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  • Protocol of a drug-drug interaction study between bictegravir/emtricitabine/tenofovir alafenamide and feminizing hormones in trans women living with HIV.
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English
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No description defined
  • Protocol of a drug-drug interaction study between bictegravir/emtricitabine/tenofovir alafenamide and feminizing hormones in trans women living with HIV.

Statements

Protocol of a drug-drug interaction study between bictegravir/emtricitabine/tenofovir alafenamide and feminizing hormones in trans women living with HIV. (English)
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Trans/transfeminine women are disproportionally affected by HIV. (English)
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Concerns regarding negative drug-drug interactions (DDIs) between ART drugs and gender-affirming hormone therapy (GAHT), specifically feminizing hormone therapy (FHT), may contribute to the lower ART uptake by trans women with HIV compared with their cis counterparts. (English)
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The aim of this study is to investigate the bidirectional pharmacokinetic effects of components of FHT regimens (oral oestradiol and androgen-suppressing medications) with the ART regimen (bictegravir/emtricitabine/tenofovir alafenamide [B/F/TAF)]. (English)
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We present a protocol for a three-armed, parallel-group, longitudinal (6-month), DDI study. (English)
METHODS (English)
© 2024 The Author(s). British Journal of Clinical Pharmacology published by John Wiley & Sons Ltd on behalf of British Pharmacological Society. (English)
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Group 1 includes 15 3trans women with HIV taking FHT and ART; group 2 includes 15 premenopausal cis women with HIV taking ART; group 3 includes 15 trans women without HIV taking FHT. (English)
METHODS (English)
© 2024 The Author(s). British Journal of Clinical Pharmacology published by John Wiley & Sons Ltd on behalf of British Pharmacological Society. (English)
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Women with HIV must be on or switch to B/F/TAF at baseline and be virally suppressed for ≥3 months. (English)
METHODS (English)
© 2024 The Author(s). British Journal of Clinical Pharmacology published by John Wiley & Sons Ltd on behalf of British Pharmacological Society. (English)
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Trans women must be taking a stable regimen of ≥2 mg daily oral oestradiol and an anti-androgen (pharmaceutical, and/or surgical, and/or medical) for ≥3 months. (English)
METHODS (English)
© 2024 The Author(s). British Journal of Clinical Pharmacology published by John Wiley & Sons Ltd on behalf of British Pharmacological Society. (English)
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Plasma ART drug concentrations will be sampled at Month 2 and compared between groups 1 and 2. (English)
METHODS (English)
© 2024 The Author(s). British Journal of Clinical Pharmacology published by John Wiley & Sons Ltd on behalf of British Pharmacological Society. (English)
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Serum oestradiol concentrations will be sampled at baseline and Month 2 visits and compared between groups 1 and 3. (English)
METHODS (English)
© 2024 The Author(s). British Journal of Clinical Pharmacology published by John Wiley & Sons Ltd on behalf of British Pharmacological Society. (English)
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The primary outcomes are B/F/TAF pharmacokinetic parameters (C<sub>min</sub>, C<sub>max</sub> and AUC) and oestradiol concentrations (C<sub>min</sub>, C<sub>4h,</sub> C<sub>max</sub> and AUC) at month 2. (English)
METHODS (English)
© 2024 The Author(s). British Journal of Clinical Pharmacology published by John Wiley & Sons Ltd on behalf of British Pharmacological Society. (English)
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This study is of global importance as it provides critical information regarding safe coadministration of B/F/TAF and FHT, both of which are life-saving therapies for trans women with HIV. (English)
DISCUSSION (English)
© 2024 The Author(s). British Journal of Clinical Pharmacology published by John Wiley & Sons Ltd on behalf of British Pharmacological Society. (English)
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October 2024
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October 2024
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90
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10
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2349-2359
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2349
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2359
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