RESEARCH ARTICLE
E ec i eness o ood supplemen s in
inc easing a - ee issue acc e ion in child en
wi h mode a e acu e malnu i ion: A
andomised 2 ×2×3 ac o ial ial in Bu kina
Faso
Ch is ian Fabiansen
1,2
, Cha les W. Yame
´ogo
1,3
, Ann-Sophie Iuel-B ockdo
1,2
,
Be na de e Cichon
1,2
, Ma en J. H. Ry e
1
, Anu a Ku pad
4
, Jona han C. Wells
5
,
Ch is ian Ri z
1
, Pe Asho n
6
, Suzanne Fil eau
7
, And e
´B iend
1,6
, Susan Shephe d
8
, Vibeke
B. Ch is ensen
2,9
, Kim F. Michaelsen
1
, Hen ik F iis
1
*
1Depa men o Nu i ion, Exe cise and Spo s, Uni e si y o Copenhagen, Copenhagen, Denma k,
2Me
´decins Sans F on iè es–Denma k, Copenhagen, Denma k, 3De
´pa emen Biome
´dical e San e
´
Publique Ins i u de Reche che en Sciences de la San e
´, Ouagadougou, Bu kina Faso, 4Di ision o Nu i ion,
S John’s Resea ch Ins i u e, Bangalo e, India, 5Childhood Nu i ion Resea ch Cen e, UCL G ea O mond
S ee Ins i u e o Child Heal h, London, Uni ed Kingdom, 6Cen e o Child Heal h Resea ch, Uni e si y o
Tampe e School o Medicine and Tampe e Uni e si y Hospi al, Tampe e, Finland, 7Facul y o Epidemiology
and Popula ion Heal h, London School o Hygiene & T opical Medicine, London, Uni ed Kingdom, 8Alliance
o In e na ional Medical Ac ion, Daka , Senegal, 9Depa men o Paedia ics, Righospi ale , Copenhagen,
Denma k
*[email p o ec ed]
Abs ac
Backg ound
Child en wi h mode a e acu e malnu i ion (MAM) a e ea ed wi h lipid-based nu ien sup-
plemen (LNS) o co n-soy blend (CSB). We assessed he e ec i eness o (a) ma ix, i.e.,
LNS o CSB, (b) soy quali y, i.e., soy isola e (SI) o dehulled soy (DS), and (c) pe cen age o
o al p o ein om d y skimmed milk, i.e., 0%, 20%, o 50%, in inc easing a - ee issue
acc e ion.
Me hods and indings
Be ween Sep embe 9, 2013, and Augus 29, 2014, a andomised 2 ×2×3 ac o ial ial
ec ui ed 6- o 23-mon h-old child en wi h MAM in Bu kina Faso. The in e en ion comp ised
12 weeks o ood supplemen a ion p o iding 500 kcal/day as LNS o CSB, each con aining
SI o DS, and 0%, 20%, o 50% o p o ein om milk. Fa - ee mass (FFM) was assessed by
deu e ium dilu ion echnique. By di iding FFM by leng h squa ed, he p ima y ou come was
exp essed independen o leng h as FFM index (FFMI) acc e ion o e 12 weeks. O he ou -
comes comp ised eco e y a e and addi ional an h opome ic measu es. O 1,609 child en,
4 died, 61 we e los o ollow-up, and 119 we e ans e ed ou due o supplemen a ion being
swi ched o non-expe imen al p oduc s. No child en de eloped alle gic eac ion. A inclu-
sion, 95% we e b eas ed, mean (SD) weigh was 6.91 kg (0.93), wi h 83.5% (5.5) FFM. In
PLOS Medicine | h ps://doi.o g/10.1371/jou nal.pmed.1002387 Sep embe 11, 2017 1 / 18
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OPEN ACCESS
Ci a ion: Fabiansen C, Yame
´ogo CW, Iuel-
B ockdo A-S, Cichon B, Ry e MJH, Ku pad A, e
al. (2017) E ec i eness o ood supplemen s in
inc easing a - ee issue acc e ion in child en wi h
mode a e acu e malnu i ion: A andomised 2 ×2×
3 ac o ial ial in Bu kina Faso. PLoS Med 14(9):
e1002387. h ps://doi.o g/10.1371/jou nal.
pmed.1002387
Academic Edi o : James K Tumwine, Make e e
Uni e si y Medical School, UGANDA
Recei ed: Ma ch 10, 2017
Accep ed: Augus 9, 2017
Published: Sep embe 11, 2017
Copy igh : ©2017 Fabiansen e al. This is an open
access a icle dis ibu ed unde he e ms o he
C ea i e Commons A ibu ion License, which
pe mi s un es ic ed use, dis ibu ion, and
ep oduc ion in any medium, p o ided he o iginal
au ho and sou ce a e c edi ed.
