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RIFT: Effect of Rifampicin on Plasma PK of FTC, TAF and Intracellular TFV-DP & FTC-TP (RIFT)

2018年2月9日 更新者：St. Stephens Clinical Research

The Effect of Rifampicin on the Plasma Pharmacokinetics of Emtricitabine (FTC) and Tenofovir Alafenamide Fumarate (TAF) and Intracellular Tenofovir-diphosphate (TFV-DP) and FTC-triphosphate (FTC-TP)

The purpose of this study is to look at the levels of three HIV medications: Descovy®, Viread® and Rifadin® in the blood after drug intake has been stopped, in order to understand how long these drugs persist in the blood. The study will specifically look at blood levels of these three drugs after taking them every day for 28 days. Participants will take Descovy® on a first stage, a combination of Descovy® and Rifadin® on a second stage, and Viread® on a third stage. If the participants decide to take part, the duration of the study will be up to 85 days plus a screening visit which will take place up to 28 days prior to the start of the study, and a follow up visit, which takes place 28 to 36 days after the last dose of study medication. This study is not randomised which means that all participants will receive all study medications in the same order. The participant and the study doctor will know which study medications the participant is taking at all times during the study.

During the study, numerous blood samples will be taken which could cause inconvenience and distress for patients. Every effort will be made by study staff to minimise this. There are a lot of clinic visits during the study and three full days in the unit which may inconvenience patients. However, participants will be made aware of this both verbally and in the patient information sheet. Participants will also receive compensation for their time and travel expenses whilst participating in the trial. Participants or participants' partners who plan to become pregnant during the study will not be allowed to take part in the study. Further to this (if applicable), participants must use effective contraception for the duration of the study. Participants will have to adhere to other restrictions as detailed in the participant information sheet. These restrictions will be explained in full to all participants.

研究概览

地位

完全的

条件

干预/治疗

详细说明

To assess the pharmacokinetics of TAF, plasma tenofovir, intracellular tenofovir-diphosphate (TFV-DP), emtricitabine, and emtricitabine tri-phosphate (FTC-TP), during administration of TAF/FTC and TDF alone and during co-administration of TAF/FTC or TDF plus rifampicin in HIV negative healthy volunteers.

To assess the safety and tolerability of the co-administered drugs in HIV negative healthy volunteers. To investigate the association between genetic polymorphisms in drug disposition genes and drug exposure. To investigate the impact of anti-retroviral drugs on platelet function in people living with HIV.

Among patients treated with antiretrovirals (ARVs), many will need to be treated for tuberculosis (TB) during their lifetime and Rifampicin (Rifadin) is the most commonly used treatment for tuberculosis. Every new ARV that becomes available for the treatment of HIV must be studied with rifampicin to understand whether it is safe to be used in patients on ARV treatment undergoing anti-TB treatment with rifampicin.

The total duration of the participant's involvement in the study will be 85 days plus a screening visit up to 28 days prior to the start of the study, and a follow up visit 27 to 35 days after the last blood measurement.

The participants will be asked to visit the clinic on 18 occasions, of which three visits involve staying in the unit for approximately 12 hours (day 28, 56 and 84). Blood samples will be taken from the participants throughout the study to measure the levels of Descovy, Viread and Rifadin in blood. Blood and urine will also be collected throughout the study for safety analysis. This is to ensure the participants are healthy to take part or to continue taking part in the study. The total amount of blood collected from each participant during the study will be approximately 590ml (approximately a pint).

Participants will be provided with written information about the study in the form of a participant information sheet and will be allowed adequate time for questions and to consider the study before agreeing to participate. It will be the responsibility of the investigator or the co-investigator to obtain written informed consent prior to undertaking any procedure detailed in the protocol. As part of the consent procedure, participants will also be asked consent to their personal details being entered into TOPS (the over-volunteering protection system).

The investigator or designee will provide adequate explanation of the aims, methods, objectives and potential hazards of the study. They will also be explaining to the participants that they are free to refuse or withdraw from the study for any reason without detriment to their future care or treatment.

A detailed description of each study visit follows below:

  1. Screening visit If the participant agrees to take part, they will firstly be asked to sign the informed consent form and they will be given a copy to keep.

