FDA Orange Book · active-ingredient family
Phentermine hydrochloride; topiramate
Phentermine hydrochloride; topiramate is approved as 1 brand and 2 generic applications in the FDA Orange Book, with their therapeutic-equivalence codes, listed patents, and marketing exclusivity.
Reference-listed drug:QSYMIA · NDA 022580
1
Brand (NDA)
2
Generics (ANDA)
6
Listed patents
4
Exclusivity periods
Brand (NDA) products · capsule, extended release
| Product | Applicant | Application | TE | Approved | |
|---|---|---|---|---|---|
| QSYMIARLD×4 | VIVUS LLC | NDA 022580 | AB | Jul 17, 2012 |
Generic (ANDA) products (2)
| Product | Applicant | Application | TE | Approved | |
|---|---|---|---|---|---|
| PHENTERMINE HYDROCHLORIDE AND TOPIRAMATE×4 | DR REDDYS LABS SA | ANDA 208175 | AB | Jun 12, 2025 | |
| PHENTERMINE HYDROCHLORIDE AND TOPIRAMATE×4 | ACTAVIS LABS FL INC | ANDA 204982 | AB | Jun 25, 2024 |
Marketing exclusivity (4)
- M-308New use / labeling-change exclusivity (3 years)
Sep 13, 2027
in 1 yr 3 mo
- M-308New use / labeling-change exclusivity (3 years)
Sep 13, 2027
in 1 yr 3 mo
- M-308New use / labeling-change exclusivity (3 years)
Sep 13, 2027
in 1 yr 3 mo
- M-308New use / labeling-change exclusivity (3 years)
Sep 13, 2027
in 1 yr 3 mo
Listed patents (6)
| Patent | Expires | In | Type |
|---|---|---|---|
| 9011906 | Jun 09, 2028 | in 2 yr | U-3398 |
| 8895057 | Jun 09, 2028 | in 2 yr | U-3398 |
| 8895058 | Jun 09, 2028 | in 2 yr | Product |
| 9011905 | Jun 09, 2028 | in 2 yr | Product |
| 8580298 | May 15, 2029 | in 2 yr 11 mo | Product |
| 8580299 | Jun 14, 2029 | in 3 yr | U-3399 |
Phentermine hydrochloride; topiramate — frequently asked questions
Generics, reference-listed drug, patents, and exclusivity for this active ingredient, from the FDA Orange Book.