Da a A ailabili y S a emen : All ele an da a a e
wi hin he pape and i s Suppo ing In o ma ion
iles.
Funding: The s udy was unded by Danish
In e na ional De elopmen Assis ance (09-097
LIFE) (KFM); Me
´decins Sans F on iè es (Denma k,
No way); A id Nilsson’s Founda ion; The Wo ld
Food P og am, which was pa o a dona ion o he
Wo ld Food P og am om he Ame ican people
he whole coho , weigh inc eased 0.90 kg (95% CI 0.88, 0.93; p<0.01) comp ising 93.5%
(95% CI 89.5, 97.3) FFM. As compa ed o child en who ecei ed CSB, FFMI acc e ion was
inc eased by 0.083 kg/m
2
(95% CI 0.003, 0.163; p= 0.042) in hose who ecei ed LNS. In
con as , SI did no inc ease FFMI compa ed o DS (mean di e ence 0.038 kg/m
2
; 95% CI
−0.041, 0.118; p= 0.35), i espec i e o ma ix. Ha ing 20% milk p o ein was associa ed
wi h 0.097 kg/m
2
(95% CI −0.002, 0.196) g ea e FFMI acc e ion han ha ing 0% milk p o-
ein, al hough his di e ence was no signi ican (p= 0.055), and he e was no e ec o 50%
milk p o ein (0.049 kg/m
2
; 95% CI −0.047, 0.146; p= 0.32). The e was no e ec modi ica ion
by season, admission c i e ia, o baseline FFMI, s un ing, in lamma ion, o b eas eeding (p
>0.05). LNS compa ed o CSB esul ed in 128 g (95% CI 67, 190; p<0.01) g ea e weigh
gain i bo h con ained SI, bu he e was no di e ence be ween LNS and CSB i bo h con-
ained DS (mean di e ence 22 g; 95% CI −40, 84; p= 0.49) (in e ac ion p= 0.017). Acco d-
ingly, SI compa ed o DS inc eased weigh by 89 g (95% CI 27, 150; p= 0.005) when
combined wi h LNS, bu no when combined wi h CSB. A limi a ion o his and o he ood
supplemen a ion ials is ha i is no possible o collec eliable da a on indi idual
adhe ence.
Conclusions
Based on his s udy, child en wi h MAM mainly gain a - ee issue when ehabili a ed. Ne -
e heless, LNS yields mo e a - ee issue and highe eco e y a es han CSB. Mo eo e ,
cu en LNSs wi h DS may be imp o ed by shi ing o SI. The ole o milk ela i e o soy me -
i s u he esea ch.
T ial egis a ion
ISRCTN egis y ISRCTN42569496
Au ho summa y
Why was his s udy done?
• Mode a e acu e malnu i ion (MAM) is widesp ead among child en in low-income
coun ies and is a isk ac o o mo bidi y, se e e acu e malnu i ion, and dea h.
• WHO ecommends mo e esea ch on ood supplemen s o child en wi h MAM. Cu -
en ly, he e is no consensus on ei he he e ec i eness o lipid-nu ien supplemen
(LNS) compa ed o co n-soy blend (CSB), o on he ole o key ac o s like milk and
soy.
• The e is conce n ha child en ecei ing LNS migh accumula e oo much a issue.
Wha did he esea che s do and ind?
• In a la ge andomised ial o 1,609 child en wi h MAM, conduc ed in a humani a ian
se ing in Bu kina Faso, we in es iga ed he e ec i eness o key ac o s in supplemen al
Food supplemen s in mode a e acu e malnu i ion
PLOS Medicine | h ps://doi.o g/10.1371/jou nal.pmed.1002387 Sep embe 11, 2017 2 / 18
h ough he suppo o he US Agency o
In e na ional De elopmen ’s O ice o Food o
Peace; he Alliance o In e na ional Medical Ac ion;
and he Eu opean Union’s humani a ian aid unds,
in pa ne ship wi h Ac ion Con e la Faim. The
unde s had no ole in s udy design, da a collec ion
and analysis, decision o publish, o p epa a ion o
he manusc ip .
