Sold as Tavist, Tavist-1. Every FDA application for this active ingredient: 3 branded and 11 generic.
As of Nov 15, 2026, FDA lists 14 applications for Clemastine Fumarate (sold as Tavist, Tavist-1), first approved Feb 25, 1977, with 3 new uses approved and 0 published complete response letters.
| Clemastine Fumarate | Part D | $25.1M | +26% | 1,946 |
| Clemsza | Part D | $406K | New | 66 |
| Neonatal White Matter Injury Trial (WRAP)White Matter Injury, Brain Injury, Fetus and Neonate · Bridget LaMonica Ostrem, M.D., Ph.D. | Phase 1 | Recruiting | Jul 7, 2026 |
| A Treatment for a Form of Age-Related Central Auditory Processing Disorder Consisting of Clemastine Fumarate Plus Engineered SoundCentral Auditory Processing Disorder, Hearing Impaired (Partially) · University of Colorado, Denver | Phase 1 / Phase 2 | Recruiting | Dec 26, 2025 |
| Clemastine for Improving White Matter and Boosting Antidepressant Response in Late-life DepressionDepression · University of Illinois Chicago | Phase 2 | Recruiting | Sep 19, 2024 |
| Combining Clemastine and Aerobic Exercise to Treat Cognitive Dysfunction in Schizophrenia by Targeting Myelin PlasticitySchizophrenia · LMU Klinikum | Phase 2 | Not yet recruiting | Mar 18, 2024 |
| Evaluation of the Omission of Dexamethasone in Premedication Regimens During Paclitaxel TreatmentCancer · Erasmus Medical Center | Phase 4 | Recruiting | Nov 7, 2023 |
| Clemastine Treatment in Individuals With Williams SyndromeWilliams Syndrome · Sheba Medical Center | Phase 2 | Active, not recruiting | Oct 18, 2023 |
| Assessing Changes in Multi-parametric MRI in Patients With Acute Demyelinating Lesions Taking Clemastine Fumarate as a Myelin Repair TherapyDemyelinating Diseases, Demyelination; Corpus Callosum · University of California, San Francisco | Phase 1 / Phase 2 | Not yet recruiting | Oct 4, 2023 |
| Assessing Changes in Multi-parametric MRI in MS Patients Taking Clemastine Fumarate as a Myelin Repair TherapyMultiple Sclerosis (MS), Multiple Sclerosis, Relapsing-Remitting · University of California, San Francisco | Phase 1 / Phase 2 | Recruiting | May 4, 2022 |
| Feb 25, 1977 | Tavist, Tavist-1NDA 17661 · New molecular entity | Novartis | 43 | Discontinued |
| Jun 28, 1985 | TavistNDA 18675 · New dosage form | Novartis | 6 | Discontinued |
| Jan 31, 1992 | Clemastine FumarateANDA 73282 | Ani Pharms | 30 | Discontinued |
| Jan 31, 1992 | Clemastine FumarateANDA 73283 | Genus | 28 | Marketed |
| Apr 21, 1992 | Clemastine FumarateANDA 73095 | Teva Pharms | 9 | Discontinued |
| Aug 21, 1992 | Tavist-1NDA 20925 · TYPE 8 | Haleon US Holdings | 2 | Discontinued |
| Oct 31, 1993 | Clemastine FumarateANDA 73458 | Pld Acquisitions LLC | 10 | Discontinued |
| Oct 31, 1993 | Clemastine FumarateANDA 73459 | Omnivium Pharms | 10 | Discontinued |
| Oct 31, 1993 | Clemastine FumarateANDA 74075 | Actavis Mid Atlantic | 6 | Discontinued |
| Jun 30, 1994 | Clemastine FumarateANDA 73399 | Genus | 17 | Marketed |
| Nov 22, 1995 | Clemastine FumarateANDA 74512 | L Perrigo Co | 8 | Discontinued |
| Dec 17, 1997 | Clemastine FumarateANDA 74884 | Genus Lifesciences | 2 | Marketed |
| Mar 13, 1998 | Clemastine FumarateANDA 74863 | Wockhardt Bio AG | 1 | Discontinued |
| Nov 27, 2000 | Clemastine FumarateANDA 75703 | Apotex Inc | 0 | Discontinued |
Applications, approvals and products come from FDA's Drugs@FDA data files, refreshed weekly, grouped by active ingredient as FDA spells it. Complete response letters are FDA's published letters. Medicare spending is CMS's Part D and Part B dashboard, matched to this ingredient by generic name; shortages are FDA's shortage list, matched by application number; clinical trials are ClinicalTrials.gov studies naming the ingredient as an intervention, refreshed daily; safety programs are FDA's REMS list, matched by application number or, for shared programs, by ingredient. Drugs@FDA