Different rates of clinical trial enrollment between adolescents and young adults aged 15 to 22 years old and children under 15 years old with cancer at a children's hospital

Targeted Enrollment in Pediatric Oncology Trials: A Vision for Just-in-Time Matching

@PedsDataCommons shares vision for automated clinical trials matching in pediatric oncology.

Clinical Trial Participation: A Qualitative Study of Adolescents and Younger Adults Recently Diagnosed with Cancer

Purpose: Although participation of adolescents and young adults (AYAs) in cancer clinical trials (CCTs, i.e., cancer-directed treatment studies) is low, their decision-making perspectives are not well understood, especially following recent diagnosis. Methods: Semistructured interviews with younger AYAs (15-21 years old) eligible for a CCT were to be held within 60 days of beginning treatment at Children's Hospital Los Angeles, an academic pediatric hospital. Using grounded theory methods, key themes regarding CCT participation, barriers, and facilitators were identified from interview transcripts. Thematic saturation was confirmed. Results: Of nine participants, three were <18 years old, four Hispanic, six male, six diagnosed with leukemia, eight enrolled in a CCT, and eight also enrolled in ancillary studies. Four overarching themes emerged: (1) Initial Consent encompassed the first discussion of CCT with patients reflecting positive and negative effects of timing, decisional role, and the emotional impact following cancer diagnosis; (2) Informing Participation involved decision-making processes, specific knowledge, comprehension, and external influences; (3) Participant Relationships emphasized the importance of communication and relationships with providers and parents; and (4) Patient Determinants centered on motives from different perspectives, pre-conceived attitudes, and understanding of CCTs. Conclusion: Recommendations for improving CCT participation among younger AYAs include separating the diagnosis/treatment and CCT discussions, assigning AYAs a meaningful decisional role, having ongoing provider conversations, designing trials to minimize burden, and developing age-appropriate decision aids.

Trends in Pediatric Cancer Care in Florida From 1981-2020: Changing Patterns in a Growing and Increasingly Diverse Population

Background The Florida Association of Pediatric Tumor Programs (FAPTP) has used the Statewide Patient Information Reporting System (SPIRS) since 1981 to track all new cases of pediatric cancer. We reviewed the last 40 years of data to see how pediatric cancer care has evolved. Methods We retrospectively analyzed SPIRS data from 1981 through 2020 in five-year increments, looking at numbers of new diagnoses, care delivery sites, and trial enrollment in Children's Oncology Group (COG) studies. Results From 1981-2020 Florida's population increased almost 88% while the pediatric population only grew 61%. New pediatric cancer diagnoses increased 326% to over 1,000 new cases/year. The percentage of patients treated at FAPTP centers grew from 30% to 57% with an annual percentage change (APC) of 10.3% (95% Confidence Interval [CI] of 0.6 to 20.9%). The rate of COG clinical trial enrollment decreased from 32% in 1981-1985 to 20% in 2016-2020, for an APC of 8.91% (95% CI of -13.3 to -4.3%). Conclusions The striking increase in pediatric cancer cases in Florida over the last 40 years was out of proportion to the population growth. More patients received care at FAPTP centers, but a lower percentage were enrolled on COG trials.

Comparing Barriers and Facilitators to Adolescent and Young Adult Clinical Trial Enrollment Across High- and Low-Enrolling Community-Based Clinics

BACKGROUND

Adolescent and young adult (AYA) patients with cancer are underrepresented on cancer clinical trials (CCTs), and most AYAs are treated in the community setting. Past research has focused on individual academic institutions, but factors impacting enrollment vary across institutions. Therefore, we examined the patterns of barriers and facilitators between high- and low-AYA enrolling community-based clinics to identify targets for intervention.

MATERIALS AND METHODS

We conducted 34 semi-structured interviews with stakeholders employed used at National Cancer Institute Community Oncology Research Program (NCORP) affiliate sites ("clinics"). Stakeholders (eg, clinical research associates, patient advocates) were recruited from high- and low-AYA enrolling clinics. We conducted a content analysis and calculated the percentage of stakeholders from each clinic type that reported the barrier or facilitator. A 10% gap between high- and low-enrollers was considered the threshold for differences.

RESULTS

Both high- and low-enrollers highlighted insufficient resources as a barrier and the presence of a patient eligibility screening process as a facilitator to AYA enrollment. High-enrolling clinics reported physician gatekeeping as a barrier and the improvement of departmental collaboration as a facilitator. Low-enrollers reported AYAs' uncertainty regarding the CCT process as a barrier and the need for increased physician endorsement of CCTs as a facilitator.

CONCLUSIONS

High-enrolling clinics reported more barriers downstream in the enrollment process, such as physician gatekeeping. In contrast, low-enrolling clinics struggled with the earlier steps in the CCT enrollment process, such as identifying eligible trials. These findings highlight the need for multi-level, tailored interventions rather than a "one-size-fits-all" approach to improve AYA enrollment in the community setting.

Barriers to Pediatric Oncologist Enrollment of Adolescents and Young Adults on a Cross-Network National Clinical Trials Network Supportive Care Cancer Clinical Trial

Few studies have explored interventions to improve adolescent and young adult (AYA) cancer care delivery. While many AYAs receive cancer care at NCI Community Oncology Research Program (NCORP) sites, few enroll on clinical trials. Barriers and facilitators to pediatric oncologist activation of and enrollment on an AYA cross-network National Clinical Trials Network (NCTN) supportive care trial were assessed using a survey that was administered to 162 stakeholders representing all 47 children's oncology group (COG) institutions affiliated to an NCORP. Fifty-eight stakeholders participated representing 62% of all sites surveyed. Approximately half of participants (45%) were unaware of the trial. Seven sites had the study open and one enrolled a patient. Reasons for not opening and enrolling on the trial included limited research staff and resources, low anticipated accrual, and lower prioritization of the trial. Enrollment facilitators included having a local "AYA champion," improving communication between pediatric and medical oncology, and having site education on available AYA trials. Interventions focused on increasing site and provider awareness of AYA trials and decreasing local barriers to AYA enrollment are needed.

Systems-Level Change to Alleviate Barriers to Cancer Clinical Trial Access for Adolescents and Young Adults in Australia

Purpose:

International data demonstrate association between clinical trial participation and reduced cancer mortality. Adolescents and young adults (AYA) have low clinical trial enrollment rates. We established a program to understand local barriers and develop targeted solutions that lead to greater AYA clinical trial participation.

Methods:

A steering committee (SC) with expertise in adult and pediatric oncology, research ethics, and consumer representation was formed. The SC mapped barriers related to AYA trial access and established working groups (WGs) around three themes.

Results:

The Regulatory Awareness WG identified a lack of understanding of processes that support protocol approval for clinical trials across the AYA age range. A guideline to raise awareness was developed. The Access WG identified challenges for young adults (18–25 years) to access a pediatric hospital to enroll in a pediatric trial. A procedure was developed to streamline applications for access. The first six applications using this procedure have been successful. The Availability WG identified lack of pediatric–adult oncology reciprocal relationships as a barrier to awareness of open trials, and future collaboration. An AYA Craft Group Framework was established to grow relationships within tumor streams across institutions; two craft groups are now operating locally. An additional achievement was a successful request to the Therapeutic Goods Administration for Australian adoption of the Food and Drug Administration Guidance on Considerations for the Inclusion of Adolescent Patients in Adult Oncology Clinical Trials.

Conclusion:

This multipronged approach to improving AYA clinical trial access has relevance for other health environments. Our knowledge products are available as an online toolkit.

Association Between Participation in Clinical Trials and Overall Survival Among Children With Intermediate- or High-risk Neuroblastoma

IMPORTANCE

Participants in clinical trials may experience benefits associated with new therapeutic strategies as well as tight adherence to best supportive care practices.

OBJECTIVES

To investigate whether participation in a clinical trial is associated with improved survival among children with neuroblastoma and investigate potential recruitment bias of patients in clinical trials.