Compe ing in e es s: I ha e ead he jou nal’s
policy and he au ho s o his manusc ip ha e he
ollowing compe ing in e es s: KFM has ecei ed
esea ch g an s om US Dai y Expo Council and
he Danish Dai y Resea ch Founda ion, and also
has esea ch collabo a ion wi h Nu ise , a
p oduce o LNS p oduc s, and pa en owne ; HF
has ecei ed esea ch g an s om ARLA Food o
Heal h Cen e, and also has esea ch collabo a ion
wi h Nu ise , a p oduce o LNS p oduc s, and
pa en owne ; AB was he in en o o LNS, o
which Nu ise has he pa en , bu abandoned
claims o oyal ies in 2003. O he au ho s decla e
no inancial ela ionships wi h any o ganisa ions
ha migh ha e an in e es in he submi ed wo k in
he p e ious h ee yea s, and decla e no o he
ela ionships o ac i i ies ha could appea o ha e
in luenced he submi ed wo k.
Abb e ia ions: CHW, communi y heal h wo ke ;
CSB, co n-soy blend; D
2
O, deu e ium oxide; DS,
dehulled soy; DSM, d y skimmed milk; FFM, a -
ee mass; FFMI, a - ee mass index; FM, a mass;
FMI, a mass index; ITT, in en ion- o- ea ; LNS,
lipid-based nu ien supplemen ; MAM, mode a e
acu e malnu i ion; MUAC, mid-uppe a m
ci cum e ence; PP, pe p o ocol; RUTF, eady- o-
use he apeu ic ood; SAM, se e e acu e
malnu i ion; SI, soy isola e; TBW, o al body wa e ;
WHO, Wo ld Heal h O ganiza ion; WHZ, weigh - o -
heigh z-sco e.
oods, namely (a) he ma ix (LNS e sus CSB), (b) he soy quali y (soy isola e e sus
dehulled soy), and (c) he le el o d y skimmed milk.
• We e alua ed body composi ion o assess he quali y o weigh gain, and used a - ee
mass issue acc e ion as ou p ima y ou come.
• Fa - ee issue acc e ion as well as eco e y om MAM we e bo h highe when using
LNS compa ed o CSB.
• Child en gi en LNS did no pu on excessi e a .
Wha do hese indings mean?
• Ou indings suppo a wide use o LNS in he ea men o child en wi h MAM. A
swi ch o LNS would lead o g ea e gain o a - ee issue and eco e y, and would ben-
e i millions o child en.
In oduc ion
Mode a e acu e malnu i ion (MAM), de ined as mode a e was ing o low mid-uppe a m ci -
cum e ence (MUAC), is widesp ead among child en in low-income coun ies. While bo h
p e alence and incidence a e unknown, mode a e was ing alone a ec s 33 million child en a
any ime [1]. Child en wi h MAM a e a isk o mo bidi y and mo ali y om in ec ious dis-
eases o p og ession o se e e acu e malnu i ion (SAM), while hose who eco e may be a
isk o elapse, impai ed physical and cogni i e de elopmen , and la e non-communicable
diseases [2,3].
The e is limi ed e idence o in o m ecommenda ions on he composi ion o supplemen-
a y oods o ea child en wi h MAM, and he Wo ld Heal h O ganiza ion (WHO) ecom-
mends esea ch o de elop cos -e ec i e p oduc s [4]. Supplemen a y oods o malnou ished
child en a e based on a ma ix o ei he co n-soy blend (CSB) o lipid-based nu ien supple-
men (LNS) [5]. The e a e subs an ial di e ences be ween he 2 p oduc ypes, no only in
nu i ional composi ion, bu also in cos , how hey a e consumed, and he logis ics needed o
deli e y. A key sou ce o p o ein in CSB is soy, o en dehulled soy (DS), which con ains highe
le els o an i-nu ien s (compounds impai ing abso p ion o mine als) compa ed o mo e
expensi e soy isola e (SI) [6]. The i s LNS p oduc was de eloped o ea SAM and was
based on he nu i ional composi ion o he he apeu ic milk F-100, con aining high amoun s
o dai y p oduc s and no soy [7]. This p oduc ype is also e e ed o as eady- o-use he apeu-
ic ood (RUTF). Mo e ecen ly, a ange o LNS p oduc s, some con aining soy, has been de el-
oped o MAM. The inclusion o d y skimmed milk (DSM) in supplemen s imp o es he
amino acid p o ile, p o ides mine als wi h high bioa ailabili y, and educes he con en o
an i-nu ien s when i eplaces ege able p o ein sou ces, bu also inc eases cos s [8,9].
