guidelines)for)treatmentof) childhood)pneumonia€¦ · guidelines)for)treatmentof)...
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Guidelines for treatment of
childhood pneumonia
First Global Forum on Bacterial Infec7ons
New Delhi, October 2011
Ambrose Agweyu
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Outline
• Introduc7on to childhood pneumonia
• Pneumonia case management guidelines
• Kenyan Child Health Evidence Week 2010
• Challenges to pneumonia case management
• Severe pneumonia RCT
• Ques7ons
• Summary
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Land area
www.worldmapper.org
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Popula7on
www.worldmapper.org
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Pneumonia deaths
www.worldmapper.org
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Childhood pneumonia
• Pneumonia: The leading cause of death in
children under 5 globally‡
• 98 % of pneumonia deaths occur in children
from low income countries†
‡Black R, Cousens S, Johnson H, et al. Global, regional, and na7onal causes of child mortality in 2008:
a systemic analysis. Lancet. 2010; 375:1969-‐87.
† World Health Organiza7on. World health sta7s7cs 2006. Geneva: World Health Organiza7on; 2006.
h_p://www.who.int/whosis/whostat2006.pdf. Accessed September 6, 2009.
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Strategies to tackle pneumonia
• protect
– Exclusive breasbeeding
– hand washing
– reducing indoor air pollu7on
• Prevent
– Immuniza7on
• Treat
– Case management
– (an$bio$cs and oxygen)
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Strategies to tackle pneumonia
• protect
– Exclusive breasbeeding
– hand washing
– reducing indoor air pollu7on
• Prevent
– Immuniza7on
• Treat
– Case management
– (an$bio$cs and oxygen)
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Strategies to tackle pneumonia
• protect
– Exclusive breasbeeding
– hand washing
– reducing indoor air pollu7on
• Prevent
– Immuniza7on
• Treat
– Case management
(an$bio$cs and oxygen)
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Case management of childhood
pneumonia
Non-‐severe pneumonia
• Outpa7ent
• Oral an7bio7cs
Severe pneumonia
• In-‐pa7ent
• Intravenous an7bio7cs
(single an7bio7c)
Very severe pneumonia
• In-‐pa7ent
• Intravenous an7bio7cs
(combina7on therapy)
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Concerns with current pneumonia
case management guidelines
§ Fundamentally unchanged for over 20 years
§ Developments since then include
§ Vaccines (HiB, PCV)
§ HIV
§ Misdiagnosed pneumonia in pa7ents with wheeze
§ Increasing an7bio7c resistance.
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Child Health Evidence Week 2010
• Evidence on clinical ques7ons
reviewed by team of health
professional
• Mul7-‐disciplinary group of over 60
clinicians, other health workers,
academicians and policy-‐makers.
• Generated recommenda7ons based
on the research evidence and locally-‐
relevant contextual factors.
• Vo7ng was conducted to generate
final recommenda7ons
Ministry of Health
Republic of Kenya.
Basic Paediatric
Protocols
September 2010
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Summary of guideline-‐relevant ques7ons
Popula.on Interven.on Control Outcomes
Children 2 –
59 months
Non-‐severe
pneumonia Amoxicillin Co-‐trimoxazole
Cri$cal
Mortality
Treatment
failure
Important
Cost
Severe
pneumonia
Amoxicillin Benzyl penicillin
Penicillin and
gentamicin
Penicillin
Very
severe
pneumonia
Penicillin and
gentamicin Chloramphenicol
Cekriaxone
Penicillin and
gentamicin
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Summary of guideline-‐relevant ques7ons
Popula.on Interven.on Control Outcomes
Children
2 – 59
months
Non-‐severe
pneumonia Amoxicillin Co-‐trimoxazole
Cri$cal
Mortality
Treatment
failure
Important
Cost
Severe
pneumonia
Amoxicillin
Benzyl
penicillin
Very severe
pneumonia
Penicillin and
gentamicin Chloramphenicol
Cekriaxone
Penicillin and
gentamicin
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Primary Evidence
Atkinson et al
2007
n = 203
Addo Yobo et al
2004
Mul. country
n = 1702
RR 0.83 (0.65-‐1.07)
Hazir et al
2008
Pakistan
n = 2037
RR 0.75 (0.60-‐0.95)
RR 0.97 (0.83-‐ 1.14)
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Children 2-‐59
months with
Severe
pneumonia
Amoxicillin Benzyl
penicillin /
ampicilin
Treatment
failure
Quality assessment
Summary of Evidence Quality
Importance
Studies Design Limit’ns Incons’ Indirect’ Imprec’ Other
Outcome: Risk of treatment failure
Intervention: as a result of treatment with amoxicillin
3 RCT
Indirect evidence
⊕⊕⊕
MODERATE
Critical
Evidence shows both treatments to be equally effec.ve
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Addi7onal factors?
• Painless administra7on
• Absence of risks associated with injectable
treatment
• Twice daily dosing schedule vs four 7mes daily
for benzyl penicillin
• Lower cost (op7on for outpa7ent treatment)
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Should benzyl penicillin should be replaced with
amoxicillin for the treatment severe pneumonia?
0
5
10
15
20
25
30
35
-‐2 -‐1 0 1 2
Strongly
Reject Neither Reject nor
Support
Strongly
Support
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Challenges to managing pneumonia in
low-‐income countries
Evidence Policy Clinical prac7ce
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Challenges to managing pneumonia in
low-‐income countries
Evidence Policy Clinical prac7ce
1. Concerns on generalisability of available
evidence
2. High quality clinical trials are costly and
funding is biased to “priority” diseases
3. Poorly developed /absent surveillance and
health informa7on systems
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Challenges to managing pneumonia in
low-‐income countries
Evidence Policy Clinical prac7ce
1. Technical demands of evidence-‐based
guideline development processes e.g GRADE
2. Weak mechanisms for dissemina7on of
guidelines / updates
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Challenges to managing pneumonia in
low-‐income countries
Evidence Policy Clinical prac7ce
1. Staffing shortages
2. Poor adherence to available guidelines
3. Training gaps (pre-‐service / in-‐service)
4. Frequent commodity stock-‐outs
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Amoxicillin versus benzyl penicillin for
severe childhood pneumonia in
inpa7ents
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Severe pneumonia trial
• Mul7-‐centre (6 Kenyan hospitals)
• Pragma7c randomized controlled non-‐
inferiority trial
• Projected comple7on mid 2012
• 642 par7cipants randomized to amoxicillin
and benzyl penicillin
• Primary outcome: Treatment failure at 48
hours
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Ques.ons
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Summary
• Pneumonia deaths remain unacceptably high despite available preven7on / treatment strategies
• Challenges exist at 3 levels: – Genera7on of quality evidence
– Development, upda7ng and dissemina7on of policies
– Clinical prac7ce
• Needs: – Locally-‐generated quality data
– Adapta7on of guideline development review process
– Investment in training and equipping health workers