In this study, the dolutegravir/abacavir/lamivudine (DTG/ABC/3TC) fixed dose combination (FDC) tablet is being made available to women who become pregnant while participating in study ING117172. Continuation of antiretroviral therapy (ART) is key to both mother and the unborn fetus in order to maintain virologic suppression in the mother (thereby decreasing the risk for maternal disease progression), but also to reduce the risk of maternal-fetal transmission of human immunodeficiency virus type 1 (HIV-1) to her unborn child. This study also offers the first opportunity to investigate the impact of pregnancy on DTG pharmacokinetics (PK). This is an open-label, single arm interventional study. The number of women that will be enrolled into this study cannot be established a priori, as unintended pregnancies cannot be determined in advance. The maximum number of women would include all of those women randomized to DTG/ABC/3TC FDC (approximately 237), though unintended pregnancies in all of these women would not be anticipated.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
4
The DTG 50 mg /ABC 600 mg /3TC 300 mg FDC tablet is a purple, oval, biconvex tablets. The tablet contains 52.6 mg DTG sodium which is equivalent to 50 mg DTG free acid, 702 mg ABC sulphate which is equivalent to 600 mg ABC and 300 mg 3TC.
GSK Investigational Site
Oryol, Russia
GSK Investigational Site
Saint Petersburg, Russia
GSK Investigational Site
Madrid, Spain
Area Under the Plasma Concentration Time Curve at Steady State During a Dosing Interval (AUC [0-tau]) for Dolutegravir
Blood samples were collected at indicated timepoints for Pharmacokinetic (PK) analysis of dolutegravir at Trimester 2 (Weeks 18-26 of pregnancy), Trimester 3 (Weeks 30-36 of pregnancy) and at 8-12 Weeks postpartum.
Time frame: Pre-dose and at 1, 2, 3, 4, 6, 8, 12, 24 hours post-dose at Trimester 2 (Weeks 18-26 of pregnancy), Trimester 3 (Weeks 30-36 of pregnancy) and at 8-12 Weeks postpartum
Maximum Observed Plasma Concentration (Cmax) for Dolutegravir
Blood samples were collected at indicated timepoints for PK analysis of dolutegravir at Trimester 2 (Weeks 18-26 of pregnancy), Trimester 3 (Weeks 30-36 of pregnancy) and at 8-12 Weeks postpartum.
Time frame: Pre-dose and at 1, 2, 3, 4, 6, 8, 12, 24 hours post-dose at Trimester 2 (Weeks 18-26 of pregnancy), Trimester 3 (Weeks 30-36 of pregnancy) and at 8-12 Weeks postpartum
Drug Concentration at the End of Dosing Interval (Ctau) for Dolutegravir
Blood samples were collected at indicated timepoints for PK analysis of dolutegravir at Trimester 2 (Weeks 18-26 of pregnancy), Trimester 3 (Weeks 30-36 of pregnancy) and at 8-12 Weeks postpartum.
Time frame: 24 hours post dose at Trimester 2 (Weeks 18-26 of pregnancy), Trimester 3 (Weeks 30-36 of pregnancy) and at 8-12 Weeks postpartum
Apparent Oral Clearance (CL/F) for Dolutegravir
Blood samples were collected at indicated timepoints for PK analysis of dolutegravir at Trimester 2 (Weeks 18-26 of pregnancy), Trimester 3 (Weeks 30-36 of pregnancy) and at 8-12 Weeks postpartum.
Time frame: Pre-dose and at 1, 2, 3, 4, 6, 8, 12, 24 hours post-dose at Trimester 2 (Weeks 18-26 of pregnancy), Trimester 3 (Weeks 30-36 of pregnancy) and at 8-12 Weeks postpartum
Steady State Volume of Distribution (Vss/F) After Extravascular Administration for Dolutegravir
Blood samples were collected at indicated timepoints for PK analysis of dolutegravir at Trimester 2 (Weeks 18-26 of pregnancy), Trimester 3 (Weeks 30-36 of pregnancy) and at 8-12 Weeks postpartum.
Time frame: Pre-dose and at 1, 2, 3, 4, 6, 8, 12, 24 hours post-dose at Trimester 2 (Weeks 18-26 of pregnancy), Trimester 3 (Weeks 30-36 of pregnancy) and at 8-12 Weeks postpartum
Half-life (T1/2) for Dolutegravir
Blood samples were collected at indicated timepoints for PK analysis of dolutegravir at Trimester 2 (Weeks 18-26 of pregnancy), Trimester 3 (Weeks 30-36 of pregnancy) and at 8-12 Weeks postpartum.
Time frame: Pre-dose and at 1, 2, 3, 4, 6, 8, 12, 24 hours post-dose at Trimester 2 (Weeks 18-26 of pregnancy), Trimester 3 (Weeks 30-36 of pregnancy) and at 8-12 Weeks postpartum
Number of Participants (Pregnant Women) With Maximum Severity of Post-Baseline Emergent Hematology Toxicities: Hemoglobin
Blood samples were collected for analysis of hemoglobin. Any abnormality was graded according to Division of Acquired Immunodeficiency Syndrome (DAIDS) toxicity scales from Grade 1 to 4 (1=Mild, 2=Moderate, 3=Severe, 4=Potentially life threatening). Number of participants (Pregnant Women) with maximum severity of post-Baseline emergent toxicities with respect to hemoglobin has been presented.
