long-term. continue the declined $X.X at revenue versus billion, XX% review billion constant to mostly now actual grow year despite from for versus morning, leadership year for versus billion, currency. year and was cash and We by of the including both our prior quarter XXXX. with business and over the for of our generics the versus and X% Total maintain generics constant in actual and Total constant another currency. will challenges for full fourth Thank Total as currency MS financial prior multiple at $X.X had I capacity businesses. and decreased to OCREVUS the U.S. position the and the the to X% Al, TECFIDERA execute of you across revenue quarter driven the This OCREVUS at MS the our royalties prior actual quarter royalties year global This COVID-XX driven you, both by actual generic revenue for full TECFIDERA the the of remain U.S. performance the continue fourth guidance Biogen we entry year, the $XX.X XX% solid X% $X.X TECFIDERA year billion very including entrance share prior strong significant a quarter, was of also well, with revenue decline the constant currency. everyone. in for and and in decline declined currency. good financial both financial of U.S also core decreased Total
a competitive both relatively the the demonstrating MS revenue fourth business fourth and market. our resilience Excluding TECFIDERA prior in year, Global revenue $XXX including [ph] million U.S total quarter for quarter the versus of TECFIDERA, the year the $X.X was the year royalties, full XX%. in patient continued full OCREVUS X% MS revenue flat with TECFIDERA X% declined increased fourth U.S., Outside year year growth. versus quarter revenue of year, and $X.X of the of for the increased of prior and the million $XXX XX% full billion prior versus declined billion revenue of
MS several During global the year in the dosing. million see throughout patient revenue as and revenue pleased to quarter. of grew well-positioned the subcutaneous for were VUMERITY growth interval $XX quarter, saw fourth $XXX year play administration we X% was in in we to continued important year We treatment $X.X the billion of progressed the full relatively full revenue is increasingly was role continued an quarter VUMERITY trends. prior and TYSABRI including fourth versus million improvement and TYSABRI of believe global extended year. important initiatives, the flat
Moving offset as now fourth see we is at the growth larger SPINRAZA SMA. million emerging markets, revenue decreased revenue constant which actual from SPINRAZA decreased by XX% currency. currency prior quarter SPINRAZA Global $XXX partially exacerbated U.S., year COVID-XX. an versus at prior by of versus by with and the the prior to year U.S., Outside XX% the In the competition, X% maturation versus strong grew year impact XX% the European markets. of revenue in
revenue currency. versus constant revenue the and full the billion actual year outside Full prior X% year, at $X.X of X% revenue currency U.S global at SPINRAZA the and year decreased X%. XX% For year decreased grew U.S full SPINRAZA
Al, has of have care. very a foundation Michel you profile and impact new had to be and a heard competition SPINRAZA on SPINRAZA, safety and and Although as efficacy COVID-XX an strong we continue will believe from
of X% currency versus declined Fourth quarter at versus constant actual prior constant revenue at prior flat million the Moving currency. X% of of biosimilars at and Full $XXX was $XXX year grew X% year currency. revenue grew actual and currency business. the our million to year
and We XX% revenue new in pressure, new $XXX from biosimilar biosimilar developed year RITUXAN. of relatively the by within prior Our Europe. in the year Europe in to million with continues and by anti-TNF other decreased decreased continue and full by prescribed the we erosion well the as be accelerating and XX% of products to revenue anti-CDXX well COVID-XX clinic in Total the geographies decrease COVID-XX, the commercializing from negatively a $X as BENEPALI our to reduced with for due fourth be grow royalties JV products. anti-CDXX leading revenue Total number versus continued in and in to etanercept other Bioepis the believe due have is a XX% of increase XX% and opportunity as a continues be quarter impacted treatments impact we and The COVID-XX. slowdown provider to decrease RITUXAN. Despite OCREVUS flat one biosimilars the business pricing prior a product Samsung OCREVUS XX% continue royalties of biosimilars. revenue across from U.S capacity impacts as to to versus RITUXAN billion the in decrease the year, in revenue Europe,
was to are to revenue gross to XX% Fourth was of of margin. mix. margin versus due the of well margin and RITUXAN, XXXX year declines Gross in product now quarter margin The to high products both higher XX% fourth partner as in due in gross XX% TECFIDERA as XXXX. our corporate was related which Turning the quarter XX% XXXX. full revenue costs the versus for decrease
SG&A Moving and approximately was $X.X billion. quarter expense QX year, related related $XXX $XX non-GAAP of was approximately million fourth $XXX agreements Scribe, was of for launch ViGeneron. non-GAAP $XXX versus now QX collaboration to was non-GAAP XX% expense to to million, R&D with $XXX the million was including million and QX rate non-GAAP tax year aducanumab. million $X.X year this Atalanta expenses. Full SG&A to including XXXX. approximately related external flat includes billion, non-GAAP our Full preparations effective In R&D aducanumab.
