HIV/AIDS Clinical Trial
— RemTLAROfficial title:
An Open-label, Randomized, Single Intravenous Dosing Study to Investigate the Effect of Fixed-dose Combinations of Tenofovir/Lamivudine or Atazanavir/Ritonavir on the Pharmacokinetics of Remdesivir in Ugandan Healthy Volunteers
NCT number | NCT04385719 |
Other study ID # | PK-24 |
Secondary ID | |
Status | Completed |
Phase | Phase 2 |
First received | |
Last updated | |
Start date | May 5, 2021 |
Est. completion date | July 16, 2021 |
Verified date | August 2021 |
Source | Makerere University |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Ebola and HIV are found predominately in the same regions of the world and countries in sub-Saharan Africa are most affected by both diseases. For Ebola, no approved therapies exist. However, new investigational drugs are being evaluated to understand if they are effective against the Ebola virus. Remdesivir is an anti-Ebola investigational drug for the treatment of Ebola. Little is known about how the blood levels of remdesivir relate to how effective it is in patients with HIV taking antiretroviral therapy. This study will explore how commonly utilized ART (tenofovir/lamivudine and atazanavir/ritonavir) affect the drug levels of remdesivir.
Status | Completed |
Enrollment | 24 |
Est. completion date | July 16, 2021 |
Est. primary completion date | July 2, 2021 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years to 55 Years |
Eligibility | Inclusion Criteria: 1. Evidence of a personally signed and dated informed consent document indicating that the participant has been informed of all pertinent aspects of the study. 2. Participants who are willing and able to comply with scheduled visits, treatment plan, laboratory tests, and other study procedures. 3. Healthy men and women aged 18 to 55 years of age, and in good health as determined by past medical history, physical examination, vital signs, electrocardiogram, and laboratory tests at screening. 4. At screening, and all other visits, vital signs (systolic and diastolic blood pressure and pulse rate) will be assessed in the sitting position and again (when required) in the standing position. Sitting vital signs should be within the following ranges: I. axillary body temperature between 35.5-37.0 °C II. systolic blood pressure, 90-139 mmHg III. diastolic blood pressure, 50-89 mmHg IV. Pulse rate, 50-90 bpm. If pulse rate is between 40 and 50 bpm, the Investigator may decide to enroll the subject if he/she has history of athletic practice or other regular high cardio-vascular activity and ECG assessment is within normal range. Subjects should be excluded if their standing vital signs (relative to sitting) show findings which, in the opinion of the Investigator, are associated with clinical manifestation of postural hypotension (i.e. absence of any other cause). The Investigator should carefully consider enrolling subjects with either a > 20 mmHg decrease in systolic or a >10 mm Hg decrease in diastolic blood pressure, accompanied by a > 20 bpm increase in heart-rate (from sitting to standing). 5. Subjects must weigh at least 40 kg to participate in the study and must have a body mass index (BMI) within the range 18-30 Kg/m2. BMI= Body weight (kg) / [Height (m)]2 6. HIV antibody negative at screening. 7. Women of childbearing potential must be willing to use a highly effective contraception method (eg. IUD or hormonal contraceptive implant, complete abstinence (if genuinely followed)) or consistent use of a barrier method such as male or female condoms plus oral progestin contraceptives for the duration of the study. Non-surgically sterilized men must agree to abstain from sexual intercourse for the duration of the study or use condoms for contraception for the duration of the study. 8. Hemoglobin concentration equal or greater than 10 g/dL Exclusion Criteria: 1. Significant disease affecting cardiac, respiratory, gastrointestinal or neurological symptoms which in the clinician's medical judgment could be worsened by participating in this study or the presence of medical or surgical conditions which could prevent the subject from complying with study procedures. 2. Serum alanine transaminase (ALT) levels above 2x upper limit of normal (ULN) or total bilirubin > 1.3x ULN 3. Serum creatinine levels above 1.5x upper limit of normal 4. Evidence of QT prolongation on electrocardiogram (ECG) QTc (Rate adjusted QT interval) > 450ms (men) or 460ms (women) 5. Pregnant women or female subjects who are unwilling to use a suitable contraceptive method for the duration of the study (IUD or contraceptive implant) 6. Likely to be poorly adherent based on clinician's medical judgement 7. Known to be current injection drug user |
Country | Name | City | State |
---|---|---|---|
Uganda | Infectious Diseases Institute | Kampala |
Lead Sponsor | Collaborator |
---|---|
Makerere University | European and Developing Countries Clinical Trials Partnership (EDCTP), University of Liverpool, University of Turin, Italy |
Uganda,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Number of adverse events categorised by body system | The number of adverse events will be tabulated by body system. All safety parameters will be listed by cohort, subject and visit/time and summarized by treatment and visit/time. No formal statistical hypotheses of the safety or tolerability are to be tested. | 30 days | |
Primary | Percentage of participants with adverse events categorised by body system | The incidence of adverse events will be tabulated by body system. All safety parameters will be listed by cohort, subject and visit/time and summarized by treatment and visit/time. No formal statistical hypotheses of the safety or tolerability are to be tested. | 30 days | |
Primary | Peak Concentration (CMax) of remdesivir in peripheral blood mononuclear cells (PBMCs) and Plasma | maximum plasma and intracellular concentration [Cmax] of remdesivir with or without co-administration of antiretroviral drugs. | last measurable time-point (24 hours) | |
Primary | Time to maximum concentration (TMax) of remdesivir in peripheral blood mononuclear cells (PBMCs) and Plasma | Time to maximum concentration of remdesivir in plasma and PBMCs with or without co-administration of antiretroviral therapy | last measurable time-point (24 hours) | |
Primary | Terminal elimination half-life of remdesivir in plasma and PBMCs | terminal elimination half life of remdesivir in peripheral blood mononuclear cells (PBMCs) and Plasma with or without co-administration of antiretroviral therapy. | 24 hours | |
Primary | Area under concentration-time curve (AUC) of remdesivir | Area under concentration-time curve of remdesivir in peripheral blood mononuclear cells (PBMCs) and Plasma with or without co-administration of antiretroviral therapy. | last measurable time-point (24 hours) | |
Secondary | Geometric mean ratio and 90% confidence intervals of remdesivir CMax with and without antiretroviral therapy. | CMax of remdesivir in plasma and PBMCS will be compared with and without antiretroviral therapy. | 24 hours | |
Secondary | Geometric mean ratio and 90% confidence intervals of remdesivir TMax with and without antiretroviral therapy. | TMax of remdesivir in plasma and PBMCS will be compared with and without antiretroviral therapy. | 24 hours | |
Secondary | Geometric mean ratio and 90% confidence intervals of remdesivir terminal elimination half-life with and without antiretroviral therapy. | t 1/2 of remdesivir in plasma and PBMCS will be compared with and without antiretroviral therapy. | 24 hours | |
Secondary | Geometric mean ratio and 90% confidence intervals of remdesivir area under concentration-time curve, with and without antiretroviral therapy. | AUC (0-t) of remdesivir in plasma and PBMCS will be compared with and without antiretroviral therapy. t is the last measurable time-point | 24 hours |
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