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Immunogenicity of 2 serogroup B outer-membrane protein meningococcal vaccines: a randomized controlled trial in Chile.
Tappero JW, Lagos R, Ballesteros AM, Plikaytis B, Williams D, Dykes J, Gheesling LL, Carlone GM, Høiby EA, Holst J, Nøkleby H, Rosenqvist E, Sierra G, Campa C, Sotolongo F, Vega J, Garcia J, Herrera P, Poolman JT, Perkins BA. Tappero JW, et al. Among authors: Herrera P. JAMA. 1999 Apr 28;281(16):1520-7. doi: 10.1001/jama.281.16.1520. JAMA. 1999. PMID: 10227322 Clinical Trial.
After 3 doses of vaccine, 31% to 35% of children responded to the vaccine vs 5% to placebo; 37% to 60% of adults responded to vaccine vs 4% to placebo (P<.05 vs control for all). ...In contrast, against homologous vaccine type strains, the response rate was 67% or higher among children and adults and 90% or higher among infants (P<.001 vs control for all). ...
After 3 doses of vaccine, 31% to 35% of children responded to the vaccine vs 5% to placebo; 37% to 60% of adults responded to vaccine vs 4% …
Effect of Patient Navigation With or Without Financial Incentives on Viral Suppression Among Hospitalized Patients With HIV Infection and Substance Use: A Randomized Clinical Trial.
Metsch LR, Feaster DJ, Gooden L, Matheson T, Stitzer M, Das M, Jain MK, Rodriguez AE, Armstrong WS, Lucas GM, Nijhawan AE, Drainoni ML, Herrera P, Vergara-Rodriguez P, Jacobson JM, Mugavero MJ, Sullivan M, Daar ES, McMahon DK, Ferris DC, Lindblad R, VanVeldhuisen P, Oden N, Castellón PC, Tross S, Haynes LF, Douaihy A, Sorensen JL, Metzger DS, Mandler RN, Colfax GN, del Rio C. Metsch LR, et al. Among authors: Herrera P. JAMA. 2016 Jul 12;316(2):156-70. doi: 10.1001/jama.2016.8914. JAMA. 2016. PMID: 27404184 Free PMC article. Clinical Trial.
Eighty-five of 249 patients (34.1%) in the usual-treatment group experienced treatment success compared with 89 of 249 patients (35.7%) in the navigation-only group for a treatment difference of 1.6% (95% CI, -6.8% to 10.0%; P = .80) and compared with 98 of 254 patients (38.6%) in the navigation-plus-incentives group for a treatment difference of 4.5% (95% CI -4.0% to 12.8%; P = .68). The treatment difference between the navigation-only and the navigation-plus-incentives group was -2.8% (95% CI, -11.3% to 5.6%; P = .68). ...
Eighty-five of 249 patients (34.1%) in the usual-treatment group experienced treatment success compared with 89 of 249 patients (35.7%) in t …
Pneumocystis carinii pneumonia in HIV-infected patients in the HAART era.
Pulvirenti J, Herrera P, Venkataraman P, Ahmed N. Pulvirenti J, et al. Among authors: Herrera P. AIDS Patient Care STDS. 2003 Jun;17(6):261-5. doi: 10.1089/108729103322108139. AIDS Patient Care STDS. 2003. PMID: 12880489
Early development of non-hodgkin lymphoma following initiation of newer class antiretroviral therapy among HIV-infected patients - implications for immune reconstitution.
Huhn GD, Badri S, Vibhakar S, Tverdek F, Crank C, Lubelchek R, Max B, Simon D, Sha B, Adeyemi O, Herrera P, Tenorio A, Kessler H, Barker D. Huhn GD, et al. Among authors: Herrera P. AIDS Res Ther. 2010 Dec 14;7:44. doi: 10.1186/1742-6405-7-44. AIDS Res Ther. 2010. PMID: 21156072 Free PMC article.
At baseline, the median CD4 and VL for NHL cases (n = 5) versus controls (n = 73) were 44 vs.117 cells/mm3 (p = 0.09) and 5.2 vs. 4.2 log10 (p = 0.06), respectively. The mean increase in CD4 at week 12 in NHL cases compared to controls was 13 (n = 5) vs. 74 (n = 50)(p = 0.284). Mean VL log10 reduction in NHL cases versus controls at week 12 was 2.79 (n = 5) vs. 1.94 (n = 50)(p = 0.045). ...