DESIGN, SETTING, AND PARTICIPANTS

This cohort study included pediatric patients with intermediate- or high-risk neuroblastoma in North American studies who were included in the International Neuroblastoma Risk Group Data Commons and who received a diagnosis between January 1, 1991, and March 1, 2020.

EXPOSURE

Enrollment in a clinical trial.

MAIN OUTCOMES AND MEASURES

Event-free survival and overall survival (OS) of patients with intermediate- or high-risk neuroblastoma enrolled in an up-front Children's Oncology Group (COG) clinical trial vs a biology study alone were analyzed using log-rank tests and Cox proportional hazards regression models. The racial/ethnic composition and the demographic characteristics of the patients in both groups were compared.

RESULTS

The cohort included 3058 children with intermediate-risk neuroblastoma (1533 boys [50.1%]; mean [SD] age, 10.7 [14.7] months) and 6029 children with high-risk neuroblastoma (3493 boys [57.9%]; mean [SD] age, 45.8 [37.4] months) who were enrolled in a Children's Oncology Group or legacy group neuroblastoma biology study between 1991 and 2020. A total of 1513 patients with intermediate-risk neuroblastoma (49.5%) and 2473 patients with high-risk neuroblastoma (41.0%) were also enrolled in a clinical trial, for a cohort total of 3986 of 9087 children (43.9%) enrolled in a clinical trial. The prevalence of prognostic markers for the clinical trial and non-clinical trial cohorts differed, although representation of patients from racial/ethnic minority groups was similar in both cohorts. Among patients with intermediate-risk neuroblastoma, OS was higher among those who participated in a clinical trial compared with those enrolled only in a biology study (OS, 95% [95% CI, 94%-96%] vs 91% [95% CI, 89%-94%]; P = .01). Among patients with high-risk neuroblastoma, participation in a clinical trial was not associated with OS (OS, 38% [95% CI, 35%-41%] in the clinical trial group vs 41% [95% CI, 38%-44%] in the biology study group; P = .23).

CONCLUSIONS AND RELEVANCE

Approximately 44% of patients in this large cohort of patients with neuroblastoma were enrolled in up-front clinical trials. Compared with children not enrolled in clinical trials, a higher prevalence of favorable prognostic markers was identified among patients with intermediate-risk neuroblastoma enrolled in clinical trials, and unfavorable features were more prevalent among patients with high-risk neuroblastoma enrolled in clinical trials. No evidence of recruitment bias according to race/ethnicity was observed. Participation in a clinical trial was not associated with OS in this cohort, likely reflecting the common practice of treating nontrial participants with therapeutic and supportive care regimens used in a previous therapeutic trial.

Hospitalization and mortality outcomes in the first 5 years after a childhood cancer diagnosis: a population-based study

PURPOSE

Children with cancer are frequently hospitalized. However, hospitalization and death by disease category are not well defined < 5 years from diagnosis.

METHODS

We conducted a retrospective cohort study using linked cancer registry-hospital discharge-vital records to identify cancer cases < 20 years at diagnosis during 1987-2012 (n = 4,567) and comparison children without cancer, matched on birth year and sex (n = 45,582). Data linkage identified serious morbidities resulting in cancer- and non-cancer-related hospitalizations or deaths < 5 years from diagnosis. Hazard ratios (HRs) and 95% confidence intervals (CIs) were estimated to compare relative hospitalization and mortality by disease category and after excluding cancer-related outcomes. Among cancer cases, relative risks of these outcomes for children with solid tumors compared with children with leukemia/lymphoma were also estimated.

RESULTS

Greater rates of all-cause hospitalization (281.5/1,000 vs. 6.2/1,000 person years) and death (40.7/1,000 vs. 0.15/1,000 person years) were observed in childhood cancer cases than comparators and across all diagnosis categories. Increased hospitalization (31.0/1,000 vs. 6.2/1,000 person years; HR 5.0, 95% CI 4.5-5.5) and death (1.0/1,000 vs. 0.15/1,000 person years; HR 10.4, 95% CI 5.6-19.1) rates remained when cancer-related outcomes were excluded. Although HRs for hospitalization and death did not differ greatly by treatment era, absolute rates of hospitalization were greater (1987-1999: 233.3/1,000; 2000-2012: 320.0/1,000 person years) and death were lesser (1987-1999: 46.3/1,000; 2000-2012: 36.8/1,000 person years) in the later treatment era among cases. Children with solid tumors were less likely to have a cancer-related hospitalization than were those with leukemia/lymphoma (RR 0.91, 95% CI 0.84-0.98).

CONCLUSION

Even after excluding cancer-related diagnoses, children with cancer experience greater rates of hospitalization and death in all disease categories. Results may guide future toxicity mitigation initiatives and inform anticipatory guidance for families of children with cancer.

Barriers and Facilitators to Adolescent and Young Adult Cancer Trial Enrollment: NCORP Site Perspectives

Background

Although it is well documented that adolescents and young adults (AYAs) with cancer have low participation in cancer clinical trials (CCTs), the underlying reasons are not well understood. We used the National Cancer Institute Community Oncology Research Program (NCORP) network to identify barriers and facilitators to AYA CCT enrollment, and strategies to improve enrollment at community-based and minority and/or underserved sites.

Methods

We performed one-on-one semistructured qualitative interviews with stakeholders (NCORP site principle investigators, NCORP administrators, physicians involved in enrollment, lead clinical research associates or clinical research nurses, nurse navigators, regulatory research associates, patient advocates) in the AYA CCT enrollment process. NCORP sites that included high and low AYA–enrolling affiliate sites and were diverse in geography and department representation (eg, pediatrics, medical oncology) were invited to participate. All interviews were recorded and transcribed. Themes related to barriers and facilitators and strategies to improve enrollment were identified.

Results

We conducted 43 interviews across 10 NCORP sites. Eleven barriers and 13 facilitators to AYA enrollment were identified. Main barriers included perceived limited trial availability and eligibility, physician gatekeeping, lack of provider and research staff time, and financial constraints. Main facilitators and strategies to improve AYA enrollment included having a patient screening process, physician endorsement of trials, an “AYA champion” on site, and strong communication between medical and pediatric oncology.

Conclusions

Stakeholders identified several opportunities to address barriers contributing to low AYA CCT enrollment at community-based and minority and/or underserved sites. Results of this study will inform development and implementation of targeted interventions to increase AYA CCT enrollment.

Accrual Trends for Children's Oncology Group Clinical Trials: A Single Center Experience

Children's Oncology Group (COG) has been highly successful in improving childhood cancer survival through well-designed multi-institutional clinical trials. However, our center has recognized a decline in the number of enrollments on COG therapeutic clinical trials over recent years. Our single center, retrospective analysis evaluated in detail the patient enrollment rates, annual number of available clinical trials and reason for nonenrollment over the last decade. We found a 61% decrease in enrollment for phase II to III trials of newly diagnosed patients at our center (2011-2018) along a 29% decrease in the number of open COG studies annually. The primary reason for nonenrollment was unavailability of a suitable trial (76%). We also recognized a decrease in number of adolescent and young adult enrollment particularly in the last 8 years (2010-2018); however, the enrollment rate for adolescent and young adults was not substantially different than enrollment of children. The reasons for reduced enrollments are most likely multifactorial and complex. It is imperative that we continue to develop novel clinical studies using a portfolio of federal, investigator-initiated, and industry trials for pediatric oncology patients to continue to advance outcomes, study survivorship, and improve quality of life for these patients.

Outcomes among pediatric patients with cancer who are treated on trial versus off trial: A matched cohort study

BACKGROUND

Approximately 50% of children with cancer in the United States who are aged <15 years receive primary treatment on a therapeutic clinical trial. To the authors' knowledge, it remains unknown whether trial enrollment has a clinical benefit compared with the best alternative standard therapy and/or off trial (ie, clinical trial effect). The authors conducted a retrospective matched cohort study to compare the morbidity and mortality of pediatric patients with cancer who are treated on a phase 3 clinical trial compared with those receiving standard therapy and/or off trial.

