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Human Immunodeficiency Virus InfectionsPhase 2NCT02452242

Safety, PK and PD Study of ABX464 in Untreated HIV Patients

A Phase 2 study testing ABX464 in people with Human Immunodeficiency Virus Infections, run by Abivax S.A. at 4 sites in 2 countries.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

ABX464 is a first in class that showed efficacy as an anti-HIV therapy. The present study is intended to assess the safety, the tolerability, and pharmacokinetic parameters and to evaluate the effect on viral load of repeated oral administrations of ABX464 in patients infected by HIV, not previously treated for their… Read more about this study

Who is it for?
Ages 18 to 65 years
Conditions the study is for
Human Immunodeficiency Virus Infections
What is being tested?
ABX464
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
70 participants
Where
4 sitesin 2 countries
Study dates
Jan 2015to May 2016
Phase
Phase 2
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 65 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Males or females, 18 to 65 years of age
  • Patients infected by HIV-1 or HIV-2
  • BMI between 17 and 29 kg/m².
  • CD4 cell count ≥ 350 /mm3 and HIV RNA level between 5,000-500,000 copies/mL.
  • Clinical laboratory tests (hematology, blood chemistry, and urinalyses) must be within normal limits, or clinically acceptable to the sponsor and principal investigator and consistent with the underlying HIV infection.
  • Urine drug screen for drugs with a high potential for abuse (cocaine, opiates, amphetamines and barbiturates) and alcohol breath test must be negative.
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  • Females must be non lactating and either be of nonchildbearing potential (ie sterilized via hysterectomy or bilateral tubal ligation or at least one year post-menopausal) or if of child bearing potential, must be practicing effective double barrier contraceptive methods from at least two weeks prior to Day 1 until 3 months after the last dose of study medication.
  • Males must practice an effective barrier method of contraception from Day 1 until 3 months days after the last dose of study medication.
  • Patients must be willing to give written informed consent prior to study enrollment and be able to adhere to restrictions and examination schedules.
  • Physical examination and ECG must be within normal limits.
  • Never taken any antiretroviral agent except for a brief time, and for some reasons, the patient decided not to continue therapy (i.e. Toxicity, personal decision. None in past 30-180 days.

Who cannot join

  • Individuals with a history of any significant medical disorders which requires a physician's care.
  • Individuals who have a history of any clinically significant local or systemic infectious disease (other than HIV-1 or HIV-2 infection) within four weeks prior to drug administration.
  • Individuals with any clinically significant laboratory abnormalities as defined as grade 2 or 3 in Common Terminology Criteria for Adverse Events (CTCAE), version 4.0.
  • Individuals who are positive for hepatitis B virus and/or hepatitis C virus
  • Any individual who does not comply with the requirement that he should not have used any drugs (including prescription, nonprescription, herbal, and mineral supplements) other than paracetamol for at least two weeks prior to the study nor alcohol within 48 hours prior to drug administration and for the entire study period. The use of a concomitant medications to treat an AE during the study will not be considered a protocol violation.
  • Individuals who have participated in a clinical trial of an investigational drug within 90 days prior to the start of the study
  • Individuals who smoke more than ten cigarettes or equivalent tobacco use per day.
  • Individuals with forfeiture of freedom by an administrative or legal obligation or under guardianship

Trial locations and contacts

4 sites in 2 countries.

4 sites in 2 countries

Thailand3 sites
  • HIV-NAT, Thai Red Cross AIDS Research Center

    Bangkok, 10330

  • Siriraj Hospital, Mahidol University

    Bangkok, 10700

  • Chiang Mai University

    Chiang Mai, 50200

Other trials in Thailand

Mauritius1 site
  • CAP Research Ltd

    Curepipe

Other trials in Mauritius

About this study

Official title: A Phase 2, Dose Escalation, Schedule Comparison Study to Evaluate the Safety, Pharmacokinetics, and Viral Kinetics of ABX464 in Untreated Patients With HIV Infection in Mauritius

ABX464 is a first in class that showed efficacy as an anti-HIV therapy. The present study is intended to assess the safety, the tolerability, and pharmacokinetic parameters and to evaluate the effect on viral load of repeated oral administrations of ABX464 in patients infected by HIV, not previously treated for their HIV.

Two types of design are intended in this protocol: dosing every 3 days or dosing every day. The goal is to determine the best dosing regimen to reduce viral load and minimize adverse events.

Being tested
ABX464, Placebo

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • ABX464Drug

    25, 50, 75, 100, 150 mg, i.e. 1, 2, 3, 4 or 6 capsules respectively, every 3 days or every day for 2 weeks

  • PlaceboOther

    1, 2, 3, 4 or 6 capsules respectively, every 3 days or every day for 2 weeks

Study groups in NCT02452242
Study groupRoleWhat they receive
ABX464ExperimentalNot described
Receives: Drug: ABX464
PlaceboPlacebo comparatorNot described
Receives: Other: Placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Safety and tolerability profile of ABX464 as assessed by the change from baseline in laboratory values, in vital signs and ECG parameters at week 3 and by the number of patients with adverse events.

    Number of patients with abnormal blood (hematology and biochemistry) and urinary laboratory values, abnormal vital signs and ECG parameters and the number/proportion of patients reporting any adverse event.

    Measured: Week 3

Secondary outcomes (6)
  1. Cmax

    Maximum concentration in plasma of ABX464 and metabolite

    Measured: week 1, week 2 and week 3

  2. tmax

    Time to maximum concentration

    Measured: Week 3

  3. AUC

    Area under the concentration-time curve

    Measured: Week 3

  4. t1/2

    Half-life of the ABX464 in plasma

    Measured: Week 3

  5. Pharmacodynamic activity as expressed by CD4 and CD8 count

    CD4 and CD8 values

    Measured: Week 3

  6. Pharmacodynamic activity as expressed by HIV viral load

    HIV viral load across time and possible relationship with PK parameters

    Measured: Week 3

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted22 May 2015 (estimated)
  2. Study startJan 2015
  3. Primary completionDec 2015
  4. Study completionMay 2016

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
70 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02452242
Sponsor's protocol ID
ABX464-003
Status last verified
May 2015
First submitted
10 Apr 2015
Last updated
30 May 2016
Results posted
No
Data monitoring committee
Yes

Publications

  • Steens JM, Scherrer D, Gineste P, Barrett PN, Khuanchai S, Winai R, Ruxrungtham K, Tazi J, Murphy R, Ehrlich H. Safety, Pharmacokinetics, and Antiviral Activity of a Novel HIV Antiviral, ABX464, in Treatment-Naive HIV-Infected Subjects in a Phase 2 Randomized, Controlled Study. Antimicrob Agents Chemother. 2017 Jun 27;61(7):e00545-17. doi: 10.1128/AAC.00545-17. Print 2017 Jul.

    PubMed 28507108

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing ABX464 in people with Human Immunodeficiency Virus Infections, run by Abivax S.A. at 4 sites in 2 countries.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 11 inclusion and 8 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 30 May 2016. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 4 sites in Thailand, Mauritius. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Safety and tolerability profile of ABX464 as assessed by the change from baseline in laboratory values, in vital signs and ECG parameters at week 3 and by the number of patients with adverse events. (time frame: Week 3). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT02452242, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 30 May 2016.

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