Therapeutic effects of surgical debulking of metastatic lymph nodes in cervical cancer IIICr: a trial protocol for a phase III, multicenter, randomized controlled study (KGOG1047/DEBULK trial)

BACKGROUND

Bulky or multiple lymph node (LN) metastases are associated with poor prognosis in cervical cancer, and the size or number of LN metastases is not yet reflected in the staging system and therapeutic strategy. Although the therapeutic effects of surgical resection of bulky LNs before standard treatment have been reported in several retrospective studies, well-planned randomized clinical studies are lacking. Therefore, the aim of the Korean Gynecologic Oncology Group (KGOG) 1047/DEBULK trial is to investigate whether the debulking surgery of bulky or multiple LNs prior to concurrent chemoradiation therapy (CCRT) improves the survival rate of patients with cervical cancer IIICr diagnosed by imaging tests.

METHODS

The KGOG 1047/DEBULK trial is a phase III, multicenter, randomized clinical trial involving patients with bulky or multiple LN metastases in cervical cancer IIICr. This study will include patients with a short-axis diameter of a pelvic or para-aortic LN ≥2 cm or ≥3 LNs with a short-axis diameter ≥1 cm and for whom CCRT is planned. The treatment arms will be randomly allocated in a 1:1 ratio to either receive CCRT (control arm) or undergo surgical debulking of bulky or multiple LNs before CCRT (experimental arm). CCRT consists of extended-field external beam radiotherapy/pelvic radiotherapy, brachytherapy and LN boost, and weekly chemotherapy with cisplatin (40 mg/m²), 4-6 times administered intravenously. The primary endpoint will be 3-year progression-free survival rate. The secondary endpoints will be 3-year overall survival rate, treatment-related complications, and accuracy of radiological diagnosis of bulky or multiple LNs.

TRIAL REGISTRATION

ClinicalTrials.gov Identifier: NCT05421650; Clinical Research Information Service Identifier: KCT0007137.

Integrated Hospital- and Home-Based Palliative Care for Cancer Patients in Vietnam: People-Centered Outcomes

CONTEXT

Hospital-based palliative care (PC) linked to palliative home care is rarely accessible in low- and middle-income countries (LMICs).

OBJECTIVES

To study people-centered outcomes of a palliative home care team based at a major cancer center in Vietnam.

METHODS

The palliative home care team, consisting of at least one physician and one nurse, provided home PC when needed by patients of the cancer center who lived within 10 kilometers. A linguistically validated version of the African Palliative Outcomes Scale was integrated into standard clinical data collection. We retrospectively reviewed data from the 81 consecutive patients on prevalence and severity of pain and other types of physical, psycho-social, and spiritual suffering at the first home visit (baseline) and at the first follow-up visit and measured any differences.

RESULTS

There was great demand for palliative home care. From baseline to follow-up, there was significant improvement in pain regardless of the baseline severity of pain (p < 0.003). Among patients with severe pain, breathlessness, nausea/vomiting, diarrhea, depression, or worry about illness at baseline, there was significant improvement (p < 0.001), and caregiver worry about the patient also improved significantly.

CONCLUSION

Integration of hospital- and home-based PC for cancer patients is feasible and improves people-centered outcomes at low cost in Vietnam. These data suggest that benefits to patients, their families, and the health care system can accrue from integration of PC at all levels in Vietnam and other LMICs.

Effect of Training on Physicians' Palliative Care-Related Knowledge and Attitudes in Vietnam

CONTEXT

Palliative care remains largely inaccessible in low- and middle-income countries (LMICs), and efforts to increase access are impeded by lack of training of proven effectiveness for physicians.

OBJECTIVES

To measure the effectiveness of palliative care training for Vietnamese physicians.

METHODS

The palliative care-related knowledge, attitudes, and self-assessment of Vietnamese physicians were studied prior to a basic course in palliative care (baseline), just after the physicians completed the course (post), and 6-18 months later (follow-up).

RESULTS

The self-assessment scores and knowledge scores increased significantly from baseline to post and decreased significantly from post to follow-up, but the follow-up scores remained significantly higher than baseline. There were significant interactions between changes over time of the knowledge scores and baseline age, degree, years of graduation, training, type of work, and whether participants had ever prescribed morphine for pain. Medically appropriate attitudes increased significantly from baseline to post and did not decrease significantly from post to follow-up.

