NDA 20813, held by Roche. Clonazepam.
As of Nov 13, 2026, NDA 20813 (Klonopin Rapidly Disintegrating), held by Roche, was first approved by FDA on Dec 23, 1997, with 8 approved supplements and 0 published complete response letters.
| Date | Submission | Status | Documents |
|---|---|---|---|
| Dec 23, 1997 | Original applicationNew dosage form · Standard review | Approved | None posted |
| Klonopin Rapidly Disintegrating0.125MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** · tablet, orally disintegrating;oral | Clonazepam | DiscontinuedReference drug |
| Klonopin Rapidly Disintegrating0.25MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** · tablet, orally disintegrating;oral | Clonazepam | DiscontinuedReference drug |
| Klonopin Rapidly Disintegrating0.5MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** · tablet, orally disintegrating;oral | Clonazepam | DiscontinuedReference drug |
| Klonopin Rapidly Disintegrating1MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** · tablet, orally disintegrating;oral | Clonazepam | DiscontinuedReference drug |
| Klonopin Rapidly Disintegrating2MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** · tablet, orally disintegrating;oral | Clonazepam | DiscontinuedReference drug |
| Dec 16, 2016 | Supplement 10Labeling · Standard review | Approved | |
| Oct 31, 2013 | Supplement 9Labeling · Standard review | Approved | |
| Nov 29, 2011 | Supplement 8REMS | Approved | |
| Sep 1, 2010 | Supplement 6Labeling · Standard review | Approved | |
| Sep 1, 2010 | Supplement 7Labeling · Standard review | Approved | |
| Apr 23, 2009 | Supplement 5Labeling | Approved | |
| Dec 3, 2001 | Supplement 2Manufacturing · Standard review | Approved | None posted |
| Jul 31, 2001 | Supplement 1Manufacturing · Standard review | Approved | None posted |
| Dec 23, 1997 | Original applicationNew dosage form · Standard review | Approved | None posted |
Approvals, supplements, products and documents come from FDA's Drugs@FDA data files, refreshed daily; Drugs@FDA lists approved applications only. Complete response letters are FDA's published letters. Drugs@FDA and FDA complete response letters