    During the visit the following assessments will be carried out:

    • Demographic details
    • Full medical, drug and social history
    • Physical examination including weight, height, and vital signs (temperature, blood pressure, heart rate, and respiratory rate)
    • ECG
    • Chemistry panel
    • Haematology with a differential and clotting screen
    • HIV antibody testing
    • Hepatitis B and C screening
    • Urinalysis (macro analysis)
    • Drug screen (urine)
    • Pregnancy test (urine) for WOCBP (women of child-bearing potential)
    • Registration of TOPS database
    • Concomitant medications GP verification of medical history: A medical history questionnaire will be sent to all participants' GPs for verification of medical history. This information will be reviewed by the Investigator as part of the medical history evaluation. If the completed questionnaire is not received from the GP, then the available information regarding the participant will be reviewed by the Investigator. The Investigator will assess this information and decide whether they are sufficiently confident that the inclusion and exclusion criteria are met and whether the participant may be enrolled into the study.

    This decision must be documented in writing BEFORE the participant is dosed. Copies of sent GP letters and returned confirmation of medical history will be filed in each participant's source documentation.

  2. Baseline Visit, Day 1

    Participants will attend the Unit in the morning and will be asked to fast for 8 hours overnight prior to attending.

    The following evaluations will be performed in the morning of Day 1, before study medication dosing:

    • Vital signs (temperature, blood pressure, heart rate, and respiratory rate)
    • Haematology with a differential and clotting screen
    • Chemistry panel
    • Urinalysis (macro analysis)
    • Pregnancy test for WOCBP (urine)
    • Drug screen (urine)
    • Concomitant medications
    • Review of adverse events (AEs)

    Blood samples will be collected for:

    • Pharmacogenetics if they have agreed to this part of the study
    • Platelets function (to investigate how clotting works in people taking anti-HIV medication).

  3. Dosing

    All participants will be administered Descovy®, Rifadin® and Viread® as follows:

    Phase 1 Descovy® (TAF/FTC) 25/200 mg once daily for 28 days (DAYS 1-28) Phase 2 Descovy® (TAF/FTC) 25/200 mg once daily plus Rifadin® 600 mg once daily for 28 days (DAYS 29-56) Phase 3 Viread® (TDF) 245 mg once daily for 28 days (DAYS 57-84)

    Participants will be dosed in the clinic on Days 1, 7, 14, 21, 28, 29, 35, 42, 49, 56, 57, 63, 70, 77, 84 and 85. On all others day, participants will be required to take the dose at home.

    In Phase 1 and 3, Viread® and Descovy® dosing must be witnessed following a standard breakfast, made up according to instructions in Appendix 3 along with 240 ml of water. This will set the nominal time of dosing. Participants will then be instructed to take the study drug at home at the same time every day within 15 minutes after a standard breakfast.

    In Phase 2, the Rifadin® dose (either taken in the unit or at home) must be taken on an empty stomach. Then, at least 30 mins after the Rifadin® dose, participants should have a standard meal followed by the Descovy® dose.

    Participants will be requested to return to site any used/unused Descovy®, Vilead® or Rifadin® tablets on Days 28, 56 and 84. Site staff will count the IMP and this will be recorded in the source.

  4. Weekly safety assessment (Days 7, 14, 21, 35, 42, 49, 63, 70 and 77)

    Participants will attend the Unit in the morning. They will be asked to fast for 8 hours overnight prior to attending.

    The following evaluations will be performed in the morning before witnessed study medication dosing:

    • Vital signs (temperature, blood pressure, heart rate, and respiratory rate)
    • Haematology with a differential and clotting screen
    • Chemistry panel (U&Es and LFTs only)
    • Concomitant medications
    • Review of AEs
    • Adherence to study drugs will be evaluated by study staff by direct questioning of dosing schedules, missed and late doses. This will be documented in the participant's source document and CRF.

