By Dr Krista Siefried

Journal articles

Aung HL; Siefried KJ; Gates TM; Brew BJ; Mao L; Carr A; Cysique LA, 2023, 'Meaningful cognitive decline is uncommon in virally suppressed HIV, but sustained impairment, subtle decline and abnormal cognitive aging are not', Eclinicalmedicine, 56, pp. 101792, http://dx.doi.org/10.1016/j.eclinm.2022.101792

Siefried KJ; Freeman G; Roberts DM; Lindsey R; Rodgers C; Ezard N; Brett J, 2023, 'Inpatient GHB withdrawal management in an inner-city hospital in Sydney, Australia: a retrospective medical record review', Psychopharmacology, 240, pp. 127 - 135, http://dx.doi.org/10.1007/s00213-022-06283-6

Freeman G; Siefried KJ; Roberts DM; Rodgers C; Nic Ionmhain U; Ramanathan J; Ezard N; Brett J, 2023, 'Phenobarbital to manage severe gamma-hydroxybutyrate withdrawal: A case series', Drug and Alcohol Review, 42, pp. 27 - 32, http://dx.doi.org/10.1111/dar.13556

Acheson LS; Ezard N; Lintzeris N; Dunlop A; Brett J; Rodgers C; Gill A; Christmass M; McKetin R; Farrell M; Shoptaw S; Siefried KJ, 2022, 'Lisdexamfetamine for the treatment of acute methamphetamine withdrawal: A pilot feasibility and safety trial', Drug and Alcohol Dependence, 241, http://dx.doi.org/10.1016/j.drugalcdep.2022.109692

Freestone J; Bourne A; Layard E; Prestage G; Murray J; Siefried KJ, 2022, 'Playing at the edges, navigating sexual boundaries, and narrating sexual distress; Practices and perspectives of sexuality and gender diverse people who use GHB', International Journal of Drug Policy, 108, http://dx.doi.org/10.1016/j.drugpo.2022.103811

Acheson LS; Ezard N; Lintzeris N; Dunlop A; Brett J; Rodgers C; Gill A; Christmass M; McKetin R; Farrell M; Shoptaw S; Siefried KJ, 2022, 'Trial protocol of an open label pilot study of lisdexamfetamine for the treatment of acute methamphetamine withdrawal', Plos One, 17, pp. e0275371, http://dx.doi.org/10.1371/journal.pone.0275371

Page R; Healey A; Siefried KJ; Harrod ME; Franklin E; Peacock A; Barratt MJ; Brett J; Peacock A, 2022, 'Barriers to help-seeking among music festival attendees in New South Wales, Australia', Drug and Alcohol Review, 41, pp. 1322 - 1330, http://dx.doi.org/10.1111/dar.13479

Freestone J; Prestage G; Bourne A; Ezard N; Race K; Nedanoski A; Murray J; Siefried KJ, 2022, 'Controlling for pleasure and risk: The experiences of sexuality and gender diverse people who use GHB', International Journal of Drug Policy, 105, pp. 103747, http://dx.doi.org/10.1016/j.drugpo.2022.103747

Freestone J; Siefried KJ; Prestage G; Hammoud M; Molyneux A; Bourne A, 2022, 'Individual level peer interventions for gay and bisexual men who have sex with men between 2000 and 2020: A scoping review', PLoS ONE, 17, http://dx.doi.org/10.1371/journal.pone.0270649

Siefried KJ; Ezard N; Christmass M; Haber P; Ali R, 2022, 'A clinical research priority setting study for issues related to the use of methamphetamine and emerging drugs of concern in Australia', Drug and Alcohol Review, 41, pp. 309 - 319, http://dx.doi.org/10.1111/dar.13350

Healey A; Siefried KJ; Harrod ME; Franklin E; Peacock A; Barratt MJ; Brett J; Peacock A, 2022, 'Correlates of higher-risk drug-related behaviours at music festivals in New South Wales, Australia', Drug and Alcohol Review, 41, pp. 320 - 329, http://dx.doi.org/10.1111/dar.13404

