Regimen Switch to Dolutegravir + Rilpivirine From Current Antiretroviral Regimen in Human Immunodeficiency Virus Type 1 Infected and Virologically Suppressed Adults (SWORD-2)



Status:Active, not recruiting
Conditions:HIV / AIDS, HIV / AIDS, HIV / AIDS
Therapuetic Areas:Immunology / Infectious Diseases
Healthy:No
Age Range:18 - Any
Updated:11/16/2018
Start Date:April 21, 2015
End Date:August 12, 2021

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A Phase III, Randomized, Multicenter, Parallel-group, Non-inferiority Study Evaluating the Efficacy, Safety, and Tolerability of Switching to Dolutegravir Plus Rilpivirine From Current INI-, NNRTI-, or PI-based Antiretroviral Regimen in HIV-1-infected Adults Who Are Virologically Suppressed

The aim of this study is to determine if virologically suppressed, human immunodeficiency
virus type 1 (HIV-1) infected adults on an antiretroviral regimen (including 2 nucleoside
reverse transcriptase inhibitors [NRTIs] plus a third agent) remain suppressed upon switching
to a two-drug regimen with dolutegravir (DTG) + rilpivirine (RPV). The study will primarily
assess the non-inferiority antiviral activity of switching to DTG + RPV once daily compared
to continuation of current antiretroviral regimen (CAR) up to Week 48 with a switch visit for
eligible subjects in the CAR group to initiate DTG + RPV therapy at Week 52. CAR will include
2 NRTIs plus 1 HIV-1 integrase inhibitor (INI), or 1 non-nucleoside reverse transcriptase
inhibitor (NNRTI), or 1 protease inhibitor (PI). The study will include a 148-week open-label
treatment phase, comprising of an Early Switch Phase (Day 1 to Week 52) and a Late Switch
Phase (Week 52 to Week 148). The participants fulfilling the study eligibility criteria will
participate in the Early Switch Phase where they will either switch from their CAR to DTG +
RPV, or continue taking their CAR, until Week 52. At the end of Early Switch Phase, eligible
participants will proceed to the Late Switch Phase where all participants in both DTG + RPV
and CAR treatment groups will receive DTG + RPV therapy until Week 148. After Week 148,
subjects may be eligible to continue to receive DTG +RPV in the Continuation Phase. The study
is planned to be conducted in approximately 476 participants.


Inclusion Criteria:

- Participants must be able to understand and comply with protocol requirements,
instructions, and restrictions.

- Participants must be likely to complete the study as planned.

- Participants must be considered appropriate candidates for participation in an
investigative clinical trial with oral medication (e.g., no active substance abuse,
acute major organ disease, or planned long-term work assignments out of the country,
etc.).

- HIV-1 infected men or women of >=18 years of age.

- Must be on uninterrupted current regimen (either the initial or second combination
antiretroviral therapy [cART] regimen) for at least 6 months prior to screening; Any
prior switch, defined as a change of a single drug or multiple drugs simultaneously,
must have occurred due to tolerability and/or safety concerns or access to
medications, or convenience/simplification. Acceptable stable cART regimens prior to
screening include 2 NRTIs plus; INI (either the initial or second cART regimen), or an
NNRTI (either the initial or second cART regimen), or a Boosted PI (or atazanavir
unboosted) ( either the initial or second PI-based cART regimen).

- Documented evidence of at least two plasma HIV-1 RNA measurements <50 c/mL in the 12
months prior to Screening: one within the 6 to 12 month window, and one within 6
months prior to Screening;

- Plasma HIV-1 RNA <50 c/mL at Screening;

