2015-09 | PHASE1 |
| NCT02818335 | COMPLETED | Healthy |
Eli Lilly and Company |
2016-07 | PHASE1 |
| NCT02575703 | COMPLETED | Healthy |
Eli Lilly and Company |
2015-10 | PHASE1 |
| NCT02575703 | Completed | Healthy |
Eli Lilly and Company |
2015-10 | Phase 1 |
| NCT02536586 | Completed | Neoplasm |
Eli Lilly and Company |
2015-09 | Phase 1 |
| NCT02443337 | Terminated | Non-small Cell Lung Cancer Metastatic |
Eli Lilly and Company|SCRI Development Innovations LLC |
2015-07 | Phase 2 |
(data from https://clinicaltrials.gov, updated on 2026-06-22)
Mechanism and Biochemical Profile
Appendix RUO and cGMP Quality Standards
| Quality Dimension | RUO (Research Use Only) | cGMP (Current Good Manufacturing Practice) |
|---|---|---|
| Clinical Applicability | Prohibited in human clinical trials or medical diagnostics. | Mandatory for human clinical trials (Phase I–III) and therapies. |
| Regulatory Status | Non-regulated grade; exempt from drug manufacturing laws. | Legally enforced by health authorities (e.g., FDA, EMA, NMPA). |
| Facility Environment | Unclassified analytical or research laboratories. | Validated Cleanrooms (ISO Class 5–8) with continuous monitoring. |
| Quality Control | Basic purity and activity testing. | Rigorous safety release testing (Sterility, Endotoxin, Mycoplasma). |
| Process Validation | Basic equipment calibration; no process validation required. | Full qualification (IQ/OQ/PQ) and complete batch records. |
| Quality Assurance | Vendor self-declared without required formal QMS. | Mandatory QA/QC unit, Change Control, CAPA, and vendor audits. |
| Regulatory Impact | High risk of IND rejection if used as a critical raw material. | Required for IND/NDA filings, supported by Drug Master Files (DMF). |
Footnotes
Regulatory Note: Governed by FDA (21 CFR Parts 210/211/312), EMA (EudraLex Vol 4), ICH Guidelines (E6/Q7/Q9/Q10), and compendial standards (USP <71>/<85>/<1043>).
- Samotolisib (LY3023414) Solubility in DMSO
- Samotolisib (LY3023414) Stock Solution
- Samotolisib (LY3023414) Storage
- Samotolisib (LY3023414) Stability
- Samotolisib (LY3023414) Molecular Weight
- Samotolisib (LY3023414) SMILES
- Samotolisib (LY3023414) CAS Number
- Samotolisib (LY3023414) Chemical Structure (2D and 3D)
- Samotolisib (LY3023414) SDS|MSDS