METHODS

Subjects were aged birth to 19 years; were diagnosed between 2000 and 2010 with acute lymphocytic leukemia (ALL), acute myeloid leukemia (AML), rhabdomyosarcoma, or neuroblastoma; and had received initial treatment at the Children's Hospital of Philadelphia. On-trial and off-trial subjects were matched based on age, race, ethnicity, a diagnosis of Down syndrome (for patients with ALL or AML), prognostic risk level, date of diagnosis, and tumor type.

RESULTS

A total of 428 participants were matched in 214 pairs (152 pairs for ALL, 24 pairs for AML, 32 pairs for rhabdomyosarcoma, and 6 pairs for neuroblastoma). The 5-year survival rate did not differ between those treated on trial versus those treated with standard therapy and/or off trial (86.9% vs 82.2%; P = .093). On-trial patients had a 32% lower odds of having worse (higher) mortality-morbidity composite scores, although this did not reach statistical significance (odds ratio, 0.68; 95% confidence interval, 0.45-1.03 [P = .070]).

CONCLUSIONS

There was no statistically significant difference in outcomes noted between those patients treated on trial and those treated with standard therapy and/or off trial. However, in partial support of the clinical trial effect, the results of the current study indicate a trend toward more favorable outcomes in children treated on trial compared with those treated with standard therapy and/or off trial. These findings can support decision making regarding enrollment in pediatric phase 3 clinical trials.

Assessment of enrollment characteristics for Children's Oncology Group (COG) upfront therapeutic clinical trials 2004-2015

Background

Improvements in pediatric cancer survival are attributed to cooperative clinical trials. Under-representation of specific demographic groups has been described in adult and pediatric cancer trials and poses a threat to the generalizability of results. An evaluation of data provided by the Children’s Oncology Group (COG) of upfront trial enrollment for US patients 0 to 29 years old between 2004 and 2015 was performed.

Methods

US cancer cases were estimated using incidence data and US population estimates from the Surveillance, Epidemiology, and End Results Program and compared to observed COG cases. Percent enrollment and standardized ratios of enrollment were calculated across demographic, disease, and socioeconomic groups. The COG website was utilized to quantify available trials and assess age eligibility.

Results

19.9% of estimated US cancer patients age 0 to 19 years enrolled on COG trials. Younger patients were more represented across diseases and races/ethnicities. Patients with hematologic malignancies were more represented compared to solid and central nervous system (CNS) tumors.

Conclusion

COG trial enrollment rates are declining when compared to previously published data, potentially from challenges in pediatric drug development, difficulty designing feasible trials for highly curable diagnoses, and issues ensuring trial availability for the heterogeneous group of solid and CNS tumors. Though racial/ethnic groups and county-level socioeconomic factors were proportionally represented, under representation of the adolescent/young adult (AYA) population and younger patients with solid and CNS tumors remains a concern. Targeted efforts should focus on these subgroups and further research should evaluate AYA enrollment rates across all available trials.

Systematic review of barriers and facilitators to clinical trial enrollment among adolescents and young adults with cancer: Identifying opportunities for intervention

Adolescents and young adults (AYAs) are underrepresented in cancer clinical trials (CCTs). Limited trial enrollment slows progress in improving survival rates and prevents the collection of valuable biospecimens. A systematic literature review was conducted to assess barriers and facilitators to AYA enrollment in CCTs and to identify opportunities to improve enrollment. The PubMed MEDLINE, Web of Science, Scopus, and PsycINFO databases were searched to identify studies relevant to AYA CCT enrollment. Eligibility criteria included the qualitative and/or quantitative evaluation of barriers and facilitators to AYA enrollment. One hundred fifty-five unique publications were identified; 13 were included in the final analysis. Barriers to AYA enrollment in CCTs included a lack of existing trials applicable to the patient population, limited access to available CCTs, and a lack of physician awareness of relevant trials. Facilitators of enrollment included optimizing the research infrastructure, improving the awareness of available CCTs among providers, and enhancing communication about CCTs between providers and patients. In conclusion, the limited available research reports institution- and patient-level barriers and facilitators to AYA CCT enrollment. Because of persistent disparities in AYA enrollment, there is an urgent need to further identify the barriers and facilitators to AYA CCT enrollment to determine actionable areas for intervention.

The Children's Oncology Group Adolescent and Young Adult Responsible Investigator Network: A New Model for Addressing Site-Level Factors Impacting Clinical Trial Enrollment

Purpose: In the Children's Oncology Group (COG), there is precedent for scientific committees designating institutional Responsible Investigators (RIs) to promote clinical trial enrollment and coordinate related research activities. In response to low enrollment of adolescents and young adults (AYAs) on COG clinical trials, the COG AYA RI Network was established. Leveraging this network, we undertook an initiative to identify site-level factors influencing AYA enrollment. Methods: The overarching goal of the AYA RI Network is to increase AYA enrollment onto COG trials. At each site, RIs highlight AYA disparities, facilitate activation of relevant trials, improve recruitment processes, and expand interactions with medical oncologists. Through a series of monthly national webinars and workshops, participating RIs reported local barriers and facilitators enrolling AYAs. A mixed-methods approach was utilized to determine major themes of factors affecting site-level enrollment. Results: For this report, there were 145 participating RIs representing 122 demographically and geographically diverse sites. There were 13 interactive webinars and 3 symposia involving 25 speakers focused on addressing enrollment barriers. Major thematic categories for site-level barriers were (1) Lack of available trials; (2) Poor communication between pediatric and medical oncology; (3) Logistical constraints to accessing trials; and (4) Need for leadership support, sufficient resources and appropriate policies. Conclusion: The COG AYA RI Network has identified multiple site-level barriers impeding AYA clinical trial enrollment and represents a novel model for developing and implementing appropriate solutions through a nationally coordinated strategy.

Adolescent and young adult oncology-past, present, and future

There are nearly 70,000 new cancer diagnoses made annually in adolescents and young adults (AYAs) in the United States. Historically, AYA patients with cancer, aged 15 to 39 years, have not shown the same improved survival as older or younger cohorts. This article reviews the contemporary cancer incidence and survival data through 2015 for the AYA patient population based on the National Cancer Institute's Surveillance, Epidemiology, and End Results registry program and the North American Association of Central Cancer Registries. Mortality data through 2016 from the Centers for Disease Control and Prevention's National Center for Health Statistics are also described. Encouragingly, absolute and relative increases in 5-year survival for AYA cancers have paralleled those of childhood cancers since the year 2000. There has been increasing attention to these vulnerable patients and improved partnerships and collaboration between adult and pediatric oncology; however, obstacles to the care of this population still occur at multiple levels. These vulnerabilities fall into 3 significant categories: research efforts and trial enrollment directed toward AYA malignancies, access to care and insurance coverage, and AYA-specific psychosocial support. It is critical for providers and health care delivery systems to recognize that the AYA population remains vulnerable to provider and societal complacency.

Dynamics and Challenges of Clinical Trials in Adolescents and Young Adults With Cancer

Inclusion in cancer clinical trials is considered the optimal standard of care, offering improved patient experience and progressive survival gains for subsequent generations of patients. Adolescent and young adult (AYA) patients are underrepresented in cancer research; consequently, improvements in outcomes for AYAs lag behind their pediatric and adult counterparts. Despite international evidence of underrepresentation in research, systematically tested interventions to improve recruitment for AYAs do not exist, and recruitment rates for AYAs continue to be lower than those for children. We review recruitment of AYAs into trials and discuss barriers and facilitators.

