Exploring the myths of morphine in cancer: views of the general practice population

Emerging roles of the P2X7 receptor in cancer pain

Cancer pain is the most prevalent symptom experienced by cancer patients. It substantially impacts a patient’s long-term physical and emotional health, making it a pressing issue that must be addressed. Purinergic receptor P2X7 (P2X7R) is a widely distributed and potent non-selective ATP-gated ion channel that regulates tumor proliferation, chronic pain, and the formation of inflammatory lesions in the central nervous system. P2X7R plays an essential role in cancer pain and complications related to cancer pain including depression and opioid tolerance. This review focuses on the structure and distribution of P2X7R, its role in diverse tissues in cancer pain, and the application of P2X7R antagonists in the treatment of cancer pain to propose new ideas for cancer pain management.

'They say you can get addicted': Exploring factors that fuel the fear of addiction to prescription opioids among cancer survivors

OBJECTIVES

To explore misconceptions regarding addiction potential of prescription opioids among cancer survivors.

METHODS

A qualitative study using semi-structured interviews were conducted with a purposive sample of cancer survivors (N = 25) treated with prescription opioids for pain management. Interviews were audio recorded, transcribed and coded using Atlas.ti version 8. Inductive applied thematic analysis techniques were employed to identify emergent themes.

RESULTS

The majority of participants were breast cancer survivors (88%) who underwent a combination of surgery, chemotherapy and radiation (72%). Thematic analysis revealed that (1) cancer survivors view opioids as an illicit drug, (2) media narrative of the opioid epidemic increased negative perception of opioid use for cancer-related pain, (3) perceptions of opioids were also informed by experiences of friends and family with an opioid use disorder, (4) poor understanding of terminology resulted in misconceptions of opioid use and addiction and (5) fear of opioid addiction resulted in unrelieved cancer pain and poor quality of life.

CONCLUSION

Our findings support previously identified concerns among cancer patients about fear of addiction to opioids, a barrier to effective pain management. It highlights the importance for health care providers caring for cancer survivors to continue to address misconceptions about prescribed opioids.

Morphine use for cancer pain: A strong analgesic used only at the end of life? A qualitative study on attitudes and perceptions of morphine in patients with advanced cancer and their caregivers

BACKGROUND

The prevalence of undertreated cancer pain remains high. Suboptimal pain control affects quality of life and results in psychological and emotional distress. Barriers to adequate pain control include fear of opioid dependence and its side effects.

AIM

To investigate the attitudes and perceptions of morphine use in cancer pain in advanced cancer patients and their caregivers and to examine the influence of caregivers' attitudes and perceptions on patients' acceptance of morphine.

DESIGN

Qualitative study involving semi-structured individual interviews transcribed verbatim and analyzed thematically.

SETTING/PARTICIPANTS

A total of 18 adult opioid-naïve patients with advanced cancer and 13 caregivers (n = 31) were recruited at a private tertiary hospital via convenience sampling.

RESULTS

Attitudes and perceptions of morphine were influenced by previous experiences. Prevalent themes were similar in both groups, including perceptions that morphine was a strong analgesic that reduced suffering, but associated with end-stage illness and dependence. Most participants were open to future morphine use for comfort and effective pain control. Trust in doctors' recommendations was also an important factor. However, many preferred morphine as a last resort because of concerns about side effects and dependence, and the perception that morphine was only used at the terminal stage. Caregivers' attitudes toward morphine did not affect patients' acceptance of morphine use.

CONCLUSION

Most participants were open to future morphine use despite negative perceptions as they prioritized optimal pain control and reduction of suffering. Focused education programs addressing morphine misperceptions might increase patient and caregiver acceptance of opioid analgesics and improve cancer pain control.

Using Opioids With Surgical Patients: Nurses' Attitudes and Experiences

Opioids such as morphine are effective analgesics and have been recognized worldwide for many years; yet, they are underutilized. The study explores the attitudes and experiences relating to opioids, in general, and morphine, in particular, among Jordanian surgical nurses. The Opioids Attitudes Scale was used. A total of 123 questionnaires were distributed, and 120 were returned, achieving a response rate of 96%. Focus group discussions (n = 4) were conducted with surgical nurses (n = 34). The majority of nurses believe that the addiction is the most serious side effects of opioids. Qualitative analysis revealed 2 major themes. The first theme was referred to as "not being in the same boat," highlighting a lack of teamwork, and comprised 2 subthemes: blame culture and physicians versus nurses. The second "morphine as the last on the list" was also made up of 2 subthemes: the lack of confidence and the fear of legal persecution. Nurses showed negative attitudes and misconceptions about opioids and morphine use within a fragmented surgical unit culture. Therefore, serious efforts must be made to create and sustain an effective unit culture reform and communications path from patient to nurse and doctor.

Mapping French people and health professionals' positions regarding the circumstances of morphine use to relieve cancer pain

BACKGROUND

Cancer patients suffer in part because some health professionals prescribe or administer amounts of analgesics, namely opioids, which are too small or too widely spaced to be fully effective. Patients' reluctance to use opioids for pain treatment is often mentioned as a reason not to apply the official guidelines, but very few studies have been conducted on people's attitudes about opioid use to relieve cancer pain.

METHODS

One hundred twenty lay participants and 30 health professionals (7 physicians and 23 nurses) were presented with a set of vignettes describing a terminally ill woman with cancer who is in pain. The vignettes were composed according to a four within-subject factor design: (a) level of pain reported by the patient, (b) patient's explicit request for additional administration of analgesics, (c) the physicians' final decision (e.g., to use a stronger analgesic combining paracetamol and codeine), and (d) the way the decision was made (collectively or not). Participants were asked to assess the extent to which the physician's decision was, in their view, acceptable.

RESULTS

Seven qualitatively different positions were found among participants. They were called as follows: tend to disagree with any decision (9%), increase the strength of the painkiller in any case (16%), give morphine preferentially (9%), partly depends on pain level (23%), fully depends on pain level (6%), depends on decision process and on pain level (22%), and tend not to disagree with any collective decision (25%).

CONCLUSIONS

Overall, 91% of participants agreed with the use of morphine in terminally ill cancer patients when the pain level was high (score of 7) and the decision to increase the strength of the painkiller was taken collectively. This percentage dropped to 69% when the team was not involved in the decision and to 40% when the pain level was lower (score of 4). If opposition to the use of morphine exists, it is not opposition to morphine itself but opposition to the circumstances of its use.