Chun-Pin Chang

• MPH PhD
• Adjunct assistant professor at University of Utah

Background Although colorectal cancer survival rates are improving, the risk of incident type 2 diabetes mellitus (T2D) among Asian, Native Hawaiian, and Pacific Islander (ANHPI) ethnic groups is poorly understood. This study aims to identify high-risk groups and quantify the risk across different periods. Methods Using the SEER–Medicare database,...

Purpose Asian, Native Hawaiian, and Pacific Islanders (ANHPI) have a higher prevalence of type II diabetes compared to the non-Hispanic White (NHW) population. However, the incidence of type II diabetes among ANHPI lung cancer survivors is unknown. The aim of this study is to investigate the risk of newly diagnosed type II diabetes among older ANHP...

Background There may be heterogeneity in lung cancer‐related outcomes for individuals who are Asian, Native Hawaiian, and Pacific Islanders (ANHPI). Objectives The aims of this study were to investigate possible disparities in cardiovascular disease (CVD) risk between ANHPI and Non‐Hispanic White (NHW) lung cancer survivors and evaluate potential...

Background Non-Hodgkin lymphoma (NHL) is the seventh most common cancer among Asian, Native Hawaiian and Pacific Islanders (ANHPIs), yet the risk of death in specific ANHPI subgroups in the US is unknown. Methods We used Surveillance, Epidemiology, and End Results data to investigate relative survival and the risk of death among NHL patients in AN...

Introduction. While common variants have been studied for head and neck cancer risk and exome sequencing has been conducted for head and neck tumor tissue samples, large-scale studies of exome sequencing on head and neck cancer risk have not been conducted to our knowledge. The aims of our study were to identify head and neck cancer predisposition...

Introduction The relations between coffee and tea consumption and head and neck cancer (HNC) incidence are unclear. With increasing global HNC burden, this study aims to examine the association between coffee, tea, and HNC. Methods A pooled analysis of 9548 HNC cases and 15,783 controls from 14 individual‐level case‐control studies was conducted f...

Background Annual or biennial breast cancer screenings are recommended for women 40 and older. Women residing in rural areas have worse breast cancer survival rates than urban women, but no study has focused on rural versus urban residence in Utah regarding breast cancer screening and mortality. Methods Cases (n = 14,516) were women aged > 39 diag...

Objective To evaluate the validity of the Utah statewide All‐Payer Claims Database (APCD), we compared breast cancer‐specific treatments and dosages with gold‐standard abstraction of medical records. Study Design In this pilot study, breast cancer treatments were abstracted by a certified tumor registrar at the Utah Cancer Registry (UCR) for patie...

Background The risk of diabetes among Asian, Native Hawaiian, and Pacific Islander (ANHPI) women after breast cancer is unclear. This study estimated the risk of incident type II diabetes in older ANHPI and older non-Hispanic White (NHW) women with breast cancer from the US National Cancer Institute’s Surveillance, Epidemiology, and End Results (SE...

306 Background: Prostate cancer treatment has been widely associated with developing and/or worsening metabolic syndrome. While numerous studies have explored the interplay between prostate cancer and metabolism, there have been very few studies investigating endocrine and metabolic disease diagnoses among prostate cancer survivors with long term f...

267 Background: Prostate cancer is the most prevalent malignancy among men in the United States. However, only a limited number of studies have explored the impact of rural-urban disparities in survival among prostate cancer patients with long-term follow-up. In order to investigate disparities in prostate cancer survival, we assess prostate cancer...

Background Few studies have evaluated mental health disorders comprehensively among patients with prostate cancer on long-term follow-up. The primary aim of our study was to assess the incidence of mental health disorders among patients with prostate cancer compared with a general population cohort. A secondary aim was to investigate potential risk...

Background Cardiotoxicity among breast cancer survivors is associated with chemotherapy and radiation therapy. The risk of cardiovascular disease (CVD) among Asian, Native Hawaiian and Pacific Islander (ANHPI) breast cancer survivors in the United States is unknown. Methods We used the SEER-Medicare linked database to estimate the risk of CVD amon...