Acheson LS; Williams BH; Farrell M; McKetin R; Ezard N; Siefried KJ, 2022, 'Pharmacological treatment for methamphetamine withdrawal: A systematic review and meta-analysis of randomised controlled trials', Drug and Alcohol Review, http://dx.doi.org/10.1111/dar.13511

Brett J; Siefried KJ; Healey A; Harrod ME; Franklin E; Barratt MJ; Masters J; Nguyen L; Adiraju S; Gerber C, 2022, 'Wastewater analysis for psychoactive substances at music festivals across New South Wales, Australia in 2019–2020', Clinical Toxicology, 60, pp. 440 - 445, http://dx.doi.org/10.1080/15563650.2021.1979233

Acheson LS; Siefried KJ; Clifford B; Murray E; Steele M; Clague L; Malone V; Roberts DM; Ferguson LJ; Matthews GV; Ezard N, 2021, 'One-third of people who inject drugs are at risk of incomplete treatment for Staphylococcus aureus bacteraemia: a retrospective medical record review', International Journal of Infectious Diseases, 112, pp. 63 - 65, http://dx.doi.org/10.1016/j.ijid.2021.09.012

Lee E; Mao L; de Wit J; Rule J; Carr A; Siefried KJ, 2021, 'Impact of the removal of patient co-payments for antiretroviral therapy (ART) on out-of-pocket expenditure, adherence and virological failure among Australian adults living with HIV', HEALTH POLICY, 125, pp. 1131 - 1139, http://dx.doi.org/10.1016/j.healthpol.2021.07.002

Ezard N; Clifford B; Dunlop A; Bruno R; Carr A; Liu Z; Siefried KJ; Lintzeris N, 2021, 'Safety and tolerability of oral lisdexamfetamine in adults with methamphetamine dependence: A phase-2 dose-escalation study', BMJ Open, 11, pp. e044696, http://dx.doi.org/10.1136/bmjopen-2020-044696

Siefried KJ; Acheson LS; Lintzeris N; Ezard N, 2020, 'Pharmacological treatment of methamphetamine/amphetamine dependence: a systematic review', CNS Drugs, 34, pp. 337 - 365, http://dx.doi.org/10.1007/s40263-020-00711-x

Siefried KJ; Kerr S; Richardson R; Mao L; Rule J; McAllister J; De Wit J; Carr A, 2019, 'Socioeconomic and psychosocial factors are associated with poor treatment outcomes in Australian adults living with HIV: A case-control study', Sexual Health, 16, pp. 548 - 553, http://dx.doi.org/10.1071/SH18138

Siefried KJ; Mao L; Cysique LA; Rule J; Giles ML; Smith DE; McMahon J; Read TR; Ooi C; Tee BK; Bloch M; De Wit J; Carr A, 2018, 'Concomitant medication polypharmacy, interactions and imperfect adherence are common in Australian adults on suppressive antiretroviral therapy', AIDS, 32, pp. 35 - 48, http://dx.doi.org/10.1097/QAD.0000000000001685

Siefried KJ; Mao L; Kerr S; Cysique LA; Gates TM; McAllister J; Maynard A; De Wit J; Carr A, 2017, 'Socioeconomic factors explain suboptimal adherence to antiretroviral therapy among HIV-infected Australian adults with viral suppression', Plos One, 12, pp. e0174613, http://dx.doi.org/10.1371/journal.pone.0174613

Gates TM; Cysique LA; Siefried KJ; Chaganti J; Moffat KJ; Brew BJ, 2016, 'Maraviroc-intensified combined antiretroviral therapy improves cognition in virally suppressed HIV-associated neurocognitive disorder', AIDS, 30, pp. 591 - 600, http://dx.doi.org/10.1097/QAD.0000000000000951

Lu GM; Brew BJ; Siefried KJ; Draper B; Cysique LA, 2014, 'Is the HIV dementia scale a reliable tool for assessing HIV-relatedneurocognitive decline?', Journal of AIDS and Clinical Research, 5, http://dx.doi.org/10.4172/2155-6113.1000269

