Dolutegravir Plus 2 NRTIs, in Treatment-Naïve HIV-2 Infected Subjects

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

30 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-04-05

Study Completion Date

2019-07-02

Brief Summary

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Multicenter, single-arm, open-label clinical trial to evaluate the efficacy, the safety and the tolerability of 50 mg dolutegravir once daily (q.d.) given in combination with 2 NRTIs backbone in HIV-2 positive, treatment-naïve subjects.

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Detailed Description

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Subjects who fulfill all inclusion criteria and none of the exclusion criteria, after giving informed consent, will be eligible for participation in this study. At the Visit 2 (Day1) subjects will receive the study medication and instructions for its administration. Thereafter, subjects will return to the investigational site at week 4, 12, 24, 36 and 48, for efficacy and safety assessments.

Subjects who meet the virologic failure criteria will return to the investigational site approximately one week later to repeat viral RNA testing (Virologic Failure Confirmation visit). If virologic failure is confirmed and the viral load meets the criteria for resistance testing, viral resistance testing will then be performed.

Conditions

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HIV II Infection

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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: Dolutegravir (DTG)

Group Type EXPERIMENTAL

Dolutegravir 50 mg

Intervention Type DRUG

Dolutegravir will be used in combination with 2 nucleoside reverse transcriptase inhibitors (NRTIs). The NRTIs used in combination with DTG will be abacavir (ABC) plus lamivudine (3TC) or tenofovir (TDF) plus emtricitabine (FTC), which is in line with the current standard of care. The combination ABC/3TC/DTG will be preferential except in case of hepatitis B co-infection or in case the subject has a positive HLA-B\*5701 allele screening assessment.

Interventions

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Dolutegravir 50 mg

Dolutegravir will be used in combination with 2 nucleoside reverse transcriptase inhibitors (NRTIs). The NRTIs used in combination with DTG will be abacavir (ABC) plus lamivudine (3TC) or tenofovir (TDF) plus emtricitabine (FTC), which is in line with the current standard of care. The combination ABC/3TC/DTG will be preferential except in case of hepatitis B co-infection or in case the subject has a positive HLA-B\*5701 allele screening assessment.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. Able to understand and willing to comply with all the requirements of the study, as confirmed by giving voluntary written informed consent for participation.
2. Male or female gender.
3. Age ≥ 18 years on the day of signing the informed consent.
4. HIV-2 positive as determined by a positive result in the respective assay.
5. CD4 count ≤500 cells/mm3 (in case of undetectable baseline HIV-2 viral load); and/or classified as B- or C-stage, by the HIV disease staging and classification system of Centers for Disease Control and Prevention (CDC); and/or have detectable viral load irrespective of CD4 count; and/or have other medical conditions / co-morbidities in which treatment is considered, according to European AIDS Clinical Society (EACS) and national guidelines;
6. Naïve to ART including investigational antiretroviral agents .
7. Considered clinically stable with no signs or symptoms of active infection, at the time of entry into the study (i.e., clinical status and all chronic medications should be unchanged for at least 2 weeks prior to the start of treatment in this study), in the opinion of the investigator.
8. If woman or man with reproductive potential, agrees to adopt one of the following effective contraceptive methods throughout the study:

1. True abstinence, if this is in line with the preferred and usual lifestyle of the subject \[Period abstinence (e.g., abstinence only on certain calendar days, abstinence only during ovulation period, use of symptothermal method, use of post-ovulation methods) and withdrawal are not acceptable methods of contraception\].
2. Use of an acceptable method of birth control throughout the study (either by subject or subject's partner). Acceptable methods of birth control are: oral contraceptive, intrauterine device (IUD), diaphragm with spermicide, contraceptive sponge, condom, vasectomy. All forms of hormonal contraception are acceptable. However, the investigator should consult local prescribing information for guidance on the use of hormonal contraceptives with background ART as some antiretrovirals have clinically significant drug interactions with these products.

NOTE: A subject who is not of reproductive potential , is not sexually active, whose current partner(s) is/are not of reproductive potential, or whose sexual activity is exclusively homosexual is eligible without requiring the use of contraception. However, use of barrier methods of contraception is strongly encouraged to reduce the risk of HIV-2 transmission during sexual contact.

Exclusion Criteria

1. History or presence of allergy to the study drugs or their components.
2. HIV-1 infection or HIV-1/HIV-2 dual infection.
3. History or current evidence of any condition, therapy, laboratory abnormality or other circumstance that might confound the results of the study, or interfere with the subject's participation for the full duration of the study, such that it is not in the best interest of the subject to participate.
4. Documented or known resistance to DTG and/or NRTIs.
5. Treatment with systemic immunosuppressive therapy or immune modulators within 30 days prior to treatment in this study or is anticipated to need them during the course of the study.

NOTE: "Short courses" of corticosteroids (e.g., as for asthma exacerbation) will be allowed. "Short courses" mean a use of corticosteroids for less than 7 days.
6. Requiring or is anticipated to require any of the prohibited medications while in the study (dofetilide, inducers of CYP3A4, including phenobarbital, phenytoin, carbamazepine and rifampicin).

NOTE: Subjects must discontinue phenobarbital, phenytoin, carbamazepine, and rifampicin at least 14 days prior to the treatment phase of the study.
7. Current (active) diagnosis of tuberculosis.
8. Alanine aminotransferase (ALT) ≥5 times the upper limit of normal (ULN), or ALT ≥3xULN and bilirubin ≥1.5xULN (with \>35% direct bilirubin).
9. Moderate to severe hepatic impairment (Class B or greater) as determined by Child-Pugh classification .
10. If subject eligible to receive Tivicay®: Unstable liver disease (as defined by the presence of ascites, encephalopathy, coagulopathy, hypoalbuminemia, esophageal or gastric varices, or persistent jaundice), cirrhosis, known biliary abnormalities (with the exception of Gilbert's syndrome or asymptomatic gallstones).
11. Estimated creatinine clearance \<50 mL/min at time of screening, based on Cockcroft-Gault equation .
12. Current (active) diagnosis of acute hepatitis due to any cause. NOTE: Subjects with chronic hepatitis B and C may enter the study as long as they fulfil all entry criteria, have stable liver function tests, and have no significant impairment of hepatic synthetic function (significant impairment of hepatic synthetic function is defined as a serum albumin \<2.8 g/dL in the absence of another explanation for the abnormal laboratory value) at the time of enrollment.
13. Under treatment for a viral infection other than HIV-2, such as hepatitis B, with an agent that may be active against HIV-2, including but not limited to 3TC, TDF or entecavir, unless the treatment with these agents occurred prior to the diagnosis of HIV.
14. Anticipated need for Hepatitis C virus (HCV) therapy with interferon and/or ribavirin during the study.
15. Positive HLA-B\*5701 allele screening assessment and is also not eligible for treatment with the other acceptable NRTIs (TDF/FTC).
16. Significant suicidality risk, according to the investigator's judgment. NOTE: Recent history of suicidal behavior and/or suicidal ideation may be considered as evidence of serious suicide risk.
17. Participation in a study with an investigational compound/device within 30 days of signing informed consent or anticipates participating in such a study involving an investigational compound/device during the course of this study.
18. If woman, she is pregnant, breastfeeding, or expecting to conceive at any time during the study.
19. If woman, she is expecting to donate eggs at any time during the study.
20. If man, expecting to donate sperm at any time during the study.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No