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Safety and Efficacy of B/F/TAF in Pregnancy

2026年6月18日 更新者:Shi Zou

Effectiveness and Safety of Bictegravir/Emtricitabine/Tenofovir Alafenamide in Pregnant Women With HIV Infection(BIP STUDY).

This is a prospective, multicenter, observational study designed to evaluate the effectiveness and safety of Bictegravir/Emtricitabine/Tenofovir Alafenamide (B/F/TAF) in pregnant women living with HIV. Given the limited prospective data on B/F/TAF use during early pregnancy, this study aims to address the evidence gap by observing women who are on B/F/TAF for at least six months with sustained viral suppression (HIV RNA <50 copies/mL) and are within the first trimester. Participants will continue B/F/TAF throughout pregnancy and up to 12 weeks postpartum per routine clinical practice. No experimental intervention will be assigned. The primary objective is to assess the proportion of participants achieving HIV RNA <50 copies/mL at 12 12 weeks of pregnancy. Secondary objectives include maternal viral suppression at 28 weeks, delivery, and postpartum; safety and tolerability; maternal and neonatal outcomes including congenital anomalies, APGAR scores, infant HIV status, and growth parameters. The study will enroll at least 50 participants across five clinical centers in China. Findings will provide real-world evidence on the use of B/F/TAF as an alternative integrase inhibitor-based regimen for pregnant women with HIV.

調査の概要

状態

招待による登録

条件

介入・治療

詳細な説明

Statistical Methods Descriptive statistics will be used to summarize the data. Continuous variables will be presented as means with standard deviations and medians with interquartile ranges, depending on the distribution of the data. Categorical variables will be described by their frequency distribution and ranges (Two-sided 95% confidence).

Efficacy:

The proportion of participants with plasma HIV RNA <50 copies/mL at the time of delivery will be summarized using the missing = excluded approach for imputing missing HIV RNA values.

Safety:

The adverse events (AE) data will be listed by subject. Treatment-emergent AEs, Grade 1-4 AEs will be summarized by system organ class, and preferred term using the current version of the Medical Dictionary for Regulatory Activities (MedDRA), and graded according to the DIADS Table for Grading the Severity of Adult and Pediatric Adverse Events .

Listings of individual subject vital signs, 12-lead ECG parameters, and laboratory results will be provided. Laboratory abnormalities will be graded for severity using the DAIDS Table for Grading the Severity of Adult and Pediatric Adverse Events. Laboratory results and changes from baseline for vital signs and selected lab tests will be summarized at scheduled visits. The incidence and grade of treatment-emergent laboratory abnormalities will be summarized accordingly.

Maternal/neonatal outcomes analysis Proportion of infants with confirmed negative or positive HIV RNA testing will be summarized using the missing = excluded approach for imputing missing HIV RNA values.

Proportion of live births, stillbirths, and pregnancy loss will be summarized. APGAR scores will be summarized. Adverse events and toxicity management

Definitions of Adverse Events, Adverse Reactions, and Serious Adverse Events:

Adverse Events An AE is any untoward medical occurrence in a clinical study subject administered a pharmaceutical product, which does not necessarily have a causal relationship with the treatment. An AE can therefore be any unfavorable and/or unintended sign, symptom, or disease temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. AEs may also include lack of efficacy, overdose, drug abuse/misuse reports, or occupational exposure.

研究の種類

観察的

入学 (推定)

50

連絡先と場所

このセクションには、調査を実施する担当者の連絡先の詳細と、この調査が実施されている場所に関する情報が記載されています。

研究場所

    • Hubei
      • Wuhan、Hubei、中国、430071
        • Zhongnan Hospital of Wuhan University

参加基準

研究者は、適格基準と呼ばれる特定の説明に適合する人を探します。これらの基準のいくつかの例は、人の一般的な健康状態または以前の治療です。

適格基準

就学可能な年齢

  • 大人
  • 高齢者

健康ボランティアの受け入れ

いいえ

サンプリング方法

非確率サンプル

調査対象母集団

Pregnant women with HIV who receiving B/F/TAF for at least 6 months, virus suppressed (VS) for more than 6 months and who are in first trimester.

説明

Inclusion Criteria:

  1. Women with aged 18 years or older and confirmed HIV infection.
  2. Currently on B/F/TAF for 6 months preceding the screening visit.
  3. Documented plasma HIV RNA<50 copies/mL for 6 months preceding the screening visit and have HIV RNA<50 copies/mL at the screening visit.
  4. Women within 12 weeks of pregnancy at the time of screening.
  5. The ability to understand and sign a written informed consent form, which must be obtained prior to initiation of study procedures.

Exclusion Criteria:

  1. Have active hepatitis C virus (HCV) infection.
  2. An opportunistic illness indicative of stage 3 HIV diagnosed within the 30 days prior to screening.
  3. Other clinical scenarios that are no longer suitable for B/F/TAF therapy (Such as electrocardiogram, liver and kidney dysfunction, opportunistic infection and so on).

