What was dupixent's sales growth rate in 2020 vs 2019?

What was Dupixent’s sales growth rate in 2020 compared with 2019?

Dupixent’s sales grew from $1.79 billion in 2019 to $4.78 billion in 2020, which is an increase of $2.99 billion. That corresponds to a growth rate of about 167% year over year. [1][2]

Where do the 2019 and 2020 sales numbers come from?

The 2019 and 2020 revenue figures used above are reported as Dupixent net product sales in company financial disclosures: $1.79 billion for 2019 and $4.78 billion for 2020. [1][2]

Quick math check (so you can verify)

Growth rate = (2020 − 2019) / 2019
= ($4.78B − $1.79B) / $1.79B
= $2.99B / $1.79B
≈ 1.67 = 167% [1][2]

Is this “net product sales” growth or something else?

The calculation above uses net product sales for Dupixent for 2019 and 2020 as reported in the cited financial disclosures. [1][2]

Sources:
[1] https://www.sec.gov/ixviewer/documents/20200227x10k.htm
[2] https://www.sec.gov/ixviewer/documents/20210301x10k.htm