Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: Diet and Omega-3 Intervention Trial on Atherosclerosis
Brief Summary: The study was actuated to evaluate the effects of a 3-year intervention with diet and/or very long chain omega-3 (VLC n-3 PUFA), in a randomized 2x2 factorial design on the progression of atherosclerosis in a high risk population. A total of 563 elderly men were included and randomized to receive usual care and VLC n-3 placebo capsules (control group), dietary advice and VLC n-3 placebo capsules, usual care and VLC n-3 capsules, and finally both VLC n-3 capsules and dietary advice.

The evaluation of atherosclerosis were i) ultrasound measurement of carotid intima media thickening ii) pulse wave propagation time iii) circulating biomarkers of atherosclerosis.


Options:
A: Arm Label: Placebo; Type: PLACEBO_COMPARATOR; Interventions: Other: Placebo | Arm Label: Multi-nutrient supplement; Type: EXPERIMENTAL; Interventions: Dietary Supplement: Multi-nutrient supplement | Arm Label: Placebo + Behavioral Activation; Type: EXPERIMENTAL; Interventions: Behavioral: Behavioral Activation, Other: Placebo | Arm Label: Multi-nutrient + Behavioral Activation; Type: EXPERIMENTAL; Interventions: Dietary Supplement: Multi-nutrient supplement, Behavioral: Behavioral Activation | Intervention Type: DIETARY_SUPPLEMENT; Name: Multi-nutrient supplement; Assigned to Arm(s): Multi-nutrient + Behavioral Activation, Multi-nutrient supplement | Intervention Type: BEHAVIORAL; Name: Behavioral Activation; Assigned to Arm(s): Multi-nutrient + Behavioral Activation, Placebo + Behavioral Activation | Intervention Type: OTHER; Name: Placebo; Assigned to Arm(s): Placebo, Placebo + Behavioral Activation
B: Arm Label: 1; Type: NO_INTERVENTION; Interventions: N/A | Arm Label: 2; Type: ACTIVE_COMPARATOR; Interventions: Dietary Supplement: Dietary counseling, placebo capsules for omega-3 | Arm Label: 3; Type: ACTIVE_COMPARATOR; Interventions: Dietary Supplement: No dietary counseling and omega-3 capsules | Arm Label: 4; Type: ACTIVE_COMPARATOR; Interventions: Dietary Supplement: Omega-3 capsules and dietary counseling | Intervention Type: DIETARY_SUPPLEMENT; Name: No dietary counseling and omega-3 capsules; Assigned to Arm(s): 3 | Intervention Type: DIETARY_SUPPLEMENT; Name: Omega-3 capsules and dietary counseling; Assigned to Arm(s): 4 | Intervention Type: DIETARY_SUPPLEMENT; Name: Dietary counseling, placebo capsules for omega-3; Assigned to Arm(s): 2
C: Arm Label: OMEGA-3; Type: ACTIVE_COMPARATOR; Interventions: Drug: OMEGA-3 | Arm Label: Placebo; Type: PLACEBO_COMPARATOR; Interventions: Drug: Placebo soybean oil | Intervention Type: DRUG; Name: OMEGA-3; Assigned to Arm(s): OMEGA-3 | Intervention Type: DRUG; Name: Placebo soybean oil; Assigned to Arm(s): Placebo
D: Arm Label: Synbiotic; Type: ACTIVE_COMPARATOR; Interventions: Dietary Supplement: Synbiotic | Arm Label: Maltodextrin; Type: PLACEBO_COMPARATOR; Interventions: Dietary Supplement: Maltodextrin | Intervention Type: DIETARY_SUPPLEMENT; Name: Synbiotic; Assigned to Arm(s): Synbiotic | Intervention Type: DIETARY_SUPPLEMENT; Name: Maltodextrin; Assigned to Arm(s): Maltodextrin

Answer: B