T ials assessing he e ec s o supplemen s ypically use weigh gain o nu i ional eco e y
as he p ima y ou come, and do no conside body composi ion. While nu i ional eco e y,
i.e., inc ease in weigh - o -heigh z-sco e (WHZ) o MUAC abo e speci ic cu o s, is an es ab-
lished p og amma ic ou come, he accompanying heal h bene i s a e no well known. Inade-
qua e acc e ion o a - ee issue, i.e., muscle, o gans, and bone, impai s body unc ion and
Food supplemen s in mode a e acu e malnu i ion
PLOS Medicine | h ps://doi.o g/10.1371/jou nal.pmed.1002387 Sep embe 11, 2017 3 / 18
heal h [10]. The weigh o a - ee issue, i.e., a - ee mass (FFM), can be measu ed unde ield
condi ions using he deu e ium dilu ion echnique and can be exp essed independen o leng h
as FFM index (FFMI) by di iding by leng h in me e s squa ed.
We aimed o in es iga e he e ec i eness o ma ix, soy quali y, and pe cen age o o al p o-
ein om d y skimmed milk in he ea men o MAM in inc easing FFMI acc e ion.
Me hods
E hics
The ial was app o ed by he E hics Commi ee o Heal h Resea ch in Bu kina Faso (2012-8-
059), and consul a i e app o al was ob ained om he Danish Na ional Commi ee on Bio-
medical Resea ch E hics (1208204). The ial was egis e ed in he ISRCTN egis y
(ISRCTN42569496). In o ma ion and consen o ms we e ansla ed in o he local language
(Mo e
´) and back- ansla ed o ensu e accu acy. Ca egi e s ga e e bal and w i en consen
(signa u e o inge p in ) p io o en olmen .
S udy design
We conduc ed a andomised 2 ×2×3 ac o ial ial (T ea ood) assessing he e ec s o he
ma ix (LNS e sus CSB), soy quali y (SI e sus DS), and pe cen age o p o ein om DSM
(20% and 50% e sus 0%), esul ing in 12 di e en supplemen s, some o which co espond o
exis ing p oduc s (Fig 1). Supplemen s we e gi en o 12 weeks. The ial was double-blinded
wi h espec o soy quali y and milk con en , bu no ma ix.
Pa icipan s
This ial was conduc ed in he P o ince du Passo e
´in he no he n egion o Bu kina Faso, in
an a ea quali ying o supplemen a y eeding p og ammes based on he p e alence o acu e
malnu i ion [11]. The p e alence o mode a e was ing was 9% and o se e e was ing and/o
oedema was 1.4% [12]. A 3- o 5-mon h-long ‘lean’ season usually s a s in June [13]. The p e -
alence o HIV in ec ion among women 15–49 yea s o age was 0.8% [14]. The amily die was
ce eal-based, and consump ion o cow’s milk and o he animal-sou ce oods was a e.
S udy si es we e cons uc ed a 5 go e nmen al heal h cen es (Gomponsom, La oden,
Baga e
´, Bokin, and Samba) and s a ed by he non-go e nmen al o ganisa ion Alliance o
In e na ional Medical Ac ion (ALIMA, Senegal). The s udy ca chmen a ea was de ined by a
maximum dis ance o 23 km om a s udy si e, and illages assumed o be inaccessible du ing
he ainy season we e excluded. Popula ion size in he s udy ca chmen a ea was es ima ed a
258,000.
Child en we e sc eened o MAM in illages by communi y heal h wo ke s (CHWs) o by
designa ed mobile sc eening eams. Fu he mo e, child en could be e e ed o a s udy si e
om a heal h cen e, o could p esen a a si e on ca egi e ’s ini ia i e. Child en we e ec ui ed
i (a) hey we e esiden in he ca chmen a ea a he ime o inclusion, (b) a diagnosis o MAM
was con i med, i.e., MUAC 115 mm and <125 mm and/o WHZ –3 and <–2, and (c)
hey we e age 6–23 mon hs, based on a heal h ca d o a locally adap ed e en s calenda . Chil-
d en we e no included i hey we e (a) ea ed o SAM (WHZ <−3 o MUAC <115 mm o
oedema) o hospi alised wi hin he pas 2 mon hs, (b) al eady in a nu i ional p og amme, o
(c) equi ing hospi alisa ion, e.g., haemoglobin <50 g/l. Child en wi h a se e e disabili y, lim-
i ing he easibili y o in es iga ions, o wi h suspec ed alle gy o milk, peanu s, CSB, o LNS
we e also excluded.