    Blood samples will be collected for:

    • Plasma drug concentration (pre-dose)
    • PBMC drug concentration (pre-dose)

  5. Intensive Pharmacokinetic Visit (Days 28, 56, 84)

    Participants will be admitted to the unit in the morning on Days 28, 56 and 84 and will remain in the unit for approximately 12 hours. They will be asked to fast for 8 hours overnight prior to attending. The following evaluations will be performed in the morning, before study medication dosing:

    • Vital signs (temperature, blood pressure, heart rate, and respiratory rate)
    • Physical Examination (only if clinically indicated)
    • Adherence questioning
    • Review of AEs
    • Concomitant medication check
    • Haematology with a differential and clotting screen
    • Chemistry panel
    • Urinalysis (macro analysis)
    • Drug screen (urine)
    • Pregnancy test for WOCBP (urine)
    • Pill count (compliance check). Adherence to study drugs will be evaluated by study staff by direct questioning of dosing schedules, missed and late doses. This will be documented in the participant's source document and CRF.

    Blood samples will be collected for:

    • Serial blood sample collection for plasma drug concentration at the following time points: pre-dose (within 10minutes before dosing), 2, 4, 6, 8, 12 hr post dose (all ± 5 minutes).
    • Serial blood sample collection for PBMC drug concentration at the following time points: pre-dose (within 10 minutes before dosing), 2, 8 and 12 hr post dose (all ± 5 minutes).
    • On Days 28 and 84 only: Platelet function investigation. Patients will be able to leave the unit after the 12-hour sample to return the following morning for the PK determination visit.

  6. PK determination / New drug initiation visit (Days 29, 57)

    Participants will attend the Unit in the morning. They will be asked to fast for 8 hours overnight prior to attending.

    The following evaluations will be performed before study medication dosing:

    • Vital signs (temperature, blood pressure, heart rate, and respiratory rate)
    • Haematology with a differential and clotting screen
    • Chemistry panel
    • Urinalysis (macro analysis)
    • Pregnancy test for WOCBP (urine)
    • Drug screen (urine)
    • Concomitant medications check
    • Review of AEs

    Blood samples will be collected for:

    • Plasma drug concentration (24 hours post Day 28 dose)
    • PBMC drug concentration (24 hours post Day 28 dose)

  7. PK determination visit (Days 85)

    Participants will attend the Unit in the morning. They will be asked to fast for 8 hours overnight prior to attending.

    The following evaluations will be performed before study medication dosing:

    • Review of AEs
    • Concomitant medications check

    Blood samples will be collected for:

    • Plasma drug concentration (24 hours post Day 28 dose)
    • PBMC drug concentration (24 hours post Day 28 dose)

  8. Follow up visit (Between Days 112 to 120)

    Participants will return to the unit on one occasion between days 112 to 120 inclusive. They will be asked to fast for 8 hours overnight prior to attending.

    The following evaluations will be performed:

    • Vital signs (temperature, blood pressure, heart rate, and respiratory rate)
    • Haematology with a differential and clotting screen
    • Chemistry panel.
    • Concomitant medications
    • Review of AEs
  9. Early termination visit

In case of early termination, participants will attend the unit for an early termination visit within one week (or otherwise as the investigator believes appropriate). Participants will be asked to fast for 8 hours overnight prior to attending, when possible.

During this visit the following evaluations will be performed:

  • Vital signs (temperature, blood pressure, heart rate, and respiratory rate)
  • Haematology with a differential and clotting screen
  • Chemistry panel
  • Concomitant medications and adverse event check
  • ECG
  • Dosing adherence assessment

The reason for the early termination of the participant will be clearly documented on the participant's CRF. The participant will not then be required to attend for a follow up visit unless deemed necessary in the opinion of the investigator (e.g. due to adverse event follow up).

研究类型

介入性

注册 (实际的)

21

阶段

  • 阶段1

联系人和位置

本节提供了进行研究的人员的详细联系信息，以及有关进行该研究的地点的信息。

学习地点

  • 英国
      • London、英国、SW10 9NH
        • Chelsea And Westminster Hospital NHS Foundation Trust

参与标准

研究人员寻找符合特定描述的人，称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。

资格标准

适合学习的年龄

18年 至 60年 (成人)

接受健康志愿者

不

有资格学习的性别

全部

描述

Inclusion Criteria:

  1. The ability to understand and sign a written informed consent form, prior to participation in any screening procedures and must be willing to comply with all study requirements
  2. Male or non-pregnant, non-lactating females.
  3. Between 18 to 60 years, inclusive
  4. Body Mass Index (BMI) of 18 to 35 kg/m2, inclusive (with weight ≥50kg).
  5. ALT, alkaline phosphatase and bilirubin ≤ 1.5xULN (isolated bilirubin >1.5xULN is acceptable if bilirubin is fractionated and direct bilirubin <35%). A single repeat is allowed for eligibility determination.

