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Studies

To explore Kaiser Permanente Northern California studies search keywords, find by program, find by specialty or find by study status.

OB/GYN

A non-randomized prospective clinical trial comparing the non-inferiority of salpingectomy to salpingo-oophorectomy to reduce the risk of ovarian cancer in BRCA 1 carriers

Christine Garica, Ramey Littell | Other Ongoing

A Prenatal Care Strategy that Included Telehealth had Similar Outcomes as In-Person Visits

Assiamira Ferrra, Mara Greenberg | Delivery Science Grants Program | View Summary Completed

ACEs, Resilience, and Mental Health Support in Obstetric Care

Carey Watson | Community Health Completed

An observational cohort to assess background rates of maternal, fetal, neonatal, and infant outcomes and events of interest (EIs) to inform maternal immunization clinical trials

Nicola Klein | Industry Ongoing

Are isolated non-displaced ulnar fractures a marker of intimate partner violence?

Tammy Sung | Community Health Completed

Assessing health inequities in Overactive Bladder medication prescribing within Kaiser Permanente Northern California (KP NCAL)

Neha Sudol | Community Health Ongoing

Associations between Glycemic Control Trajectories among Individuals with Gestational Diabetes and Obesity Risk and Growth Trajectories in the Offspring

Rana Chehab | Community Health Completed

Blood pressure, Obesity, and diabetes in Relation to Perinatal and Postpartum Complications

Yeyi Zhu | NIH Ongoing

Cannabis Use Among Pregnant Women with Psychiatric and Substance Use Disorders

Kelly Young-Wolff, Amy Conway, Deborah Ansley | NIH Ongoing

Cervical cancer in elderly

Ramey Littell | Other Ongoing

Cervical cancer minimally invasive surgery predictors of recurrence

Ramey Littell | Other Ongoing

Characterization of outcomes associated with mismatch repair deficiency analysis in women with endometrial cancer

Betty Suh-Burgmann | Community Health Completed

Characterizing the development of cardiovascular disease in women after adverse pregnancy outcomes.

Victoria Woo | Community Health Completed

Characterizing the development of cardiovascular disease in women after adverse pregnancy outcomes.

Victoria Woo | Community Health Completed

Characterizing uterine fibroid diagnosis and treatment in Asian and Pacific Islander patients

Susanna Mitro | Community Health Completed

Comparing the effectiveness of centralized versus individual provider-based management of antepartum iron-deficiency anemia

Justine Chang | Community Health Ongoing

Comparison of Preimplantation and prenatal genetic testing

Nikhil Joshi | Other Ongoing

COVID-19 related changes in health care delivery and health outcomes among pregnant women and their newborns

Mara Greenberg, Assiamira Ferrara | Delivery Science Grants Program | View Summary Completed

D&E vs IOL for medically indicated abortion

Crystal Goldsmith | Other Ongoing

Detection of ovarian cancer by uterine lavage biomarkers

Christine Garcia | NIH Ongoing

Determining the modifying role of prenatal psychological distress on the association between gestational diabetes mellitus and early childhood obesity

Alicia Peterson | Community Health Ongoing

Development and testing of a mobile-health (m-health) intervention tool to help obese women achieve appropriate gestational weight gain

Tracy Flanagan, Sarah Mandel, Monique Hedderson | Delivery Science Grants Program Completed

Does Centering Pregnancy Impact Patient Satisfaction with Prenatal Care and Maternal Health and Behavioral Outcomes?

Lyndsay Avalos, Joanna Stark | Delivery Science Grants Program | View Summary Completed

Effectiveness of Adacel Vaccination in Pregnancy in Preventing Infant Pertussis

Nicola Klein | Industry Ongoing

Effects of prenatal screening biochemical analyte levels on pregnancy outcomes

Leslie Manace Brenmann, Erica Gunderson | Delivery Science Grants Program Completed

Endometriosis and Pelvic Pain Racial and Ethnic Variation of Management

Zaritsky | Community Health Completed

Establishment of Group B streptococcal immunologic endpoints reasonably likely go predict clincal benefit against invasive disease among young infants: a multi-state case-control study

Kristi VanWinden | Other Ongoing

Evaluate “Centering Pregnancy”, a group prenatal care program, impact on health outcomes and health care utilization.