Food supplemen s in mode a e acu e malnu i ion
PLOS Medicine | h ps://doi.o g/10.1371/jou nal.pmed.1002387 Sep embe 11, 2017 4 / 18
To minimise mixing o sha ing o expe imen al supplemen s, only he i s child wi h
MAM iden i ied om a gi en household was included in he ial. Siblings wi h MAM o
wins disco dan o MAM s a us ecei ed he same supplemen bu we e no included in he
ial.
Randomisa ion
Child en we e indi idually assigned a andom o in e en ion g oups. Supplemen s we e des-
igna ed by a 1-le e code by he manu ac u e , and a code-key was kep in a sealed en elope in
a sa e un il comple ion o da a analysis. Random sequences, in blocks o 12 o 24 and s a i ied
by si e, we e c ea ed by a pe son no in ol ed in he ial using Randomiza ion.com (h p://
www. andomiza ion.com). The supplemen s we e packed in indi idual boxes con aining a ull
12-week ea men o 1 pa icipan (ei he 6 bags o CSB o 84 sache s o LNS). Du ing p o-
duc ion, each box and bag/sache o supplemen was labelled wi h a 12-le e sequence con-
aining he ele an 1-le e code in a ixed posi ion and he 11 emaining le e s in andom
o de . In Bu kina Faso, 1 indi idual no in ol ed in ec ui men and da a collec ion was awa e
o he andom sequences and he 1-le e code. This indi idual elabelled boxes and supple-
men s wi h indi idual s udy IDs, and all la e handling o supplemen s a he 5 s udy si es was
based on s udy ID alone. A en olmen , child en we e gi en a s udy ID by s a wi hou access
o he andom sequences o supplemen s.
Nu i ional in e en ion
All expe imen al supplemen s complied wi h WHO’s echnical no e on supplemen a y oods
o he managemen o MAM [4]. All supplemen s con ained 500 kcal pe daily se ing (120 g
o CSB o 92 g o LNS). The a con en was 11.4–11.7 g pe daily se ing in CSBs and 31.4–
32.1 g pe daily se ing in LNSs. The p o ein con en was 15.9–16.8 g in CSBs and 12.5–13.5 g
in LNSs. All supplemen s had a p o ein diges ibili y—co ec ed amino acid sco e (PDCAAS)
abo e 70%, as ecommended by WHO [4]. The shel li e o he CSBs was 9 mon hs, and o
he LNSs was 2 yea s. The ing edien s in he 12 expe imen al supplemen s a e shown in
Table 1. Soy and mal odex in eplaced milk in milk- ee p oduc s. Mo e mal odex in was
added when SI eplaced DS.
Fig 1. Expe imen al ood supplemen s. The 2 ×2×3 ac o ial design, showing he 12 expe imen al ood
supplemen s based on co n-soy blends o lipid-based nu ien supplemen s, wi h ei he dehulled soy o soy
isola e, and wi h 0%, 20%, o 50% o o al p o ein om milk. Two supplemen s co espond o cu en ly used
p oduc s: “a” (CSB+) and “b” (CSB++). P oduc “i” is simila o Plumpy’Sup, con aining dehulled soy bu wi h
d y skimmed milk ins ead o whey.
h ps://doi.o g/10.1371/jou nal.pmed.1002387.g001
Food supplemen s in mode a e acu e malnu i ion
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The 6 LNSs had simila packaging and ex u e, and he 6 CSBs had simila packaging and
ex u e. LNSs we e p o ided in sache s, each con aining a daily se ing eady o consump ion.
CSBs we e p o ided in bags o 1.7 kg con aining a o nigh ly a ion (120 g/child/day ecom-
mended o be di ided in 3 meals, 40 g/meal) o be cooked wi h wa e and consumed as a po -
idge. Supplemen s we e manu ac u ed by GC Riebe Compac (No way), which was
o he wise no in ol ed in he ial design o in e p e a ion o da a. The same supplie s o he
main aw ma e ial, DS, SI, and milk we e used o bo h he LNSs and CSBs. The inal expe i-
men al supplemen s we e mic obiologically es ed and app o ed o ood sa e y by ce i ied
labs (Compac India, India; TU
¨V SU
¨D, India; Do dogne Labs, F ance).
S udy isi s
Child en we e scheduled o clinic isi s e e y 2 weeks du ing he 12-week supplemen a ion
pe iod. FFM was assessed a en olmen and a e 12 weeks. Clinical s a us and an h opome y
we e assessed a e e y isi , excep leng h, which was measu ed once a mon h. Child en who
missed scheduled isi s we e isi ed by a CHW a hei homes and encou aged o e u n o
ollow-up.