Time frame: Up to Week 32 of study
Absolute Values of the Chemistry Parameters: Alanine Aminotransferase (ALT) and Aspartate Aminotransferase (AST)
Blood samples were collected for the analysis of chemistry parameters including ALT and AST.
Time frame: At Baseline (Day 1), Week 4, Week 8, Week 12, Week 16, Week 20, Week 24 and Week 32 of study
Change From Baseline in Chemistry Parameters: ALT and AST
Blood samples were collected for the analysis of chemistry parameters including ALT and AST. Baseline value (Day 1) is the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline is defined as post-dose visit value minus Baseline value.
Time frame: Baseline and at Week 4, Week 8, Week 12, Week 16, Week 20, Week 24 and Week 32 of study
Absolute Values of the Chemistry Parameters: Bilirubin and Creatinine
Blood samples were collected for the analysis of chemistry parameters including Bilirubin and Creatinine.
Time frame: At Baseline (Day 1), Week 4, Week 8, Week 12, Week 16, Week 20, Week 24 and Week 32 of study
Change From Baseline in Chemistry Parameters: Bilirubin and Creatinine
Blood samples were collected for the analysis of chemistry parameters including Bilirubin and Creatinine. Baseline value (Day 1) is the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline is defined as post-dose visit value minus Baseline value.
Time frame: Baseline and at Week 4, Week 8, Week 12, Week 16, Week 20, Week 24 and Week 32 of study
Absolute Values of the Hematology Parameters: Hemoglobin
Blood samples were collected for the analysis of hematology parameters including hemoglobin.
Time frame: At Baseline (Day 1), Week 4, Week 8, Week 12, Week 16, Week 20, Week 24 and Week 32 of study
Change From Baseline in Hematology Parameters: Hemoglobin
Blood samples were collected for the analysis of hematology parameters including hemoglobin. Baseline value (Day 1) is the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline is defined as post-dose visit value minus Baseline value.
Time frame: Baseline and at Week 4, Week 8, Week 12, Week 16, Week 20, Week 24 and Week 32 of study
Absolute Values of the Hematology Parameters: Leukocytes and Platelets
Blood samples were collected for the analysis of hematology parameters including leukocytes and platelets.
Time frame: At Baseline (Day 1), Week 4, Week 8, Week 12, Week 16, Week 20, Week 24 and Week 32 of study
Change From Baseline in Hematology Parameters: Leukocytes and Platelets
Blood samples were collected for the analysis of hematology parameters including leukocytes and platelets. Baseline value (Day 1) is the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline is defined as post-dose visit value minus Baseline value.
Time frame: Baseline and at Week 4, Week 8, Week 12, Week 16, Week 20, Week 24 and Week 32 of study
Number of Participants (Pregnant Women) Who Discontinued the Treatment Due to Adverse Events (AE)
An AE is any untoward medical occurrence in a participant or clinical investigation participant, temporally associated with the use of a study treatment. Number of participants (pregnant women) who discontinued the treatment due to adverse events have been presented.
Time frame: Up to Week 292
Number of Participants (Pregnant Women) Demonstrated Congenital Malformations
Data for participants (pregnant women) demonstrated congenital malformations was reported.
Time frame: At delivery (up to Week 40 of pregnancy)
Number of Participants (Pregnant Women) With Adverse Events (AE) as Per Severity Grades
Number of participants (pregnant women) with adverse events (AE) as per severity grades were presented. Grade 1 is mild, grade 2 is moderate, grade 3 is severe or medically significant but not immediately life-threatening and grade 4 is life-threatening consequences; urgent intervention required.
Time frame: Up to 292 Weeks
Time to Cmax (Tmax) for Dolutegravir
Blood samples were collected at indicated timepoints for PK analysis of dolutegravir at Trimester 2 (Weeks 18-26 of pregnancy), Trimester 3 (Weeks 30-36 of pregnancy) and at 8-12 Weeks postpartum.
Time frame: Pre-dose and at 1, 2, 3, 4, 6, 8, 12, 24 hours post-dose at Trimester 2 (Weeks 18-26 of pregnancy), Trimester 3 (Weeks 30-36 of pregnancy) and at 8-12 Weeks postpartum
Pre-dose Plasma Concentration (C0) for Dolutegravir
Blood samples were collected at indicated timepoints for PK analysis of dolutegravir at Trimester 2 (Weeks 18-26 of pregnancy), Trimester 3 (Weeks 30-36 of pregnancy) and at 8-12 Weeks postpartum.