  6. Women of childbearing potential (WOCBP - definition in Appendix 4) must be using an adequate method of contraception to avoid pregnancy throughout the study and for a period of at least 3 months after the study.

    A female may be eligible to enter and participate in the study if she:

    1. 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,

    2. 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:
    3. Complete abstinence from penile-vaginal intercourse from 2 weeks prior to administration of IP, throughout the study, and for at least 4 weeks after discontinuation of all study medications; (when this is in line with the preferred and usual lifestyle of the subject.) (Periodic abstinence (e.g., calendar, ovulation, symptothermal, post-ovulation methods), and withdrawal are not acceptable methods of contraception].
    4. Any non-hormonal intrauterine device (IUD) with published data showing that the expected failure rate is <1% per year (not all IUDs meet this criterion, see protocol appendix 4 for an example listing of approved IUDs);
    5. Male partner sterilization confirmed prior to the female subject's entry into the study, and this male is the sole partner for that subject; Any contraception method must be used consistently, in accordance with the approved product label and for at least 4 weeks after discontinuation of IP.

  7. Men who have partners who are women of childbearing potential (WOCBP - definition in Appendix 4 must be using an adequate method of contraception to avoid pregnancy in their partner throughout the study and for a period of at least 4 weeks after the study (see inclusion criteria 6); True abstinence from penile-vaginal intercourse from 2 weeks prior to administration of IP, throughout the study, and for at least 4 weeks after discontinuation of all study medications (When this is in line with the preferred and usual lifestyle of the subject.) (Periodic abstinence (e.g., calendar, ovulation, symptothermal, post-ovulation methods), and withdrawal are not acceptable methods of contraception].

    Any non-hormonal 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; Any contraception method must be used consistently, in accordance with the approved product label and for at least four weeks after discontinuation of IMP.

  8. Willing to consent to their personal details being entered onto the TOPS database
  9. Willing to provide proof of identity by photographic ID at screen and any subsequent visit
  10. Registered with a GP in the UK

Exclusion Criteria:

  1. Any clinically significant acute or chronic medical illness
  2. Evidence of organ dysfunction or any clinically significant deviation from normal in physical examination, vital signs, ECG or clinical laboratory determinations
  3. Positive blood screen for hepatitis B surface antigen or C antibody
  4. Positive blood screen for HIV-1 or 2 by antibody/antigen assay
  5. Current or chronic history of liver disease, or known hepatic or biliary abnormalities (with the exception of Gilbert's syndrome or asymptomatic gallstones)
  6. History or presence of allergy to the study drugs and their components: tenofovir alafenamide fumarate, tenofovir disoproxil fumarate, emtricitabine or excipients, croscarmellose sodium, lactose monohydrate magnesium stearate (E572), microcrystalline cellulose (E460), starch pregelatinised, glycerol triacetate (E1518), hypromellose (E464), indigo carmine aluminium lake (E132), lactose monohydrate, titanium dioxide (E171), polyvinyl alcohol, macrogol 3350, talc, corn starch, magnesium stearate.
  7. Current or recent (within three months) gastrointestinal disease
  8. Clinically relevant alcohol or drug use (positive urine drug screen) or history of alcohol or drug use considered by the Investigator to be sufficient to hinder compliance with treatment, follow-up procedures or evaluation of adverse events. Smoking is permitted, but tobacco intake should remain consistent throughout the study
  9. Exposure to any investigational drug (or placebo) or participation in a clinical study involving the donation of blood samples within three months of first dose of study drug
  10. Use of any other drugs (unless approved by the Investigator), including over-the-counter medications and herbal preparations, within two weeks prior to first dose of study drug, unless approved/prescribed by the Principal Investigator as known not to interact with study drugs.
  11. Females of childbearing potential without the use of effective birth control methods, or not willing to continue practising these birth control methods for at least 4 weeks after the end of the treatment period.