To assess FFM, a dose o 5 g o deu e ium oxide (D
2
O) (99.8%; Camb idge Iso ope Labo a-
o ies, US) dilu ed in 5 g o bo led wa e was weighed wi h 0.01-g p ecision and gi en o ally
a e collec ion o p e-dose sali a samples. Pos -dose sali a samples we e collec ed a e a
3-hou equilib a ion pe iod, as es ablished du ing he pilo s udy [15]. Fo each assessmen ,
D
2
O abundance was measu ed in duplica e in p e- and pos -dose sali a samples and in a
dilu ed sample o each child’s dose, using Fou ie - ans o m in a ed spec ome y (Agilen
Technologies, US) [16] a S . John’s Resea ch Ins i u e, Bangalo e, India. A leas 60 μl o sali a
was equi ed o analysis. Deu e ium dilu ion space was calcula ed as desc ibed p e iously
[17], and con e ed o o al body wa e (TBW) using a ac o o 1.044 o adjus o p o on
exchange. FFM was calcula ed as TBW/hyd a ion, using age- and sex-speci ic hyd a ion coe i-
cien s [18]. Fa mass (FM) was calcula ed as weigh minus FFM. Da a we e cleaned o ypo-
g aphical e o s and implausible TBW alues, based on he associa ion o TBW wi h leng h
and cu o s o FM o <−0.1 ( o accoun o he no mal echnical a iabili y in deu e ium
Table 1. Supplemen composi ion.
Ing edien Supplemen
a b c d e g h i j k l
Co n 55.0 55.0 55.0 55.0 55.0 55.0
Peanu 27.0 27.0 27.0 27.0 27.0 27.0
Suga 9.0 9.0 9.0 9.0 9.0 9.0 27.0 27.0 27.0 27.0 27.0 27.0
Mal odex in 5.6 3.7 0.3 12.55 8.4 2.5 7.8 5.55 1.9 13.47 9.05 2.34
Skimmed milk powde 8.0 20.0 8.0 20.0 8.0 20.0 8.0 20.0
Vege able a 7.9 7.8 7.8 8.0 7.9 7.7 18.0 18.0 18.0 18.0 18.0 18.0
Soy p o ein isola e 11.4 8.1 3.2 8.6 5.5 0.9
Soy lou 19.7 14.0 5.6 15.0 9.5 1.5
Magnesium ci a e 0.5 0.5 0.6 0.85 0.8 0.6 0.2 0.2 0.25 0.33 0.3 0.26
Calcium phospha e 1.4 1.1 0.8 1.5 1.3 0.9 1.95 1.7 1.3 2.1 1.8 1.4
Po assium chlo ide 0.5 0.5 0.5 1.3 1.1 0.7 0.9 0.9 0.9 1.35 1.2 0.95
Vi amin p emix 0.4 0.4 0.4 0.4 0.4 0.4 0.5 0.5 0.5 0.5 0.5 0.5
Emulsi ie 1.65 1.65 1.65 1.65 1.65 1.65
Ing edien s gi en as pe cen age o o al weigh .
h ps://doi.o g/10.1371/jou nal.pmed.1002387. 001
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dilu ion s udies) and >2.4 kg. FFM and FM we e di ided by leng h in me e s squa ed o de i e
indices independen o leng h, i.e., FFM index (FFMI) and FM index (FMI) [19].
Weigh was measu ed in duplica e o he nea es 100 g using elec onic scales (Seca model
881 1021659) wi h double weighing unc ion. Leng h was measu ed in duplica e wi h a
wooden heigh boa d o he nea es 1 mm (sub ac ing a co ec ion ac o o 0.7 cm o chil-
d en eaching an age o >24 mon hs du ing he in e en ion). WHZ was de e mined a he
s udy si es using WHO ield ables, and his alue was used o ec ui men . In la e analysis,
WHZ was ecalcula ed using he package “zsco e06” in STATA 12 (S a aCo p, US). MUAC
was measu ed in duplica e o he nea es 1 mm, a he midpoin be ween he olec anon and
he ac omion p ocess using a s anda d measu ing ape. T iceps skin old was measu ed in
duplica e using a Ha penden callipe . The mean o he duplica e measu emen s was used o
analysis. Knee-heel leng h was measu ed using a digi al callipe (Mi u oyo, Ge many),
moun ed wi h knee and heel caps cas in ha d plas ic [20]. The ins umen has a esolu ion o
0.01 mm. The esul was exp essed as he mean o 5 consecu i e sepa a e measu emen s.