研究計画

このセクションでは、研究がどのように設計され、研究が何を測定しているかなど、研究計画の詳細を提供します。

研究はどのように設計されていますか?

デザインの詳細

コホートと介入

グループ/コホート
介入・治療
B/F/TAF
Pregnant women who will be exposed to B/F/TAF in the first trimester.
Participants who are on B/F/TAF for at least 6 months, virus suppressed (VS) for more than 6 months and who are in first trimester

この研究は何を測定していますか?

主要な結果の測定

結果測定
メジャーの説明
時間枠
Proportion of Participants with HIV RNA <50 Copies/mL at 12 Weeks of Pregnancy
時間枠:12 weeks of pregnancy.
The proportion is calculated using the Missing=Excluded approach (participants with missing HIV RNA values at the 12-week time point are excluded from both numerator and denominator).
12 weeks of pregnancy.

二次結果の測定

結果測定
メジャーの説明
時間枠
Maternal Plasma HIV RNA Level
時間枠:28 weeks of pregnancy, at delivery, and 2-12 weeks postpartum
HIV RNA levels are measured in copies/mL. Descriptive statistics (geometric mean, median, and interquartile range) will be reported at each specified time point.
28 weeks of pregnancy, at delivery, and 2-12 weeks postpartum
Number of Participants with Treatment-Emergent Grade 3 or 4 Adverse Events
時間枠:From enrollment through 12 weeks postpartum
Adverse events are graded according to the DAIDS Table for Grading the Severity of Adult and Pediatric Adverse Events. Only events that are treatment-emergent (occurring or worsening after study drug initiation) and of Grade 3 or 4 severity are reported.
From enrollment through 12 weeks postpartum
Occurrence of Congenital Anomalies
時間枠:From birth through 12 weeks postpartum
Congenital anomalies are identified through prenatal ultrasound examinations, prenatal diagnostics (e.g., amniocentesis with genetic/epigenetic testing), and postnatal physical examination. Each anomaly is reported as a separate event.
From birth through 12 weeks postpartum
Pregnancy Outcome: Live Birth vs. Fetal Loss/Stillbirth
時間枠:At delivery
Pregnancy outcomes are categorized as live birth, fetal loss (spontaneous abortion <20 weeks), or stillbirth (fetal death ≥20 weeks). The proportion of each category will be reported.
At delivery
Infant APGAR Score
時間枠:At 1 minute and 5 minutes after delivery
APGAR score is assessed at 1 and 5 minutes post-delivery. Scores range from 0 to 10, with higher scores indicating better condition. If asphyxia is present, an additional assessment is performed at 10 minutes. Descriptive statistics (mean, standard deviation, median, range) will be reported for each time point.
At 1 minute and 5 minutes after delivery
Number of Infants with Confirmed Positive HIV RNA Test Result
時間枠:From birth through 12 weeks of age
HIV RNA testing is performed at birth, 6 weeks of age, and 12 weeks of age. A confirmed positive result requires two consecutive positive tests. Infants with negative or indeterminate results at all time points are considered uninfected.
From birth through 12 weeks of age
Infant Weight
時間枠:At delivery
Infant weight is measured in grams at the time of delivery. Descriptive statistics (mean, standard deviation, median, range) will be reported.
At delivery
Infant Length
時間枠:At delivery
Infant length is measured in centimeters at the time of delivery. Descriptive statistics (mean, standard deviation, median, range) will be reported.
At delivery
Results of Neonatal Cardiac Ultrasound
時間枠:At delivery
Cardiac ultrasound is performed on the neonate at delivery. Findings are categorized as normal, abnormal-minor finding not requiring intervention, or abnormal-major finding requiring further evaluation or intervention. The number and proportion of infants in each category will be reported.
At delivery

協力者と研究者

ここでは、この調査に関係する人々や組織を見つけることができます。

スポンサー

研究記録日

これらの日付は、ClinicalTrials.gov への研究記録と要約結果の提出の進捗状況を追跡します。研究記録と報告された結果は、国立医学図書館 (NLM) によって審査され、公開 Web サイトに掲載される前に、特定の品質管理基準を満たしていることが確認されます。

主要日程の研究

研究開始 (実際)

2026年2月9日

一次修了 (推定)

2026年12月31日

研究の完了 (推定)

2027年6月30日

試験登録日

最初に提出

2026年6月9日

QC基準を満たした最初の提出物

2026年6月18日

最初の投稿 (実際)

2026年6月24日

学習記録の更新

投稿された最後の更新 (実際)

2026年6月24日

QC基準を満たした最後の更新が送信されました

2026年6月18日

最終確認日

2026年6月1日

詳しくは

本研究に関する用語

キーワード

その他の研究ID番号

  • CO-US-380-7588

個々の参加者データ (IPD) の計画

個々の参加者データ (IPD) を共有する予定はありますか?

いいえ

医薬品およびデバイス情報、研究文書

米国FDA規制医薬品の研究

はい

米国FDA規制機器製品の研究

いいえ

米国で製造され、米国から輸出された製品。

はい

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