Joanna Stark, Lyndsay Avalos | Delivery Science Grants Program Completed

Evaluating Enhanced Recovery After Surgery Implementation in Cesarean Deliveries Within KPNC

Mengfei Huang, Monique Hedderson | Targeted Analysis Program Completed

Evaluating patient engagement in “KP Connected Pregnancy Care” and its association with utilization and perinatal outcomes

Mara Greenberg, Monique Hedderson | Delivery Science Grants Program Ongoing

​Evaluating the Use of Nitrous Oxide Analgesia to Improve Endometrial Sampling.

Margaret Howe | Community Health Ongoing

Evaluation of Mental Heath Services Referrals and Utilization Among Pregnant Patients with ACEs and/or Low Resilience

Kelly Young-Wolff, Carey Watson | Delivery Science Grants Program Ongoing

Evaluation of the EmbrACE Intervention for Adults with a History of Adverse Childhood Experiences

Kathryn Erickson-Ridout, Lyndsay Avalos | Delivery Science Grants Program Ongoing

Fertility preservation in women with hereditary risk for gynecologic malignancies

Christine Garcia | Other Ongoing

Gender Affirming Chest Surgery and Hysterectomy in Transmasculine Patients: Concomitant Versus Separate Surgeries

Eve Zaritsky | Other Ongoing

Gestational Diabetes Screening: Are Changes in Recommended Timing Associate with Perinatal Outcomes?

Assiamira Ferrara, Mara Greenberg | Delivery Science Grants Program Ongoing

Glyburide vs insulin for the treatment of women with gestational diabetes

Yvonee Crites, Anne Regenstein, Monique Hedderson | Delivery Science Grants Program | View Summary Completed

Health System-Level Physical Activity Interventions and Cardiovascular Risk in Midlife Women

Sylvia Badon | Community Health Completed

Healthcare Utilization and Complication Rate of Immediate vs 6-week Postpartum IUD Placement

Margaret Howe | Other Ongoing

HPV self-collection

Betty Suh-Burgmann, Julie Schmittdiel | Physician Researcher Program Ongoing

Hyperglycemia, diabetes disorders, and glycemic control in pregnancy and risk of neurodevelopmental disorders in the offspring

Yeyi Zhu | Community Health Ongoing

Hypertensive disorders of pregnancy

Susanna Mitro, Mara Greenberg | Delivery Science Grants Program Ongoing

Identifying Electronic Nicotine Delivery Systems (ENDS) Use References Within Free-Text Data Fields in the Electronic Health Record

Renee Fogelberg, Kelly Young-Wolff | Targeted Analysis Program Completed

Identifying Postpartum Needs of Patients with Perinatal Substance Use and Early Start Program Engagement

Tara Foti, Kelly Young-Wolff, Amy Conway, Deb Ansley | Other Ongoing

Impact of in utero marijuana exposure on neurodevelopment, behavior and mental health: A Longitudinal Birth Cohort Study

Lyndsay Avalos, Kelly Young-Wolff, Nancy Goler | NIH Ongoing

Impact of vision screening on amblyopia diagnosis and treatment in a large and diverse pediatric population

Mara Greninger, Hélène Choquet | Delivery Science Grants Program Ongoing

Is nutritional management associated with improved outcomes in pregnancy post-bariatric surgery?

Mara Greenberg, Monique Hedderson | Targeted Analysis Program | View Summary Completed

K23: Impact of gestational SARS-CoV-2 and maternal inflammation on child growth and neurodevelopment in a malaria-endemic setting

Karen Jacobson, Nicola Klein | NIH Ongoing

mHealth Mindfulness Intervention for Pregnant Black and Latina Women at Risk for Postpartum Depression

Ai Kubo, Lyndsay Avalos | Other Ongoing

Non-surgical Management of Lower Urinary Tract Symptoms (LUTS) in Cervical Cancer Survivors Undergoing Primary Radiation Therapy, 2010-2020

Christine Garcia, Carrie Jung | Other Ongoing

Outcomes Following Policy-Mandated Neonatal Intensive Care Unit Admissions for Healthy Infants Born at 350/7-366/7Weeks Gestation

