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Bio-K+® to improve health of HIV patients on HAART A safe and effective solution 1 6TH IAS CONFERENCE ON HIV PATHOGENESIS, TREATMENT AND PREVENTION NAPWA Treatment Horizons Satellite Symposium JULY, 17-20 2011; ROME, ITALY MATHIEU MILLETTE, PH.D. DIRECTOR OF FUNDAMENTAL RESEARCH, BIO-K PLUS INTERNATIONAL INC INVITED PROFESSOR, INRS-INSTITUT ARMAND-FRAPPIER 2011 Bacterial diarrhea in HIV-infected patients 2 Number of patients in cohort 44,778 Duration of follow up (mean) 2.6 years Diarrheal disease 11,320 Bacterial pathogen 1320 (10%) Etiologic agent Clostridium difficile 598 (54%) Shigella 156 (14%) Campylobacter jejuni 154 (14%) Salmonella 82 (7%) Staphylococcus aureus 43 (4%) Mycobacterium avium complex 22 (2%) Sanchez et al. 2005. Bacterial diarrhea in persons with HIV infection, United States, 1992-2002. Clin. Infect. Dis. 41:1621-1627. HIV enteropathy 3 50% HIV-infected patients develop GI symptoms and almost 100% present GI complications Diarrhea Intestinal permeability Malabsorption Villous atrophy Abdominal pain Weight loss Dysphagia Odynophagia Opportunistic GI infections by: Protozoans (Cryptosporidium, Giardia, Isospora...) Fungi (Cryptococcus, Candida, Histoplasma,...) Bacteria (Mycobacterium avium-intracellulare, Salmonella, Shigella, Clostridium difficile,...) Virus (Cytomegalovirus, Herpesvirus) Montessori et al. 2004. CMAJ. 170(2):229-238. Bhaijee et al. 2011. Human immunodeficiency virus-associated gastrointestinal disease: common endoscopic biopsy diagnoses. Patholog. Res. Int. 2011:247923 HIV-associated insult to GI tract integrity 4 Brenchley and Douek. 2008. HIV infection and the gastrointestinal immune response. Muc. Immunol. 1:23-30 Bio-K+® treating GI SAEs in HIV-infected patients 5 1- Hummelen et al. 2010. Altered host-microbe interaction in HIV: a target for intervention with pro- and prebiotics. Int. Rev. Immunol. 29:485-513. Bio-K+® probiotic formula 6 Probiotics are strains of bacteria that have beneficial effects on the gut flora, facilitating the growth of friendly bacteria and diminishing harmful bacteria Lactobacillus acidophilus CL1285® + L. casei LBC80R® Fermented liquid product Minimum of 50×109 CFU guaranteed for 140 days (refrigerated) Capsules Minimum of 50×109 CFU guaranteed for 2 years (refrigerated) Enteric coating Summary of Bio-K+® clinical trials in GI pathologies 7 Clinical trial Beausoleil et al, 2007 (HMR) Psaradellis and Sampalis, 2010 (8 hospitals in QC and ON) Gao et al, 2010 (AAD/CDAD prevention) Maziade et al, 2011 (HPLG), Submitted # Patients Dosage 89 1 x 50B liquid product / die ( Rx antibio) 437 1 x 50B liquid product / die (Rx antibio + 5 d) Study population 18 y/o, Rx antibio 18 y/o, Rx antibio Principal results AAD : ↓55% in incidence (p= 0.05) CDAD : 1 case vs 7 in placebo (p= 0.06) AAD : ↓ 51.5% duration (p= 0.045) AAD : ↓ 37% in incidence (p= 0.037) AAD incidence : ↓ 36% (50B/d) (p= 0.02) ↓ 65% (100B/d) (p < 0.001) 50-70 y/o, 1X 1 or 2 capsules Rx antibio 255 50B / die (penicillins, (Rx antibio + 5 d) cephalosporin, CDAD incidence: ↓61% (50B/d) (p= 0.03) clindamycin) ↓95% (100B/d) (p= 0.002) CDAD : 50B liquid ↓73% incidence (p= 0.003) 18 y/o, product; 2X 30B ↓94% severe cases(p= 0.003) 35,000 capsules / die Rx antibio ↓39% recurrent CDAD for 30 d ↓ 91% mortality rate Results of clinical studies with Bio-K+® 8 65% Placebo 1 capsule 50B 2 capsules 50B (%) DACD(%) Incidence incidence CDAD AAD incidence (%) Dose-response efficacy of Bio-K+® on AAD and CDAD incidence1 95% Placebo 1 capsule 50B 2 capsules 50B 1- Gao et al. 2010. Am J Gastroenterol. 