Efficacy of BIC/F/TAF Versus Standard of Care in the Treatment of New HIV Infection Diagnoses in the Context of 'Test and Treat'

  • STATUS
    Recruiting
  • End date
    Jul 31, 2022
  • participants needed
    36
  • sponsor
    Chelsea and Westminster NHS Foundation Trust
Updated on 24 June 2021
hysterectomy
antiretroviral agents
antiretroviral therapy
tenofovir
emtricitabine
cobicistat
darunavir
AIDS
HIV Vaccine

Summary

The administration of combination antiretroviral therapy (cART) to HIV-infected patients has been associated with a dramatic reduction in AIDS-related morbidity and mortality. Time to cART start is currently approximately 2-4 weeks after diagnosis, mostly deferred for reasons of waiting for baseline blood test results in particular HIV genotype, CD4 count, OI screen and logistics of a consultant clinical review. Whilst there is a clear rationale for this delay there is a risk of loss to follow-up as well as the potential risk of onward viral transmission. The balance between "readiness" to start ART against pragmatic and practical safe initiation of treatment needs to be tested using currently available safe potent antiretroviral agents in a head-to-head comparison study to allow careful rigorous comparisons of outcomes.

This study will recruit 36 newly diagnosed HIV patients to be started on treatment immediately upon diagnosis. This would optimally be within 7 days, for eligibility to the study up to 14 days will be permissible. Patients will be randomised to one of two open-label combination therapies known to be highly effective Biktarvy or Symtuza. The patients will receive study treatment for 48 weeks. The two therapies will be compared by the change in HIV viral load from start of treatment to 12 weeks. Further clinical data will be recorded for the trial patients and exploratory investigations undertaken. As those recruited to the trial may not be representative of the full cohort of newly diagnosed HIV patients there will also be data collected on all newly diagnosed patients in a given period. This data will contribute to conclusions on the benefits and issues of implementing test and treat.

Description

There will be an open-label two arm clinical trial with participants randomised to Biktarvy or Symtuza with equal probability. Study treatment will last for 48 weeks.

Baseline - Following confirmatory HIV testing potential participants will have a appointment with a study doctor. Full medical check and medical history undertaken. Patients will be offered opportunity to participate in the study. To avoid unnecessary visits and in line with the study aim of getting patients on treatment rapidly patients can consent on the same day that HIV diagnosis is confirmed to them. Treatment to be initiated following appointment in line with test and treat procedure. Samples will be taken (if not available from previous days) for all initial required tests.

Participants will be given baseline questionnaires that they can return on week 2 visit.

Week 1 call - Call to check drug adherence, adverse events and patient wellbeing.

Week 2 visit - Appointment with study doctor to review all results from initial tests. Following undertaken: viral load vital signs adverse events adherence assessment.

Week 4, 12, 24, 48 Follow-up visits - Full medical review undertaken at each visit including safety blood tests.

Following undertaken: viral load adverse events adherence assessment questionnaires samples taken for secondary and exploratory objectives. Week 48 visit will be the end of study treatment period.

Follow-up visit - up to 30 days after the week 48 visit there will be a follow-up visit to complete final medical assessment and final adverse events reporting.

Samples will be collected from participants further to those required for stated objectives to be retained for future research into HIV infection.

We will also collect and clinical data cohort of data on all patients newly diagnosed with HIV during a set window.

Clinical data will be collected from their first year after diagnosis.

Details
Condition HIV, HIV infection, HIV (Pediatric), HIV Infections, human immunodeficiency virus, hiv disease
Treatment Biktarvy, Symtuza
Clinical Study IdentifierNCT04653194
SponsorChelsea and Westminster NHS Foundation Trust
Last Modified on24 June 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Is male or female aged 18 years or over
Confirmed diagnosis of HIV-1 as per local clinic definition less than 14 days before day treatment is to be initiated
Is capable of giving informed consent
Is willing to comply with the protocol requirements
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 or
is of child-bearing potential with a negative pregnancy test at Screening (& baseline visit) and agrees to use one of the methods of contraception to avoid pregnancy indicated in Appendix 4 during the study and for a period of 12 weeks after the study
Men who have partners who are women of childbearing potential (WOCBP - definition in Appendix 4) must be using an adequate method of contraception as listed in Appendix 4 to avoid pregnancy in their partner throughout the study and for a period of at least 12 weeks after the study

Exclusion Criteria

Infected by HIV-2
On PEP
Use of medications that are know to interact with either treatment B or S
Unstable health conditions that according to the opinion of the Investigator suggest the individual should not take part in the trial (including unstable liver diseases, possible opportunistic infections, etc)
Women planning pregnancy or who are pregnant or breast feeding. (NB: See section 4.4 Withdrawal Criteria and Section 10.4 Collection and Follow up of Adverse Events if pregnancy does occur in a trial subject)
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 subject prior to randomisation
Known acute or chronic viral hepatitis including, but not limited to, A, B, or C
Any investigational drug within 30 days prior to the trial drug administration
Any other condition (including illicit drug use or alcohol abuse) or laboratory results which, in the investigator's opinion, interfere with assessments or completion of the trial
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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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