- A female may be eligible to enter and participate in the study if she is of :
Non-child-bearing potential either defined as post-menopausal (12 months of
spontaneous amenorrhea and >=45 years of age) or physically incapable of becoming
pregnant with documented tubal ligation, hysterectomy or bilateral oophorectomy or
child-bearing potential with a negative pregnancy test at both Screening and Day 1 and
agrees to use one of the following methods of contraception to avoid pregnancy:
Complete abstinence from intercourse from 2 weeks prior to administration of study
drug, throughout the study, and for at least 2 weeks after discontinuation of all
study medications and completion of the Follow-up visit; Any intrauterine device (IUD)
with published data showing that the expected failure rate is <1% per year (not all
IUDs meet this criterion); Male partner sterilization with documentation of
azoospermia prior to the female participant's entry into the study and this male is
the sole partner for that participant. The documentation on male sterility can come
from the site personnel's review of participant's medical records, medical
examination, and/or semen analysis, or medical history interview provided by her or
her partner; Approved hormonal contraception for participants randomly assigned to DTG
+ RPV arm (and for participants randomly assigned to CAR following switch to DTG + RPV
at Week 52) or approved hormonal contraception plus a barrier method for participants
assigned to CAR through Week 52. Approved hormonal contraception includes: Combined
estrogen and progestogen oral contraceptive, Contraceptive subdermal implant,
Injectable progestogen, Contraceptive vaginal ring, Percutaneous contraceptive
patches; Any other method with published data showing that the expected failure rate
is <1% per year. Any contraception method must be used consistently, in accordance
with the approved product label during treatment with study drug and for at least 2
weeks after discontinuation of study drug and completion of the Follow-Up Visit. The
investigator is responsible for ensuring that participants understand how to properly
use these methods of contraception. Periodic abstinence (e.g. calendar, ovulation,
symptothermal, post-ovulation methods) and withdrawal are not acceptable methods of
contraception. Note: these contraceptive requirements do not apply to females of
reproductive potential with same sex partners only, when this is their preferred and
usual lifestyle. All participants participating in the study should be counseled on
safer sexual practices including the use and benefit/risk of effective barrier methods
(e.g., male condom) and on the risk of HIV transmission to an uninfected partner.

- Participants who are willing and able to understand requirements of study
participation and provide signed and dated written informed consent prior to
screening.

- For participants enrolled in France: participants will be eligible for inclusion in
this study only if either affiliated to or a beneficiary of a social security
category.

Exclusion Criteria:

Exclusionary Criteria prior to screening or Day 1:

- Within 6 months prior to Screening and after confirmed suppression to <50 c/mL on
current Antiretroviral therapy (ART regimen), any plasma HIV-1 RNA measurement >=50
c/mL.

- Within the 6 to 12 month window prior to screening and after confirmed suppression to
<50 c/mL, any plasma HIV-1 RNA measurement >200 c/mL.

- Within the 6 to 12 month window prior to screening and after confirmed suppression to
<50 c/mL, 2 or more plasma HIV-1 RNA measurements >=50 c/mL.

- Any drug holiday during the window between initiating first HIV ART and 6 months prior
to screening, except for brief periods (less than 1 month) where all ART was stopped
due to tolerability and/or safety concerns.

- Any switch to a second line regimen, defined as change of a single drug or multiple
drugs simultaneously, due to virologic failure to therapy (defined as a confirmed
plasma HIV-1 RNA measurement >=400 c/mL after initial suppression to <50 c/mL while on
first line HIV therapy regimen).

Exclusionary medical conditions:

- Women who are pregnant, breastfeeding or plan to become pregnant or breastfeed during
the study.

- Any evidence of an active Centers for Disease Control and Prevention Category C
disease. Exceptions include cutaneous Kaposi's sarcoma not requiring systemic therapy
and historic CD4+ lymphocyte counts of <200 cells per cubic millimeter (cells/mm^3).

- Participants with severe hepatic impairment (Class C) as determined by Child-Pugh
Classification.

- Unstable liver disease (as defined by the presence of any of the following: ascites,
encephalopathy, coagulopathy, hypoalbuminemia, oesophageal or gastric varices, or
persistent jaundice), cirrhosis, known biliary abnormalities (with the exception of
Gilbert's syndrome or asymptomatic gallstones).

- Evidence of Hepatitis B virus (HBV) infection based on the results of testing at
Screening for Hepatitis B surface antigen (HBsAg), Hepatitis B core antibody
(anti-HBc), and Hepatitis B surface antibody (HBsAb) as follows: participants positive
for HBsAg are excluded; participants positive for anti-HBc (negative HBsAg status) and
negative for HBsAb are excluded. Note: Participants positive for anti-HBc (negative
HBsAg status) and positive for HBsAb are immune to HBV and are not excluded.

- Participants with an anticipated need for any Hepatitis C virus (HCV) therapy during
the Early Switch Phase and for interferon-based therapy for HCV throughout the entire
study period.