Time frame: Pre-dose at Trimester 2 (Weeks 18-26 of pregnancy), Trimester 3 (Weeks 30-36 of pregnancy) and at 8-12 Weeks postpartum
Unbound DTG Concentrations in Plasma at 3 and 24 Hours Post Dose of Dolutegravir
Blood samples were collected at indicated timepoints for PK analysis of dolutegravir at Trimester 2 (Weeks 18-26 of pregnancy), Trimester 3 (Weeks 30-36 of pregnancy) and at 8-12 Weeks postpartum.
Time frame: At 3 hours and 24 hours post dose in Trimester 2 (Weeks 18-26 of pregnancy), Trimester 3 (Weeks 30-36 of pregnancy) and at 8-12 Weeks postpartum
Total DTG Concentrations in Plasma From Cord Blood and Maternal Blood at the Time of Delivery
Blood samples were collected at the time of delivery for PK analysis of dolutegravir.
Time frame: At delivery (up to Week 40 of pregnancy)
Number of Participants (Pregnant Women) With Treatment-emergent Genotypic and/or Phenotypic Resistance Who Met Confirmed Virologic Withdrawal Criteria
Number of participants (pregnant women) with treatment-emergent genotypic and/or phenotypic resistance who met confirmed virologic withdrawal criteria are presented. Genotypic and phenotypic analyses were carried out by Monogram Biosciences using, but not limited to, their Standard Phenosense and GenoSure testing methods for protease (PRO) and reverse transcriptase (RT), or with their GeneSeq Integrase and PhenoSense Integrase assays.
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Time frame: Up to Week 32 of study
Number of Participants (Pregnant Women) With Live Birth Outcome Categories
Participants (pregnant women) with following live birth outcome categories are reported- Vaginal Birth, Planned Caesarean Section, Unscheduled Caesarean Section and Preterm Delivery.
Time frame: At delivery (up to Week 40 of pregnancy)
Gestational Age of Infants
Gestational age is defined as the number of weeks between the first day of the mother's last normal menstrual period and the day of birth. Data for gestational age of infants has been presented.
Time frame: At birth
Neonatal Length and Head Circumference at Birth
Data for neonatal length and head circumference at birth are reported.
Time frame: At birth
Neonatal Weight at Birth
Data for neonatal weight at birth has been reported.
Time frame: At birth
Number of Infants by Their Weight Categories at Birth
Weight of infants at birth were categorized as: Small for Gestational Age (SGA) defined neonates under the 10th percentile in weight, Appropriate for Gestational Age (AGA) characterized neonates between the 10th and 90th percentiles in weight and Large for Gestational Age (LGA) referred to neonates over the 90th percentile in weight.
Time frame: At birth
Number of Infants by Appearance, Pulse, Grimace, Activity, and Respiration (APGAR) Score at 1 and 5 Minutes After Birth
APGAR is a quick test to assess the health of new born. The test is performed at 1 and 5 minutes after birth. APGAR scale is determined by evaluating the new born on five categories (appearance, pulse, grimace, activity and respiration) on a scale from zero to two with 2 being the best score, then summing up the values obtained from all five categories. APGAR score ranges from 0 to 10 (Higher score indicates better health) where a score of 7 and above is normal. Number of infants by APGAR score at 1 and 5 minutes after birth are presented.
Time frame: 1 and 5 minutes after birth
Percentage of Participants (Pregnant Women) With Plasma Human Immunodeficiency Virus Type 1 (HIV-1) Ribonucleic Acid (RNA) <50 Copies/Milliliter (c/mL) by Visit
Percentage of participants (pregnant women) with plasma HIV-1 RNA \<50 c/mL are presented. Plasma samples were collected for quantitative analysis of HIV-1 RNA.
Time frame: At Week 4, Week 8, Week 12, Week 16, Week 20, Week 24, Week 28 and Week 32 of study
Percentage of Participants (Pregnant Women) With Plasma HIV-1 RNA <400 c/mL by Visit
Percentage of participants (pregnant women) with plasma HIV-1 RNA \<400 c/mL are presented. Plasma samples were collected for quantitative analysis of HIV-1 RNA.
Time frame: At Week 4, Week 8, Week 12, Week 16, Week 20, Week 24, Week 28 and Week 32 of study
Absolute Values of Cluster of Differentiation 4 (CD4+) T Cell Counts by Visit
Blood samples were collected for the analysis of CD4+ T cell counts using cytometry.
Time frame: At Baseline (Day 1), Week 4, Week 8, Week 12, Week 16, Week 20, Week 24, Week 28 and Week 32 of study
Change From Baseline in CD4+ T Cell Counts by Visit
Blood samples were collected for the analysis of CD4+ T cell counts using cytometry. Baseline value (Day 1) is the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline is defined as post-dose visit value minus Baseline value.
Time frame: Baseline and at Week 4, Week 8, Week 12, Week 16, Week 20, Week 24, Week 28 and Week 32 of study
Number of Participants (Pregnant Women) With Disease Progression
Disease progression included HIV-associated conditions, acquired immunodeficiency syndrome (AIDS) and death. Number of participants (pregnant women) with disease progression to Centers for Disease Control and Prevention (CDC) class C or death have been presented.
Time frame: Up to Week 32 of study