NNRTI Resistance Notes
Last updated on Feb 28, 2014
| Resistance Matrix | Resistance Mutation Comments | Resistance Mutation Scores |
Position ![]() | Cons | AA | EFV ![]() | NVP ![]() | ETR ![]() | RPV ![]() |
|---|---|---|---|---|---|---|
| 90 | V | I | 0 | 0 | 0 | 0 |
| 98 | A | G | 10 | 30 | 10 | 15 |
| 100 | L | I | 45 | 45 | 30 | 60 |
| 100 | L | V | 30 | 30 | 10 | 15 |
| 101 | K | E | 15 | 30 | 15 | 30 |
| 101 | K | P | 60 | 60 | 45 | 60 |
| 101 | K | Q | 0 | 0 | 0 | 0 |
| 101 | K | H | 15 | 15 | 10 | 10 |
| 101 | K | N | 0 | 0 | 0 | 0 |
| 103 | K | N | 60 | 60 | 0 | 0 |
| 103 | K | R | 0 | 0 | 0 | 0 |
| 103 | K | S | 45 | 60 | 0 | 0 |
| 103 | K | T | 15 | 60 | 0 | 0 |
| 103 | K | Q | 0 | 0 | 0 | 0 |
| 103 | K | E | 0 | 0 | 0 | 0 |
| 103 | K | H | 60 | 60 | 0 | 0 |
| 106 | V | A | 45 | 60 | 0 | 0 |
| 106 | V | M | 60 | 60 | 0 | 0 |
| 106 | V | I | 0 | 0 | 0 | 0 |
| 108 | V | I | 10 | 15 | 0 | 0 |
| 138 | E | A | 0 | 0 | 10 | 15 |
| 138 | E | K | 10 | 10 | 10 | 30 |
| 138 | E | Q | 10 | 10 | 10 | 15 |
| 138 | E | G | 10 | 10 | 10 | 15 |
| 138 | E | R | 10 | 10 | 10 | 15 |
| 179 | V | D | 10 | 10 | 10 | 10 |
| 179 | V | E | 10 | 10 | 10 | 10 |
| 179 | V | T | 10 | 10 | 10 | 10 |
| 179 | V | L | 10 | 10 | 10 | 15 |
| 179 | V | I | 0 | 0 | 0 | 0 |
| 179 | V | F | 10 | 15 | 15 | 15 |
| 181 | Y | C | 30 | 60 | 30 | 30 |
| 181 | Y | I | 30 | 60 | 60 | 60 |
| 181 | Y | V | 30 | 60 | 60 | 60 |
| 181 | Y | S | 15 | 60 | 15 | 15 |
| 181 | Y | F | 15 | 60 | 30 | 30 |
| 181 | Y | G | 15 | 60 | 30 | 30 |
| 188 | Y | C | 60 | 60 | 0 | 0 |
| 188 | Y | H | 30 | 60 | 0 | 0 |
| 188 | Y | L | 60 | 60 | 15 | 60 |
| 188 | Y | F | 60 | 30 | 0 | 30 |
| 190 | G | A | 45 | 60 | 15 | 15 |
| 190 | G | S | 60 | 60 | 15 | 15 |
| 190 | G | E | 60 | 60 | 45 | 45 |
| 190 | G | Q | 60 | 60 | 45 | 45 |
| 190 | G | C | 60 | 60 | 10 | 10 |
| 190 | G | V | 60 | 60 | 10 | 10 |
| 190 | G | T | 60 | 60 | 10 | 10 |
| 221 | H | Y | 10 | 10 | 10 | 10 |
| 225 | P | H | 30 | 30 | 0 | 0 |
| 227 | F | C | 30 | 30 | 30 | 30 |
| 227 | F | L | 15 | 30 | 0 | 0 |
| 230 | M | L | 45 | 60 | 30 | 45 |
| 230 | M | I | 15 | 30 | 15 | 30 |
| 234 | L | I | 0 | 0 | 0 | 0 |
| 236 | P | L | 0 | 0 | 0 | 0 |
| 238 | K | T | 30 | 60 | 0 | 0 |
| 238 | K | N | 10 | 10 | 0 | 0 |
| 318 | Y | F | 10 | 30 | 0 | 0 |
| 348 | N | I | 10 | 15 | 0 | 0 |
There are 10 combination rules below conditional on several mutations.
If triggered, their scores are added to the total score from the individual mutations above.
| Drug Name | Combination Rule | Score |
|---|---|---|
| EFV | 103R+179DE | 20 |
| EFV | 106A+227L | 15 |
| ETR | 181C+179F | 15 |
| ETR | 181C+190ASCVT | 10 |
| NVP | 103R+179DE | 20 |
| RPV | 101E+184I | 20 |
| RPV | 103R+179D | 15 |
| RPV | 138K+184I | 30 |
| RPV | 181C+179F | 15 |
| RPV | 181C+190ASCVT | 10 |


