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An Adaptive Multi-arm Trial to Improve Clinical Outcomes Among Children Recovering From Complicated SAM (Co-SAM)

Q

Queen Mary University of London

Status and phase

Enrolling
Phase 3

Conditions

Child Malnutrition
HIV
Severe Acute Malnutrition
Comorbidities and Coexisting Conditions

Treatments

Drug: Azithromycin
Behavioral: Educational and behaviour-change modules
Other: Standard Care
Behavioral: Care for Child Development
Dietary Supplement: Reformulated Ready to Use Therapeutic Food
Drug: Rifampicin
Drug: Pyridoxine Hydrochloride
Drug: Isoniazid
Behavioral: The Friendship Bench

Study type

Interventional

Funder types

Other

Identifiers

Details and patient eligibility

About

Malnutrition underlies 45% of child deaths, and has far-reaching educational, economic and health consequences. Severe acute malnutrition (SAM) affects 17 million children globally and is the most life-threatening form of malnutrition. Community-based management of acute malnutrition using ready-to-use therapeutic food (RUTF) has transformed outcomes for children with uncomplicated SAM, but those presenting with poor appetite or medical complications (categorised as having 'complicated' SAM) require hospitalisation. Data show that pneumonia, diarrhoea and malaria are leading causes of death in children with complicated SAM after discharge from hospital. High risk of infectious deaths suggests that sustained antimicrobial interventions may reduce mortality following discharge from hospital. Furthermore, children with complicated SAM respond less well to nutritional rehabilitation, and oftentimes are discharged to a home environment characterised by poverty and multiple caregiver vulnerabilities including depression, low decision making autonomy, lack of social support, gender-restricted family relations, and competing demands on scarce resources. Caregivers have to navigate diverse challenges that impede engagement with clinical care after discharge from hospital. The objective is to address the biological and social determinants of multimorbidity in children with complicated SAM by developing multimodal packages of interventions and testing them in a 5-arm adaptive randomized controlled clinical trial, with death/hospitalization or failed nutritional recovery as the primary outcome.

Full description

This is a 5-arm randomized, unblinded clinical trial comparing:

Arm 1: Standard-of-care (control) Arm 2: Antimicrobial package Arm 3: Reformulated RUTF Arm 4: Psychosocial package Arm 5: Antimicrobial package + reformulated RUTF + psychosocial package

The trial will test the superiority of each intervention arm over the standard of care arm (control). Children in the control arm (and all intervention arms) will receive RUTF for at least 2 weeks and all standard care. The trial is adaptive, meaning i) that each intervention arm will be added as it becomes available, and ii) an interim analysis will enable us to drop arms which are unpromising based on pre-specified criteria. There will be no blinding or placebo, because the very different components in each trial arm make it very challenging to blind. Children with complicated SAM will be screened and enrolled from hospital sites shortly before discharge, and interventions will be started before leaving hospital, and continued for 12 weeks through outpatient visits. Children will be followed at 2, 4, 6, 8, 12 and 24 weeks post-discharge in dedicated study clinics (with additional visits at 1, 3 and 5 weeks for caregiver-child pairs receiving the psychosocial intervention).

The primary outcome is death or hospitalization or failed nutritional recovery by 24 weeks.

The aim is to recruit 1266 children across three countries. The study is not testing new drugs but rather testing a different package of medications (Arms 2 and 5) as compared to current standard care, which the investigator believe will have greater benefit. The RUTF will be a new formula in two of the arms (3 and 5) based on research into what composition will improve health outcomes for children with complicated SAM. This will be a variant on Plumpy'Nut®, a brand that is known and trusted, produced in collaboration with the manufacturers, Nutriset.

