JeffreyDavidKlausnerMD

Infectious Disease • Los Angeles, CA

Professor, Preventive Medicine, University of Southern California, Los Angeles, Keck School of Medicine

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Office
2001 N. Soto Street
3rd Floor
Los Angeles, CA 90033
Phone+1 415-876-8901

Fax+1 867-988-1407
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Education & Training

University of WashingtonFellowship, Infectious Disease, 1997 - 1998
NYU Grossman School of MedicineResidency, Internal Medicine, 1991 - 1994
Weill Cornell MedicineClass of 1991

Certifications & Licensure

FL State Medical License 2018 - 2026
CA State Medical License 1995 - 2025
MD State Medical License 2022 - 2024
TX State Medical License 2021 - 2024
WA State Medical License 1997 - 1999
NY State Medical License 1992 - 1994

Awards, Honors, & Recognition

CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2013

Clinical Trials

Evaluation of NAATs for Detection of C. Trachomatis and N. Gonorrhoeae From Pharynx, Rectum, Glans & Urethra of MSM Start of enrollment: 2005 Oct 01
Completed
Specialized Cognitive-Behavioral Counseling Intervention to Reduce HIV Transmission Risk Behavior in HIV-Infected Men Start of enrollment: 2005 Sep 01
Completed
Not Applicable
Efficacy of Doxycycline Prophylaxis to Reduce Syphilis in High-Risk, HIV-Positive MSM Start of enrollment: 2011 Sep 01
Completed
Not Applicable
Clinical Validation of a Molecular Test for Ciprofloxacin-Susceptibility in Neisseria Gonorrhoeae Start of enrollment: 2016 Oct 19
Completed
Not Applicable
Cefixime for Alternative Syphilis Treatment Start of enrollment: 2018 Sep 03
Completed
Phase 2
Clinical Study of STI Screening to Prevent Adverse Birth and New-born Outcomes Start of enrollment: 2021 Mar 29
Recruiting
Not Applicable
Cefixime Clinical Trial Start of enrollment: 2021 Jun 20
Recruiting
Phase 3
Roles: Contact, Principal Investigator
Linezolid for Syphilis Pilot Study Start of enrollment: 2023 Sep 28
Recruiting
Phase 2
Roles: Principal Investigator
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Publications & Presentations

