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Revenue Recognition and Collaborative Arrangements (Tables) | 6 Months Ended
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Jun. 30, 2021
Revenue Recognition and Collaborative Arrangements |
Schedule of net revenue from collaborative arrangements | Net revenue recognized under our GSK Agreements was as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended June 30, | ​ | Six Months Ended June 30,
(In thousands) |  | 2021 |  | 2020 |  | 2021 |  | 2020
Royalties from a related party - RELVAR/BREO | ​ | $ | 65,916 | ​ | $ | 45,570 | ​ | $ | 122,306 | ​ | $ | 101,719
Royalties from a related party - ANORO | ​ |  | 11,960 | ​ |  | 11,199 | ​ |  | 22,460 | ​ |  | 21,049
Royalties from a related party - TRELEGY | ​ | ​ | 26,386 | ​ | ​ | 15,633 | ​ | ​ | 48,470 | ​ | ​ | 31,768
Total royalties from a related party | ​ |  | 104,262 | ​ |  | 72,402 | ​ |  | 193,236 | ​ |  | 154,536
Less: amortization of capitalized fees paid to a related party | ​ |  | (3,456) | ​ |  | (3,456) | ​ |  | (6,912) | ​ |  | (6,912)
Royalty revenue | ​ |  | 100,806 | ​ |  | 68,946 | ​ |  | 186,324 | ​ |  | 147,624
Strategic alliance - MABA program | ​ | ​ | — | ​ | ​ | 10,000 | ​ | ​ | — | ​ | ​ | 10,000
Total net revenue from GSK | ​ | $ | 100,806 | ​ | $ | 78,946 | ​ | $ | 186,324 | ​ | $ | 157,624

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