Clinical Trials

Linsitinib (OSI-906) has been evaluated in numerous clinical trials ranging from early to late phases across various indications, including non-small cell lung cancer, Ewing sarcoma, advanced solid tumors, multiple myeloma, gastrointestinal stromal tumors, and thyroid eye disease. Sponsored by pharmaceutical entities such as Astellas Pharma and Sling Therapeutics as well as academic organizations like the National Cancer Institute and EORTC, these studies encompass completed, recruiting, terminated, and withdrawn recruitment statuses.

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT07753603 RECRUITING
Thyroid Eye Disease, TED; Graves Orbitopathy
Sling Therapeutics, Inc.
2026-08-04 PHASE3
NCT06112340 RECRUITING
Thyroid Eye Disease; Graves Orbitopathy; Endocrine System Diseases; Eye Diseases; Thyroid Associated Ophthalmopathy; Graves Ophthalmopathy; Thyroid Diseases; Orbital Diseases; Proptosis; IGF1R; Exophthalmos; Hashimoto
Sling Therapeutics, Inc.
2023-10-11 PHASE2; PHASE3
NCT05276063 COMPLETED
Thyroid Eye Disease; Graves Orbitopathy; Endocrine System Diseases; Eye Diseases; Thyroid Associated Ophthalmopathy; Graves Ophthalmopathy; Thyroid Diseases; Orbital Diseases; Proptosis; IGF1R; Exophthalmos; Hashimoto
Sling Therapeutics, Inc.
2022-07-01 PHASE2; PHASE3
NCT01672736 TERMINATED
Multiple Myeloma
University Health Network, Toronto
2012-09 PHASE1; PHASE2
NCT02057380 COMPLETED
Advanced Solid Tumors
Astellas Pharma Global Development, Inc.
2014-04-16 PHASE2
NCT02546544 COMPLETED
Relapsed Ewing Sarcoma; Refractory Ewing Sarcoma
University of Oxford
2014-03 PHASE2
NCT01427205 WITHDRAWN
Head and Neck Cancer
M.D. Anderson Cancer Center
2013-06 PHASE2
NCT01560260 COMPLETED
Carney Complex; Chondrosarcoma; Gastrointestinal Stromal Tumor; Paraganglioma
National Cancer Institute (NCI)
2012-03 PHASE2
NCT01533181 COMPLETED
Recurrent Small Cell Lung Carcinoma
National Cancer Institute (NCI)
2012-02 PHASE2
NCT00889382 COMPLETED
Ovarian Cancer; Solid Tumors
Astellas Pharma Inc
2009-08-05 PHASE1; PHASE2
NCT02546544 Completed
Relapsed Ewing Sarcoma|Refractory Ewing Sarcoma
University of Oxford|European Organisation for Research and Treatment of Cancer - EORTC|European Commission|Astellas Pharma Inc|Oxford University Hospitals NHS Trust
2014-03 Phase 2
NCT01567384 WITHDRAWN
Cancer; Neoplasms; Tumors
Emory University
2012-05 PHASE1
NCT01465815 WITHDRAWN
Recurrent Skin Cancer; Recurrent Squamous Cell Carcinoma of the Lip and Oral Cavity; Squamous Cell Carcinoma of the Skin; Stage III Squamous Cell Carcinoma of the Lip and Oral Cavity; Stage IVA Squamous Cell Carcinoma of the Lip and Oral Cavity; Stage IVB Squamous Cell Carcinoma of the Lip and Oral Cavity
OHSU Knight Cancer Institute
2011-12 PHASE1; PHASE2
NCT01186861 COMPLETED
Non-Small Cell Lung Cancer (NSCLC) With Nonprogression Following 4 Cycles of Platinum-based Chemotherapy
Astellas Pharma Inc
2011-03-04 PHASE2
NCT01154335 COMPLETED
Metastatic Colorectal Cancer
SCRI Development Innovations, LLC
2010-07 PHASE1
NCT01016860 TERMINATED
Colorectal Cancer
University of Colorado, Denver
2009-12 PHASE1
NCT01221077 COMPLETED
NSCLC; Non Small Cell Lung Cancer
Astellas Pharma Inc
2011-04-08 PHASE2
NCT01529684 COMPLETED
Advanced Solid Tumors; Pharmacokinetics of 14C-OSI-906
Astellas Pharma Global Development, Inc.
2012-03-19 PHASE1
NCT01533246 COMPLETED
Adenocarcinoma of the Prostate; Hormone-resistant Prostate Cancer; Recurrent Prostate Cancer; Stage IV Prostate Cancer
National Cancer Institute (NCI)
2012-02 PHASE2
NCT01672736 Terminated
Multiple Myeloma
University Health Network Toronto|Multiple Myeloma Research Consortium|Astellas Pharma Inc
2012-09 Phase 1|Phase 2
NCT00924989 COMPLETED
Adrenocortical Carcinoma
Astellas Pharma Inc
2009-12-01 PHASE3
NCT00514007 COMPLETED
Advanced Solid Tumors
Astellas Pharma Inc
2007-06-18 PHASE1
NCT00739453 COMPLETED
Advanced Solid Tumors
Astellas Pharma Inc
2008-10-23 PHASE1
NCT01529684 Completed
Advanced Solid Tumors|Pharmacokinetics of 14C-OSI-906
Astellas Pharma Global Development Inc.|Astellas Pharma Inc
2012-03-19 Phase 1
NCT01101906 TERMINATED
Advanced Hepatocellular Carcinoma (HCC)
Astellas Pharma Inc
2011-01-10 PHASE2
NCT01334710 TERMINATED
Liver Cancer
Emory University
2011-03 PHASE2
NCT01205685 TERMINATED
Hormone-sensitive Metastatic Breast Cancer
Vanderbilt-Ingram Cancer Center
2010-05 PHASE2
NCT01221077 Completed
NSCLC|Non Small Cell Lung Cancer
Astellas Pharma Inc
2011-04-08 Phase 2
NCT00514306 COMPLETED
Advanced Solid Tumors
Astellas Pharma Inc
2007-07-05 PHASE1
NCT01013506 WITHDRAWN
Breast Cancer
Vanderbilt-Ingram Cancer Center
2009-08 PHASE2
NCT01600807 WITHDRAWN
Pancreatic Cancer, Metastatic
Dana-Farber Cancer Institute
PHASE1; PHASE2

(data from https://clinicaltrials.gov, updated on 2026-08-11)

Check the Linsitinib (OSI-906) product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Compliance for Clinical Use

Mechanism and Biochemical Profile

Linsitinib operates as a selective inhibitor of the insulin-like growth factor-1 receptor and insulin receptor, thereby blocking receptor autophosphorylation and suppressing downstream AKT and MAP kinase signaling cascades. This intracellular pathway inhibition attenuates cell proliferation and promotes apoptosis, driving anti-tumor activity and clinical efficacy in conditions such as advanced solid tumors, non-small cell lung cancer, and thyroid eye disease.

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.