PubMed

Repurposing antibiotics to treat syphilis.
Chrysovalantis Stafylis, Jeffrey D Klausner> ;The Lancet. Infectious Diseases. 2024 Apr 1
Using Machine Learning to Identify Predictors of Sexually Transmitted Infections Over Time Among Young People Living With or at Risk for HIV Who Participated in ATN Pr...
W Scott Comulada, Mary Jane Rotheram-Borus, Elizabeth Mayfield Arnold, Peter Norwood, Sung-Jae Lee, Manuel A Ocasio, Risa Flynn, Karin Nielsen-Saines, Robert Bolan, Je...> ;Sexually Transmitted Diseases. 2023 Nov 1
Approach to Managing Sex Partners of People with Sexually Transmitted Infections.
Emily Hansman, Jeffrey D Klausner> ;Infectious Disease Clinics of North America. 2023 Jun 1
1 citations
Whole-Genome Sequencing to Predict Antimicrobial Susceptibility Profiles in Neisseria gonorrhoeae.
Claire C Bristow, Tatum D Mortimer, Sheldon Morris, Yonatan H Grad, Olusegun O Soge, Erika Wakatake, Rushlenne Pascual, Sara McCurdy Murphy, Kyra E Fryling, Paul C Ada...> ;The Journal of Infectious Diseases. 2023 Apr 12
Coronavirus Disease 2019 Pandemic-Associated Declines and Subsequent Increases in Hepatitis C Virus Treatment Prescriptions in Los Angeles County.
Cassidy Hernandez-Tamayo, Dima M Qato, Mirna Ponce Jewell, Prabhu Gounder, Jeffrey D Klausner> ;Clinical Infectious Diseases. 2023 May 24
1 citations
Determining the screening frequency for sexually transmitted infections for people who use HIV pre-exposure prophylaxis: a systematic review and meta-analysis.
Cham-Mill Kim, Victor Zhao, Maeve Brito De Mello, Rachel Baggaley, Cheryl C Johnson, Erica Spielman, Christopher K Fairley, Lei Zhang, Henry de Vries, Jeffrey Klausner...> ;International Journal of Infectious Diseases. 2023 Apr 1
26 citations
A Position Statement on Mpox as a Sexually Transmitted Disease.
Lao-Tzu Allan-Blitz, Monica Gandhi, Paul Adamson, Ina Park, Gail Bolan, Jeffrey D Klausner> ;Clinical Infectious Diseases. 2023 Apr 17
1 citations
Usage and Awareness of Antiviral Medications for Coronavirus Disease 2019 (COVID-19) Among Individuals at Risk for Severe COVID-19, March 2021 to 1 August 2022.
Noah Kojima, Jeffrey D Klausner> ;Clinical Infectious Diseases. 2023 Feb 18
Pharyngeal Chlamydia trachomatis in Men Who Have Sex With Men in a Human Immunodeficiency Virus (HIV) Pre-exposure Prophylaxis Program in Hanoi, Vietnam.
Hao T M Bui, Paul C Adamson, Giang M Le, Jeffrey D Klausner> ;Clinical Infectious Diseases. 2022 Nov 30
Discrete Plasma Cytokine Profiles Among Pregnant Women in Botswana by Chlamydia trachomatis Infection, Human Immunodeficiency Virus Status, and Gestational Age.
Chibuzor M Babalola, Janet C Siebert, Suhas G Kallapur, Holden T Maecker, Yael Rosenberg-Hasson, Emily Hansman, Adriane Wynn, Aamirah Mussa, Rebecca Ryan, Selebaleng S...> ;The Journal of Infectious Diseases. 2022 Sep 28
Adverse Neonatal Outcomes Associated With Maternal Sexually Transmitted Infections From a Public Health Clinic Cohort in Southern Brazil.
Huan Vinh Dong, Mei Leng, Regis Kreitchmann, Jeffrey D Klausner, Karin Nielsen-Saines, Nava Yeganeh> ;Journal of the Pediatric Infectious Diseases Society. 2022 Jul 21
11 citations
Resistance-Guided Therapy for Neisseria gonorrhoeae.
Lao-Tzu Allan-Blitz, Paul C Adamson, Jeffrey D Klausner> ;Clinical Infectious Diseases. 2022 Oct 29
2 citations
A More Accurate Measurement of the Burden of Coronavirus Disease 2019 Hospitalizations.
Christina Vu, Eric S Kawaguchi, Cesar H Torres, Austin H Lee, Noah Wald-Dickler, Paul D Holtom, Chrysovalantis Stafylis, Jeffrey D Klausner, Saahir Khan> ;Open Forum Infectious Diseases. 2022 Jul 1
5 citations
Incidence of SARS-CoV-2 infection among previously infected or vaccinated employees.
N Kojima, A Roshani, M Brobeck, A Baca, J D Klausner> ;International Journal of Infectious Diseases. 2022 May 1
1 citations
Vaccinated Individuals With Prior COVID-19 Have Lower Risk of Incident SARS-CoV-2 Infection When Compared With Vaccinated Individuals Without Prior Infection.
N Kojima, A Roshani, A Baca, J D Klausner> ;Open Forum Infectious Diseases. 2022 May 1
10 citations
Controversies and evidence on Chlamydia testing and treatment in asymptomatic women and men who have sex with men: a narrative review.
Nicole H T M Dukers-Muijrers, Ymke J Evers, Christian J P A Hoebe, Petra F G Wolffs, Henry J C de Vries, Bernice Hoenderboom, Marianne A B van der Sande, Janneke Heijn...> ;BMC Infectious Diseases. 2022 Mar 14
4 citations
Evaluating the diagnosis and treatment of Chlamydia trachomatis and Neisseria gonorrhoeae in pregnant women to prevent adverse neonatal consequences in Gaborone, Botsw...
Adriane Wynn, Aamirah Mussa, Rebecca Ryan, Emily Hansman, Selebaleng Simon, Bame Bame, Badani Moreri-Ntshabele, Doreen Ramogola-Masire, Jeffrey D Klausner, Chelsea Mor...> ;BMC Infectious Diseases. 2022 Mar 7
29 citations
Fluvoxamine for the Early Treatment of SARS-CoV-2 Infection: A Review of Current Evidence.
Shelley N. Facente, Angela M. Reiersen, Eric J. Lenze, David R. Boulware, Jeffrey D. Klausner> ;Drugs. 2021 Dec 1
Characteristics of SARS-CoV-2 positive individuals in California from two periods during notable decline in incident infection.
Lao-Tzu Allan-Blitz, Isaac Turner, Fred Hertlein, Jeffrey D. Klausner> ;Health Science Reports. 2021 Dec 1
16 citations
Revisiting COVID-19 policies: 10 evidence-based recommendations for where to go from here.
Daniel T. Halperin, Norman Hearst, Stephen Hodgins, Robert C. Bailey, Jeffrey D. Klausner, Helen Jackson, Richard G. Wamai, Joseph A. Ladapo, Mead Over, Stefan Baral, ...> ;BMC Public Health. 2021 Nov 13
83 citations
Protective immunity after recovery from SARS-CoV-2 infection.
Noah Kojima, Jeffrey D. Klausner> ;The Lancet. Infectious Diseases. 2021 Nov 8
2 citations
Applying molecular algorithms to predict decreased susceptibility to ceftriaxone from a report of strains of Neisseria gonorrhoeae in Amsterdam, the Netherlands.
Eric Y Lin, Paul C Adamson, Jeffrey D. Klausner> ;The Journal of Antimicrobial Chemotherapy. 2021 Nov 6
2 citations
Diagnostic tests for detecting Chlamydia trachomatis and Neisseria gonorrhoeae in rectal and pharyngeal specimens.
Paul C Adamson, Jeffrey D. Klausner> ;Journal of Clinical Microbiology. 2021 Nov 3
1 citations
Legislation to Increase Accessibility to Direct-To-Consumer Tests in California.
Thuan-Huong Doan, Paul C Adamson, Jeffrey D. Klausner> ;Sexually Transmitted Diseases. 2021 Oct 13
6 citations
Using a public database of Neisseria gonorrhoeae genomes to detect mutations associated with zoliflodacin resistance.
Paul C Adamson, Eric Y Lin, Sung-Min Ha, Jeffrey D. Klausner> ;The Journal of Antimicrobial Chemotherapy. 2021 Oct 11
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Press Mentions

As the COVID-19 Health Emergency Ends, Experts Say a Less-Deadly Pandemic Likely in Next 25 YearsMay 22nd, 2023
As the COVID-19 Health Emergency Ends, Experts Say a Less-Deadly Pandemic Likely in Next 25 YearsMay 11th, 2023
Rise of Mpox Cases in Chicago Raises Concern About Possible Summer SpreadMay 8th, 2023
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Grant Support

Comprehensive STD Prevention ProjectsNational Center For Hiv, Viral Hepatitis, Stds And Tb Prevention2009
STD Surveillance Network (SSUN)National Center For Hiv, Viral Hepatitis, Stds And Tb Prevention2008–2009
Comprehensive STD Prevention Systems (CSPS)National Center For Hiv, Viral Hepatitis, Stds And Tb Prevention2007–2008