Implication for Strategies of Long Term Control of Viral Replication in Patient With Primary HIV Infection (PHI).

  • STATUS
    Recruiting
  • End date
    Jun 14, 2021
  • participants needed
    112
  • sponsor
    ADRIANO LAZZARIN, MD
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Updated on 24 January 2021
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Summary

Multicenter, parallel group, randomised, open label, study. Twenty-five clinical centers constituting the InAction network will participate the study.

Eligible patients will be randomised in a ratio 10:10:8 to be treated with one of the three antiretroviral regimens:

  • TDF/FTC 245 mg/200 mg single tablet QD + DRV /cobicistat 800 mg /150 mg single tablet QD (Arm A, standard regimen),
  • TDF/FTC 245 mg/200 mg single tablet QD + DTG 50 mg QD (Arm B, standard regimen).
  • TDF/FTC 245 mg/200 mg single tablet QD + DRV 800 mg /cobicistat single tablet QD + DTG 50 mg QD (Arm C, experimental regimen).

One-hundred-and-twelve PHI subjects will be recruited for this study among those attending the outpatient Clinic of Infectious Diseases, Ospedale San Raffaele and other Italian centres, involved in the INACTION network.

Description

At Screening, potential subjects will perform serology for HIV, ELISA and Western Blot (WB), to assess Fiebig stage:

  • Stage I: ELISA negative, WB negative, HIV-1 RNA positive.
  • Stage II: ELISA positive for p24, WB negative.
  • Stage III: ELISA positive, WB negative.
  • Stage IV: ELISA positive, WB undetermined.
  • Stage V: ELISA positive, WB partially positive with p31 negative.
  • Stage VI: ELISA positive, WB positive, previous HIV negative test within 6 months

On Day 0 (Baseline-BL), within 0-5 days from screening, subjects will:

  • perform biochemical and haematological tests, virological test (HIV-1 RNA, tropism test, genotype resistance test), immunological test (CD4+, CD4%, CD8+, CD8%, CD4/CD8).
  • Perform anal and nasal brushing
  • Perform microbiome
  • Have behavioral survey questionnaire administered
  • collect an additional sample of blood (80 mL) to perform the following evaluations:
  • HIV-DNA
  • T cells, B cells and DC subsets
  • HLA-A, B and C
  • Inflammatory markers
  • Pharmacokinetic: Ctrough
  • start one of the study treatment according to randomization
  • Arm A: TDF/FTC 10 mg/200 mg single tablet QD +DRV /cobicistat 800 mg /150 mg single tablet QD
  • Arm B: TDF/FTC 25 mg/200 mg single tablet QD +DTG 50 mg QD
  • Arm C: TDF/FTC 10 mg/200 mg single tablet QD +DRV/cobicistat single tablet QD +DTG 50 mg QD

In addition, on Day 0 (Baseline-BL), subjects who will sign an additional specific informed

consent
  • cerebrospinal fluid (CSF) will be collected to evaluate HIV-1 RNA
  • GALT biopsies will be performed in order to allow the evaluation of viral reservoirs.
  • Lymph nodes biopsies to evaluate immunological subset Following Day 0, subjects will return for visits at Weeks 2, 4, 8, 12, 24, 36 and 48 or at discontinuation.

HIV-1 RNA levels will be measured and physical examination will be performed at all the scheduled study visits CD4+, CD4%, CD8+, CD8%, CD4/CD8 will be repeated at Weeks 4, 8, 12, 24, 36, 48 or at discontinuation.

Laboratory safety parameters (complete blood count, renal function, hepatic function, lipids and glucidic profile) will be tested at Weeks 4, 8, 12, 24, 36, 48 or at discontinuation.

At week 12 and 48 or at discontinuation, an additional blood sample of 80 mL will be collected to perform the following evaluations:

  • HIV-DNA and viral tropism
  • T, B and DC cells subsets
  • Inflammatory markers At week 2, 4, 8, 12, 24, 36, 48 or at discontinuation a blood sample of 21 mL will be collected for pharmacokinetic of drugs.

At week 12, 48 or discontinuation a stool sample will be collected to evaluate microbioma.