Conference Papers

Siefried K; Smith JL; Harvey CA; Nedanoski A; Brown JA; Cullinan U; Ezard N; Jiranantakan T; Roberts D; Brett J, 2025, 'GHB in New South Wales-a triangulation of three administrative datasets', in TOXICOLOGY COMMUNICATIONS, TAYLOR & FRANCIS LTD

Clifford B; Acheson LS; Brener L; Siefried KJ; Steele M; Matthews G; Ezard N, 2022, 'A qualitative exploration of client and healthcare provider perspectives on why people who inject drugs with injecting-related infections discharge against medical advice', in DRUG AND ALCOHOL REVIEW, WILEY, pp. S43 - S44, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000862018700077&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1

Black E; Mammen K; Deacon RM; Mills L; Montebello M; Bruno R; Dunlop AJ; Ezard N; Shakeshaft A; Farrell M; Holmes J; Reid D; Childs S; Siefried KJ; Lintzeris N, 2022, 'Clients entering New South Wales alcohol and other drug treatment services: Characteristics by principal drug of concern, July 2016-June 2019', in DRUG AND ALCOHOL REVIEW, WILEY, pp. S31 - S32, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000862018700056&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1

Siefried KJ; Mao L; Riches R; Kerr S; Rule J; McAllister J; de Wit J; Carr A, 2017, 'Failure of antiretroviral therapy (ART) in Australian adults is mainly due to ART toxicity', in Antiviral Therapy, International Medical Press, Milan, Italy, presented at The 19th International Workshop on Co-morbidities and Adverse Drug Reaction in HIV, Milan, Italy, 23 October 2017 - 25 October 2017, http://dx.doi.org/10.26190/unsworks/27395

Siefried KJ; Mao L; Cysique LA; Rule J; Giles ML; Smith DE; McMahon J; Read TR; Ooi C; Tee BK; Bloch M; de Wit J; Carr A, 2017, 'Polypharmacy of concomitant medications in HIV-infected Australian adults is common, and associated with adverse effects', in Antiviral Therapy, International Medical Press, Milan, Italy, presented at The 19th International Workshop on Co-morbidities and Adverse Drug Reaction in HIV, Milan, Italy, 23 October 2017 - 25 October 2017, http://dx.doi.org/10.26190/unsworks/27403

Siefried KJ; Mao L; Richardson R; Kerr S; Rule J; McAllister J; de Wit J; Carr A, 2017, 'Socioeconomic and psychosocial factors are associated with suboptimal outcomes in HIV-infected adults: a case-control analysis', in Antiviral Therapy, International Medical Press, Milan, Italy, presented at The 19th International Workshop on Co-morbidities and Adverse Drug Reaction in HIV, Milan, Italy, 23 October 2017 - 25 October 2017, http://dx.doi.org/10.26190/unsworks/27399

Siefried KJ; Mao L; Kerr S; Gates T; Maynard A; Cysique LA; McAllister J; de Wit J; Carr A, 2016, 'Concomitant medication use in ART-experienced Australian adults: data from the PAART study', in Antiviral Therapy, International Medical Press, New York City, USA, presented at The 18th International Workshop on Co-morbidities and Adverse Drug Reactions in HIV, New York City, USA, 12 September 2016 - 13 September 2016

Lu G; Brew B; Siefried K; Draper B; Cysique L, 2013, 'Moderate neurocognitive decline can be detected over a four-month period using the HIV-dementia scale', in JOURNAL OF NEUROVIROLOGY, SPRINGER, DC, Washington, pp. S51 - S51, presented at 12th International Symposium on NeuroVirology, DC, Washington, 29 October 2013 - 02 November 2013, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000325777200107&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1

Conference Posters

Acheson L; Siefried K; Clifford B; Moller C; Brett J; Christmass M; Dunlop A; Haber P; Jutras-Aswad D; Lintzeris N; Morley K; Shoptaw S; Trivedi M; Ezard N, 2025, 'Daily smartphone assessments for substance use measurement in a methamphetamine clinical trial', New Orleans, USA, presented at The 87th Annual Scientific Meeting of the College on Problems of Drug Dependence (CPDD), New Orleans, USA, 14 June 2025 - 18 June 2025