CONCLUSION

Our basic palliative care course in Vietnam resulted in significant and enduring improvements among physicians in palliative care-related knowledge, attitudes, and self-assessed competence. To respond to the enormous unmet need for palliative care in LMICs, primary care providers and physician-specialists in many fields, among others, should receive palliative care training of proven effectiveness, receive ongoing mentoring or refresher training, and be given the responsibility and opportunity to practice what they learn.

Palliative Care-Related Knowledge, Attitudes, and Self-Assessment Among Physicians in Vietnam

CONTEXT

Palliative care is rarely accessible in low- and middle-income countries, and lack of adequate training for health care providers is a key reason. In Vietnam, the Ministry of Health, major hospitals and medical universities, and foreign physician-educators have partnered to initiate palliative care training for physicians.

OBJECTIVES

To measure the baseline palliative care-related knowledge, attitudes, and self-assessment of Vietnamese physicians as a basis for curriculum development and to enable evaluation of training courses.

METHODS

Before palliative care training courses in Vietnam from 2007 to 2014, we collected data on the participating physicians' demographics, self-assessed competence in palliative care, and palliative care-related knowledge and attitudes. Scores were calculated in three outcome categories-knowledge, attitudes, and self-assessment-and in two subcategories related to physical and psychological symptoms. Associations between the demographic, education, and practice factors and these scores were assessed using linear regression.

RESULTS

Among the 392 physicians surveyed, concern about untreated suffering was highly prevalent. 85% felt that most patients with cancer in Vietnam die in pain. On self-assessment, only 8% felt adequately trained in palliative care and the mean knowledge assessment score was 44%. Although 77% had prescribed an opioid in the past year and most had appropriate attitudes toward the use of morphine for pain, the majority reported explicit or implicit restrictions on prescribing morphine.

CONCLUSION

There is a great need among Vietnam's physicians for training in palliative care and especially in nonpain and psychological symptom control. Rational, balanced, and clear opioid-prescribing policies are needed to enable physicians to treat pain without fear of repercussions.

Analgesic Prescription Patterns and Pain Outcomes in Southeast Asia: Findings From the Analgesic Treatment of Cancer Pain in Southeast Asia Study

Purpose

To identify patterns of analgesic prescription and to explore patient-reported pain intensity, sleep disturbance, and quality of life among cancer patients with pain in Southeast Asia (SEA).

Methods

This cross-sectional observational study included 465 adult outpatients prescribed analgesics for cancer pain for 1 month or longer at 22 sites in Indonesia, Malaysia, Philippines, Singapore, Thailand, and Vietnam. Data on analgesic prescription and cancer characteristics were extracted from medical records. Pain intensity, sleep disturbance, and quality of life measures were recorded via questionnaires.

Results

Most patients (84.4%) had stage III or IV cancer. A total of 419 patients (90.7%) were prescribed opioids; of these, 42.2% received only weak opioids, whereas 57.8% received at least one strong opioid. The mean worst pain intensity during the past 24 hours was 4.76 (standard deviation [SD], 2.47) on a scale of 0 (no pain) to 10 (worst possible pain); the mean current pain intensity was 4.10 (SD, 2.61). More than half of patients (54.8%) reported sleep disturbance caused by pain in the past 7 days. The majority of patients reported problems with pain/discomfort (82.3%), usual activities (65.8%), mobility (58.2%), and anxiety/depression (56.3%). The median daily dose prescribed in oral morphine equivalents was 30 mg for both morphine and tramadol.

Conclusion

Despite unrelieved pain, sleep disturbance, and issues with quality of life, a notable proportion of patients were prescribed only weak opioids, and opioid doses prescribed were generally low. Efforts focused on encouragement of prescriptions with analgesic strength and/or doses proportional to the pain management needs of patients are vital to improve the status of cancer pain management in the region.

Palliative Care in Vietnam: Long-Term Partnerships Yield Increasing Access

Palliative care began in Vietnam in 2001, but steady growth in palliative care services and education commenced several years later when partnerships for ongoing training and technical assistance by committed experts were created with the Ministry of Health, major public hospitals, and medical universities. An empirical analysis of palliative care need by the Ministry of Health in 2006 was followed by national palliative care clinical guidelines, initiation of clinical training for physicians and nurses, and revision of opioid prescribing regulations. As advanced and specialist training programs in palliative care became available, graduates of these programs began helping to establish palliative care services in their hospitals. However, community-based palliative care is not covered by government health insurance and thus is almost completely unavailable. Work is underway to test the hypothesis that insurance coverage of palliative home care not only can improve patient outcomes but also provide financial risk protection for patients' families and reduce costs for the health care system by decreasing hospital admissions near the end of life. A national palliative care policy and strategic plan are needed to maintain progress toward universally accessible cost-effective palliative care services.

