Kyowa Kirin Co.
Trial Pipeline
A First-in-human Study of KK8123 in Adults With X-linked Hypophosphatemia
NCT06525636
A Study of KK2269 in Adult Participants With Solid Tumors
NCT06266299
Study to Assess the Efficacy & Safety of KHK4951 in Patients With Neovascular Age-Related Macular Degeneration
NCT06116890
Study to Assess the Efficacy & Safety of KHK4951 in Patients With Diabetic Macular Edema
NCT06116916
A Study to Evaluate Abuse Potential of Istradefylline
NCT02609477
Long Term Study of Istradefylline in Subjects With Moderate to Severe Parkinson's Disease
NCT02610231
An Extension Study of KRN23 in Adults With X-Linked Hypophosphatemia
NCT01571596
Efficacy and Safety of Sublingual Fentanyl Tablets in Treatment of Breakthrough Pain in Cancer Patients.
NCT00262678
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 4 |
| Phase 2 | 2 |
| Phase 3 | 2 |
Therapeutic Areas
What the Pipeline for Kyowa Kirin Co. Shows
According to the ClinicalTrials.gov registry, Kyowa Kirin Co. is linked to 8 US clinical trials across every stage of research activity. Of those, 2 studies are currently recruiting — about 25% of the sponsor's indexed portfolio — and 4 are already marked complete, representing roughly 50% of the total. Recruiting share is one of the more practical signals here: it reflects how much of a sponsor's research is presently open to new participants, while the completed share indicates the depth of finished work that has already contributed registry results. Both counts come directly from the public ClinicalTrials.gov dataset and are refreshed on the registry side; this page mirrors the latest data pull without altering it.
The phase mix for Kyowa Kirin Co. reports 2 late-stage studies (Phase 3 and Phase 4 combined) and 6 earlier-phase studies (Phase 1 and Phase 2). A portfolio weighted toward Phase 3 usually reflects an organization advancing candidates toward regulatory review, where the research centers on comparative efficacy and broader safety across larger populations. A heavier Phase 1 and Phase 2 tilt generally indicates exploratory work — safety, dosing, and early signal detection — and is common among research-forward sponsors that seed many early programs. Phase 4 entries, when present, track interventions already in real-world use and typically focus on long-term safety, effectiveness across subgroups, or formulation comparisons.
The top therapeutic focus area indexed for Kyowa Kirin Co. is X-linked Hypophosphatemia with 2 linked trials, and 9 other condition areas appear in the top list above. That distribution is a quick read of where the organization concentrates its research attention; it does not imply product availability, market share, or any clinical endorsement. All numbers on this page come from ClinicalTrials.gov maintained by the National Library of Medicine, and counts can shift as new studies are registered or existing ones update their status. This information is provided for reference and educational purposes only, not as medical, investment, or regulatory advice — verify current details directly with ClinicalTrials.gov before relying on any figure here.
Read our methodology — how this data is sourced, computed, and verified.