{"doi":"10.1093/infdis/jiae208","title":"Drug Concentrations in Hair and Dried Blood Spots as Preexposure Prophylaxis Adherence Metrics During Pregnancy and Postpartum","abstract":"We evaluated hair tenofovir (TFV) concentrations as an adherence metric for HIV preexposure prophylaxis during pregnancy and postpartum and compared hair levels with TFV-diphosphate levels in dried blood spots (DBSs). Overall 152 hair samples from 102 women and 36 hair-DBS paired samples from 29 women were collected from a subset of women in a cluster-randomized trial. Having a partner with HIV was associated with higher hair TFV levels (P < .001). Hair TFV concentrations were strongly correlated with DBS TFV-diphosphate levels (r = 0.76, P < .001), indicating hair as a promising cumulative adherence metric for perinatal preexposure prophylaxis assessment.","journal":"The Journal of Infectious Diseases","year":2024,"id":473342,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":1,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.8596,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2024-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":299054,"name":"John Kinuthia","orcid":"0000-0001-6571-8927","position":1,"is_corresponding":false},{"id":279022,"name":"Peter L. Anderson","orcid":"0000-0002-1200-8494","position":2,"is_corresponding":false},{"id":299060,"name":"Jared M. Baeten","orcid":"0000-0001-8242-8438","position":3,"is_corresponding":false},{"id":404956,"name":"Julia C. Dettinger","orcid":"0000-0002-9130-2666","position":4,"is_corresponding":false},{"id":241509,"name":"Monica Gandhi","orcid":"0000-0002-7025-1994","position":5,"is_corresponding":false},{"id":530819,"name":"Laurén Gómez","orcid":"0000-0003-2731-0781","position":6,"is_corresponding":false},{"id":299048,"name":"Grace John‐Stewart","orcid":"0000-0002-4301-1573","position":7,"is_corresponding":false},{"id":572941,"name":"Mary M. Marwa","orcid":"0000-0002-8767-1282","position":8,"is_corresponding":false},{"id":1060310,"name":"Nancy Ngumbau","orcid":"0000-0003-4176-5950","position":9,"is_corresponding":false},{"id":1274126,"name":"Felix Otieno","orcid":"0000-0003-0257-2160","position":10,"is_corresponding":false},{"id":1071366,"name":"Pascal Omondi","orcid":null,"position":11,"is_corresponding":false},{"id":1243082,"name":"Ben Odhiambo","orcid":"0000-0002-9802-1648","position":12,"is_corresponding":false},{"id":531894,"name":"Salphine Watoyi","orcid":"0000-0002-9085-1663","position":13,"is_corresponding":false},{"id":299045,"name":"Jillian Pintye","orcid":"0000-0003-1255-7191","position":14,"is_corresponding":false},{"id":1093258,"name":"Linxuan Wu","orcid":"0009-0006-7240-5412","position":0,"is_corresponding":true}],"reference_count":15,"raw_metadata":null,"created_at":"2026-07-19T02:06:01.000126Z","pmid":"38700101","pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}