Patient and physician satisfaction with analgesic treatment in Southeast Asia (SEA): Findings from the analgesic treatment for cancer pain in Southeast Asia (ACE) study

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Background: Adequate dosing of analgesics is important for optimum cancer pain control & quality of life (QoL). To understand current attitudes toward analgesic treatment for cancer pain in SEA, the ACE study explored patient & physician satisfaction with pain control in 6 SEA countries. Methods: This cross-sectional observational study included 465 adult outpatients prescribed analgesics for cancer pain for ≥1 month in Indonesia, Malaysia, Philippines, Singapore, Thailand, & Vietnam. Pain intensity, sleep disturbance, QoL, satisfaction with pain control, & physicians’ assessment of adequacy of analgesics were recorded via questionnaires. Current analgesic doses prescribed were extracted from medical records. Results: Most patients (84%) had stage 3 or 4 cancer. While 91% were prescribed opioids, mean reported pain intensity was 4.1 (0/no pain, 10/worst possible pain) & most had problems with sleep (55%) & QoL (problems with pain/discomfort [82%], usual activities [66%] & anxiety/depression [56%]). 60% of patients were satisfied with their pain control status & 30% found it acceptable. Physicians more often reported dissatisfaction with patients’ pain control status compared with patients (21% vs 10%). Patient-physician concordance in satisfaction with pain control was low (weighted Kappa 0.36; 95% CI 0.30-0.43). More than 1 in 4 physicians (29%) assessed prescribed analgesics to be “inadequate” for pain control. Median daily dose prescribed in oral morphine equivalents was 30 mg for both morphine & tramadol. Of the SEA countries included, prescribed doses of opioids were generally lower in Indonesia & higher in Vietnam. Conclusions: The results highlight the complexity of managing cancer pain in SEA. Despite unrelieved pain, sleep disturbance & QoL issues, many patients still reported satisfaction with pain control. Notably, physicians expressed dissatisfaction more frequently than patients. These findings suggest a need for all-round pain status assessment (including pain intensity, sleep disturbance, QoL) & improved patient-physician communication about analgesic treatment expectations, pain control & adverse effects.

Cancer Pain Management Insights and Reality in Southeast Asia: Expert Perspectives From Six Countries

This expert opinion report examines the current realities of the cancer pain management landscape and the various factors that hinder optimal pain control in six countries in Southeast Asia, describes ongoing efforts to advance patient care, and discusses approaches for improving cancer pain management. Information was gathered from leading experts in the field of cancer pain management in each country through an initial meeting and subsequent e-mail discussions. Overall, there are vast disparities in cancer pain management practices and access to opioids in the Southeast Asian countries. The experts considered cancer pain as being generally undermanaged. Access to opioids is inadequate in most countries, and opioid use for analgesia remains inadequate in the region. Several system-, physician-, and patient-related barriers to adequate pain relief were identified, including widespread over-regulation of opioid use, shortage of trained health care workers, inadequacies in pain assessment and knowledge about managing pain, and widespread resistance among patients and physicians toward opioid treatment. According to the experts, many of the ongoing initiatives in the Southeast Asian countries are related to educating patients and physicians on cancer pain management and opioid use. Efforts to improve opioid availability and reduce regulatory barriers in the region are limited, and much work is still needed to improve the status of cancer pain management in the region. Enacting necessary change will require recognition of the unique needs and resources of each country and collaboration across interdisciplinary professional teams to improve cancer pain care in this region.