PURPOSE In 2021, 59.6% of low-risk patients with prostate cancer were under active surveillance (AS) as their first course of treatment. However, few studies have investigated AS and watchful waiting (WW) separately. The objectives of this study were to develop and validate a population-level machine learning model for distinguishing AS and WW in t...

Background: Limited population-based studies have focused on breast cancer survivors in rural populations. We sought to evaluate the risk of adverse health outcomes among rural and urban breast cancer survivors and to evaluate potential predictors for the highest risk outcomes. Methods: A population-based cohort of rural and urban breast cancer...

Introduction: Rural cancer survivors experience considerable health disparities compared to urban cancer survivors for cancer treatment and survival. The objective of our study was to investigate the risk of developing diseases for rural compared to urban prostate cancer survivors in Utah. Methods: We identified a cohort of 3575 rural prostate c...

Purpose: Rural disparities in prostate cancer survivorship and cardiovascular disease remain. Prostate cancer treatment also contributes to worse cardiovascular disease outcomes. Our objective was to determine whether rural-urban differences in cardiovascular outcomes contribute to disparities in prostate cancer survivorship. Materials and method...

Background Breast cancer is the most common non-skin cancer in women and an increasing number of people are living as breast cancer survivors. While the prognosis of breast cancer continues to improve, the rates of sexual dysfunction and the risk related to cancer treatments have not been well characterized in a population-based study. Methods We...

Background To the knowledge of the authors, no strong evidence supports surveillance imaging in patients with head and neck cancer (HNC). Purpose To investigate the association between surveillance imaging and mortality using a population-based study design with statewide cancer registry data, all-payer claims data, and health care facility data. M...

Background: Head and neck cancer (HNC) is a major cause of cancer morbidity and mortality in Nepal. The study aims to investigate differences in risk factors for head and neck cancer by sex in Nepal. Methods: A hospital-based case-control study was conducted at the B.P. Koirala Memorial Cancer Hospital in Nepal from 2016 to 2018. A semi-structur...

Treatment for gynecologic cancer is associated with sexual dysfunction, which may present during and/or after treatment. The aim of this study was to investigate the risk of sexual dysfunction among gynecologic cancer survivors compared to cancer-free women in a population-based cohort study. We identified a cohort of 4863 endometrial, ovarian, and...

Background: Ovarian cancer is the fifth most common female cancer in the United States. There have been very few studies investigating mental health diagnoses among ovarian cancer survivors with long-term follow up. The aim of this study is to examine the incidence of mental illness among ovarian cancer survivors compared to a general population c...

Rural young adults may be more averse to receiving a COVID-19 immunization than urban young adults. We aimed to assess differences in COVID-19 vaccine hesitancy for rural, compared with urban, young adults and characterize modifiable factors. This cross-sectional online survey collected demographic data, vaccination attitudes, and COVID-19 impacts...

Background Breast cancer survival is increasing, making late effects such as cardiovascular disease (CVD) more relevant. The purpose of this study was to evaluate incident CVD following breast cancer diagnosis among long‐term survivors and to investigate possible risk factors for CVD. Methods A population‐based cohort of 6641 breast cancer survivo...

This study compared human papillomavirus (HPV) vaccination occurrences on the same day as provider recommendations at clinics in the Western United States stratified by healthcare provider groups. In addition, the relationships between provider groups’ perceived challenges associated with HPV vaccination, HPV vaccination knowledge, HPV recommendati...

Background: Treatment for gynecologic cancer is associated with side effects including sexual dysfunction, that present during and after treatment, and can be long lasting. The aim of this study was to investigate the frequency and the risk of sexual dysfunction among gynecologic cancer survivors compared to cancer-free women in a population-based...