Andrea Wikremasinghe | Community Health Completed

Outcomes following preimplantation genetic testing

Nikhil Joshi | Other Ongoing

Pelvic Pain Disorder and Endometriosis: Patient Demographic and Healthcare System Predictors of Diagnosis and Management within Kaiser Permanente Northern California

Eve Zaritsky | Community Health Completed

Post-licensure Database Surveillance Study to Assess the Safety of Flublok Quadrivalent (Influenza Vaccine) in Pregnant Women and Their Offspring

Nicola Klein | Industry Ongoing

Postpartum IUDs

Crystal Goldsmith | Other Ongoing

Pregnancy in women with gynecologic precancer or cancer

Christine Garcia | Community Health Completed

Pregnancy outcomes in women with cardiovascular disease: a retrospective cohort study from Kaiser Permanente Northern California

Seema Pursnani | Community Health Completed

Prenatal Depression and Its Treatment: Effects on Child Speech and Language Disorders

Lyndsay Avalos | Community Health Completed

Racial Ethnic Disparities in glycemic control among women with gestational diabetes: A multi-racial pregnancy cohort study

Yeyi Zhu | Other Ongoing

Remote Blood Pressure Monitoring During Pregnancy: Patient Characteristics and Clinical Impacts

Mary Reed, Mara Greenberg | Community Health Completed

Remote Glucose Monitoring in Pregnancies with Gestational Diabetes: Assessing Uptake and Outcomes

Mara Greenberg, Monique Hedderson | Targeted Analysis Program | View Summary Completed

Robotic hysterectomy for benign gynecologic disease – Phase 1 feasibility

Fred Ramos, Tina Raine-Bennett, Lisa Herrinton | Delivery Science Grants Program Completed

Serious endometrial cancer outcomes

Ramey Littell | Other Ongoing

Somatic tumor testing in patients with newly diagnosed non-mucinous epithelial ovarian cancer

Christine Garcia | Other Ongoing

Strategies to obtain family history

Bethan Powell | PCORI Ongoing

Strategies to Tailor Existing Interventions for Depression During Pregnancy

Kathryn Erickson-Ridout | Physician Researcher Program Ongoing

Surgical referral and outcomes of standardized ultrasound reporting of adnexal masses

Betty Suh-Burgmann, Lisa Herrinton | Physician Researcher Program | View Summary Completed

Survival in HPV and non-HPV related cervical cancer

Christine Garcia | Other Ongoing

The Effect of Post-operative Weight Changes on Outcomes of Mid-Urethral Sling for Stress Urinary Incontinence

Minita Patel | Community Health Ongoing

The impact of ACEs and resilience on Obstetric health outcomes

Carey Watson, Cynthia Campbell | Rapid Analytics Unit | View Summary Completed

The Impact of California Shelter-In-Place on Incidence of Gynecologic Emergencies in a Community-Based Population

Eve Zaritsky, Andy Avins | Rapid Analytics Unit | View Summary Completed

The Impact of Free Contraceptive Services on Pregnancy and Termination Rates

Matthew Solomon | Community Health Completed

The relationship of robotic approach and surgical volume with outcomes of hysterectomy for benign gynecologic disease (Phase 2)

Fred Ramos, Tracy Flanagan, Lisa Herrinton | Delivery Science Grants Program Completed

The Timing of Adverse Events with Inpatient Misoprostol for Cervical Ripening: Implications for Outpatient Use

Vanitha Mohta, Tina Raine-Bennett | Targeted Analysis Program Completed

The utility of Bishop scores for late term inductions

Nikhil Joshi | Other Ongoing

Understanding differences in therapeutic abortion rates among KPNC membership, 2012-2023

Mara Greenberg, Shalmali Bane | Targeted Analysis Program Ongoing

Utilization of risk reduction strategies in patients with Lynch syndrome

Christine Garcia | Other Ongoing

Wellness coaching during pregnancy and maternal weight outcomes

Sylvia Badon | Community Health Completed

Will Standardized Treatment of Iron-Deficiency Anemia in Pregnancy Decrease Rates of Anemia at Delivery and/or Rates of Post-Partum Small Volume Blood Transfusions

Justine Chang | Community Health Completed

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