At week 12 and 48 anal brushing and nasal brushing will be performed to evaluate HIVDNA and pharmacokinetic analysis.

At week 12 and 48 behavioral survey questionnaire will be administered to the patient.

At week 12, or at discontinuation, in subjects who will have signed the specific additional informed consent:

  • liquor will be collected to evaluate HIV-1 RNA and drugs concentration in central nervous system.
  • CSF will be collected to evaluate HIV-1 RNA and drugs concentration in central nervous system.
  • GALT biopsies and lymph nodes biopsy will be performed in order to allow the evaluation of viral reservoirs.

Subjects will complete the study when they will reach week 48 on their assigned regimen. At the end of the study, they will continue assigned treatment in arm A and B; if the study will show a superiority of ARM C, the patients in this arm will continue the regimen. In case of non superiority they will be switch to triple therapy. The last patient visit is the last on-study visit or date of death or lost-to follow-up or discontinuation for any reason, whichever occurs last during the conduction of the study.

Considering that the patients' enrollment will last 96 weeks, the overall length of the trial will be 144 weeks.

Details
Condition HIV-1-infection, HIV-1-infection
Treatment Symtuza, DESCOVY+DOLUTEGRAVIR, SYMTUZA+DOLUTEGRAVIR
Clinical Study IdentifierNCT04225325
SponsorADRIANO LAZZARIN, MD
Last Modified on24 January 2021

Eligibility

 Yes No Not Sure

Inclusion Criteria

Is your age greater than or equal to 18 yrs?
Gender: Male or Female
Do you have HIV-1-infection?
Do you have any of these conditions: Do you have HIV-1-infection??
Subjects must be at least 18 years of age at the time of randomization, of either sex and of any race
Primary HIV Infection defined according to Fiebig's classification
Subjects must have given written informed consent and must be able to adhere to dose and visit schedules
Female subjects of child-bearing potential must agree to use a medically accepted method of contraception
Female subjects of child-bearing potential must have a negative serum beta-hCG pregnancy test at Screening, and a negative urine beta-HCG pregnancy test on Day 1 prior to dosing
A female, may be eligible to enter and participate in the study if she
is of non-child-bearing potential defined as either 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
is of 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 penile-vaginal intercourse from 2 weeks prior to administration of IP, throughout the study, and for at least 2 weeks after discontinuation of all study medications
Double barrier method (male condom/spermicide, male condom/diaphragm, diaphragm/spermicide)
Any intrauterine device (IUD) with published data showing that the expected failure rate is <1% per year (not all IUDs meet this criterion, see Appendix 4 for an example listing of approved IUDs)
Male partner sterilization confirmed prior to the female subject's entry into the study, and this male is the sole partner for that subject
Approved hormonal contraception for subjects randomized to arm B (TDF/FTC + DTG)
Approved hormonal contraception and a barrier method for subjects randomized to arm A (TDF/FTC +DRV/cobicistat) and C (TDF/FTC +DRV/cobicistat +DTG)
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 and for at least 2 weeks after discontinuation of IP. -Approved hormonal contraception for subjects randomized to the treatment groups should be specified

Exclusion Criteria

Female subjects of childbearing potential who are breastfeeding, pregnant, or planning to become pregnant
Subjects with active opportunistic infection or malignancy
Subjects positive for Hepatitis B at screening (+HBsAg), or anticipated need for Hepatitis C virus (HCV) therapy during the study
Subjects with known liver cirrhosis
Subjects with any clinically significant condition or situation other than the condition being studied that, in the opinion of investigator, would interfere with the study evaluations or optimal participation
Subjects with allergy/sensitivity to drugs or its excipients
History or presence of allergy to the study drugs or their components
Alanine aminotransferase (ALT) 5 times the upper limit of normal (ULN), OR ALT 3xULN and bilirubin 1.5xULN (with >35% direct bilirubin)
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)
Subjects with severe hepatic impairment (Class C) as determined by Child-Pugh classification
Subject has creatinine clearance of <70 mL/min via Cockroft-Gault method
Hepatic failure (Child-Plug grade C)
Use of not modifiable concomitant drugs: carbamazepine, fenitoine, fenobarbital, rifampicine, Hypericum perforatum, dofelitide
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