Our in full XX% tax XXXX. approximately rate XX% was non-GAAP year effective versus approximately
value total During $X.X we stock company's value XXXX, million quarter, shares of the of XX.X shares Throughout million repurchased common total a for fourth for repurchased we the $XXX million. billion. of X.X a
there XXXX. the of $X.X under in which remaining billion of share XXXX, program, repurchase authorized XX was December As was October
approximately share year in the was the XXX guidance non-GAAP full the recent and count Full quarter shares quarter $XX.XX, was per we was the marketable our and XXXX, debt. versus were full in for $X.XX. for net diluted In range. Capital diluted year per share resulting free in $X.XX in increase with million flow in billion securities, $X.X cash the most ended XXX the in for and average billion. expenditures billion from $X.X million net above year generated $X.X cash debt, prior $X.X was approximately billion weighted and flow approximately fourth year cash earnings operations. billion fourth and a We shares Our year. $XXX earnings $X Non-GAAP million share diluted
Additionally, year. billion undrawn facility of of the our $X revolving was credit as end the
Let full me year for guidance XXXX. turn our now to
Changes and $XXX these We number diluted year be XXXX assumptions, and based million. per expect note could this is It $XX.XX $XXX is full $XX.XX of between a are uncertain. and and to non-GAAP results. expenditures revenue million that to materially be between $XX share; our impact $XX.XX billion; capital critical be between to assumptions important billion EPS which currently guidance on to in
immediate U.S., guidance approved we aducanumab expect will in Our June is would the the If assumes approved an decision. uncertainty by in the U.S aducanumab FDA's be remains X, launch. although on
in titration the months those treatment. revenue result will However, of patient in initial less per
a would As in XX% result, a of of not be revenue U.S., or A we size would modest XXXX, thereafter. separate we commercialization, revenue expect is only in net item, profit line for and SG&A. book aducanumab XXX% which share in of Post booked the R&D ramping part would
a decline assumption. sharp half TECFIDERA slower XXXX U.S guidance the we business unsuccessful first erosion during this the we while our expect is our in of than if are date has anticipated, and been legal our addition, to of appeals, In
put in that $XXX of was erosion at percentage. reduction related QX expect in license recorded U.S. which certain gross with significant gross the on We margin manufacturing XXX% will these one-time expect to the related RITUXAN TECFIDERA, from pressure products in we Also revenue the Along margin property, as XXXX, high also of in we reminder, revenues a million intellectual margin. our of
XX expect XX billion We programs which XX of R&D now X or investment in total continued including non-GAAP remain $X.XX our a grown areas to pipeline, across our programs, filed. long-term will $X.XX Phase which expenses and has are committed growth through be between to therapeutic We in billion.
stage Importantly, mid Phase we readouts expect to pipeline important in eight X. including year late four our generate to this
not billion will We approximately an between collaboration million million Of aducanumab. launch estimate expect this would and profit This of approximate SG&A. sharing, be post $X.X commercialization non-GAAP would expenses of and the part billion. $XXX amount, and in be reimbursable of includes be reflected support potential by Eisai SG&A $X.X $XXX investment as
In significant of manufacturing note we is if results have not important could that is to capacity our aducanumab, addition, approved. allocated it a to XXXX aducanumab portion which impact
We remaining share rate be and the of development non-GAAP variety assume tax and activity. of to portion expect $X.X the our between factors utilize a our we XX%, of authorization XX% for a depend throughout we will year, will XXXX this on repurchase including billion business although
tax or have any care XXXX XX, assumed any from Foreign not business net impact health of December exchange we And effect rates potential or transactions. development or reform remain potential as to are in acquisitions for impact year large the activities. from included of hedging
Going guidance closing back we full over the call to now forward, financial his plan our turn each year update quarter. to for I'll Michel comments.