Research Topics
| D SokalSummaryAffiliation: Family Health International Country: USA Publications
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Detail Information
Publications
Male circumcision for HIV prevention: current evidence and implementation in sub-Saharan AfricaRichard G Wamai
Department of African American Studies, Northeastern University, Boston, MA, USA
J Int AIDS Soc 14:49. 2011....- Effectiveness of vasectomy using cauteryMark A Barone
EngenderHealth, New York, NY 10001, USA
BMC Urol 4:10. 2004..Other objectives were to estimate time and number of ejaculations to success and to determine the predictive value of success at 12 weeks for final status at 24 weeks... - Frequency and patterns of early recanalization after vasectomyMichel Labrecque
Evaluation Research Unit, D1 724, Centre de recherche du Centre Hospitalier Universitaire de Québec CHUQ, Hopital Saint Francois d Assise, 10, Rue de l Espinay, Quebec, Canada
BMC Urol 6:25. 2006..Our understanding of early post-vasectomy recanalization is limited to histopathological studies. The objective of this study was to estimate the frequency and to describe semen analysis patterns of early recanalization after vasectomy... - Vasectomy surgical techniques in South and South East AsiaMichel Labrecque
Department of Family Medicine, Laval University, Quebec City, Canada
BMC Urol 5:10. 2005.... - Cancer risk after sterilization with transcervical quinacrine: updated findings from a Chilean cohortDavid C Sokal
Family Health International, Durham, NC 27709, USA
Contraception 81:75-8. 2010..The safety and efficacy of the technology are still being assessed today; in particular, better estimates on the incidence of human cancers are now feasible... - Effectiveness of vasectomy techniquesDavid C Sokal
Behavioral and Biomedical Research Department, Family Health International, PO Box 13950, Research Triangle Park, NC 27709, USA
Urol Clin North Am 36:317-29. 2009..There is insufficient evidence to recommend a particular standardized cautery technique, but adding fascial interposition to cautery seems to be associated with the lowest risk for failure... - Safety of quinacrine contraceptive pellets: results from 10-year follow-up in VietnamDavid C Sokal
Family Health International, Research Triangle Park, NC 27709, USA
Contraception 78:66-72. 2008..This study was conducted to evaluate long-term safety of quinacrine pellets for nonsurgical sterilization among women in Vietnam... - Quinacrine sterilization and gynecologic cancers: a case-control study in northern VietnamDavid C Sokal
Family Health International, Durham, NC 27713, USA
Epidemiology 21:164-71. 2010..Over 100,000 women worldwide have been sterilized by insertion of quinacrine into the uterus to induce tubal scarring. Concern has been expressed about possible carcinogenicity, and specifically the risk of uterine cancer... - A comparison of vas occlusion techniques: cautery more effective than ligation and excision with fascial interpositionDavid Sokal
Family Health International, PO Box 13950, Research Triangle Park, NC 27709, USA
BMC Urol 4:12. 2004..More specifically, we aimed to compare early failure rates, sperm concentrations, and time to success between the two techniques... - Contraceptive effectiveness of two insertions of quinacrine: results from 10-year follow-up in VietnamDavid C Sokal
Family Health International, Research Triangle Park, NC 27709, USA
Contraception 78:61-5. 2008..This study was conducted to evaluate the long-term effectiveness of two insertions of quinacrine pellets for nonsurgical sterilization among women in northern Vietnam... - Vasectomy by ligation and excision, with or without fascial interposition: a randomized controlled trial [ISRCTN77781689]David Sokal
Family Health International, 2224 East NC Highway 54, Durham, NC 27713, USA
BMC Med 2:6. 2004..e. placing a layer of the vas sheath between two cut ends of the vas)... - Recent research on vasectomy techniquesDavid C Sokal
Clinical Research Division, Family Health International, Durham, NC 27713, USA
Asian J Androl 5:227-30. 2003..This review summarizes recent research on vasectomy conducted by Family Health International, USA... - Two randomized controlled trials comparing the tubal ring and filshie clip for tubal sterilizationD Sokal
Family Health International, Research Triangle Park, North Carolina 27513, USA
Fertil Steril 74:525-33. 2000..To compare the effectiveness and safety of the Filshie Clip and Tubal Ring systems when applied via minilaparotomy and laparoscopy... - Long-term follow-up after quinacrine sterilization in Vietnam. Part I: interim efficacy analysisD Sokal
Family Health International, Research Triangle Park, NC 27709, USA
