Numerous clinical trials evaluate adenine derivatives and nicotinamide adenine dinucleotide formulations across conditions including HIV, post-COVID-19 syndrome, metabolic age-related disorders, cutaneous photoaging, glaucoma, and mitochondrial myopathies. Spanning Phase 1, Phase 2, Phase 4, and phase-unspecified research, these completed, recruiting, and status-unknown studies assess therapeutic endpoints such as antiviral efficacy and metabolic recovery. These evaluations are sponsored by a mix of industry and academic entities, including Gilead Sciences, AgelessRx, the National Institute of Allergy and Infectious Diseases, and the University of Birmingham.
| NCT Number | Recruitment | Conditions | Sponsor/Collaborators | Start Date | Phases |
|---|---|---|---|---|---|
| NCT06627868 | RECRUITING | Obesity, Abdominal |
University of Turku |
2024-11-20 | |
| NCT07692633 | NOT_YET_RECRUITING | NAD+ Bioavailability; NAD+ Safety; NAD+ Efficacy |
Reus Research |
2026-08 | |
| NCT06971224 | RECRUITING | Sleep |
Haukeland University Hospital |
2025-10-13 | PHASE2 |
| NCT07428889 | COMPLETED | Healthy Adult |
Shaklee Corporation |
2026-02-17 | |
| NCT06991712 | RECRUITING | Glaucoma |
Christopher Kai Shun Leung |
2025-05-19 | PHASE2 |
| NCT06776510 | RECRUITING | Immune Thrombocytopenia; Treatment |
Institute of Hematology & Blood Diseases Hospital, China |
2025-01-15 | PHASE1; PHASE2 |
| NCT06005350 | UNKNOWN | NAD |
Charite University, Berlin, Germany |
2023-11-01 | |
| NCT06534944 | COMPLETED | Peripheral Artery Disease |
University of Oklahoma |
2023-02-27 | PHASE1; PHASE2 |
| NCT04604704 | COMPLETED | Covid19; Long COVID-19; Post-COVID-19 Syndrome |
AgelessRx |
2021-01-28 | PHASE2 |
| NCT04538521 | COMPLETED | Mitochondrial Myopathies |
University of Helsinki |
2019-02-11 | |
| NCT02950441 | UNKNOWN | Aging |
University of Birmingham |
2016-06 | PHASE2 |
| NCT01898182 | COMPLETED | Cutaneous Photoaging |
Makati Medical Center |
2013-11 | PHASE4 |
| NCT01885091 | COMPLETED | Skin Roughness; Mottling; Blotchiness; Pigmentation; Fine Wrinkles |
Menarini (Thailand) Limited |
2012-12 | PHASE4 |
| NCT00002396 | UNKNOWN | HIV Infections |
Gilead Sciences |
PHASE1 | |
| NCT00000843 | COMPLETED | HIV Infections |
National Institute of Allergy and Infectious Diseases (NIAID) |
PHASE1 | |
| NCT00002180 | COMPLETED | HIV Infections |
Gilead Sciences |
PHASE1 | |
| NCT00002346 | COMPLETED | HIV Infections |
Gilead Sciences |
PHASE1 | |
| NCT00002326 | COMPLETED | HIV Infections |
Gilead Sciences |
PHASE1 | |
| NCT00002128 | COMPLETED | HIV Infections |
Gilead Sciences |
PHASE1 | |
| NCT00002115 | COMPLETED | HIV Infections |
Gilead Sciences |
PHASE1 |
(data from https://clinicaltrials.gov, updated on 2026-02-18)
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>).