Rigel Pharmaceuticals
Rigel Pharmaceuticals sponsors 22 registered US clinical trials on ClinicalTrials.gov, 3 of them currently recruiting, and 18 completed. 6 of these trials are in Phase 3-4 (later-stage) and 15 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Immune Thrombocytopenic Purpura, with 2 trials.
Trial Pipeline
22 total, page 1 of 1
Olutasidenib DDI Study in Patients With IDH1 Mutation Positive Malignancies
NCT07486713
Study of Olutasidenib and Temozolomide in HGG
NCT06161974
Study of R289 in Patients With Lower-risk Myelodysplastic Syndromes (LR MDS)
NCT05308264
Observational Study of Fostamatinib as Second Line Therapy in Adult Patients With Immune Thrombocytopenia (ITP) and Insufficient Response to a Prior Therapy
NCT04904276
Double-Blind, Randomized, Placebo-Controlled, Multi-Center Phase 3 Study to Evaluate the Efficacy and Safety of Fostamatinib in COVID-19 Subjects
NCT04629703
A Phase 3, Multi-Center, Randomized, Double-Blind, Placebo-Controlled, Study of Fostamatinib Disodium in the Treatment of wAIHA
NCT03764618
A Safety and Efficacy Study of R935788 in the Treatment of Warm Antibody Autoimmune Hemolytic Anemia (AIHA)
NCT02612558
A Efficacy and Safety Study of Fostamatinib in the Treatment of Persistent/Chronic Immune Thrombocytopenic Purpura (ITP)
NCT02076412
Safety and Efficacy Study of Fostamatinib to Treat Immunoglobin A (IgA) Nephropathy
NCT02112838
Open Label Study of R788 in the Treatment of Persistent/Chronic Immune Thrombocytopenic Purpura (ITP)
NCT02077192
A Efficacy and Safety Study of R935788 in the Treatment of Persistent/Chronic Immune Thrombocytopenic Purpura (ITP)
NCT02076399
Safety and Efficacy Study of R932348 Ophthalmic Solution in Chronic Ocular Graft Versus Host Disease Patients(DROPS-2)
NCT02040623
To Assess the Safety and Efficacy of R932348 Ophthalmic Solutions in Patients With Keratoconjunctivitis Sicca
NCT01900249
A Safety, Tolerability and Pharmacokinetics Study of R932348 Eye Drops in Patients With Dry Eye Disease
NCT01733992
Safety and Efficacy of Topical R333 in Patients With Discoid Lupus Erythematosus (DLE) and Systemic Lupus Erythematosus (SLE) Lesions
NCT01597050
A Safety and Efficacy Study of Inhaled R940343 in Patients With Mild to Moderate Asthma
NCT01591044
Efficacy and Safety Study of Fostamatinib Disodium Tablets to Treat T-Cell Lymphoma
NCT00798096
Efficacy and Safety Study of R935788 Tablets to Treat Rheumatoid Arthritis (Taski-3)
NCT00665626
Efficacy and Safety Study of R935788 Tablets to Treat Rheumatoid Arthritis
NCT00665925
Efficacy and Safety Study of Fostamatinib Tablets to Treat B-cell Lymphoma
NCT00446095
Pilot Study of Fostamatinib Disodium/R935788 for the Treatment of Adult Refractory Immune Thrombocytopenic Purpura (ITP)
NCT00706342
Treatment of Arthritis With Syk Kinase Inhibition (TASKI-1)
NCT00326339
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 3 |
| Phase 2 | 12 |
| Phase 3 | 5 |
| Phase 4 | 1 |
Therapeutic Areas
What the Pipeline for Rigel Pharmaceuticals Shows
According to the ClinicalTrials.gov registry, Rigel Pharmaceuticals is linked to 22 US clinical trials across every stage of research activity. Of those, 3 studies are currently recruiting, about 14% of the sponsor's indexed portfolio, and 18 are already marked complete, representing roughly 82% of the total.
The phase mix for Rigel Pharmaceuticals reports 6 late-stage studies (Phase 3 and Phase 4 combined) and 15 earlier-phase studies (Phase 1 and Phase 2).
The top therapeutic focus area indexed for Rigel Pharmaceuticals is Immune Thrombocytopenic Purpura with 2 linked trials, and 9 other condition areas appear in the top list above.
How to read these pipeline numbers
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.
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.
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.
Related
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This page aggregates every registered trial from this sponsor, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.