105 (7): 1636-1641. 2- Wolvers et al. 2010. Guidance for substantiating the evidence for beneficial effects of probiotics: Prevention and management of infections by probiotics. J. Nutr. 140: 698-712. Clinical studies with Bio-K+® 9 Dose response efficacy of Bio-K+® on AAD duration and GI symptoms 56% reduction in AAD duration (with 2 capsules) Reduction of GI symptoms (commonly associated to IBS) Placebo (n=84) 1 capsule (n=85) 2 capsules (n=86) Abdominal pain 40.5 24.7 12.8 Bloating 35.7 21.2 9.3 Liquid stools 58.3 44.7 31.4 Ileus 14.3 11.8 8.1 AAD duration (days) (%) Placebo 1 capsule 50B 2 capsules 50B 1- Gao et al. 2010. Am. J. Gastroenterol. 105 (7): 1636-1641. P < 0.05 : All Pierre-Le Gardeur Hospital experience 10 7 years of Clostridium difficile infection prevention in a community hospital – Role of a proprietary probiotic formula of Lactobacillus acidophilus CL1285 and Lactobacillus casei LBC80R Maziade PJ, Andriessen A, Gagné D, Murray G, Jacob C, Pereira P and Méthot L. Protocol: Hospitalization + Antibiotics CDI cases = 73% Severe CDI cases = 94% Mortality rate = 91% Bio-K+® Maziade et al. 2011. Submitted to Infect. Control Hosp. Epidemiol. Recurrent CDI = 39% Evolution of CDI incidence 11 Hospital ≥ 250 beds Province of Quebec Pierre-Le Gardeur Hospital CHPLG CDI/10,000 patient-days 15.6 13.6 10.5 10.2 9.1 9.0 8.1 3.4 3.7 7.3 7.0 2005-2006 6.5 6.3 3.2 2.1 2004-2005 7.2 2006-2007 2007-2008 Maziade et al. 2011. Submitted to Infect. Control Hosp. Epidemiol. 2.2 2008-2009 1.8 2009-2010 Enhancing pharmacology of ARVs using evidencebased probiotics 12 HIV mediated loss of Th17 cells from GALT during acute infection4 Impairs mucosal integrity and innate defense mechanisms Microbial translocation correlates with chronic immune hyperactivation Maintaining a healthy GALT may be key to reducing pathogenic potential of HIV due to compromised flora and subsequent barrier disruption resulting in elevation in inflammation Conclusion 13 Intervention with therapeutic probiotics HIV\AIDS of drug absorption and drug resistance diarrhea and GI side-effects and other SAEs compliance to HAART Protocol synopsis 14 X HIV-infected patients X on ART + Imodium + Placebo Outcomes • diarrhea and SAEs • OIs • Stabilization of CD4 • Suppression of viral load • Improvements of micronutrients level • adherence and persistence to HAART • DEXA + BIA X on ART + Imodium + Bio-K+® Inclusion • Confirmed HIV infection • HIV-related anemia • PCP, thrush, vaginosis, vaginitis • Anal dysplasia • Hairy leucopenia References 15 1. Anukam, KC., Osazuwa, E., Osadolar, H., Bruce, A., Reid, G. Yogurt Containing Probiotic Lactobacillus rhamnosus GR-1and L. reuteri RC-14 Helps Resolve Moderate Diarrhea and Increases CD4 Counts in HIV Patients. Journal of Clinical Gastroenterology. March 2008; 42(3). 2. Trois, L., Cardoso, E., Mirua, E. Use of Probiotics in HIV-infected Children: A Randomized Double-blind Controlled Study. Journal of Tropical Pediatrics. 2008; 54(1). 3. Saavedra, JM., Tschernia, A. Human studies with probiotics and prebiotics: clinical implications. British Journal of Nutrition. 2002; 87. 4. Hofer, U., Speck, R. Disturbance of the gut-associated lymphoid tissue is associated with disease progression in chronic HIV infection. Semimars in Immunopathology. 2007; 31(2).