- History or presence of allergy to the study drugs or their components or drugs of
their class;

- Ongoing malignancy other than cutaneous Kaposi's sarcoma, basal cell carcinoma, or
resected, non-invasive cutaneous squamous cell carcinoma, or cervical intraepithelial
neoplasia; other localized malignancies require agreement between the investigator and
the Study medical monitor for inclusion of the participant prior to randomization;

- Participants who in the investigator's judgment pose a significant suicidality risk.
Participant's history of suicidal behavior and/or suicidal ideation should be
considered when evaluating for suicide risk;

- Any pre-existing physical or mental condition which, in the opinion of the
Investigator, may interfere with the participant's ability to comply with the dosing
schedule and/or protocol evaluations or which may compromise the safety of the
participant;

- Any condition which, in the opinion of the Investigator, may interfere with the
absorption, distribution, metabolism or excretion of the study drugs or render the
participant unable to take oral medication;

Exclusionary Treatments prior to Screening or Day 1:

- Use of medications which are associated with Torsades de Pointes.

- Treatment with an HIV-1 immunotherapeutic vaccine within 90 days of Screening.

- Treatment with any of the following agents within 28 days of Screening: radiation
therapy; cytotoxic chemotherapeutic agents; any immunomodulators that alter immune
responses.

- Exposure to an experimental drug or experimental vaccine within either 28 days, 5
half-lives of the test agent, or twice the duration of the biological effect of the
test agent, whichever is longer, prior to Day 1 of this study.

- Participants who are currently participating, or are anticipated to be selected to
participate in any other interventional study, with the exception of the DEXA
sub-study 202094, after randomization (NOTE: Participants who are already enrolled
into another interventional study at time of screening may be eligible after
consultation with the GlaxoSmithKline study team prior to randomization.
Considerations include participant's ability to attend all visits on schedule, and
possible drug and study procedure compatibility).

- A history of use of any regimen consisting of only single NNRTI therapy (even if only
for peri-partum treatment), or only single or dual NRTI therapy prior to starting
cART.

- Current or prior history of etravirine (ETR) use.

- Current use of tipranavir/ritonavir or fosamprenavir/ritonavir.

- Participants receiving any prohibited medication and who are unwilling or unable to
switch to an alternate medication. Note: Any prohibited medications that decrease DTG
or RPV concentrations should be discontinued for a minimum of four weeks or a minimum
of three half-lives (whichever is longer) prior to the first dose and any other
prohibited medications should be discontinued for a minimum of two weeks or a minimum
of three half-lives (whichever is longer) prior to the first dose.

Exclusionary Laboratory Values or Clinical Assessments at Screening:

- Evidence of viral resistance based on the presence of any resistance associated major
PI, INI, NRTI, or NNRTI mutation and integrase (IN) resistance associated substitution
R263K in any available prior resistance genotype assay results. Note: Any prior
genotypic resistance testing is not required but if available it must be provided to
GlaxoSmithKline, after screening and before randomization, to provide direct evidence
of no pre-existing exclusionary resistance mutations. You must wait for the study
virologists to confirm the lack of exclusionary resistance mutations, which will be
provided before the screening window closes.

- Any verified Grade 4 laboratory abnormality, with the exception of Grade 4 lipid
abnormalities. A single repeat test is allowed during the Screening period to verify a
result.

- Any acute laboratory abnormality at Screening, which, in the opinion of the
investigator, would preclude the participant's participation in the study of an
investigational compound.

- Alanine aminotransferase (ALT) >=5 × upper limit of normal (ULN), or ALT >=3 × ULN and
bilirubin >=1.5 × ULN (with >35% direct bilirubin).

- Corrected QT interval (QTc [Bazett]) >450 milliseconds or QTc (Bazett) >480
milliseconds for participants with bundle branch block. The QTc is the QT interval
corrected for heart rate according to Bazett's formula (QTcB).
We found this trial at
17
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Chapel Hill, North Carolina 27599
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Austin, Texas 78705
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Bakersfield, California 93309
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Beverly Hills, California 90211
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Birmingham, Alabama 35249
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Buffalo, New York 14263
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Ciudad de Buenos Aires, Buenos Aires
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Fort Lauderdale, Florida 33308
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Kansas City, Missouri 64128
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Macon, Georgia 31201
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Omaha, Nebraska 68131
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Seattle, Washington 98109
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Southfield, Michigan 48075
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Vero Beach, Florida 32960
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Washington, District of Columbia 20007
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West Palm Beach, Florida 33409
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