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| Name | Class |
|---|---|
| Humana Co.Ltd. | INDUSTRY |
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This study aimed to evaluate the tolerance and safety of a low-protein formula in healthy full-term infants by investigating effects on growth and gastrointestinal tolerance and by identifying any adverse effects.
Infants were randomized to receive either a standard protein formula or a low-protein formula. The composition of the low-protein formula vs the standard formula was: energy (65 vs. 68 kcal/100 mL), protein (1.2 vs. 1.7 g/100 mL).
To investigate the safety of the low-protein formula without any bias, a 4-month intervention period was selected during which the infants were fed only formula.
Anthropometric parameters (weight, length, and head circumference) and body composition were assessed at enrollment, at 2 and 4 months' of age. Parents were asked to keep a diary on the occurrence of gastrointestinal symptoms or any other symptoms and were contacted every two weeks either by clinic visits or phone calls.
The reference group was constituted by a cohort of healthy, exclusively breastfed, full-term infants.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Low protein formula group | Experimental | Full term healthy infants randomized to receive a low protein formula for the first 4 months of life |
|
| Standard protein formula group | Active Comparator | Full term healthy infants randomized to receive a standard protein formula for the first 4 months of life |
|
| Breastfeeding group | No Intervention | Breastfed full term healthy infants |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Low protein formula | Dietary Supplement | Infants were enrolled to receive low protein formula (energy: 65 kcal/100 mL, protein: 1.2 g/100 mL, protein-to-energy ratio:1.9 g/100 kcal, carbohydrates: 8 g/100 mL, fat: 3.1 g/100 mL) for the firsts 4 months of life. |
| Measure | Description | Time Frame |
|---|---|---|
| Evaluate weight | Weight (g) of each baby was measured on an electronic scale accurate to 0.1 g (PEA POD Infant Body Composition System; Cosmed, Concord, CA, US). Body length was measured to the nearest 1 mm on a Harpenden neonatometer (Holtain, Crymych, UK). | enrollment, 2 months and 4 months |
| Evaluate lenght | Lenght (cm) of each baby was measured according standard procedures. | enrollment 2 months and 4 months |
| Evaluate head circumference | Head circumference was measured to the nearest 1 mm using non-stretch measuring tape. | enrollment 2 months and 4 months |
| Evaluate body composition (fat mass and fat free mass) | Body composition [fat mass and fat free mass (g)]was assessed using an air-displacement plethysmography (PEA POD Infant Body Composition System; COSMED, Italy). | enrollment, 2 months and 4 months |
| Evaluate weight increase | Weight increase (g/day) was calculated as a change in body weight from weight at study enrollment divided by the time interval from enrolment to the assessment at 4 months Fat mass (g/day) and fat free mass (g/day) increases were also calculated. | 2 months, 4 months |
| Evaluate gastrointestinal tolerance | Parents were asked to keep a diary on the occurrence of gastrointestinal symptoms or any other symptoms and were contacted every two weeks either by clinic visits or phone calls. The occurrence of spitting up, vomiting and colic, defined as intermittent attacks of abdominal pain when the baby screamed and drew up his/her legs but was well between episodes, was recorded. Colic was further classified as severe if the episodes were more than twice per day. Daily frequency of stool passage was also collected. |
| Measure | Description | Time Frame |
|---|---|---|
| Evaluate body mass index (k/m2: weight/length2) | Body mass index [BMI: (Kg/m2)] was assessed for all infants enrolled at each study points. | enrollment, 2 months and 4 months |
| Evaluate z-score |
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Inclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Paola Roggero, MD | NICU. Fondazione IRCCS CÃ Granda Ospedale Maggiore Policlinico Milano, Milan, Italy, 20122 | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| NICU, Fondazione IRCCS CÃ Granda Ospedale Maggiore Policlinico Milan | Milan | 20122 | Italy |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 29439736 | Derived | Liotto N, Orsi A, Menis C, Piemontese P, Morlacchi L, Condello CC, Gianni ML, Roggero P, Mosca F. Clinical evaluation of two different protein content formulas fed to full-term healthy infants: a randomized controlled trial. BMC Pediatr. 2018 Feb 13;18(1):59. doi: 10.1186/s12887-018-1046-6. |
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| ID | Term |
|---|---|
| D007228 | Infant Nutrition Disorders |
| ID | Term |
|---|---|
| D009748 | Nutrition Disorders |
| D009750 | Nutritional and Metabolic Diseases |
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Anthropometric and body composition measurements were performed by three medical investigators who were blinded to allocated treatment.
| Standard protein formula | Dietary Supplement | Infants were enrolled to receive standard protein formula (energy: 68 kcal/100 mL, protein: 1.7 g/100 mL, protein-to-energy ratio:2.5 g/100 kcal, carbohydrates: 7.1 g/100 mL, fat: 3.5 g/100 mL) for the firsts 4 months of life. |
|
| 2 months and 4 months |
| Evaluate occurence of adverse events | Adverse events were assessed based on inquires to the parents and on their daily records. | 2 months and 4 months |
Z-scores values for age were then calculated using the z score calculator provided by WHO [WHO Anthro (version 3.2.2, January 2011)].
| enrollment, 2 months and 4 months |