We found no evidence to support short-term or prolonged feeding with a hydrolysed formula compared with exclusive breast feeding for prevention of allergic disease .
Very low- quality evidence indicates that short-term use of an EHF compared with a CMF may prevent infant CMA .
Further trials are recommended before implementation of this practice .We found no evidence to support prolonged feeding with a hydrolysed formula compared with a CMF for prevention of allergic disease in infants unable to be exclusively breast fed
BACKGROUND Infant formulas containing hydrolysed proteins have been widely advocated for preventing allergic disease in infants , in place of st and ard cow 's milk formula ( CMF ) .
However , it is unclear whether the clinical trial evidence supports this .
OBJECTIVES To compare effects on allergic disease when infants are fed a hydrolysed formula versus CMF or human breast milk .
If hydrolysed formulas are effective , to determine what type of hydrolysed formula is most effective , including extensively or partially hydrolysed formula ( EHF/PHF ) .
To determine whether infants at low or high risk of allergic disease , and whether infants receiving early short-term ( first few days after birth ) or prolonged formula feeding benefit from hydrolysed formulas .
Growth in preterm infants fed either a partially hydrolyzed whey or an intact casein/whey preterm infant formula
Objective : To compare feeding tolerance , nutrient intake and growth in preterm infants ( ⩽32 weeks , ⩽1750 g ) fed either a st and ard nonhydrolyzed whey – casein ( nHWC ) or a partially hydrolyzed whey ( pHW ) preterm infant formula .  Study Design : In this double-blind r and omized controlled trial infants were fed either formula for at least 3 weeks . Intake was monitored daily , serum chemistries and growth weekly . Data were analyzed using analysis of covariance . Result : A total of 80 infants were enrolled , 72 completed the study . No differences were noted in demographic characteristics . No differences were detected in feeding tolerance , intakes ( 118±21 vs 119±14 ; nHWC vs pHW ) or growth weight , 28±1.5 vs 28±1.6 g per day ; length , 1.0±0.7 vs 1.0±0.6 cm per week ; head circumference , 0.9±0.4 vs 1.0±0.44 cm per week ) . At the end of study , blood urea nitrogen ( 5.2±3.1 < 6.7±2.3 mg per 100 ml , nHWC < pHW ) , total serum proteins ( 4.7±0.4 > 4.4±0.5 g per 100 ml ) and albumin ( 2.7±0.3 > 2.6±0.4 g per 100 ml ) differed . Conclusion : A pHW preterm infant formula was not associated with improved feeding tolerance , enteral intake or growth but differences in serum chemistries . These are unlikely to be clinical ly relevant because values were well within normal limits for preterm infants , whereas growth was identical in both groups and paralleled that ‘ in utero ’
We found no evidence to support short-term or prolonged feeding with a hydrolysed formula compared with exclusive breast feeding for prevention of allergic disease .
Very low- quality evidence indicates that short-term use of an EHF compared with a CMF may prevent infant CMA .
Further trials are recommended before implementation of this practice .We found no evidence to support prolonged feeding with a hydrolysed formula compared with a CMF for prevention of allergic disease in infants unable to be exclusively breast fed
BACKGROUND Infant formulas containing hydrolysed proteins have been widely advocated for preventing allergic disease in infants , in place of st and ard cow 's milk formula ( CMF ) .
However , it is unclear whether the clinical trial evidence supports this .
OBJECTIVES To compare effects on allergic disease when infants are fed a hydrolysed formula versus CMF or human breast milk .
If hydrolysed formulas are effective , to determine what type of hydrolysed formula is most effective , including extensively or partially hydrolysed formula ( EHF/PHF ) .
To determine whether infants at low or high risk of allergic disease , and whether infants receiving early short-term ( first few days after birth ) or prolonged formula feeding benefit from hydrolysed formulas .