hydrochlorothiazide; spironolactone · Pfizer · NDA 012616
Aldactazide
Earliest generic entry, as listed
Open now
No unexpired patents or exclusivities are listed for this product.
Listed patents · 0 unexpired
No unexpired patents listed.
Exclusivities · 0 unexpired
No unexpired exclusivities listed.
Paragraph IV certifications · 0
No Paragraph IV certification listed by FDA for this drug.
The list shows that a generic applicant certified to FDA that a listed patent is invalid or not infringed. It does not show litigation, settlements or launch timing.
Event history
- 25 Oct 2026Generic approved · 012616-00410 Sep 2026
Products covered · 2
| NDA · product | Form | Strength | Listed expiry |
|---|---|---|---|
| 012616 · 004 · RLD | tablet, oral | 25MG;25MG | open |
| 012616 · 005 · RLD · discontinued | tablet, oral | 50MG;50MG | open |