HIV and Subfertility - UK-CAB
Download
Report
Transcript HIV and Subfertility - UK-CAB
HIV & Subfertility
Leila C G Frodsham
Clinical Research Fellow
Assisted Conception Unit
Chelsea and Westminster
Talk to UK-CAB (UK-Community Advisory Board)
25 October, 2002
HIV I-Base:
http://www.I-base.org.uk
Our Team
Leila CG Frodsham
Research Fellow
Bronwen Tamberlin
Sperm washing Coordinator
Carole Gilling-Smith
Consultant Gynaecologist+Director
Assisted Conception Unit
Chelsea and Westminster Hospital
Talk to UK-CAB 25.10.02
Who we treat
HIV positive males
with negative partners
HIV positive females
with negative partners
Couples where both partners are positive
Talk to UK-CAB 25.10.02
What treatments do we offer?
IUI
(intrauterine insemination)
IVF
(in vitro fertilization)
ICSI
(intracytoplasmic sperm injection)
Donor Insemination
Talk to UK-CAB 25.10.02
IUI
In couples with normal/unexplained infertility
Ovulation predicted via ultrasound tracking
Sperm washed
Sperm injected into partners womb
Talk to UK-CAB 25.10.02
Natural cycle IUI/SWP
18mm
Day 8
Day 11
Day 13
Talk to UK-CAB 25.10.02
InVitroFertilization
In subfertile couples
Tubal disease/low sperm count
Superovulation by injection
Follicles tracked by scan
Eggs collected
Talk to UK-CAB 25.10.02
InVitroFertilization
Sperm washed
Sperm and eggs mixed in the lab
Embryos replaced in womb
Talk to UK-CAB 25.10.02
Intracytoplasmic sperm
injection
Very low sperm count
As IVF
Single washed sperm injected into egg
Talk to UK-CAB 25.10.02
Referral to the programmes
We are happy to consider anyone
Talk to UK-CAB 25.10.02
Referral to the programmes
Consider ‘welfare of the child’
Detailed HIV history
Recent viral load and CD4
Drugs and resistance
Sexual health screen
Smear/colposcopy
Intended obstetric care
Talk to UK-CAB 25.10.02
Referral to the programmes
No storage of positive gametes/embryos
Gamete donation on named basis
Couples only will be considered
Talk to UK-CAB 25.10.02
Pre conceptual counselling &
HIV
Stability of relationship
Disease progression / health of infected parent
High risk behaviour (drug abuse, unprotected sex)
Social support
Understand & agree to comply with risk reduction
treatment
Talk to UK-CAB 25.10.02
Welfare of the Child in HIV
+ve
In male partner:
– Transmission of HIV in sperm
In female partner:
– Vertical transmission risk (< 1%)
Use of antiretrovirals
Mode of delivery
Avoidance of breastfeeding
– Effect of antiretrovirals on fetus/child
In both:
– Disease progression / health of infected parent
to UK-CAB 25.10.02
– High risk behaviour (drug abuse, Talk
unprotected
Sperm washing programme
Since April 1999
59 Couples treated
11 babies born
Talk to UK-CAB 25.10.02
Sperm washing-How safe?
sperm
NSC
?
