satvi, at uct, is playing a leading role in tb vaccine...
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SATVI, at UCT, is playing a leading role in TB vaccine development
Hassan
Mahomed, Willem HanekomCo‐Directors
South African TB Vaccine Initiative (SATVI)University of Cape Townwww.satvi.uct.ac.za
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What is TB?
Tuberculosis is a lung disease caused by a bacterium which is inhaled after an ill person coughs
Only 10% of infected persons develop disease
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South Africa has the 2nd
highest rate of TB in the world
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LP
MPGP
NW
FSKZN
WC
NC
EC
> 900/100 000/year
700 – 899/100 000/year
500 – 699/100 000/year
300 – 499/100 000/year
< 299/100 000/year
Rates of TB in South Africa
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Numbers of TB cases by age in Cape Town in 2002/2003
0
100
200
300
400
500
600
700
800
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
Age
Num
bers
TB cases in Cape Town, 2002
TB affects all ages
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TB is very common in persons whose immunity is weakened
50% of TB patients in South Africa are HIV+TB
inci
denc
e/10
0 pa
tient
yea
rs
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TB treatment is cheap and effective!
Emergence of MDR and XDR TB is a concern
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How can we better control TB?
Better drugs
Better ways of diagnosis
Optimal health care structures
Optimal socio‐economic environment
Better vaccines to prevent all forms of TB
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But we have a TB vaccine, called BCG!
Invented 1908‐1921
Very safe, except in HIV+ babies
Not good at preventing lung TB
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Mission of the South African TB Vaccine Initiative (SATVI)
• Development of new and effective tuberculosis (TB) vaccines. We will obtain this
goal through high quality basic science, clinical and public health research, within an
academic centre of excellence.
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Our clinical site
Our labs and management structures
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SATVI is the leading clinical site for testing new TB vaccines in the world
• Achievements:– >20,000 persons already enrolled in trials– BCG and 4 new TB vaccines tested– First phase IIb trial of a new TB vaccine in 80 years
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Extensive personnel development
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Community involvement
The SATVI Community Advisory Board
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SATVI has achieved world recognition for also addressing other critical questions in TB vaccinology
• Which questions?
• Achievements:– >70 peer‐reviewed publications in high impact
journals
– Competitive, investigator‐driven funding• New R36million grant from Gates Foundation
• New R20million grant from NIH
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Extensive academic training programme at state‐of‐the‐art labs
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SATVI is a national, African and international resource
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We work within large international consortiums
TB Vaccine Sites Network (TBVACSIN)
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Partnerships
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Next steps
It takes time to develop a new TB vaccine. We need to make sure new vaccines are safe, and that they will prevent TB.
A new vaccine is expected between 2016 and 2020.
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What do we need?
We need the support of government and the South African public.
All our funding currently comes from abroad but funding support from within South Africa is essential.