Compassionate use of gene therapies in pediatrics: An ethical analysis

In this commentary, we raise concerns about the compassionate use of CRISPR-mediated gene therapies in pediatric and perinatal patients. There is already a precedent for obtaining gene therapies for pediatric patients through compassionate use programs, and the recent passage of a federal Right to Try law may contribute to an increase in the number of patients who seek access to investigational products outside of a clinical trial. Clinicians, nurses, drug companies, and parents need support as they grapple with whether compassionate use of CRISPR-mediated gene therapies is the right thing to pursue for a child. We raise three issues to consider in that decision: (1) the effects of compassionate use on scientific research; (2) hype and harms of gene therapies; and (3) the limits and scope of parental authority.

Adolescent angst: enrollment on clinical trials

Survival among adolescents and young adults (AYAs) ages 15 to 39 with cancer has not improved to the same extent as that of pediatric and older adult cancer patients, which is thought to relate, in part, to the lower participation of AYAs in clinical trials. Because significant efforts have been made to improve clinical trial enrollment for AYAs, we (1) present contemporary clinical trial enrollment rates by cancer type, sociodemographic characteristics, and treatment setting and (2) discuss provider-, patient-, and system-level barriers to clinical trial participation. Contemporary studies examining clinical trial enrollment among AYAs have continued to find low overall participation relative to pediatric populations, with most studies observing no significant improvements in enrollment over time. In addition to age and cancer type, enrollment varies by treatment setting, health insurance, and race/ethnicity. Access to available clinical trials may be increased by appropriate referral of AYAs to pediatric and adult specialty cancer centers with studies relevant to the AYA population because most AYAs are treated in the community setting. Even with similar access to trials, however, AYAs may be less likely to participate, and therefore, future efforts should focus on better understanding and addressing barriers to enrollment as well as improving education and outreach regarding clinical trials.

A prospective comparison of cancer clinical trial availability and enrollment among adolescents/young adults treated at an adult cancer hospital or affiliated children's hospital

BACKGROUND

Low cancer clinical trial (CCT) enrollment may contribute to survival disparities affecting adolescents and young adults (AYAs) (ages 15-39 years). The objective of this study was to evaluate whether differences in CCT availability related to treatment site could explain the low CCT enrollment.

METHODS

This prospective, observational cohort study was conducted at an academic children's hospital and its affiliated but geographically separated adult cancer hospital within a National Cancer Institute-designated Comprehensive Cancer Center. For consecutive, newly diagnosed AYA patients, it was determined whether an appropriate CCT existed nationally, was available at the treatment site, and was used for enrollment. Proportions of AYAs in these categories were compared between sites using the chi-square test.

RESULTS

One hundred fifty-two consecutive AYA patients were included from the children's hospital (n = 68; ages 15-20 years) and the adult cancer hospital (n = 84; ages 18-39 years). Although there was no difference in CCT existence for individual AYA patients by site (children's hospital [36 of 68 patients; 52.9%] vs adult cancer hospital [45 of 84 patients; 53.6%]; P = .938), CCT availability was significantly lower at the adult cancer hospital (14 of 84 patients [16.7%] vs 30 of 68 [44.1%] at the children's hospital; P < .001). The proportion of AYAs enrolled was low at both sites (8 of 68 patients [11.8%] vs 6 of 84 patients [7.1%], respectively; P = .327). Fewer existing CCTs were available at the adult cancer hospital (4 of 27 patients [14.8%] vs 8 of 14 patients [57.1%], respectively), and those were directed toward solid tumors and new agents.

CONCLUSIONS

Efforts to improve low CCT enrollment among AYAs should be differentiated by treatment site. In the adult setting, these efforts should be aimed at improving CCT availability by overcoming site-level barriers to opening existing CCTs.

Enhancing accrual to clinical trials of adolescents and young adults with cancer

Underrepresentation of young people in cancer research is an international phenomenon and may contribute to poorer outcomes. We sought to identify systematically tested interventions and strategies to improve recruitment. The review identified 13 papers. The following four themes emerged: trial availability/regulatory factors; service configuration/place-of-care factors; recruitment methods and developmental factors specific to young people. We could not identify any studies that had employed prospective interventions to improve recruitment. Without available research studies in which to garner data on adolescents and young adults, we will always be constrained in our ability to provide evidence based care with resultant limitations on our ability to improve outcomes.

A prospective, observational cohort study comparing cancer clinical trial availability and enrollment between early adolescents/young adults and children

BACKGROUND

Poor enrollment of adolescents and young adults (AYAs) (ages 15-39 years) onto cancer clinical trials (CCTs) may contribute to inferior survival gains compared with children. In this study, the authors assessed whether differences in CCT availability would explain lower CCT enrollment for early AYAs (eAYAs) (ages 15-21 years).

METHODS

This prospective, observational cohort study was conducted at a single academic children's hospital. For consecutive patients who were newly diagnosed with cancer over a 13-month period, it was determined whether an appropriate CCT existed nationally or was available locally and whether enrollment on that CCT occurred. The proportions of eAYAs versus children in each category were compared using the chi-square test. The impact of age and other factors on enrollment status was assessed using logistic regression analysis.

RESULTS

Among 216 patients, 58 were eAYAs, and 158 were children. There was no difference in the proportion of eAYAs versus children who had an existing CCT (28 of 58 eAYAs [48.3%] vs 85 of 158 children [53.8%]; P = .47) or an available CCT (23 of 58 eAYAs [39.7%] vs 75 of 158 children [47.5%]; P = .31). However, significantly fewer eAYAs were enrolled when a CCT was available (7 of 23 eAYAs [30.4%] vs 50 of 75 children [67.7%]; P = .002). In multivariable analysis, eAYAs were significantly less likely than children to be enrolled in an available CCT (adjusted odds ratio, 0.22; 95% confidence interval, 0.08-0.62).

CONCLUSIONS

Equal proportions of children and eAYAs had CCTs available, but significantly fewer eAYAs were enrolled. These findings suggest that, for eAYAs, factors other than CCT availability are important enrollment barriers and should be addressed. Cancer 2018;124:983-90. © 2017 American Cancer Society.

No improvement in clinical trial enrollment for adolescents and young adults with cancer at a children's hospital

BACKGROUND

We have previously published data from 2001 to 2006 showing that adolescent and young adult (AYA) oncology patients have significantly lower therapeutic clinical trial enrollment rates than younger patients. Our objective was to determine if the enrollment of AYA patients on therapeutic studies at the same institution has improved in recent years with the greater focus on this population locally and nationally.

METHODS

We retrospectively analyzed cancer registry data at the Children's Hospital of Pittsburgh (CHP) for all new oncologic diagnoses between January 2010 and December 2014. These data included age, gender, diagnosis, race and whether the patient was enrolled on an open treatment study. Univariate analyses were carried out to compare demographic data between AYA patients (aged 15-22) who enrolled on study and those who did not.

RESULTS

Eight hundred sixty-five new oncology patients were seen at CHP during this time, 23% of whom were 15 years or older; 33% of all patients were treated on a clinical trial, including 34% of younger patients and 24% of older patients (P = 0.0017). The differences between these rates and those from prior years in both age groups (38% and 27%, respectively) were not statistically significant (P = 0.15, 0.53). The most common reason for the low enrollment rates was again the lack of an open therapeutic trial.

CONCLUSION

Despite initiatives at CHP and on the national level to enroll more AYA patients on clinical trials, our most recent data show no improvement. This is a potentially remediable factor that needs to continue to be prioritized nationally.

Are survival and mortality rates associated with recruitment to clinical trials in teenage and young adult patients with acute lymphoblastic leukaemia? A retrospective observational analysis in England

OBJECTIVE

Participation rates in clinical trials are low in teenagers and young adults (TYA) with cancer. Whilst the importance of clinical trials in informing best practice is well established, data regarding individual patient benefit are scarce. We have investigated the association between overall survival and trial recruitment in TYA patients with acute lymphoblastic leukaemia (ALL).

DESIGN

Retrospective.

SETTING

National (England) TYA patients treated for ALL.