sperm
NSC
seminal fluid
NSC
NSC
NSC
Talk to UK-CAB 25.10.02
Validation of sperm washing
sperm samples from 11 HIV +ve men tested
for:
– HIV RNA viral load
– HIV proviral DNA (latent virus)
– expression of CD4 receptor & HIV co-receptors CCR5
spermatozoa had no:
– HIV RNA
– HIV proviral DNA
– CD4 or CCR5 expression
L Kim et al, AIDS 1999, 13: 645-51
Talk to UK-CAB 25.10.02
sperm washing
semen centrifuged in
density gradient
NASBA check for HIV-1
RNA
(25 HIV-1 copies/106 sperm)
6% risk of positive
NASBA
cancelled cycle
Talk to UK-CAB 25.10.02
Risks of unprotected
intercourse
unprotected timed intercourse
– 1 in 500 risk of infecting partner
series of 92 HIV +ve men /HIV -ve women
carefully timed but unprotected intercourse
4 seroconversions
•2 during pregnancy
•2 postpartum
Mandlebrot et al, Lancet 1997; 349:850-851Talk to UK-CAB 25.10.02
Fertility provision for HIV +ve
males
Initial referral
info pack sent out
1st appointment (GUM)
sexual health screen
Counselling
2 sessions
2nd appointment (ACU)
fertility screen
IVF or ICSI
3rd appointment (ACU)
treatment planned
IUI
Talk to UK-CAB 25.10.02
Pregnancy rates
IUI
36 patients=91 cycles: 20%
pregnancy
IVF
13 patients=19 cycles: 33.3%
pregnancy
ICSI
10 patients=16 cycles: 12.5%
pregnancy
Talk to UK-CAB 25.10.02
Pregnancy monitoring
Pregnancy test
Serial scans from 5+4 weeks
3 monthly HIV tests during antenatal + post
natal periods
Talk to UK-CAB 25.10.02
Female positive programme
Since April 2002
3 women treated
4 pregnancies-1 ongoing
Talk to UK-CAB 25.10.02
HIV-1 +ve women:welfare of the
child
risk of vertical transmission
– cannot ‘wash eggs’
– reduced to < 1% with good obstetric care
effect of antiretrovirals in utero
health / life expectancy of parent
persistent drug abuse in parent
future for child if born HIV positive
Talk to UK-CAB 25.10.02
HIV+ve women and vertical
transmission
equal or greater risks to offspring in:
– older women
trisomy 21 and other chromosome abnormalities
– women with cardiac disease or cystic
fibrosis
– diabetics
– multiple pregnancy
– severe
&JR,
ICSI
HIV and infertility:
timeoligoasthenospermia
to treat. Gilling-Smith C, Smith
Semprini A. BMJ 2001,
322: 567-8
Talk to UK-CAB 25.10.02
Mother to child HIV
transmission
HAART
+
Caesarean Section
+
No Breastfeeding
=
<2% Vertical transmission
Talk to UK-CAB 25.10.02
Mother to child HIV
transmission
Chelsea &Westminster (since 1995)
50 births in HIV +ve women
none of the babies +ve
St Mary’s Paddington (since 1996)
78 births in HIV +ve women
two positive babies (in both cases mother did not comply and take
medication & delivered elsewhere)
Talk to UK-CAB 25.10.02
Antenatal Care
Must be optimal
Joint care from GU Physician
& HIV Specialist Obstetrician
C+W if insufficient locally
Talk to UK-CAB 25.10.02
Fertility provision for HIV positive
females
1st appointment (GUM)
sexual health screen
Preconceptual
counselling
2nd appointment (ACU)
fertility screen
IUI
3rd appointment (ACU)
treatment planned
Sperm
washing
IVF or ICSI
pregnant
Obstetric
monitoring
•HAART
•LSCS
Talk to UK-CAB 25.10.02
•no breast feeding
Female positives
IUI-3 cycles
1 pregnancy; early miscarriage
IVF-5 cycles
3 pregnancies-1 ongoing pregnancy
ICSI-0 cycles
Talk to UK-CAB 25.10.02
Females:when to refer
Provided
Negative partner
regular cycle
no history PID/STD or abdominal surgery
No other known fertility factors
>35 years: 6 months self-insemination
<35 years: 6-12 months self-insemination
Talk to UK-CAB 25.10.02
Couples where both are
positive
Sperm washing required
Extra counselling
3 couples ready for/undergoing treatment
Talk to UK-CAB 25.10.02
CREAThE
Centres for Reproductive Assistance Techniques in
HIV in Europe
7 centres in 6 countries to pool data to assess:
– safety of risk reduction options
– efficacy in relation to fertility factors in this population
– epidemiology
– behavioural and psychosocial aspects
draw up guidelines for counselling and treatment
Talk to UK-CAB 25.10.02
Who to contact
Bronwen Tamberlin /Dr Leila Frodsham
Happy to take any enquiries
Thankyou
Talk to UK-CAB 25.10.02