Asian expert recommendation on management of skin and mucosal effects of radiation, with or without the addition of cetuximab or chemotherapy, in treatment of head and neck squamous cell carcinoma

With increasing numbers of patients with unresectable locoregionally advanced (LA) head and neck squamous cell carcinoma (HNSCC) receiving cetuximab/radiotherapy (RT), several guidelines on the early detection and management of skin-related toxicities have been developed. Considering the existing management guidelines for these treatment-induced conditions, clinical applicability and standardization of grading methods has remained a cause of concern globally, particularly in Asian countries. In this study, we attempted to collate the literature and clinical experience across Asian countries to compile a practical and implementable set of recommendations for Asian oncologists to manage skin- and mucosa-related toxicities arising from different types of radiation, with or without the addition of cetuximab or chemotherapy. In December 2013, an international panel of experts in the field of head and neck cancer management assembled for an Asia-Pacific head and neck cancer expert panel meeting in China. The compilation of discussion outcomes of this meeting and literature data ultimately led to the development of a set of recommendations for physicians with regards to the approach and management of dermatological conditions arising from RT, chemotherapy/RT and cetuximab/RT, and similarly for the approach and management of mucositis resulting from RT, with or without the addition of chemotherapy or cetuximab. These recommendations helped to adapt guidelines published in the literature or text books into bedside practice, and may also serve as a starting point for developing individual institutional side-effect management protocols with adequate training and education.

Concurrent chemoradiotherapy for T3-4 and N0-1 nasopharyngeal cancer: Asian multicenter trial of the Forum for Nuclear Cooperation in Asia

The aim of this study was to evaluate the toxicity and efficacy of radiotherapy concurrent with weekly cisplatin for T3-4 and N0-1 nasopharyngeal cancer. Between 2005 and 2010, 70 patients with nasopharyngeal cancer (T3-4 N0-1 M0, World Health Organization Type 2-3) from Vietnam, Indonesia, Malaysia and Thailand were registered. Patients were treated with 2D radiotherapy concurrent with weekly cisplatin (30 mg/m(2)). Neither adjuvant nor induction chemotherapy was given. Ninety-three percent of the patients completed at least four cycles of weekly cisplatin during radiotherapy. The median total doses for the primary tumor and positive lymph nodes were 70 and 66 Gy, respectively. The median overall treatment time of concurrent chemoradiotherapy was 52 days. No treatment-related deaths occurred. Grade 3-4 acute toxicities of mucositis, nausea/vomiting and leukopenia were observed in 34%, 4% and 4% of patients, respectively. With a median follow-up time of 52 months for the 40 surviving patients, the 3-year local control, locoregional tumor control, distant metastasis-free survival and overall survival rates were 80%, 75%, 74% and 80%, respectively. In conclusion, the current results illustrate that our concurrent chemoradiotherapy regimen was feasible, but disease control remained insufficient. Further research is encouraged in order to improve clinical outcomes.

Radiotherapy concurrently with weekly cisplatin, followed by adjuvant chemotherapy, for N2-3 nasopharyngeal cancer: a multicenter trial of the Forum for Nuclear Cooperation in Asia

The purpose of this study was to evaluate the efficacy and toxicity of radiotherapy concurrently with weekly cisplatin, followed by adjuvant chemotherapy, for the treatment of N2-3 nasopharyngeal cancer (NPC) in Asian countries, especially regions of South and Southeast Asian countries where NPC is endemic. Between 2005 and 2009, 121 patients with NPC (T1-4 N2-3 M0) were registered from Vietnam, Malaysia, Indonesia, Thailand, The Philippines, China and Bangladesh. Patients were treated with 2D radiotherapy concurrently with weekly cisplatin (30 mg/m (2)), followed by adjuvant chemotherapy, consisting of cisplatin (80 mg/m(2) on Day 1) and fluorouracil (800 mg/m(2) on Days 1-5) for 3 cycles. Of the 121 patients, 56 patients (46%) required interruption of RT. The reasons for interruption of RT were acute non-hematological toxicities such as mucositis, pain and dermatitis in 35 patients, hematological toxicities in 11 patients, machine break-down in 3 patients, poor general condition in 2 patients, and others in 8 patients. Of the patients, 93% completed at least 4 cycles of weekly cisplatin during radiotherapy, and 82% completed at least 2 cycles of adjuvant chemotherapy. With a median follow-up time of 46 months for the surviving 77 patients, the 3-year locoregional control, distant metastasis-free survival and overall survival rates were 89%, 74% and 66%, respectively. No treatment-related deaths occurred. Grade 3-4 toxicities of mucositis, nausea/vomiting and leukopenia were observed in 34%, 4% and 4% of the patients, respectively. In conclusion, further improvement in survival and locoregional control is necessary, although our regimen showed acceptable toxicities.