At baseline, the median CD4 and VL for NHL cases (n = 5) versus controls (n = 73) were 44 vs.117 cells/mm3 (p = 0.09) and 5.2 vs. 4.2 …
[High incidence and complications of Clostridium difficile diarrhea among patients with renal diseases].
Herrera P, Cotera A, Fica A, Galdo T, Alvo M. Herrera P, et al. Rev Med Chil. 2003 Apr;131(4):397-403. Rev Med Chil. 2003. PMID: 12870234 Spanish.
This figure is higher than the global incidence in the hospital (0.53 cases per 100 discharges/year, p < 0.001). The mean age of the 33 patients with renal diseases was 63 years old and 17 of them were female. ...Seventy five percent responded to metronidazole and in 27%, diarrhea recidivated, compared with a 6% recurrence rate in other units, p < 0.02). ...

This figure is higher than the global incidence in the hospital (0.53 cases per 100 discharges/year, p < 0.001). The mean age of t

[Long-term outcomes with expanded criteria donors in kidney transplantation].
Valjalo R, Reynolds E, Herrera P, Espinoza Ó, González F. Valjalo R, et al. Among authors: Herrera P. Rev Med Chil. 2016 Jan;144(1):22-9. doi: 10.4067/S0034-98872016000100004. Rev Med Chil. 2016. PMID: 26998979 Spanish.
DCS recipients spent more time on the waiting list for transplantation (p = 0.04). DCE recipients showed higher frequency of surgical complications (p = 0.04), vascular complications (p = 0.02), acute transplant rejection (p = 0.05), and hospitalizations (p = 0.01). Creatinine (mg/dL) in DCE and DCS recipients was 2.3 and 1.5 respectively at year one (p < 0.01) and 2.6 and 1.6 respectively at year five (p < 0.01). ...
DCS recipients spent more time on the waiting list for transplantation (p = 0.04). DCE recipients showed higher frequency of surgical …
Telephone-Based Developmental Screening and Care Coordination Through 2-1-1: A Randomized Trial.
Nelson BB, Thompson LR, Herrera P, Biely C, Arriola Zarate D, Aceves I, Estrada I, Chan V, Orantes C, Chung PJ. Nelson BB, et al. Among authors: Herrera P. Pediatrics. 2019 Apr;143(4):e20181064. doi: 10.1542/peds.2018-1064. Pediatrics. 2019. PMID: 30894408 Free PMC article. Clinical Trial.
On the basis of intention-to-treat analyses, significantly more children assigned to the intervention group were referred (32% vs 9%; P = .001) and were receiving services (16% vs 1%; P = .002) within 6 months compared with children assigned to usual care alone. ...
On the basis of intention-to-treat analyses, significantly more children assigned to the intervention group were referred (32% vs 9%; P
[Survival of older patients starting hemodialysis in Chile].
Ríos Á, Herrera P, Morales Á, Reynolds E, Fernández MB, González F. Ríos Á, et al. Among authors: Herrera P. Rev Med Chil. 2016 Jun;144(6):697-703. doi: 10.4067/S0034-98872016000600002. Rev Med Chil. 2016. PMID: 27598487 Spanish.
[Mortality following cardiac surgery in the National Health Service Hospitals of the Community of Valencia in 2007: a descriptive analysis].
Vicente R, Pajares A, Vicente JL, Aparicio R, Loro JM, Moreno I, Soria A, López A, Porta J, de la Fuente C, Herrera P, Tur A, Osseyran F, Guillén A, Martí F, Llagunes J, Mateo E, Aguar F, Peña JJ, Marqués JI, Ripoll A, Reina C, Ferrandis P, Muedra V, Llopis E, Cantó M, García C. Vicente R, et al. Among authors: Herrera P. Rev Esp Anestesiol Reanim. 2010 Feb;57(2):79-85. doi: 10.1016/s0034-9356(10)70168-7. Rev Esp Anestesiol Reanim. 2010. PMID: 20336998 Clinical Trial. Spanish.
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