Dolutegravir Study in HIV-1 Participants Completing IMPAACT Studies P1093 and P2019

  • STATUS
    Recruiting
  • End date
    Sep 30, 2024
  • participants needed
    300
  • sponsor
    ViiV Healthcare
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Updated on 11 July 2022
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immunodeficiency
reverse transcriptase inhibitor
dolutegravir
integrase inhibitors
lamivudine
HIV Vaccine
abacavir
antiviral drugs
hiv-1 rna measurement

Summary

Dolutegravir is a potent integrase strand transfer inhibitor. Abacavir/dolutegravir/lamivudine (ABC/DTG/3TC) is a fixed dose combination regimen containing two nucleoside reverse transcriptase inhibitors and dolutegravir. This is a phase 3b, non-randomized, open-label, multi-center, two treatment rollover study. The primary objective of this pediatric interventional study is to provide continued access to age appropriate formulations of investigational product (dolutegravir), either as Tivicay or as part of fixed dose combination ABC/DTG/3TC, for eligible participants who previously participated in parent studies P1093 (NCT01302847) or P2019 (NCT03760458) and who cannot locally access age appropriate formulations of dolutegravir or ABC/DTG/3TC in the public sector. The P1093 study was designed to evaluate the pharmacokinetics (PK), safety, tolerability and antiviral activity of dolutegravir in combination with optimized background regimens in human immunodeficiency virus type 1 (HIV-1) experienced adolescents and children as well as treatment naïve infants and toddlers. The P2019 study was designed to evaluate PK, safety, tolerability and antiviral activity of ABC/DTG/3TC dispersible and immediate release tablets in HIV-1-infected children. Participants who have tolerated investigational product in the parent studies without any significant toxicity or signs of virologic failure leading to the permanent discontinuation of investigational product and withdrawal from the parent study will be considered for this open label continued access study. Participants will receive their age/weight appropriate dose of investigational product as defined in the parent study. The duration of participation in the study will extend until age appropriate formulations of Tivicay or ABC/DTG/3TC receive local (by country) regulatory approval and are available in those countries from another source (e.g. government programs, aid programs, assistance programs, etc.) or the participant is no longer deriving benefit from treatment or meets a protocol defined reason for discontinuation. Participants will be enrolled after all screening procedures have been completed. In most cases, the Screening visit will overlap with the participants penultimate visit on the parent study (at Week 180 of P1093, or Week 36 of the P2019 study). Participants who meet all entry criteria may enroll and will be seen in the clinic every 12 weeks for a safety evaluation and to receive investigational product. It is estimated that no more than 300 participants will be enrolled in this study. Tivicay is a registered trademark of ViiV Healthcare.

Details
Condition HIV Infections
Treatment Dolutegravir film-coated tablets, Dolutegravir film-coated dispersible tablets, ABC/DTG/3TC immediate release tablets, ABC/DTG/3TC film-coated dispersible tablets
Clinical Study IdentifierNCT03016533
SponsorViiV Healthcare
Last Modified on11 July 2022

Eligibility

 Yes No Not Sure

Inclusion Criteria

Participant must have completed participation in one of the following parent studies, for the duration noted, with continued benefit from investigational product: a. P1093 parent study through at least Week 180; b. P2019 parent study through at least Week 48\. Participant with evidence of Virological Failure in either parent study must have eligibility for this rollover study discussed and agreed with the ViiV Healthcare Medical Monitor
Virological control: a. Participants in parent study P1093 must have virological control defined as HIV-1 ribonucleic acid (RNA) <400 copies per milliliter (c/mL) at their penultimate visit (on or after the Week 180 visit); b. Participants in parent study P2019 must have virological control defined as HIV-1 RNA <200 c/mL at their penultimate visit (on or after Week 36)
Males and Females: All participants who are engaging in sexual activity should be counseled on safer sexual practices including the use and benefit/risk of effective barrier methods (example [e.g.] male condom) and on the risk of HIV transmission to an uninfected partner. Females: Female participants who are of child bearing potential and who are engaging in sexual activity that could lead to pregnancy, must agree to use one of the acceptable birth control methods until the last dose of study medication and completion of the follow-up visit (4 weeks after the last dose). Condoms are recommended in addition, because their appropriate use is the only contraception method effective for preventing HIV-1 transmission
Parent or legal guardian or participant >=18 years of age is able and willing to provide signed informed consent

Exclusion Criteria

Presence of any active AIDS defining opportunistic infection
Known >=grade 3 laboratory toxicities prior to study entry (e.g. neutrophil count, hemoglobin, platelets, aspartate aminotransferase [AST], alanine aminotransferase [ALT], lipase, serum creatinine and total bilirubin). Repeat testing is allowed for eligibility determination
Previous permanent discontinuation from investigational product in the parent study due to toxicity, intolerance or pregnancy
ALT >=5 times the upper limit of normal (ULN), or ALT >=3 times ULN and bilirubin >=1.5 times ULN (with >35 percent [%] direct bilirubin) within 30 days prior to study entry. Participants with moderate to severe hepatic impairment (Class B or greater) as determined by Child-Pugh classification should be excluded
Estimated glomerular filtration rate (eGFR) bedside Schwartz formula; <60 milliliter per minute per 1.73 square meter within 30 days prior to study entry
Participants positive for hepatitis B virus in the parent study (hepatitis B virus surface antigen positive)
Female who are pregnant or plan to become pregnant or breastfeed during the study
Participant is currently participating in or has participated in a study with a compound or device that is not commercially available within 30 days of signing informed consent, unless permission from the sponsor's medical monitor is granted
Presence of any history of allergy/sensitivity to any of the study drugs
Participants transitioning from the P2019 study (taking ABC/DTG/3TC) must be Human Leukocyte Antigen-B5701-negative based on documented testing at any time prior to entry
Use of any disallowed medications at time of Screening
Anticipated need for Hepatitis C virus therapy with interferon or any drugs that have potential for adverse drug: drug interactions with study treatment throughout the entire study period
Participant is unlikely to adhere to the study procedures, keep appointments, or is planning to relocate during the study
Clinical or symptomatic evidence of pancreatitis, as determined by the clinician
Any condition (including but not limited to alcohol and drug use) that would, in the opinion of the site investigator, place the participant at an unacceptable risk of injury or render the participant unable to meet the requirements of the protocol
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