Background Breast cancer is the leading cause of cancer death among Hispanic women. The aim of our study was to estimate cardiovascular disease (CVD) risk among Hispanic and non-Hispanic White (NHW) breast cancer survivors compared with their respective general population cohorts. Methods Cohorts of 17 469 breast cancer survivors (1774 Hispanic an...

Background Although there is some evidence of positive associations between both the glycemic index (GI) and glycemic load (GL) with cancer risk, the relationships with lung cancer risk remain largely unexplored. We evaluated the associations between GI and GL with lung cancer. Methods The analyses were performed using data from a population-based...

p> Background. While genitourinary complications during treatment for ovarian cancer are well known, long-term adverse outcomes in the growing population of ovarian cancer survivors have yet to be characterized. The aim of our study is to describe the incidence of genitourinary diseases among ovarian cancer survivors after ovarian cancer diagnosis,...

p> Objective . In the United States, ovarian cancer is the eleventh most common female cancer and the fifth most common cause of cancer death among women. Although incidence and death rates have been declining over the last 10 years, the 5-year survival rate is 47.6%. Diabetes was the seventh leading cause of death in the United States and is assoc...

Background: Previous research has demonstrated that women instructed in fertility awareness methods can identify the Peak Day of cervical mucus discharge for each menstrual cycle, and the Peak Day has high agreement with other indicators of the day of ovulation. However, previous studies enrolled experienced users of fertility awareness methods or...

Objective While genitourinary complications during treatment for ovarian cancer are well-known, long-term adverse outcomes have not been well characterized. The number of ovarian cancer survivors has been increasing. The aim of this study was to investigate long-term adverse genitourinary outcomes in a population-based cohort. Methods We identifie...

High dietary glycaemic index (GI) and glycaemic load (GL) may increase cancer risk. However, limited information was available on GI and/or GL and head and neck cancer (HNC) risk. We conducted a pooled analysis on 8 case-control studies (4081 HNC cases; 7407 controls) from the International Head and Neck Cancer Epidemiology (INHANCE) consortium. We...

Although tobacco smoking, pan chewing and alcohol drinking are important risk factors for head and neck cancer (HNC), the HNC risks conferred by products available in Nepal for these habits are unknown. We assessed the associations of tobacco smoking, chewing habits, and alcohol drinking with HNC risk in Nepal. A case–control study was conducted in...

Background: Tobacco use is a well-established risk factor for head and neck cancer (HNC). However, less is known about the potential impact of exposure to tobacco at an early age on HNC risk. Methods: We analyzed individual-level data on ever tobacco smokers from 27 case-control studies (17,146 HNC cases and 17,449 controls) in the International...

Human herpesvirus 8 (HHV-8) is associated with the development of Kaposi's sarcoma and several other human malignancies. The prevalence of HHV-8 DNA in peripheral blood mononuclear cells (PBMCs) in Taiwanese leukemia populations has not been investigated. In this study, HHV-8 DNA was extracted from PBMCs, and detected in 10.29% of the leukemia case...

The Puli Basin is the largest basin in the Taiwan active orogeny. In terms of geology, the Puli Basin spreads over the Western Foothills (WF) and the Hsuehshan Range (HR), and the lithofacies are quite different between the north part and the south part of WF. Thus, Puli is formed at a kinematic transition zone, which makes the tectonic evolution o...

Human herpesvirus 8 (HHV-8), also known as Kaposi's sarcoma (KS)-associated herpesvirus (KSHV), is not routinely isolated in cell cultures, and thus detection of HHV-8-specific antibodies is usually performed. In this study, we performed recombinant antigens ORF66- and ORFK12-based Western blot strip assays and ELISA, and surveyed the seroprevalenc...

Detection of plasma human herpesvirus (HHV)-8 DNA correlates with antibodies to lytic HHV-8 antigens, being predictive of Kaposi's sarcoma in HIV-infected patients. We show that the prevalence of plasma HHV-8 DNA was 10.6% for HIV infection through sexual contact and 7.1% for HIV infection through intravenous injection. In addition, the prevalence...