FDA pharmacologic class
Thiazolidinediones
1 medicine is in FDA's class of thiazolidinediones (thiazolidinediones): pioglitazone (Actos); 3 combination products also contain one. 2 of the 4 are listed from generic labelers (FDA NDC Directory, October 8, 2026). The lowest pharmacy cost is pioglitazone hcl 15 mg tablet at $0.0675 per tablet (NADAC).
Which medicines are thiazolidinediones?
| Medicine | Brand names | Generic labelers (all forms) | Pharmacy cost | Boxed warning | Shortage | Recalls since 2012 |
|---|---|---|---|---|---|---|
| Pioglitazone | Actos | 22 labelers | $0.0675 per tablet 15 mg tablet | Yes | No current entry | 2 |
| Metformin and pioglitazone | Actoplus | 5 labelers | $0.283 per unit 15-500 | Yes | No current entry | 1 |
| Alogliptin and pioglitazone | Oseni | none listed | $4.73 per tablet 25-15 mg tablet | Yes | No current entry | 0 |
| Glimepiride and pioglitazone | Duetact | none listed | $10.52 per unit 30-4 | Yes | No current entry | 1 |
Source: FDA Established Pharmacologic Class (NDC Directory, openFDA); CMS NADAC of October 7, 2026; FDA shortages and recalls (FDA files October 8, 2026)
What do pharmacies pay?
Each medicine's most widely listed form, per unit, in the NADAC survey: what pharmacies paid, not what a patient pays; strengths differ, so compare like with like.
Source: CMS National Average Drug Acquisition Cost (NADAC) survey, October 7, 2026: what retail pharmacies paid per unit; not a counter price