Multiple clinical trials have evaluated tafamidis meglumine across Phase 1, Phase 3, and Phase 4 studies for indications including transthyretin amyloid polyneuropathy, transthyretin amyloid cardiomyopathy, and evaluations in healthy volunteers. Industry sponsors, notably Pfizer and Qilu Pharmaceutical Co., Ltd., have led these investigations, ranging from early crossover bioequivalence assessments to pivotal efficacy trials. While the majority of these studies are completed, select Phase 4 post-marketing evaluations remain actively recruiting to further evaluate efficacy and safety.
| NCT Number | Recruitment | Conditions | Sponsor/Collaborators | Start Date | Phases |
|---|---|---|---|---|---|
| NCT06940336 | RECRUITING | Transthyretin Amyloid Polyneuropathy |
Qilu Pharmaceutical Co., Ltd. |
2025-06-19 | PHASE4 |
| NCT02791230 | COMPLETED | Transthyretin (TTR) Amyloid Cardiomyopathy |
Pfizer |
2016-06-13 | PHASE3 |
| NCT04828993 | COMPLETED | Transthyretin Amyloid Polyneuropathy (ATTR-PN) |
Pfizer |
2021-04-28 | PHASE4 |
| NCT05498701 | COMPLETED | Healthy |
Pfizer |
2022-09-29 | PHASE1 |
| NCT04575116 | COMPLETED | Healthy |
Pfizer |
2020-09-17 | PHASE1 |
| NCT03662191 | COMPLETED | Healthy Volunteers |
Pfizer |
2018-09-28 | PHASE1 |
| NCT03280173 | COMPLETED | Healthy |
Pfizer |
2017-09-29 | PHASE1 |
| NCT03266705 | COMPLETED | Healthy |
Pfizer |
2017-09-20 | PHASE1 |
| NCT01994889 | COMPLETED | Transthyretin (TTR) Amyloid Cardiomyopathy |
Pfizer |
2013-12-09 | PHASE3 |
(data from https://clinicaltrials.gov, updated on 2025-07-30)
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>).