Search Abstracts Program


Session 71   Poster Presentations
Resistance to HIV-1 Protease Inhibitors
Tuesday 1:30 - 3:30 pm
Hall A
593SIV Protease Sequences in a RT/SHIV Background are Sensitive to HIV-1 Protease Inhibitors
E. Paintsil*, L.Alexander
Yale Univ, New Haven, CT
594Genotypic Basis of Variation in Protease Susceptibility in Primary HIV Infection Analyzed with Machine Learning
AJ Leigh Brown*1,2, SDW Frost2, B Good2, ES Daar3, V Simon4, M Markowitz4, AC Collier5, E Connick6, B Conway7, JB Margolick8, JP Routy9, J Corbeil2, N Hellmann10, DD Richman2, SJ Little2
1Univ of Edinburgh, Scotland; 2Univ of California at San Diego; 3Harbor-UCLA, Los Angeles, CA; 4Aaron Diamond AIDS Res Ctr, New York, NY; 5Univ of Washington, Seattle; 6Univ of Colorado, Denver; 7Univ of British Columbia, Vancouver, Canada; 8Johns Hopkins Univ, Baltimore, MD; 9McGill Univ Hlth Ctr, Montreal, Canada; and 10ViroLogic, San Francisco, CA
595Identification of the Minimal Conserved Structure of the HIV-protease under the Presence and Absence of Drug Pressure
F Ceccherini-Silberstein*1, A Bertoli2, F Forbici2, F Erba1, L Marcon3, S Aquaro1, C Balotta4, S Giannella2, R D'Arrigo2, MC Bellocchi2, C Gori2, MP Trotta2, A d'Arminio Monforte4, A Antinori2, CF Perno1,2
1Univ of Rome Tor Vergata, Italy; 2Inst Natl per le Malattie Infettive L Spallanzani, Rome, Italy; 3Univ of Padua, Italy; and 4Univ of Milan, Italy
596Baseline Phenotypic Suceptibility to Tipranavir/Ritonavir is Retained in Isolates from Patients with Multiple Protease Inhibitor Experience (BI 1182.52)
D Cooper*1, D Hall2, D Jayaweera3, S Moreno4, C Katlama5, S Schneider 6, L Minoli7, P Yeni8, R Steigbigel9, S McCallister2, V Kohlbrenner2, E Cuaresma2, J. Sabo2, D Mayers2
1St Vincent Hosp, Darlinghurst, Australia; 2Boehringer Ingelheim, Ridgefield, CT; 3Jackson Med Ctr, Miami FL; 4Hosp Ramón y Cajal, Madrid, Spain; 5Hosp de la Pitie Salpetriere, Paris, France; 6Living Hope Clin Trials, Long Beach, CA; 7Inst di Ricovero e Cura a Carattere Sci (IRCCS) Policlinico San Matteo, Pavia, Italy; 8Groupe Hosp Bichat-Claude Bernard, Paris, France; and 9Univ of New York at Stony Brook
597Emergence of Atazanavir Resistance and Maintenance of Susceptibility to Other PIs is Associated with an I50L Substitution in HIV Protease
R. Colonno*1, R. Rose1, C. Cianci1, G. Aldrovandi2, N. Parkin3, J. Friborg1
1Bristol-Myers Squibb, Wallingford, CT; 2Univ of Alabama at Birmingham; and 3ViroLogic, San Francisco, CA
598GW433908 in ART-naive Subjects: Absence of Resistance at 48 Weeks with Boosted Regimen and APV-like Resistance Profile with Unboosted Regimen
S. Macmanus1, P.Yates1, S. White2, N. Richards2, W. Snowden*1
1GlaxoSmithKline, Stevenage, UK and 2GlaxoSmithKline, Greenford, UK
599Impact of Amino-acid Insertions in HIV-1 p6 PTAP Region on the Virological Response to Amprenavir in the NARVAL Trial
S. Lastere*1, C. Dalban2, G. Collin1, D. Descamps1, P.M. Girard3, F. Clavel4, D. Costagliola2, F. Brun-Vezinet1
1Bichat-Claude Bernard Hosp, Paris, France; 2INSERM EMI0214, Paris, France; 3St Antoine Hosp, Paris, France; and 4INSERM U552, Paris, France
600Comparative Incidence and Temporal Accumulation of PI and NRTI Resistance in HIV-infected Subjects Receiving Lopinavir/Ritonavir or Nelfinavir as Initial Therapy
D. Kempf*, M. King, E. Bauer, J. Moseley, B. Bernstein, S. Brun, E. Sun
Abbott Labs, Abbott Park, IL
601Role of Resistance and Fitness in Driving the Evolution of the Protease in Patients Failing Treatment with Protease Inhibitors
C. Charpentier, D. Lecossier, F. Clavel, A. J. Hance*
INSERM U552, Hosp Bichat-Claude Bernard, Paris, France
602Mutation 36I of the Protease Region Before Starting Therapy Facilitates the Appearance of L90M in Patients Failing their First PI-HAART Regimen
CF Perno*1, A Cozzi-Lepri2, C Balotta3, F Forbici1, M Violin3, A De Luca4, S Rusconi3, G Ballardini5, E Petrelli6, E Tufo7, AN Phillips2, A d'Arminio-Monforte3
1Inst Natl per le Malattie Infettive L Spallanzani, Rome, Italy; 2Royal Free Univ Coll Med Sch, London, UK; 3Univ of Milan, Italy; 4Catholic Univ, Rome, Italy; 5St Maria delle Croci Hosp, Ravenna, Utaly; 6San Salvatore Hosp, Pesaro, Italy; and 7Hosp of Latina, Italy
603Determination of an Indinavir Susceptibility Cutoff for Indinavir-ritonavir Containing Regimens
J Szumiloski*1, H. Wilson1, R. Campo2, N. Miller2, H. Rice3, A. Zolopa3, D. Klein4, M. Horburg5, N. Hellmann6, M. Bates6, J. Condra1
1Merck Res Labs, West Point, PA; 2Univ of Miami, FL; 3Stanford Univ, Palo Alto, CA; 4Kaiser Permanente Med Ctr, Hayward, CA; 5Kaiser Permanente Med Ctr, Santa Clara, CA; and 6ViroLogic, San Francisco, CA
604Resistant-Repellant HIV-1 Protease Inhibitors: How They Work
J. Erickson*, S. Gulnik, A. Silva, M. Eissenstat
Sequoia Pharm, Inc, Gaithersburg, MD