| Riluzole |
Suspension |
II (Paddle) |
35 |
Phosphate Buffer pH 4.5 |
900 [890 mL of medium + 10 mL of suspension] |
5, 10, 20, 30, 45 and 60 |
2022/05/12 |
| Rimantadine HCl |
Tablet |
|
|
Develop a dissolution method |
|
|
2023/09/15 |
| Rimegepant Sulfate |
Tablet, (Orally Disintegrating (ODT)) |
II (Paddle) |
50 |
50 mM Sodium Acetate Buffer, pH 4.5 |
500 |
5, 10, 15, 20 and 30 |
2022/05/12 |
| Rimexolone |
Ophthalmic Suspension |
|
|
Develop a method to characterize in vitro release |
|
|
2016/06/30 |
| Riociguat |
Tablet |
II (Paddle) |
75 |
pH 6.8 Phosphate Buffer with 0.1% Sodium Lauryl Sulfate [SLS] |
900 |
5, 10, 15, 20 and 30 |
2015/12/24 |
| Ripretinib |
Tablet |
II (Paddle) |
75 |
10 mM Sodium Acetate Buffer, pH 4.5, containing 0.25% (w/v) sodium dodecyl sulfate (SDS) |
900 |
5, 10, 15, 20, 30 and 45 |
2022/05/12 |
| Risedronate Sodium |
Tablet (Delayed Release) |
II (Paddle) |
75 |
Acid stage: 0.1 N HCl; Buffer stage: Phosphate buffer, pH 6.8 |
Acid stage: 500; Buffer stage: 500 |
Acid stage: 120; Buffer Stage: 10, 15, 20, 30 and 45 |
2012/01/26 |
| Risedronate Sodium |
Tablet |
|
|
Develop a dissolution method |
|
|
2024/01/03 |
| Risedronate Sodium/Calcium Carbonate |
Tablet (Copackaged) |
|
|
For Risedronate Tablets: Refer to USP; For Calcium Carbonate Tablets: Refer to USP. |
|
|
2010/07/01 |
| Risperidone |
For Suspension (Extended Release) |
IV (Flow thru cell-closed loop) |
|
50 mM Potassium Phosphate Buffer, pH 7.4 |
1000 |
8, 24, 96, 120, 144, 168, 192, 216 and 264 hours |
2025/06/23 |
| Risperidone |
Injectable |
|
|
Develop a dissolution method using USP IV (Flow-Through Cell), and, if applicable, Apparatus II (Paddle) or any other appropriate method, for comparative evaluation by the Agency |
|
|
2010/01/15 |
| Risperidone |
Tablet |
II (Paddle) |
50 |
0.1 N HCl |
500 |
10, 20, 30, 45 and 60 |
2006/03/04 |
| Risperidone |
Tablet (Orally Disintegrating) |
II (Paddle) |
50 |
0.1 N HCl |
500 |
5, 10, 15 |
2004/07/23 |
| Ritlecitinib Tosylate |
Capsule |
|
|
Refer to FDA's Dissolution Guidance, 2018 |
|
|
2024/11/01 |
| Ritonavir |
Powder |
I (Basket -100 mesh) |
100 |
0.1 N HCl |
900 |
5, 10, 15, 20 and 30 |
2017/11/16 |
| Ritonavir |
Tablet |
|
|
Develop a dissolution method |
|
|
2025/09/08 |
| Ritonavir |
Capsule |
|
|
Refer to USP |
|
|
2015/01/15 |
| Rivaroxaban (10 mg) |
Tablet |
II (Paddle) |
75 |
Acetate Buffer pH 4.5, 0.2% sodium dodecyl sulfate (SDS) |
900 |
10, 15, 20, 30 and 45 |
2015/01/15 |
| Rivaroxaban (15 and 20 mg) |
Tablet |
II (Paddle) |
75 |
Acetate Buffer pH 4.5, 0.4% SDS |
900 |
10, 15, 20, 30 and 45 |
2015/01/15 |
| Rivaroxaban (2.5 mg) |
Tablet |
II (Paddle) |
75 |
Acetate Buffer pH 4.5 |
900 |
10, 15, 20, 30 and 45 |
2019/02/07 |