Sold as Proloprim, Trimpex, Trimpex 200, Trimethoprim. Every FDA application for this active ingredient: 3 branded and 7 generic.
As of Nov 14, 2026, FDA lists 10 applications for Trimethoprim (sold as Proloprim, Trimpex, Trimpex 200 and others), first approved May 30, 1980, with 0 new uses approved and 0 published complete response letters.
| Product | Part | Spending, 2025 | Change | Beneficiaries |
|---|---|---|---|---|
| Trimethoprim | Part D | $11.3M | +12% | 52,495 |
| A Clinical Trial of MK-1045 With Zilovertamab Vedotin in Participants With Diffuse Large B-cell Lymphoma (MK-1045-010)Lymphoma, Large B-Cell, Diffuse, Diffuse Large B-Cell Lymphoma · Merck Sharp & Dohme LLC | Phase 2 / Phase 3 | Not yet recruiting | Nov 5, 2026 |
| Zuberitamab in the First Episode of Paediatric Nephrotic SyndromeNephrotic Syndrome · Children's Hospital of Fudan University | Phase 3 | Not yet recruiting | Aug 14, 2026 |
| TMP-SMX for Non-HIV PCP: A Prospective Multicenter StudyPneumocystis Jirovecii Pneumonia in Non-HIV Patients · Second Affiliated Hospital, Zhejiang University, School of Medicine | — | Not yet recruiting | Jul 8, 2026 |
| Precision Management of Urinary Tract Symptoms in Older WomenUrinary Tract Infection (Diagnosis) · Megan Bradley | Phase 3 | Recruiting | Jul 7, 2026 |
| Study on the Impact of Decolonization Treatment of Pneumocystis Jirovecii on the Frequency of Acute Exacerbation in COPDChronic Obstructive Pulmonary Disease (COPD) · Second Affiliated Hospital, Zhejiang University, School of Medicine | Not applicable | Not yet recruiting | Jun 24, 2026 |
| Self-Start Triage Model for Post-Botox® Lower Urinary Tract SymptomsOveractive Bladder · The Cleveland Clinic | Early phase 1 | Recruiting | Jun 15, 2026 |
| Low- vs Standard-Dose TMP-SMX for Prevention of Pneumocystis Pneumonia After Kidney TransplantationPneumocystis Jirovecii Pneumonia, Kidney Transplantation · Anhui Provincial Hospital | Phase 4 | Not yet recruiting | Jun 1, 2026 |
| Extended Oral Antibiotic Prophylaxis in Diabetic Fracture PatientsFracture Lower Leg, Diabetes · Texas Tech University Health Sciences Center, El Paso | Phase 4 | Recruiting | May 1, 2026 |
| May 30, 1980 | ProloprimNDA 17943 · New dosage form | Monarch Pharms | 16 | Discontinued |
| May 30, 1980 | Trimpex, Trimpex 200NDA 17952 · New formulation or manufacturer | Roche | 12 | Discontinued |
| Jul 30, 1982 | TrimethoprimNDA 18679 | Dr Reddys Labs SA | 30 | Marketed |
| Jun 6, 1985 | TrimethoprimANDA 70049 | Watson Labs | 11 | Marketed |
| Jan 23, 1986 | TrimethoprimANDA 70494 | Sun Pharm Industries | 10 | Discontinued |
| Mar 14, 1986 | TrimethoprimANDA 70495 | Sun Pharm Industries | 10 | Discontinued |
| Jun 18, 1987 | TrimethoprimANDA 71259 | Teva | 16 | Discontinued |
| Jun 15, 2011 | TrimethoprimANDA 91437 | Novel Labs Inc | 2 | Marketed |
| Oct 28, 2022 | TrimethoprimANDA 216393 | Novitium Pharma | 0 | Marketed |
| Oct 23, 2026 | TrimethoprimANDA 221194 | Bionpharma | 0 | Marketed |
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