Clinical Trials

Multiple clinical trials sponsored by Eli Lilly and Company and M.D. Anderson Cancer Center have evaluated Phase 1 and Phase 2 protocols of LY3295668 across indications such as small cell lung cancer, non-small cell lung carcinoma, metastatic breast cancer, neuroblastoma, and solid tumors. Early monotherapy and combination studies in small cell lung cancer and metastatic breast cancer are completed. Furthermore, trials evaluating combination therapy in lung adenocarcinoma and pediatric neuroblastoma remain active but are no longer recruiting participants.

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT05017025 ACTIVE_NOT_RECRUITING
Advanced Lung Non-Squamous Non-Small Cell Carcinoma; Metastatic Lung Non-Squamous Non-Small Cell Carcinoma; Stage III Lung Cancer AJCC v8; Stage IIIA Lung Cancer AJCC v8; Stage IIIB Lung Cancer AJCC v8; Stage IIIC Lung Cancer AJCC v8; Stage IV Lung Cancer AJCC v8; Stage IVA Lung Cancer AJCC v8; Stage IVB Lung Cancer AJCC v8
M.D. Anderson Cancer Center
2022-02-17 PHASE1; PHASE2
NCT04106219 ACTIVE_NOT_RECRUITING
Neuroblastoma
Eli Lilly and Company
2020-06-11 PHASE1
NCT03898791 COMPLETED
Small Cell Lung Cancer
Eli Lilly and Company
2019-07-16 PHASE1
NCT03955939 COMPLETED
Metastatic Breast Cancer
Eli Lilly and Company
2019-08-02 PHASE1
NCT03092934 COMPLETED
Neoplasms; Neoplasm Metastasis; Triple Negative Breast Neoplasms; Head and Neck Neoplasms; Breast Neoplasms; Solid Tumor, Adult; Small Cell Lung Carcinoma
Eli Lilly and Company
2017-05-29 PHASE1; PHASE2
NCT03898791 Completed
Small Cell Lung Cancer
Eli Lilly and Company
2019-07-16 Phase 1

(data from https://clinicaltrials.gov, updated on 2026-06-22)

Check the LY3295668 product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Compliance for Clinical Use

Mechanism and Biochemical Profile

LY3295668 potently and selectively binds to Aurora A kinase with an inhibition constant of 0.8 nM, thereby blocking target phosphorylation required for proper centrosome maturation, mitotic spindle assembly, and cell cycle progression. This mechanistic blockade induces spindle abnormalities, mitotic arrest, and selective apoptosis in rapidly proliferating malignant cells, providing the biological foundation for its clinical evaluation in Aurora A-driven malignancies such as small cell lung cancer and metastatic breast cancer.

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>).

Note: Technical data last updated: Sep 1, 2026.