PARTICIPANTS

511 patients aged 15-24 years diagnosed with ALL between 2004 and 2010 inclusive, of whom 239 (46.7%) participated in the UKALL2003 trial.

OUTCOME MEASURES

Patients were identified using National Clinical Trial (UKALL2003) and Cancer Registry (National Cancer Data Repository, English National Cancer Online Registration Environment) Databases. Relative survival rates were calculated for trial and non-trial patients and observed differences were modelled using a multiple regression approach. The numbers and percentages of deaths in those patients included in the survival analysis were determined for each 3-month period, p values were calculated using the two-tailed z-test for difference between proportions and 95% CIs for percentage deaths were derived using the binomial distribution based on the Wilson Score method.

RESULTS

Patients treated on the trial had a 17.9% better 2-year survival (85.4% vs 67.5%, p<0.001) and 8.9% better 1-year survival (90.8% vs 81.9%, p=0.004) than those not on the trial. 35 (14.6%) patients recruited to the trial died in the 2 years following diagnosis compared with 86 (32.6%) of those not recruited (p<0.001).

CONCLUSIONS

TYA patients recruited to the clinical trial UKALL 2003 in England had a lower risk of mortality and a higher overall survival than contemporaneous non-trial patients. These data underline the potential for individual patient benefit in participating in a clinical trial and the importance of international efforts to increase trial participation in the TYA age group.

TRIAL REGISTRATION NUMBER

ISRCTN07355119.

Most children with cancer are not enrolled on a clinical trial in Canada: a population-based study

Background

Primary objective was to describe the proportion of children newly diagnosed with cancer enrolled on a therapeutic clinical trial. Secondary objectives were to describe reasons for non-enrollment and factors associated with enrollment on trials.

Methods

In this retrospective cohort study, we included children newly diagnosed with cancer between 0 and 14 years of age and diagnosed from 2001 to 2012. We used data from the Cancer in Young People in Canada (CYP-C) national pediatric cancer population-based database. CYP-C captures all cases of pediatric cancer (0–14 years) diagnosed and treated at one of the 17 tertiary pediatric oncology centers in Canada. Non-enrollment was evaluated using univariate and multiple logistic regression analysis.

Results

There were 9204 children with cancer included, of whom 2533 (27.5%) were enrolled on a clinical trial. The most common reasons cited for non-enrollment were lack of an available trial (52.2%) and physician choice (11.2%). In multiple regression, Asian and Arab/west Asian race were associated with lower enrollment (P = 0.006 and P = 0.032 respectively). All cancer diagnoses were more likely to be enrolled compared to astrocytoma and children with acute lymphoblastic leukemia had an almost 18-fold increased odds of enrollment compared to astrocytoma (P < 0.0001). Greater distance from the tertiary care center was independently associated with non-enrollment (P < 0.0001).

Conclusions

In Canada, 27.5% of children with cancer are enrolled onto therapeutic clinical trials and lack of an available trial is the most common reason contributing to non-enrollment. Future research should better understand reasons for lack of trial availability and physician preferences to not offer trials.

Disparities in Adolescents and Young Adults With Cancer

BACKGROUND

Cancer care for adolescents and young adults (AYAs) focuses on the care of patients aged 15 to 39 years. Historically, this group has favorable outcomes based on a preponderance of diagnoses such as thyroid cancers and Hodgkin lymphoma. Improvements in outcomes among the AYA population have lagged behind compared with younger and older populations.

METHODS

We discuss and review recent progress in AYA patient care and highlight remaining disparities that exist, including financial disadvantages, need for fertility care, limited clinical trial availability, and other areas of evolving AYA-focused research.

RESULTS

Survival rates have not improved for this age group as they have for children and older adults. Disparities are present in the AYA population and have contributed to this lack of progress.

CONCLUSIONS

Recognizing disparities in the care of AYAs with cancer has led many medical specialty disciplines to improve the lives of these patients through advocacy, education, and resource development. Research addressing barriers to clinical trial enrollment in this population, quality-of-life issues, and the improvement of survivorship care is also under way.

Adolescent and young adult cancer: principles of care

Adolescents and young adults (ayas) with cancer in active treatment face a number of barriers to optimal care. In the present article, we focus on the 3 critical domains of care for ayas-medical, psychosocial, and research-and how changes to the system could overcome barriers. We summarize the current literature, outline recommended principles of care, raise awareness of barriers to optimal care, and suggest specific changes to the system to overcome those barriers in the Canadian context. Many of the recommendations can nevertheless be applied universally. These recommendations are endorsed by the Canadian Task Force on Adolescents and Young Adults with Cancer and build on outcomes from two international workshops held by that group.

Next steps for adolescent and young adult oncology workshop: An update on progress and recommendations for the future

Each year, 70,000 adolescents and young adults (AYAs) between ages 15 and 39 years in the United States are diagnosed with cancer. In 2006, a National Cancer Institute (NCI) Progress Review Group (PRG) examined the state of science associated with cancer among AYAs. To assess the impact of the PRG and examine the current state of AYA oncology research, the NCI, with support from the LIVESTRONG Foundation, sponsored a workshop entitled "Next Steps in Adolescent and Young Adult Oncology" on September 16 and 17, 2013, in Bethesda, Maryland. This report summarizes the findings from the workshop, opportunities to leverage existing data, and suggestions for future research priorities. Multidisciplinary teams that include basic scientists, epidemiologists, trialists, biostatisticians, clinicians, behavioral scientists, and health services researchers will be essential for future advances for AYAs with cancer.

Case-linked analysis of clinical trial enrollment among adolescents and young adults at a National Cancer Institute-designated comprehensive cancer center

BACKGROUND

Poor accrual to cancer clinical trials may contribute to the lower improvement in survival observed for adolescents and young adults (AYAs) (those aged 15-39 years) with cancer. This has been difficult to quantify without reliable mechanisms to link incident cases with study enrollments. Using unique resources available at their National Cancer Institute-designated comprehensive cancer center, the authors compared the percentage of AYAs, children, and older adults enrolled onto cancer clinical trials and determined predictors of enrollment.

METHODS

Patients diagnosed with cancer from January 2008 through December 2012 at 1 pediatric and 2 adult University of Southern California hospitals were identified through the California Cancer Registry and individually linked to institutional trial enrollment databases. The availability of clinical trials was assessed.

RESULTS

Across the center, the enrollment percentage for AYAs (6%) was equal to that of older adults (6%), but was less than that for children (22%) (P < .01). Within the children's hospital, the AYA enrollment percentage was also less than that for children (15% vs 23%, respectively; P<.01). On multivariate analysis, diagnosis and site of care were found to be predictive of AYA enrollment onto therapeutic and nontherapeutic studies. Hispanic and Asian/Pacific Islander individuals were more likely to enroll onto nontherapeutic studies compared with non-Hispanic whites, but no racial/ethnic difference was observed for therapeutic studies.

CONCLUSIONS

In the current study, the percentages of AYAs and older adults enrolled onto therapeutic trials were low but similar. Diagnosis, site of care, and race/ethnicity appear to be predictive of enrollment. Prospective mechanisms must be instituted to capture reasons for nonenrollment of AYAs and develop corrective interventions.

Use of patient registries and administrative datasets for the study of pediatric cancer

Analysis of data from large administrative databases and patient registries is increasingly being used to study childhood cancer care, although the value of these data sources remains unclear to many clinicians. Interpretation of large databases requires a thorough understanding of how the dataset was designed, how data were collected, and how to assess data quality. This review will detail the role of administrative databases and registry databases for the study of childhood cancer, tools to maximize information from these datasets, and recommendations to improve the use of these databases for the study of pediatric oncology.