An h opome ic measu emen s we e unde aken by ained s a , a e s anda disa ion
sessions.
A en olmen , a esea ch nu se collec ed da a on demog aphic cha ac e is ics, accina ion
s a us, and 2-week e ospec i e mo bidi y and medical ea men s using a s uc u ed ques-
ionnai e in he local language. All child en ecei ed i amin A supplemen a ion (100,000 IU
i 4–8 kg; 200,000 IU i >8 kg) i hey had no ecei ed any supplemen s in he p e ious 6
mon hs, and albendazole (200 mg i 4–8 kg; 400 mg i >8 kg) and accina ions we e adminis-
e ed acco ding o he na ional schedule a he heal h cen es. Medical ea men was p o ided
based on In eg a ed Managemen o Childhood Illness guidelines. Venous blood was collec ed
om he a m and es ed o Plasmodium alcipa um by apid es (SD Bioline Mala ia Ag P. ;
S anda d Diagnos ics, Ko ea). Se um C- eac i e p o ein was de e mined using a combined
sandwich enzyme-linked immunoso ben assay (Vi Min Lab, Ge many).
Nu i ional eco e y was ca ego ised in o 3 g oups: eco e y a 12 weeks (WHZ −2 and
MUAC 125 mm), MAM (non- esponse) a 12 weeks, o SAM a any poin du ing he in e -
en ion. Child en de eloping SAM we e discon inued om expe imen al supplemen s, ea ed
wi h RUTF, and ans e ed o inpa ien ea men i accompanied by medical complica ions.
Child en who did no eco e a e 12 weeks o supplemen a ion ecei ed 2 weeks o
RUTF. Child en who did no gain weigh du ing his pe iod we e examined by esea ch nu ses
and i necessa y e e ed o hospi al. All child en who had no eco e ed om MAM a e 2
weeks o RUTF supplemen a ion ecei ed i o a u he 2 weeks. Child en who ailed o
eco e a e he o al 4 weeks o RUTF supplemen a ion we e e e ed o hospi al o a mo e
in-dep h clinical examina ion.
Du ing he ial, due o suspec ed con amina ion o 1 ba ch o expe imen al supplemen ,
he comme cially a ailable LNS Plumpy’Sup (Nu ise , F ance) was gi en o some child en.
Ou comes
The p ima y ou come was FFMI inc emen measu ed using he deu e ium dilu ion echnique.
D
2
O en ichmen was de e mined in a single labo a o y, and cleaning o da a was blinded.
O he ou comes included inc emen s in FFM, FM, FMI, weigh , leng h, knee-heel leng h,
MUAC, iceps skin old, and nu i ional eco e y. Se ious ad e se e en s we e no expec ed
om in ake o he ood supplemen s, bu we e de ined as anaphylac ic eac ion and dea h. The
e ec s we e exp essed as LNS compa ed o CSB, SI compa ed o DS, and 20% and 50% milk
p o ein compa ed o 0% milk p o ein.
Food supplemen s in mode a e acu e malnu i ion
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S a is ical analyses
To de ec a 0.6-SD di e ence be ween any 2 combina ions o he 3 ac o s wi h 80% powe
and 5% signi icance, while allowing o 20% loss o ollow-up, we aimed o ec ui in o al
1,608 (= 12 ×134) child en.
Da a we e double-en e ed in EpiDa a 3.1 (Denma k). S a is ical analyses we e ca ied ou
using STATA 12. In he absence o an unsupplemen ed g oup, baseline alues we e eg essed
on age o es ima e a e age age-associa ed weigh and FFM acc e ion o e a pe iod equi alen
o he leng h o he in e en ion. Desc ip i e s a is ics a e p esen ed as mean (SD). Mean
changes in an h opome y and body composi ion a e gi en wi h 95% con idence in e als.
The analysis was based on he in en ion- o- ea (ITT) p inciple using a ailable case da a.