The Psychosocial intervention (Arms 4 and 5) will involve three components:

i) The Friendship Bench, which was developed in Zimbabwe as a low-cost psychological intervention utilising problem-solving therapy (delivered by trained lay workers) and peer-to-peer support to address depression and other common mental disorders. There is a strong evidence-base for its use in urban LMIC settings. Peer support groups meet every 1-2 weeks and focus on communal problem solving, and establishing income-generation activities (such as making bags). ii) Care for Child Development is a UNICEF package that helps families build stronger relationships and solve problems in caring for the child at home, through play and communication activities to stimulate children, through a series of age-appropriate interactive modules delivered by a lay worker using 'flash' cards. It has been used in other African contexts and has good acceptability. iii) Educational and behavior-change messages around better nutrition; play for children with SAM; stigma, HIV and gender-based violence; financial planning; causes of SAM; and health-seeking behaviours.

Blood and stool will be collected at baseline, 12 and 24 weeks from all children to explore recovery of underlying pathological processes. At week 2, liver function tests will be undertaken in local laboratories. Samples will also be transported to Kenya and the Netherlands for some assays not available in each country.

Enrollment

1,266 estimated patients

Sex

All

Ages

6 to 59 months old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Age 6-59 months, of either sex
  • Hospitalised with complicated severe acute malnutrition, as per WHO definition
  • Started transition to RUTF
  • Caregiver willing and able to attend the study clinic for all visits
  • Caregiver able and willing to give informed consent

Exclusion criteria

  • Any acute or chronic condition which mean that receipt of one or more study interventions, or participation in the trial, would not be advisable.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

1,266 participants in 5 patient groups

Arm 1: Standard-of-care (control)
Active Comparator group
Description:
Children in the control arm will receive Ready to Use Therapeutic Food (RUTF) for at least 2 weeks, plus all standard care. Children with HIV will receive long-term Cotrimoxazole prophylaxis and antiretroviral therapy, as per current guidelines.
Treatment:
Other: Standard Care
Arm 2: Antimicrobial package
Experimental group
Description:
Children will receive a bundle of azithromycin (3 days every month), isoniazid (daily), rifampicin (daily) and pyridoxine (daily) for 12 weeks.
Treatment:
Drug: Pyridoxine Hydrochloride
Drug: Isoniazid
Drug: Rifampicin
Other: Standard Care
Drug: Azithromycin
Arm 3: Reformulated RUTF
Experimental group
Description:
Children will receive a reformulated RUTF, with increased medium-chain triglycerides (MCTs), higher hydrolysed protein content and a more bioavailable form of selenium (selenium yeast). Children will receive RUTF for at least 2 weeks.
Treatment:
Dietary Supplement: Reformulated Ready to Use Therapeutic Food
Other: Standard Care
Arm 4: Psychosocial package
Experimental group
Description:
Caregiver-child pairs will receive a low-cost, co-designed intervention to strengthen caregiver support, enhance income generation and promote child play. This is delivered over 12 weeks and comprises: i) The Friendship Bench, developed as a low-cost psychological intervention utilising problem-solving therapy (delivered by trained lay workers) and peer-to-peer support to address depression and other common mental disorders. ii) Care for Child Development is a UNICEF package that helps families build stronger relationships and solve problems in caring for the child at home, through play and communication activities in a series of age-appropriate interactive modules delivered by a lay worker using 'flash' cards. iii) Educational and behaviour-change messages around better nutrition; play for children with SAM; stigma, HIV and gender-based violence; financial planning; causes of SAM; and health-seeking behaviours.
Treatment:
Behavioral: The Friendship Bench
Other: Standard Care
Behavioral: Educational and behaviour-change modules
Behavioral: Care for Child Development
Arm 5: Antimicrobial package + reformulated RUTF + psychosocial package
Experimental group
Description:
A combination of all interventions from arms 2, 3 and 4, plus standard care delivered for 12 weeks.
Treatment:
Behavioral: The Friendship Bench
Drug: Pyridoxine Hydrochloride
Drug: Isoniazid
Dietary Supplement: Reformulated Ready to Use Therapeutic Food
Drug: Rifampicin
Other: Standard Care
Behavioral: Educational and behaviour-change modules
Behavioral: Care for Child Development
Drug: Azithromycin

Trial contacts and locations

5

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Central trial contact

Andrew Prendergast, DPhil MRCPCH; Alexander Cowley, Ph.D

Data sourced from clinicaltrials.gov

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