Fletcher K; Ezard N; Siefried K; MacDonald H; Acheson L; Bedi G; Guerin A; Knock E; Millard M; May R; Brett J; Doumany J; Morgan C; Clifford B, 2024, 'An open-label safety and feasibility pilot trial of ketamine-assisted psychotherapy for methamphetamine use disorder', Canberra, Australia, presented at Australasian Professional Society on Alcohol and other Drugs (APSAD) Scientific Conference 2024, Canberra, Australia, 30 October 2024 - 02 November 2024, http://dx.doi.org/10.1111/dar.13943

Budebes M; Clifford B; Siefried K, 2024, 'The GHB cultures, experiences and practices quantitative study', Canberra, Australia, presented at Australasian Professional Society on Alcohol and other Drugs (APSAD) Scientific Conference 2024, Canberra, Australia, 30 October 2024 - 02 November 2024, http://dx.doi.org/10.1111/dar.13943

van der Helder S, 2024, 'Exploring the perceived usefulness of integration support after naturalistic psychedelic experiences in people concerned about their substance use: a survey', Wesley Conference Centre, Sydney NSW, presented at 2024 NDARC Annual Research Symposium, Wesley Conference Centre, Sydney NSW, 20 September 2024

Buhagiar K; Brett J; Siefried K, 2023, 'GHB Cultures, practices, and experiences: A qualitative study exploring diverse cultures, practices and experiences of GHB use among cisgender or transgender people who identify as heterosexual and live in Australia', Melbourne, Australia, presented at Harm Reduction International, Melbourne, Australia, 16 April 2023 - 20 April 2023, https://hr23.hri.global/programme/

McVinish A; Steele M; McIver R; Latimer J; Clifford B; Siefried K, 2023, 'Help wanted: Recruiting and leading nurses in the setup of Australia’s first supervised injectable opioid treatment clinic', Melbourne, Australia, presented at Harm Reduction International, Melbourne, Australia, 16 April 2023 - 19 April 2023, https://hr23.hri.global/programme/

Acheson L; Ezard N; Lintzeris N; Dunlop A; Brett J; Rodgers C; Gill A; Christmass M; McKetin R; Farrell M; Shoptaw S; Siefried K, 2022, 'The Safety and Feasibility of Lisdexamfetamine for the Treatment of Acute Methamphetamine Withdrawal: Preliminary Results of an Open Label Pilot Study', Minneapolis, USA, presented at The College on Problems of Drug Dependence 84th Annual Scientific Meeting, Minneapolis, USA, 11 June 2022 - 15 June 2022, https://d2p55c5k0gw6a2.cloudfront.net/wp-content/uploads/2022/07/2022-CPDD-Abstract-Book.pdf

Aung HL; Gates TM; Mao L; Brew B; Siefried K; Carr A; Cysique L, 2022, 'Clinically significant cognitive decline is uncommon in virally suppressed HIV. However, there was a signal for abnormal aging and complex impact of psychosocial and socio-economic factors on longitudinal cognitive performance', Virtual, presented at Conference on Retroviruses and Opportunistic Infections, Virtual, 14 February 2022 - 16 February 2022

Siefried K; Acheson L; Dunlop A; Lintzeris N; Christmass M; Bonomo Y; Arunogiri S; Hayllar J; Ezard N, 2021, 'A clinical research network approach to a trial of lisdexamfetamine for the treatment of acute methamphetamine withdrawal', Virtual, Vol. 40, pp. S132 - S133, presented at The APSAD Scientific Drug and Alcohol Conference, Virtual, 07 November 2021 - 10 November 2021, http://dx.doi.org/10.1111/dar.13384

Siefried K; Ezard N; Christmass M; Hayllar J; Ali R, 2021, 'Towards an Australian clinical research network for methamphetamine and emerging drugs - outcomes of the National Centre for Clinical Research on Emerging Drugs Methamphetamine and Emerging Drugs Clinical Research Network Working Group', Virtual, Vol. 40, pp. S133 - S134, presented at The APSAD Scientific Drug and Alcohol Conference, Virtual, 07 November 2021 - 10 November 2021, http://dx.doi.org/10.1111/dar.13384

