B8-082 PrEP Flashcards
oral medications approved for PrEP [2]
truvada
descovy
(daily)
IM medication approved for PrEP [1]
apretude
(once every 2 months; very difficult to get approved though)
oral PrEP med that is less toxic to bones and kidneys
descovy
(prodrug, spends more time in cells less in plasma)
descovy can be used with a CrCl of […]
truvada requires a CrCl of […]
descovy: 30 (prodrug, less toxic)
truvada: 60
[truvada/descovy] is associated with weight gain
descovy
[truvada/descovy] approved for all patients 13+
turvada
[truvada/descovy] only approved for males as assigned at birth
descovy
[truvada/descovy/apretude]
less expensive, more likely to be approved by insurace
truvada
[truvada/descovy/apretude]
smaller pill
descovy
[truvada/descovy/apretude]
better kidney/bone health over long term use
descovy
[truvada/descovy/apretude]
lower risk of weight gain
truvada
[truvada/descovy/apretude]
decreases pill burden
apretude (IM)
[truvada/descovy/apretude]
higher efficacy
apretude
(trial over truvada was stopped early due to effectiveness, but hard to get insurance to approve)
[truvada/descovy/apretude]
least impact of bone/renal disease
apretude
only medication option for ciswomen/transmen if apretude is not approved
truvada
appropriate for younger, healthy individuals at low risk of renal/bone disease
truvada
[truvada/descovy]
best for individuals at risk or have underlying renal/bone disease
descovy
best choice for individuals with significant renal impairment or osteoporosis
apretude
contraindications for prescribing PrEP [3]
HIV +
HIV exposure <72 hours (PEP instead)
renal disease
cautions for prescribing PrEP [5]
recent viral syndrome (test for HIV)
Hep B infection
kidney disease
osteoporosis
pregnancy/breastfeeding (can have PrEP if risk of HIV is high)
5 Ps of taking a sexual history
Partners
Practices
Past History of STIs
Protection of STIs
Pregnancy intention
PrEP requires […] days to be effective for anal sex and […] days to be effective for vaginal sex
PrEP requires [7] days to be effective for anal sex and [20] days to be effective for vaginal sex
HBsAg –
HBsAb –
HBcAb –
not immune, not protected
(need vaccine)
HBsAg –
HBsAb +
HBcAb +
previous infection
protected, no vaccine needed
HBsAg –
HBsAb +
HBcAb –
previously vaccinated
HBsAg +
HBsAb –
HBcAb +
infected
HBsAg –
HBsAb –
HBcAb +
past exposure, not immune
more testing is needed
patients receiving PrEP should follow up every […] months
3
(to ensure HIV - status continues)
approximately when after exposure would you expect a patient to have a positive HIV result?
(assume 4th gen test, he said that’s what KU uses)
15-20 days
best PrEP for individuals having less frequent sex and those who can anticipate having sex
only indicated for patients engaging in anal sex
on demand PrEP (2-1-1)
(two pills 24 hrs prior, 1 pill every 24 hrs after)
an HIV+ individual with undetectable viral load [can/cannot] transmit the virus to others
cannot
U=U
in order to qualify for U=U, viral load must remain undetectable for […] months and continue to be sustained by daily medication
6
(important to ensure partner is undetectable and correctly taking medications)
PrEP is […]% effective for sexual contact and […]% effective for injection drug use
PrEP is [99]% effective for sexual contact and [74]% effective for injection drug use
[…] is rarely a barrier to PrEP
cost
descovy is currently only approved for what gender?
cismen
transwomen
(people assigned male sex at birth; limited due to current study data)
approved for all individuals over 13 [2]
truvada
apretude
can be used at any creatinine clearance
apretude
can only be used if CrCl is over 60
truvada
approved if CrCl is over 30
descovy
initial labs to get before starting PrEP [7]
HIV
Hep B
Hep C
CMP
Syphilis
GC/CT
pregnancy test
HBsAg positive signals
infection
HBsAb positive signals
immunity (previous infection or vaccination)
HBcAb positive signals
previous exposure
(could be vaccinate or infection)
patients should be seen for follow up […] after starting PrEP
3 months
follow up labs after initiating PrEP
HIV
GC/CT, syphilis if new risk
BMP (can space to 6 months after initial 3 month is normal)
PEP must be started within […] of exposure
72 hrs
IV drug use [is/is not] an indication for PrEP
is
if the Hep B results come back positive, can the patient still start PrEP?
yes
truvada and descovy actually treat Hep B
options for PrEP for a cisfemale with low CrCl
apretude
can consider off label use of descovy if insurance does not approve
indications for PEP [2]
known HIV exposure
unknown exposure with high risk factors
truvada + dolutegravir for 4 weeks is
PEP
(can transition to PrEP after)
should PrEP be delayed if the STI results come back positive?
no
does PrEP interact with any form of birth control?
no
is PrEP safe in pregnant/breastfeeding mothers?
yes
does PrEP protect against HPV?
no
best protection from HPV is vaccination and condom use
trudava can be used with a CrCl greater than
60
descovy can be used with a CrCl greater than
30
what is the window period for a 4th gen IgM and IgG Ab and p24Ag test?
15-20 days
what is the window period for an HIV viral load?
10-15 days
a positive Hep B core Ab indicates
previous exposure
a positive Hep B surface Ag indicates
infection is present
components of “Ending the HIV Epidemic: A Plan for America”?
Diagnose as early as possible
Treat rapidly
Prevent new transmissions
Respond quickly to outbreaks
people in mutually monogamous relationships with an HIV negative partner [are/are not] good candidates for PrEP
are not
(unless they ask to be treated)