The 2 ×2×3 ac o ial design was analysed using a linea mixed model wi h si e-speci ic an-
dom e ec s. Model educ ion was ca ied ou o educe he 3-way in e ac ion o 2-way in e ac-
ions o main e ec s (using likelihood a io es s). Speci ically, he ull model including he
3-way in e ac ion co esponding o he 2 ×2×3 ac o ial design was compa ed o he model
con aining only he main e ec s o he 3 ac o s; hus, we es ed o any kind o in e ac ion in
he ac o ial layou in one go. Pai wise compa isons o means we e pe o med using model-
based pos hoc es s in he educed models. The e ec s o supplemen a ion a e p esen ed in
e ms o es ima ed means wi h 95% CIs. All analyses included adjus men o baseline measu e
o he ou come [21], age, sex, MUAC, WHZ, and mon h o admission wi h he excep ion o
unadjus ed ITT analyses, which included only baseline measu e o ou come and si e. A pe
p o ocol (PP) analysis, including only child en who comple ed 12 weeks o supplemen a ion
wi h he supplemen o which hey we e o iginally alloca ed, was also conduc ed.
E ec modi ica ion was assessed o season, admission c i e ia, and baseline FFMI, s un -
ing, in lamma ion, and b eas eeding. Model checking was based on esiduals and no mal
p obabili y plo s. Reco e y was e alua ed by means o chi-squa ed es s. A signi icance le el o
0.05 was applied.
Compa ed o he s a is ical plan ou lined in he p o ocol (S1 Tex ), we de ia ed on 2 issues.
Fi s , we adjus ed FFM o leng h by di iding i by leng h in me e s squa ed, i.e., exp essing
FFM acc e ion as an index, o be able o adjus o no only baseline leng h bu also changes in
leng h o e ime. Second, we ini ially planned o adjus o mul iplici y, in case we had o com-
pa e 12 g oups. Howe e , in he educed ac o ial model wi h pai wise compa isons wi hin
ac o s, no mul iplici y adjus men s we e applied.
Resul s
F om Sep embe 9, 2013, o Augus 29, 2014, we assessed 3,398 child en, o whom 1,967 (58%)
had MAM. O hese, 1,613 (82%) child en we e andomised, bu 4 excluded as ineligible.
Hence, a o al o 1,609 child en we e andomised acco ding o he 2 ×2×3 ac o ial design
(Fig 2).
As shown in Table 2, he andomisa ion esul ed in baseline equi alence be ween ca ego ies
o he expe imen al ac o s wi h espec o po en ial con ounde s.
Du ing he in e en ion, 61 (3.8%) child en we e los o ollow-up, lea ing 1,548 (96.2%)
o ITT analyses. Fou child en died and no child de eloped an alle gic eac ion o supple-
men s. The in e en ion was discon inued be o e 12 weeks o 119 child en: 17 child en we e
supplemen ed wi h Plumpy’Sup due o uncon i med suspicion o salmonella con amina ion o
hei expe imen al supplemen , while 102 child en de e io a ing in o SAM we e swi ched o
he apeu ic oods. Thus, he PP analyses included 1,429 (88.8%) child en.
Baseline weigh mean (SD) was 6.91 kg (0.93). Weigh a baseline comp ised 83.5% (5.5)
FFM. We es ima ed, based on eg ession o baseline da a on age, ha weigh would inc ease by
Food supplemen s in mode a e acu e malnu i ion
PLOS Medicine | h ps://doi.o g/10.1371/jou nal.pmed.1002387 Sep embe 11, 2017 8 / 18
Fig 2. T ial p o ile. In all, 3,398 child en we e assessed o eligibili y a he 5 s udy si es, and 1,609 child en we e andomised and
included in he s udy. CSB, co n-soy blend; D20, deu e ium oxide measu emen ; DS, dehulled soy; ITT, in en ion- o- ea ; LNS,
lipid-based nu ien supplemen ; PP, pe p o ocol; PPS/Salmonella, ecei ed Plumpy’Sup due o suspicion o salmonella
con amina ion; PPN/SAM, ecei ed Plumpy’Nu due o se e e acu e malnu i ion; SI, soy isola e.
h ps://doi.o g/10.1371/jou nal.pmed.1002387.g002
Food supplemen s in mode a e acu e malnu i ion
PLOS Medicine | h ps://doi.o g/10.1371/jou nal.pmed.1002387 Sep embe 11, 2017 9 / 18
W i ing – e iew & edi ing: Ch is ian Fabiansen, Cha les W. Yame
´ogo, Ann-Sophie Iuel-
B ockdo , Be na de e Cichon, Ma en J. H. Ry e , Anu a Ku pad, Jona han C. Wells,
Ch is ian Ri z, Pe Asho n, Suzanne Fil eau, And e
´B iend, Susan Shephe d, Vibeke B.
Ch is ensen, Kim F. Michaelsen, Hen ik F iis.
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