Several completed clinical trials have evaluated the therapeutic efficacy, safety, and pharmacokinetic profile of avanafil across Phase I and Phase IV investigations. Research primarily addressed conditions such as erectile dysfunction, alongside safety assessments in healthy volunteers, individuals with renal impairment, and evaluations of semen exposure and sperm function. Featuring both crossover and parallel-cohort designs, these studies were sponsored by academic institutions like the University of Alexandria as well as pharmaceutical industry sponsors including VIVUS LLC.
| NCT Number | Recruitment | Conditions | Sponsor/Collaborators | Start Date | Phases |
|---|---|---|---|---|---|
| NCT04374994 | Completed | Erectile Dysfunction |
University of Alexandria |
2018-09-01 | Phase 4 |
| NCT01095601 | Completed | Healthy |
VIVUS LLC |
2010-04 | Phase 1 |
| NCT01117038 | Completed | Erectile Dysfunction |
VIVUS LLC |
2010-04 | Phase 1 |
| NCT01054430 | Completed | Erectile Dysfunction |
VIVUS LLC |
2010-01 | Phase 1 |
| NCT01054261 | Completed | Renal |
VIVUS LLC |
2010-01 | Phase 1 |
| NCT00914511 | Completed | Avanfil ADME|Semen Exposure|Sperm Function |
VIVUS LLC |
2009-05 | Phase 1 |
(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>).