Adolescent and Young Adult (AYA) Oncology in the United States: A Specialty in Its Late Adolescence

Over the last 30 years, it has become apparent that oncology patients ages 15 to 39 have not reaped the same rewards of improved survival that we have seen in younger and older patients. As a result, in 2006 the Adolescent and Young Adult (AYA) Oncology Progress Review Group convened and examined the factors that impact the care of the 70,000 new cases per year (approximately 7% of all new cases) in the United States and published their findings. The reasons for inferior survival gains are of course multiple and include the settings in which patients are cared for, clinical trial enrollment, insurance coverage, varied treatment of sarcomas, varied treatment of acute lymphoblastic leukemia, the psychosocial impact of cancer and cancer survivorship. A new area of a yet-to-be completely defined subspecialty was born out of this meeting: AYA oncology. As a medical community we realized that these patients do not fit neatly into the pediatric nor adult world and, therefore, require a unique approach which many individuals, oncology centers, advocacy groups, and cooperative trial groups have started to address. This group of dedicated providers and advocates has made strides but there is still much work to be done on the local, national, and international level to make up for shortcomings in the medical system and improve outcomes. We review key components of AYA cancer care in 2015 that all providers should be aware of, how far we have come, where this movement is headed, and the obstacles that continue to stand in the way of better cure rates and quality of life after cure for this unique group of patients. Like an adolescent maturing into adulthood, this movement has learned from the past and is focused on moving into the future to achieve its goals.

The Clinical Trials Gap for Adolescents and Young Adults with Cancer: Recent Progress and Conceptual Framework for Continued Research

Over the past 30 years, adolescents and young adults (AYA, 15-39 years of age) with cancer have shown significantly less improvement in survival than younger and older patients. Because evidence suggests this may be related to their low participation in cancer clinical trials, increasing accrual to these trials has become a priority for closing this "AYA gap." This paper reviews data documenting low AYA enrollment, presents a conceptual framework for research and intervention (Clinical Trials Pathway to Enrollment) and summarizes recent developments in the United States National Cancer Institute-sponsored clinical trials enterprise that are expected to improve AYA enrollment, including the National Clinical Trials Network (NCTN) and expanded scientific collaboration between the Children's Oncology Group and adult NCTN groups. While time will be required for the effects of these changes to be fully realized, they offer a mechanism for facilitating the breadth of clinical/translational research needed for advancing AYA oncology and measuring its impact.

Enrollment in clinical cancer trials: how are we doing and what are the obstacles to improving enrollment rates? A 2-year retrospective review of pediatric cancer trial enrollment in New Zealand

Clinical trials contribute to the establishment of the best therapy for children with cancer. This study looks at rates of enrollment in therapeutic clinical trials over a 2-year period in New Zealand and examines the reasons for nonenrollment. All new diagnoses of cancer in children aged 16 or younger over the period of 1 January, 2009 to 31 December, 2010 were identified through the New Zealand Child Cancer Registry. Clinical trial enrollment status was identified from the medical records. For those not enrolled, the reason for nonenrollment was ascertained. A total of 28% of children diagnosed with cancer who received chemotherapy with curative intent in this time period were enrolled on clinical trials. The 2 most common reasons for nonenrollment in this study were that no study was open locally in which to enroll children (27%) or that previously open-clinical trials were closed to accrual at the time of the child's diagnosis (20%). In New Zealand, enrollment rates on clinical trials for children with cancer are lower than expected.

Algorithm for analysis of administrative pediatric cancer hospitalization data according to indication for admission

Background

Childhood cancer relies heavily on inpatient hospital services to deliver tumor-directed therapy and manage toxicities. Hospitalizations have increased over the past decade, though not uniformly across childhood cancer diagnoses. Analysis of the reasons for admission of children with cancer could enhance comparison of resource use between cancers, and allow clinical practice data to be interpreted more readily. Such comparisons using nationwide data sources are difficult because of numerous subdivisions in the International Classification of Diseases Clinical Modification (ICD-9) system and inherent complexities of treatments. This study aimed to develop a systematic approach to classifying cancer-related admissions in administrative data into categories that reflected clinical practice and predicted resource use.

Methods

We developed a multistep algorithm to stratify indications for childhood cancer admissions in the Kids Inpatient Databases from 2003, 2006 and 2009 into clinically meaningful categories. This algorithm assumed that primary discharge diagnoses of cancer or cytopenia were insufficient, and relied on procedure codes and secondary diagnoses in these scenarios. Clinical Classification Software developed by the Healthcare Cost and Utilization Project was first used to sort thousands of ICD-9 codes into 5 mutually exclusive diagnosis categories and 3 mutually exclusive procedure categories, and validation was performed by comparison with the ICD-9 codes in the final admission indication. Mean cost, length of stay, and costs per day were compared between categories of indication for admission.

Results

A cohort of 202,995 cancer-related admissions was grouped into four categories of indication for admission: chemotherapy (N=77,791, 38%), to undergo a procedure (N=30,858, 15%), treatment for infection (N=30,380, 15%), or treatment for other toxicities (N=43,408, 21.4%). The positive predictive value for the algorithm was >95% for each category. Admissions for procedures had higher mean hospital costs, longer hospital stays, and higher costs per day compared with other admission reasons (p<0.001).

Conclusions

This is the first description of a method for grouping indications for childhood cancer admission within an administrative dataset into clinically relevant categories. This algorithm provides a framework for more detailed analyses of pediatric hospitalization data by cancer type.

Electronic supplementary material

The online version of this article (doi:10.1186/1472-6947-14-88) contains supplementary material, which is available to authorized users.

Clinical trial enrollment among adolescents with cancer: supplement overview

BACKGROUND

Survival rates for children with cancer have significantly increased over the past 35 years. However, adolescents with cancer aged 15 to 19 years have had less progress in survival prolongation compared with younger children, which may be due to lower clinical trial enrollment among adolescents with cancer. To help address this issue, the Centers for Disease Control and Prevention (CDC) convened a series of webinars to identify salient issues and measures to address this problem. This supplement is intended to raise awareness about the unique challenges of clinical trial enrollment among adolescents with cancer.

METHODS

The CDC convened a workgroup of researchers and health care providers in the field of adolescent and young adult oncology and cancer survivorship to examine the barriers and challenges limiting the participation of adolescents in clinical trials and to define ways to improve on these concerns.

RESULTS

The workgroup identified 3 distinct issues affecting clinical trial enrollment among adolescents with cancer: (1) many adolescents with cancer are not referred to institutions where clinical trials are offered, (2) there are limited numbers of clinical trials for adolescents with cancer, and (3) psychosocial barriers impede adolescents with cancer from enrolling in clinical trials.

CONCLUSIONS

Adolescents with cancer have the smallest proportion and least number of patients enrolled in clinical trials in pediatric oncology. Successfully addressing this challenge requires improving referral to existing clinical trials, addressing regulatory barriers to clinical trial enrollment, increasing the number of clinical trials for adolescents, and addressing unique psychosocial barriers to clinical trial enrollment.

Treatment setting, clinical trial enrollment, and subsequent outcomes among adolescents with cancer: a literature review

BACKGROUND

There has been an overall improvement in survival rates for persons with cancer over the past 35 years. However, these gains are less prevalent among adolescents with cancer aged 15 to 19 years, which may be due to lower clinical trial enrollment among adolescents with cancer.

METHODS

We conducted a literature review to assess current research regarding clinical trial enrollment and subsequent outcomes among adolescents with cancer. The search included English-language publications that reported original data from January 1985 to October 2011.

RESULTS

The search identified 539 records. Of these 539 records, there were 30 relevant original research articles. Multiple studies reported that adolescents with cancer are enrolled in clinical trials at lower rates compared with younger children and older adults. Treatment setting, physician type, and institution type may all be factors in the low enrollment rate among adolescents. Few data focused solely on adolescents, with many studies combining adolescents with young adults. The number of available studies related to this topic was limited, with significant variability in study design, methods, and outcomes.

CONCLUSIONS

This literature review suggests that adolescents with cancer are not treated at optimal settings and are enrolled in clinical trials at low rates. This may lead to inferior treatment and poor subsequent medical and psychosocial outcomes. The scarcity in data further validates the need for additional research focusing on this population.