Acheson L; Williams BHM; Farrell M; McKetin R; Ezard N; Siefried K, 2021, 'Pharmacological treatment for methamphetamine withdrawal: a systematic review and meta-analysis of randomised controlled trials', Virtual, presented at The APSAD Scientific Drug and Alcohol Conference, Virtual, 07 November 2021 - 10 November 2021, http://dx.doi.org/10.1111/dar.13384

Black E; Deacon RM; Mills L; Mammen K; Dunlop A; Ezard N; Montebello M; Bruno R; Shakeshaft A; Farrell M; Holmes J; Reid D; Childs S; Siefried K; Cretikos M; Lintzeris N, 2021, 'Starting treatment in public drug and alcohol services in New South Wales: What can electronic medical records tell us about amphetamine type stimulant use?', Virtual, presented at The APSAD Scientific Drug and Alcohol Conference, Virtual, 07 November 2021 - 10 November 2021, http://dx.doi.org/10.1111/dar.13384

May R; Ezard N; Siefried K; Bruno R, 2021, 'Neurocognitive changes in adults with methamphetamine dependence treated with lisdexamfetamine compared with those with additional positive screening for childhood ADHD', presented at International Medicine in Addiction Conference, 26 February 2021 - 28 February 2021

Carr M; Martin SJ; Foster R; Finlayson R; Rule J; Smith DE; de Wit J; Carr A; Siefried KJ, 2019, 'STI incidence and risk factors in HIV-infected adults on antiretrovrial therapy (ART) in the PAART study', Perth, Australia, presented at Joint Australasian Sexual Health and HIV&AIDS Conference, Perth, Australia, 16 September 2019 - 19 September 2019

Ezard N; Dunlop AJ; Clifford B; Bruno R; Siefried KJ; Carr A; Lintzeris N, 2019, 'Safety of oral lisdexamfetamine in adults with methamphetamine dependence: a dose-escalating phase-2 study', San Antonio, Texas, USA, presented at The College on Problems of Drug Dependence 81st Annual Scientific Meeting, San Antonio, Texas, USA, 15 June 2019 - 19 July 2019

Ezard N; Siefried KJ; Peacock A, 2019, 'Developing a national prompt response network for Australia', Amsterdam, The Netherlands, presented at The 11th International Conference on Nightlife, Substance Use and Related Health Issues, Amsterdam, The Netherlands, 15 May 2019 - 17 May 2019

Siefried KJ; Peacock A; Ezard N, 2019, 'Towards a prompt response network for Australia: coordinated and rapid communication of information about events of concerns related to emerging substances', Maastricht, The Netherlands, presented at Sixth International Conference on Novel Psychoactive Substances, Maastricht, The Netherlands, 08 April 2019 - 09 April 2019

Siefried KJ; Mao L; Riches S; Kerr S; Rule J; de Wit J; Carr A, 2018, 'Failure of antiretroviral therapy (ART) in adults in Australia is mainly due to ART toxicity (an updated report with predictors of ART failure)', Sydney, Australia, presented at The Australasian HIV&AIDS Conference, Sydney, Australia, 24 September 2018 - 26 September 2018

Siefried KJ; Mao L; Riches S; Kerr S; Rule J; McAllister J; de Wit J; Carr A, 2018, 'Failure of antiretroviral therapy (ART) in adults in Australia is mainly due to ART toxicity (updated report with predictors of ART failure)', Amsterdam, the Netherlands, presented at 22nd International AIDS Conference, Amsterdam, the Netherlands, 23 July 2018 - 27 July 2018

Siefried KJ; Mao L; Rule J; de Wit J; Carr A, 2018, 'Hospitalisations over a year follow-up in a cohort of adults living with HIV with sustained viral suppression in Australia', Amsterdam, the Netherlands, presented at 22nd International AIDS Conference, Amsterdam, the Netherlands, 23 July 2018 - 27 July 2018

Back to profile page