学习计划

本节提供研究计划的详细信息，包括研究的设计方式和研究的衡量标准。

研究是如何设计的？

设计细节

  • 主要用途：卫生服务研究
  • 分配：非随机化
  • 介入模型：顺序分配
  • 屏蔽：单身的

武器和干预

参与者组/臂
干预/治疗
有源比较器：Descovy® (TAF/FTC)

ATC Code J05AR17. Pharmaceutical form (use standard terms): Film-Coated Tablet Specific paediatric formulation?: No. Maximum duration of treatment of a subject according to the protocol: 56 days.

Maximum dose allowed 200mg/25mg per day. Total dose 200/25mg. Oral Use.
药品：Descovy® (TAF/FTC)
25/200 mg once daily for 28 days (DAYS 1-28).
有源比较器：Viread® (TDF)

ATC Code J05AF07. Pharmaceutical form (use standard terms): Film-Coated Tablet. Specific paediatric formulation?: No. Maximum duration of treatment of a subject according to the protocol 28 days.

Maximum dose allowed: 245mg per day. Total dose: 245mg. Oral Use.
药品：Viread® (TDF)
245 mg once daily for 28 days (DAYS 57-84).
有源比较器：Rifadin® (Rifampicin)

ATC Code J0AB02 Pharmaceutical form (use standard terms): Capsule, Hard. Specific paediatric formulation?: No. Maximum duration of treatment of a subject according to the protocol 28 days.

Maximum dose allowed: 600mg per day. Total dose: 600mg. Oral Use.
药品：Rifadin® (Rifampicin)
600 mg once daily for 28 days (DAYS 29-56).

研究衡量的是什么？

主要结果指标

结果测量
措施说明
大体时间
Assess the pharmacokinetics of TAF/FTC and TDF alone and during co-administration of TAF/FTC with rifampicin, as measured by Ctrough.
大体时间：12 Weeks
Assess the pharmacokinetics of TAF, plasma tenofovir, intracellular tenofovir-diphosphate (TFV-DP), FTC, and emtricitabine tri-phosphate (FTC-TP), during administration of TAF/FTC and TDF alone and during co-administration of TAF/FTC with rifampicin, in HIV negative healthy volunteers, as measured by Ctrough. Trough concentration (Ctrough) is defined as the concentration at 24 hours after the observed drug dose.
12 Weeks
Assess the pharmacokinetics of TAF/FTC and TDF alone and during co-administration of TAF/FTC with rifampicin, as measured by Cmax.
大体时间：12 weeks
Assess the pharmacokinetics of TAF, plasma tenofovir, intracellular tenofovir-diphosphate (TFV-DP), FTC, and emtricitabine tri-phosphate (FTC-TP), during administration of TAF/FTC and TDF alone and during co-administration of TAF/FTC with rifampicin in HIV negative healthy volunteers, as measured by Cmax. Cmax is defined as the maximum observed plasma concentration.
12 weeks
Assess the pharmacokinetics of TAF/FTC and TDF alone and during co-administration of TAF/FTC with rifampicin, as measured by t1/2
大体时间：12 weeks
Assess the pharmacokinetics of TAF, plasma tenofovir, intracellular tenofovir-diphosphate (TFV-DP), FTC, and emtricitabine tri-phosphate (FTC-TP), during administration of TAF/FTC and TDF alone and during co-administration of TAF/FTC with rifampicin in HIV negative healthy volunteers, as measured by t1/2. t1/2 = Elimination half-life
12 weeks
Assess the pharmacokinetics of TAF/FTC and TDF alone and during co-administration of TAF/FTC with rifampicin, as measured by Tmax
大体时间：12 weeks
Assess the pharmacokinetics of TAF, plasma tenofovir, intracellular tenofovir-diphosphate (TFV-DP), FTC, and emtricitabine tri-phosphate (FTC-TP), during administration of TAF/FTC and TDF alone and during co-administration of TAF/FTC with rifampicin in HIV negative healthy volunteers, as measured by Tmax. Tmax = time point at Cmax
12 weeks
Assess the pharmacokinetics of TAF/FTC and TDF alone and during co-administration of TAF/FTC with rifampicin, as measured by total drug exposure
大体时间：12 weeks
Assess the pharmacokinetics of TAF, plasma tenofovir, intracellular tenofovir-diphosphate (TFV-DP), FTC, and emtricitabine tri-phosphate (FTC-TP), during administration of TAF/FTC and TDF alone and during co-administration of TAF/FTC with rifampicin in HIV negative healthy volunteers, as measured by total drug exposure. Total drug exposure is expressed as the area under the plasma concentration-time curve from 0-24 hours after dosing (AUC0-24h)
12 weeks