Improving enrollment in clinical trials for adolescents with cancer

Overall cancer cure rates have risen over the last 30 years. Adolescent and young adult (AYA) oncology patients aged 15 to 39 have not shared in these successes as an age group, including those who fall into the younger age group of 15 to 19 years. The reasons for this deficit in survival improvement are manifold, but research has shown that an important factor is decreased enrollment in therapeutic clinical trials in this population versus younger patients. The paucity of adolescents treated in clinical trials is itself the result of several elements of the health care landscape in the United States. On the local level, these factors include referral patterns and facilities available; on the national level, related factors include the number of clinical trials available for this age group and health care provider education in the care of these patients. We examine the data available that have contributed to this deficit in the United States and offer broad strategies to address these shortcomings with the goal of improving outcomes in this underserved population.

A Qualitative Study of Phase III Cancer Clinical Trial Enrollment Decision-Making: Perspectives from Adolescents, Young Adults, Caregivers, and Providers

Purpose: The mortality reduction rate for adolescents and young adults (AYAs) with cancer has not demonstrated the same rate of improvement as for children, due partly to insufficient phase III cancer clinical trial enrollment. This study describes three key components of phase III cancer clinical trial enrollment-family decision-making patterns, factors that influence AYAs' involvement, and attitudes (perceived barriers and benefits) toward trial participation-and evaluated a measure of attitudes. Methods: Participants were AYAs (15-23 years old at study) diagnosed with cancer and offered a phase III cancer clinical trial within the past 3-21 months, their primary caregivers, and their healthcare providers. Interviews assessed: (a) phase III clinical trial decision-making experiences and (b) relevance of the Pediatric Research Participation Questionnaire (PRPQ) in the assessment of AYAs' attitudes toward enrollment on phase III cancer clinical trials. Results: Thirteen AYAs, 16 caregivers, and 11 providers were interviewed. Four decision-making patterns were identified, with AYA abdicates to caregiver and caregiver-based and AYA-endorsed the most commonly described, but with variation across respondents. Distress and reduced health-related quality of life limited AYAs' involvement in the enrollment decision, while developmental and emotional maturity facilitated involvement. Perceived barriers and benefits to enrollment were reported, and the PRPQ was deemed relevant with minor modifications. Conclusions: Findings suggest that AYAs may not be fully involved in phase III cancer clinical trial enrollment decision-making, and caregivers and providers are challenged to overcome factors that limit their involvement. The PRPQ shows promise as a tool for systematically evaluating clinical trial attitudes.

Willingness to participate in clinical trials among patients of Chinese heritage: a meta-synthesis

BACKGROUND

Subjects of Chinese heritage have been found to participate in clinical research at lower rates than other groups despite growing in numbers as a population. While much research has examined research participants' motivation, there has not been a comprehensive synthesis of this information with respect to participants of Chinese descent. We sought to identify the factors that promote and hinder participation in clinical research among participants of Chinese heritage.

METHODOLOGY/PRINCIPAL FINDINGS

We conducted a systematic review of the literature in Pubmed, OpenJGATE, SCIRUS, and COCHRANE databases and performed a meta-synthesis of retrieved articles. We extracted qualitative data, such as quotes to identify emerging themes. We identified five studies that met our selection criteria. Of them, only one (1/5) was conducted in China while other studies involved Chinese emigrants in USA (3/5) and Singapore (1/5). Participants from China were similar to emigrants with regard to factors that either promoted or decreased research participation. Four studies reported data exclusively on Chinese subjects. Three of the five studies involved qualitative interviews while the others were conducted using a survey design. Six themes favoring research participation were identified: Personal Benefit to Participants, Financial Incentives, Participant Sense of Altruism, Family or Physician Recommendations, Advertisements, and Convenience to the Participant. Five factors were seen as a barrier to participation in clinical trials: Mistrust of Researchers, Language Barrier, Lack of Financial and Other Support, Cultural and Social Barriers, Lack of Knowledge about Clinical Trials.

CONCLUSIONS/SIGNIFICANCE

Chinese heritage clinical research participants value personal benefit, financial incentives, the ability to help others, recommendations of others, advertisements, and convenience when considering clinical research participation. In addition, the establishment of trust and addressing knowledge deficits are important factors to them. Investigators seeking to optimize enrolment in these populations should incorporate these findings into their study design and subject handouts.

Improved clinical trial enrollment in adolescent and young adult (AYA) oncology patients after the establishment of an AYA oncology program uniting pediatric and medical oncology divisions

BACKGROUND

Since 1975, there has been a dramatic increase in the survival rates of pediatric and older cancer patients, but adolescent and young adult (AYA) patients ages 15 to 40 years have not had a similar improvement. Data indicate a direct correlation between increased cure rates and clinical trial enrollment.

METHODS

The authors previously published data indicating inferior clinical trial enrollment when AYA patients were treated at an adult oncology center versus a pediatric oncology center. To address this deficit, a joint pediatric and adult AYA Oncology Program was established in July 2006 with the primary objective of improving outcomes by increasing therapeutic clinical trial enrollment in this population. Patients who were referred to that program from July 2006 through June 2010 were examined retrospectively to establish whether clinical trial enrollment increased compared with historic controls.

RESULTS

Fifty-seven patients were referred to the program from 2006 to 2010 (range, 12-16 new patients per year). Eight patients were referred for consultation only and were not treated at the University of Pittsburgh Cancer Institute or Children's Hospital of Pittsburgh. Five of 22 patients (23%) who received treatment at the pediatric cancer center were enrolled onto a clinical trial, whereas 9 of 27 patients (33%) patients who received treatment at the adult cancer center were enrolled. There was superior trial participation compared with the previous 3 years for those shared AYA patients who were treated at the adult center (P < .001).

CONCLUSIONS

Data from this study demonstrated that establishing a unified AYA oncology program can lead to improved clinical trial enrollment for patients who are treated at medical oncology centers.

Malignant hematologic diseases in adolescents and young adults

Adolescents and young adults (AYA) with cancer have been designated as a vulnerable population by the National Cancer Institute. This group, defined by the ages of 16-39 years, has not enjoyed the same survival improvements over the past several decades as older and younger cohorts. Several barriers prevent the optimal delivery of oncologic care in this subpopulation. This review will describe these challenges in the context of the major hematologic malignancies affecting this population (acute lymphoblastic leukemia [ALL], acute myeloid leukemia [AML], Hodgkin lymphoma [HL], and non-Hodgkin lymphoma [NHL]). For example, historical differences in care delivery between pediatric and adult health care systems have created confusion about optimal treatment planning for AYAs, a population that spans the pediatric-adult divide. In the case of ALL, retrospective studies have demonstrated significantly better outcomes when AYAs are treated according to pediatric and not adult protocols. Additional challenges more specific to AYAs include increased treatment-related toxicity relative to younger patients; less access to care and, specifically, access to clinical trials; lower adherence to medications and treatment plans; and psychosocial stressors relevant to individuals at this stage of life. Recognizing and responding to these challenges in AYAs may create opportunities to improve the cancer outcomes of this group.

Physical activity and health-related quality of life in young adult cancer survivors: a Canadian provincial survey

OBJECTIVES

Physical activity (PA) improves health-related quality of life (HRQL) in several cancer survivor groups but no studies have focused on young adult cancer survivors (YACS). This study determined the prevalence of PA in YACS and examined dose-response associations with HRQL.

METHODS

A random sample of 2,000 YACS between the ages of 20-44 were identified through a Canadian provincial cancer registry and mailed a survey that included the Leisure-Time Exercise Questionnaire, the Medical Outcomes Study 36-Item Short Form (SF36) survey, and several validated psychosocial scales. The primary endpoint was the physical component summary (PCS) of the SF36.