Fertil Steril 74:1084-91. 2000..To determine the long-term efficacy of nonsurgical sterilization with quinacrine... - Long-term follow-up after quinacrine sterilization in Vietnam. Part II: interim safety analysisD Sokal
Family Health International, Research Triangle Park, NC 27709, USA
Fertil Steril 74:1092-101. 2000..To determine the long-term safety of nonsurgical sterilization with quinacrine... - Comparative effects of quinacrine and erythromycin in adult female rats: a nonsurgical sterilization studyP A Fail
Laboratory of Reproductive and Endocrine Toxicology, Research Triangle Institute, Research Triangle Park, North Carolina 27709, USA
Fertil Steril 73:387-94. 2000..Quinacrine used for nonsurgical sterilization in women is mutagenic, and most clinical regimens have had a higher failure rate than surgical sterilization... - A one-year neonatal mouse carcinogenesis study of quinacrine dihydrochlorideAida M Cancel
Family Health International, Research Triangle Park, North Carolina, USA
Int J Toxicol 25:109-18. 2006..Because uterine stromal polyps are a commonly observed benign tumor in older mice, the significance of this finding is unclear and will require a weight of evidence evaluation for a conclusion on the carcinogenic potential of quinacrine... - Two randomized controlled trials comparing the Hulka and Filshie Clips for tubal sterilizationR Dominik
Family Health International, Research Triangle Park, NC 27709, USA
Contraception 62:169-75. 2000..9 and 9.7 per 1000 women for the Filshie Clip group and 11.7 and 28.1 per 1000 women for the Hulka Clip group (p = 0.16 for comparison through 24 months). Both the Filshie and Hulka Clips are effective and safe for use in tubal occlusion... - Validation of a method to estimate age-specific human immunodeficiency virus (HIV) incidence rates in developing countries using population-based seroprevalence dataT Saidel
AIDSCAP Project, Family Health International, Arlington, VA 22201, USA
Am J Epidemiol 144:214-23. 1996..The model provides crucial information about incidence rates that might not be evident from prevalence data alone... - Diagnostic accuracy of an initial azoospermic reading compared with results of post-centrifugation semen analysis after vasectomyBonika Steward
Family Health International, Research Triangle Park, North Carolina 27709, USA
J Urol 180:2119-23. 2008..We evaluated the accuracy of a pre-centrifugation determination of azoospermia compared with post-centrifugation results... - A simpler tool for estimation of HIV incidence from cross-sectional, age-specific prevalence dataSuja S Rajan
University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
J Epidemiol Community Health 65:111-5. 2011..This paper aims to present a simple and creative HIV incidence estimation method for resource constrained settings with scarce data... - Termination of a randomized controlled trial of two vasectomy techniquesMario Chen-Mok
Family Health International, Durham, NC, USA
Control Clin Trials 24:78-84. 2003..After much deliberation, trial enrollment was terminated. Follow-up of participants already enrolled in the study continued as planned. This paper presents the issues involved in the decision to terminate the study... - Effect of diltiazem and methylene blue on human sperm motility, viability and cervical mucus penetration: potential use as vas irrigants at the time of vasectomyBarbara L Wood
Sperm Biology and Contraceptive Research Laboratory, CONRAD Program, Department of Obstetrics and Gynecology, Eastern Virginia Medical School, Norfolk, VA 23507, USA
Contraception 67:241-5. 2003..Based on the data reported herein, both diltiazem and methylene blue appear to be suitable candidates to be developed for vas irrigation at the time of vasectomy... - Recent developments in vasectomyKerry Wright Aradhya
Field, Information and Training Services Department, Family Health International, PO Box 13950, Research Triangle Park, NC 27709, USA
BMJ 330:296-9. 2005 - Vasectomy effectiveness in Nepal: a retrospective studyHanif Nazerali
Clinical Research Department, Family Health International, P.O. Box 13950, Triangle Park, NC 27713, USA
Contraception 67:397-401. 2003..Additional research is needed to determine if other occlusion techniques could reduce failure rates. Counseling on vasectomy should always convey the possibility of failure and partner pregnancy... - Pregnancy rates after vasectomy: a survey of US urologistsCatherine Deneux-Tharaux
Clinical Research Department, Family Health International, P.O. Box 13950, Research Triangle Park, NC 27709, USA
Contraception 69:401-6. 2004..This is probably an underestimate of the true rate. The risk of pregnancy was lower following vasectomies by surgeons who performed more than 50 procedures per year... - Re: How little is enough? The evidence for post-vasectomy testingMichel Labrecque
J Urol 175:791-2; author reply 792. 2006