Multiple clinical trials sponsored by Takeda evaluate zasocitinib (TAK-279) across Phase 1, Phase 2, and Phase 3 stages, with statuses spanning completed, recruiting, and not yet recruiting. Phase 1 studies assess safety, drug-drug interactions, and pharmacokinetics in healthy volunteers and individuals with renal impairment. Mid- and late-stage trials evaluate clinical efficacy in autoimmune and inflammatory conditions, including plaque psoriasis, psoriatic arthritis, palmoplantar psoriasis, hidradenitis suppurativa, nonsegmental vitiligo, Crohn's disease, and ulcerative colitis.
| NCT Number | Recruitment | Conditions | Sponsor/Collaborators | Start Date | Phases |
|---|---|---|---|---|---|
| NCT07250802 | RECRUITING | Plaque Psoriasis |
Takeda |
2025-12-04 | PHASE3 |
| NCT06764615 | RECRUITING | Crohn's Disease; Ulcerative Colitis |
Takeda |
2025-05-28 | PHASE2 |
| NCT07286058 | RECRUITING | Psoriatic Arthritis |
Takeda |
2026-03-11 | PHASE3 |
| NCT07403968 | RECRUITING | Crohn's Disease |
Takeda |
2026-08-13 | PHASE2 |
| NCT07244263 | RECRUITING | Hidradenitis Suppurativa |
Takeda |
2026-01-26 | PHASE2 |
| NCT07108283 | RECRUITING | Nonsegmental Vitiligo |
Takeda |
2025-11-03 | PHASE2 |
| NCT07752108 | NOT_YET_RECRUITING | Palmoplantar Psoriasis |
Takeda |
2026-09-01 | PHASE3 |
| NCT06671496 | RECRUITING | Psoriatic Arthritis |
Takeda |
2025-03-10 | PHASE3 |
| NCT06671483 | RECRUITING | Psoriatic Arthritis |
Takeda |
2025-03-03 | PHASE3 |
| NCT06973291 | COMPLETED | Plaque Psoriasis |
Takeda |
2025-07-09 | PHASE3 |
| NCT06793943 | COMPLETED | Healthy Volunteers |
Takeda |
2025-01-23 | PHASE1 |
| NCT06111547 | Not yet recruiting | Healthy Volunteers |
Takeda |
2024-05-30 | Phase 1 |
| NCT06290050 | Recruiting | Healthy Volunteers |
Takeda |
2024-03-29 | Phase 1 |
| NCT06108544 | Recruiting | Plaque Psoriasis |
Takeda |
2023-11-06 | Phase 3 |
| NCT06088043 | Recruiting | Plaque Psoriasis |
Takeda |
2023-11-06 | Phase 3 |
| NCT05992155 | Recruiting | Renal Impairment|Healthy Volunteers |
Takeda |
2023-09-27 | Phase 1 |
(data from https://clinicaltrials.gov, updated on 2026-07-21)
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>).