Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: Effect of a Mixture of New Probiotic Strains in the Colonization of the Gastrointestinal Tract of Preterm Infants.
Brief Summary: An interventional, randomized, double-blind, placebo-controlled study will be conducted to investigate the effect of a new probiotic strain Lactobacillus PS11603 \& Bifidobacterium PS10402 in premature infants from 28 weeks + 0 days to 30 weeks + 6 days of gestation.

The study duration will be 2 months, which includes 8 weeks product administration. Participants will be randomized assigned to one of the two study groups: the control group with placebo consumption and a probiotic consumption group.


Options:
A: Arm Label: Maltodextrin; Type: PLACEBO_COMPARATOR; Interventions: Dietary Supplement: Probiotic supplementation | Arm Label: Probiotic B lactis/B longum; Type: ACTIVE_COMPARATOR; Interventions: Dietary Supplement: Probiotic supplementation | Arm Label: Probiotic B longum; Type: ACTIVE_COMPARATOR; Interventions: Dietary Supplement: Probiotic supplementation | Arm Label: Probiotic B lactis; Type: ACTIVE_COMPARATOR; Interventions: Dietary Supplement: Probiotic supplementation | Intervention Type: DIETARY_SUPPLEMENT; Name: Probiotic supplementation; Assigned to Arm(s): Maltodextrin, Probiotic B lactis, Probiotic B lactis/B longum, Probiotic B longum
B: Arm Label: Lactobacillus PS11603 & Bifidobacterium PS10402; Type: ACTIVE_COMPARATOR; Interventions: Dietary Supplement: Lactobacillus PS11603 & Bifidobacterium PS10402 | Arm Label: Placebo; Type: ACTIVE_COMPARATOR; Interventions: Dietary Supplement: Placebo | Intervention Type: DIETARY_SUPPLEMENT; Name: Lactobacillus PS11603 & Bifidobacterium PS10402; Assigned to Arm(s): Lactobacillus PS11603 & Bifidobacterium PS10402 | Intervention Type: DIETARY_SUPPLEMENT; Name: Placebo; Assigned to Arm(s): Placebo
C: Arm Label: 1; Type: PLACEBO_COMPARATOR; Interventions: Dietary Supplement: Placebo | Arm Label: 2; Type: EXPERIMENTAL; Interventions: Dietary Supplement: Lactobacillus reuteri | Intervention Type: DIETARY_SUPPLEMENT; Name: Lactobacillus reuteri; Assigned to Arm(s): 2 | Intervention Type: DIETARY_SUPPLEMENT; Name: Placebo; Assigned to Arm(s): 1
D: Arm Label: Probiotics; Type: EXPERIMENTAL; Interventions: Dietary Supplement: Probiotics | Arm Label: Probiotics + Dietary counseling; Type: EXPERIMENTAL; Interventions: Behavioral: Dietary counselling and probiotics | Arm Label: Dietary counseling + placebo; Type: EXPERIMENTAL; Interventions: Behavioral: Dietary counselling and placebo | Arm Label: Prebiotics; Type: EXPERIMENTAL; Interventions: Dietary Supplement: Prebiotics | Arm Label: Placebo; Type: PLACEBO_COMPARATOR; Interventions: Dietary Supplement: Placebo capsules | Arm Label: Control; Type: NO_INTERVENTION; Interventions: N/A | Intervention Type: BEHAVIORAL; Name: Dietary counselling and placebo; Assigned to Arm(s): Dietary counseling + placebo | Intervention Type: BEHAVIORAL; Name: Dietary counselling and probiotics; Assigned to Arm(s): Probiotics + Dietary counseling | Intervention Type: DIETARY_SUPPLEMENT; Name: Placebo capsules; Assigned to Arm(s): Placebo | Intervention Type: DIETARY_SUPPLEMENT; Name: Probiotics; Assigned to Arm(s): Probiotics | Intervention Type: DIETARY_SUPPLEMENT; Name: Prebiotics; Assigned to Arm(s): Prebiotics

Answer: B