Pacibekitug - Tourmaline Bio
Alternative Names: PAC 001; PF-04236921; PF-4236921; TOUR-006Latest Information Update: 13 Feb 2026
At a glance
- Originator Pfizer
- Developer Pfizer; Tourmaline Bio
- Class Anti-inflammatories; Antirheumatics; Cardiovascular therapies; Eye disorder therapies; Monoclonal antibodies; Urologics; Vascular disorder therapies
- Mechanism of Action Interleukin 6 inhibitors
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Orphan Drug Status
No
Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.
- New Molecular Entity Yes
- Available For Licensing Yes
Highest Development Phases
- Phase II Cardiovascular disorders; Graves ophthalmopathy; Kidney disorders
- Preclinical Abdominal aortic aneurysm
- Discontinued Crohn's disease; Rheumatoid arthritis; Systemic lupus erythematosus
Most Recent Events
- 31 Dec 2025 Novartis intends to file regulatory applications for pacibekitug for the approval of Atherosclerotic Cardiovascular Disease in or after 2029 (Novartis pipeline, December 2025)
- 04 Dec 2025 Tourmaline Bio completes a phase II TRANQUILITY trial for Kidney disorders in USA (SC) (NCT06362759)
- 08 Nov 2025 Pharmacodynamics and adverse event data from a phase II TRANQUILITY trial for Kidney disorders presented at American Heart Association Scientific Sessions 2025 (AHA-2025)