RESULTS

Completed questionnaires were received from 588 YACS. In terms of PA prevalence, 23% were completely sedentary, 25% were insufficiently active, 22% were active within public health guidelines, and 29% were active above public health guidelines. Analysis of covariance adjusted for important medical and demographic covariates showed a statistically significant and clinically meaningful dose-response association between PA and the PCS that spanned 6.3 points (95% confidence interval [CI] 3.7 to 8.8; p < 0.001) from completely sedentary to within guidelines. Similar associations were found for the mental component summary scale (p = 0.002), depression (p < 0.001), stress (p < 0.001) and self-esteem (p < 0.001). Associations between PA and HRQL were stronger for YACS that had previously received chemotherapy.

CONCLUSIONS

PA is strongly associated with HRQL in YACS but only half of YACS are meeting public health guidelines and almost a quarter are completely sedentary. Randomized controlled trials examining intervention strategies to increase PA and improve health outcomes in this understudied patient population are warranted.

Recruitment of adolescents and young adults to cancer clinical trials--international comparisons, barriers, and implications

The last 30 years have seen significant improvements in survival rates for children and older adults. In contrast, the 5-year survival rate among 20 to 39 year olds has been static at around 70% since 1986. Data from the United States, Australia, Italy, and the United Kingdom suggest that this age group also has the lowest rate of clinical trial participation. In the United States, just 2% of patients aged 20 to 29 years enter trials, in contrast with an estimated 60% of patients under 15 years of age. In the United Kingdom, the nadir in accrual is for patients aged 35 to 39 years, of whom only 7.5% are recruited, compared to 52.7% of patients below 15 years of age. This level of trial activity may be associated with the lack of improvement in survival for the older age group. Strategies to increase the numbers of adolescents and young adults (AYA) recruited to cancer clinical trials have become a focus of research activity in several countries. This article explores possible barriers to recruitment of AYA and summarizes current policies in the United States and the United Kingdom to increase accrual of young adults with cancer to clinical trials.

What leads Indians to participate in clinical trials? A meta-analysis of qualitative studies

Background

With the globalization of clinical trials, large developing nations have substantially increased their participation in multi-site studies. This participation has raised ethical concerns, among them the fear that local customs, habits and culture are not respected while asking potential participants to take part in study. This knowledge gap is particularly noticeable among Indian subjects, since despite the large number of participants, little is known regarding what factors affect their willingness to participate in clinical trials.

Methods

We conducted a meta-analysis of all studies evaluating the factors and barriers, from the perspective of potential Indian participants, contributing to their participation in clinical trials. We searched both international as well as Indian-specific bibliographic databases, including Pubmed, Cochrane, Openjgate, MedInd, Scirus and Medknow, also performing hand searches and communicating with authors to obtain additional references. We enrolled studies dealing exclusively with the participation of Indians in clinical trials. Data extraction was conducted by three researchers, with disagreement being resolved by consensus.

Results

Six qualitative studies and one survey were found evaluating the main themes affecting the participation of Indian subjects. Themes included Personal health benefits, Altruism, Trust in physicians, Source of extra income, Detailed knowledge, Methods for motivating participants as factors favoring, while Mistrust on trial organizations, Concerns about efficacy and safety of trials, Psychological reasons, Trial burden, Loss of confidentiality, Dependency issues, Language as the barriers.

Conclusion

We identified factors that facilitated and barriers that have negative implications on trial participation decisions in Indian subjects. Due consideration and weightage should be assigned to these factors while planning future trials in India.

Patterns of enrollment of infants with central nervous system tumours on cooperative group studies: a report from the Canadian Pediatric Brain Tumour Consortium

In children under the age of 3, the most common solid tumours are brain tumors. Treatment for many of these patients includes surgery, chemotherapy and rarely radiation therapy. Many clinical trials have been performed in an attempt to establish the best treatment for these patients. Patients enrolled on clinical trials contribute to the establishment of the best therapy. We performed a national survey of all children less than the age of three with brain tumours and examined the contribution these patients made to clinical trials. A data bank was established using data collected from Canadian pediatric oncology centers on children less than age 3 diagnosed with brain tumours between 1990 and 2005. Data were collected on the use of adjunctive treatment after surgery, treatment on a protocol, reasons patients were not registered on a protocol, and reasons for discontinuation of therapy. From the 579 cases in the data bank, 302 (52%) patients were treated with further therapy after surgery. The use of further therapy after surgery was significantly higher in patients with cerebellar and brain stem tumors, patients who were over 1 year of age, patients with ependymal and embryonal tumors, and patients with high grade malignant tumors. Only 62 (21%) patients were enrolled on a protocol for therapy. No factor was significant for being enrolled on a protocol. Reasons for not being registered on a protocol were mainly that there was no open COG/POG/CCG study or the study was not open at the institution. The therapy was stopped because of completion of the protocol in 50% and because of disease progression in 34%. In Canada, about half of children under the age of 36 months with brain tumors are undergoing therapy following surgery for their malignancy but only a small fraction of them are enrolled on a clinical trial. There needs to be improved availability of clinical trials for these patients so that novel therapies can be evaluated and survival improved.

A comparison of clinical trial enrollment between adolescent and young adult (AYA) oncology patients treated at affiliated adult and pediatric oncology centers

PURPOSE

Over the past 30 years, there has been a dramatic increase in the survival rates of younger pediatric cancer patients in contrast to adolescent and young adult (AYA) oncology patients. The reasons for this discrepancy are multifactorial, but it is clear that clinical trial enrollment correlates with better outcomes.

PATIENTS AND METHODS

We examined the rate of clinical trial accrual of AYA oncology patients (aged 15 to 22 y) treated at affiliated pediatric and adult cancer centers, the Children's Hospital of Pittsburgh and the University of Pittsburgh Cancer Institute. We retrospectively analyzed all new cancer diagnoses and clinical trial enrollment status between 2003 and 2006 for AYA patients at both institutions.

RESULTS

There were 91 new AYA cancer diagnoses at Children's Hospital of Pittsburgh, of which 24 (26%) were enrolled on a clinical trial. During the same time period, only 5 of 121 new AYA cancer patients (4%) at University of Pittsburgh Cancer Institute were enrolled on a clinical trial, which was significantly lower (P<0.001).

CONCLUSIONS

Our data demonstrate that clinical trial enrollment was superior when AYA patients were treated at a pediatric cancer center. As most AYA patients are not treated at pediatric centers, this may partly explain why their cure rates have not improved as significantly as younger pediatric oncology patients.

Decision-making by adolescents and parents of children with cancer regarding health research participation

BACKGROUND

Low rates of participation of adolescents and young adults (AYAs) in clinical oncology trials may contribute to poorer outcomes. Factors that influence the decision of AYAs to participate in health research and whether these factors are different from those that affect the participation of parents of children with cancer.

METHODS

This is a secondary analysis of data from validated questionnaires provided to adolescents (>12 years old) diagnosed with cancer and parents of children with cancer at 3 sites in Canada (Halifax, Vancouver, and Montreal) and 2 in the United States (Atlanta, GA, and Memphis, TN). Respondents reported their own research participation and cited factors that would influence their own decision to participate in, or to provide parental authorization for their child to participate in health research.

RESULTS

Completed questionnaire rates for AYAs and parents were 86 (46.5%) of 185 and 409 (65.2%) of 627, respectively. AYAs (n = 86 [67%]) and parents (n = 409 [85%]) cited that they would participate in research because it would help others. AYAs perceived pressure by their family and friends (16%) and their physician (19%). Having too much to think about at the time of accrual was an impediment to both groups (36% AYAs and 47% parents). The main deterrent for AYAs was that research would take up too much time (45%). Nonwhite parents (7 of 56 [12.5%]) were more apt to decline than white parents (12 of 32 [3.7%]; P < .01).

CONCLUSIONS

AYAs identified time commitment and having too much to think about as significant impediments to research participation. Addressing these barriers by minimizing time requirements and further supporting decision-making may improve informed consent and impact on enrollment in trials.