Multiple clinical trials are currently evaluating sphingosine and related pathways across a diverse spectrum of conditions, including glioblastoma, Type II Gaucher disease, diabetes mellitus, sphingolipidoses, coronavirus infections, multiple sclerosis, and acne vulgaris. Spanning Phase 1 through Phase 3 investigations alongside observational registries and biomarker assessments, these protocols are sponsored by academic institutions, university hospitals, and biopharmaceutical entities such as Duke University, the University of California San Francisco, and RedHill Biopharma. Participant recruitment status across these studies varies, encompassing active protocols reported as recruiting, completed, or not yet recruiting.
| NCT Number | Recruitment | Conditions | Sponsor/Collaborators | Start Date | Phases |
|---|---|---|---|---|---|
| NCT04657146 | Recruiting | Glioblastoma |
Duke University |
2024-02-05 | -- |
| NCT06272149 | Recruiting | Type II Gaucher Disease |
Xinhua Hospital Shanghai Jiao Tong University School of Medicine|Shanghai Vitalgen BioPharma Co. Ltd. |
2023-03-01 | Early Phase 1 |
| NCT05524246 | Recruiting | Hematopoietic Stem Cell Transplant (HSCT)|Endothelial Injury |
Children''s Hospital Medical Center Cincinnati |
2023-01-27 | Phase 1 |
| NCT04467840 | COMPLETED | COVID-19; Lung Infection |
RedHill Biopharma Limited |
2020-08-21 | PHASE2; PHASE3 |
| NCT04414618 | COMPLETED | Coronavirus Infections |
RedHill Biopharma Limited |
2020-07-02 | PHASE2 |
| NCT03447964 | Completed | Diabetes Mellitus Type 2|Diabetes Mellitus Type 1 |
Groupe Hospitalier Pitie-Salpetriere |
2017-04-04 | -- |
| NCT01488513 | COMPLETED | Pancreatic Cancer; Unspecified Adult Solid Tumor, Protocol Specific |
RedHill Biopharma Limited |
2011-08 | PHASE1 |
(data from https://clinicaltrials.gov, updated on 2024-05-22)
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>).