次要结果测量

结果测量
措施说明
大体时间
Assess the safety and tolerability of the studied drugs when co-administered to HIV negative healthy volunteers, assessed by The Division of AIDS Table for Grading the Severity of Adult and Pediatric Adverse Events
大体时间：12 Weeks
Studied drug: Descovy, Descovy/Rifadin, Viread.
12 Weeks
Exploratory: Investigate the association between genetic polymorphisms in drug disposition genes and drug exposure as measured by Peak plasma concentration (Cmax)
大体时间：12 Weeks
Investigate the association between genetic polymorphisms in drug disposition genes and drug exposure
12 Weeks
Exploratory: Investigate the association between genetic polymorphisms in drug disposition genes and drug exposure as measured by trough concentration (Ctrough)
大体时间：12 Weeks
Investigate the association between genetic polymorphisms in drug disposition genes and drug exposure
12 Weeks
Exploratory: Investigate the association between genetic polymorphisms in drug disposition genes and drug exposure as measured by by Area under the plasma concentration versus time curve (AUC)
大体时间：12 Weeks
Investigate the association between genetic polymorphisms in drug disposition genes and drug exposure
12 Weeks
Exploratory: the impact of antiretroviral drugs on platelet function
大体时间：12 Weeks
To look at platelet function during antiretroviral intake in HIV negative individuals who take part in clinical trials. Platelet aggregation response as a change in light transmission in a platelet aggregometer, will be measured. The data reported will be the maximal aggregation in response to agonist stimulation
12 Weeks

合作者和调查者

在这里您可以找到参与这项研究的人员和组织。

赞助

St. Stephens Clinical Research

调查人员

  • 首席研究员：Marta Boffito, MD MBBS、St Stephen's Clinical Research

研究记录日期

这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查，以确保它们在发布到公共网站之前符合特定的质量控制标准。

研究主要日期

学习开始 (实际的)

2017年6月1日

初级完成 (实际的)

2018年1月10日

研究完成 (实际的)

2018年1月10日

研究注册日期

首次提交

2017年4月12日

首先提交符合 QC 标准的

2017年6月12日

首次发布 (实际的)

2017年6月14日

研究记录更新

最后更新发布 (实际的)

2018年2月12日

上次提交的符合 QC 标准的更新

2018年2月9日

最后验证

2018年2月1日

更多信息

与本研究相关的术语

其他相关的 MeSH 术语

其他研究编号

  • SSCR101

计划个人参与者数据 (IPD)

计划共享个人参与者数据 (IPD)？

是的

IPD 计划说明

Only authorised representatives of the sponsor (such as monitors and auditors) and individuals who are authorised on the signature and delegation log will have access to the participants' personal data. This could typically be: doctors, nurses, pharmacists, laboratory staff and data manager within the Trust/Care organisation. It is also possible that the regulatory authorities may wish to access this data. The access given to participants' data is explained in the participant information sheet, so consent will have been given to these individuals outside the care organisation.

药物和器械信息、研究文件

研究美国 FDA 监管的药品

不

研究美国 FDA 监管的设备产品

不

此信息直接从 clinicaltrials.gov 网站检索，没有任何更改。如果您有任何更改、删除或更新研究详细信息的请求，请联系 register@clinicaltrials.gov. clinicaltrials.gov 上实施更改，我们的网站上也会自动更新.

艾滋病病毒的临床试验

Descovy® (TAF/FTC)的临床试验

搜索类似试验

赞助者和合作者

医疗条件

药物干预

CROs by country

CROs in Congo, DR of

条件

罕见疾病

药物干预

膳食补充剂

赞助者/合作者

地点

3
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