Background
Adjuvant immunotherapy is revolutionising care for patients with resected stage III and IV melanoma. However, immunotherapy may be associated with toxicity, making treatment decisions complicated. This study aimed to identify factors physicians and nurses considered regarding adjuvant immunotherapy for melanoma.
Methods
In-depth interviews were conducted with physicians (medical oncologists, surgeons and dermatologists) and nurses managing patients with resected stage III melanoma between July 2019 and March 2020. Factors considered regarding adjuvant immunotherapy were explored. Recruitment continued until data saturation and thematic analysis was undertaken.
Results
Twenty-five physicians and nurses, aged 28-68 years, 60% females, including eleven (44%) medical oncologists, eight (32%) surgeons, five (20%) clinical nurse consultants, and one (4%) dermatologist were interviewed. Over half the sample managed five or more new resected stage III patients per month who could be eligible for adjuvant immunotherapy. Three themes about adjuvant immunotherapy recommendations emerged: (1) clinical and patient factors, (2) treatment information provision, and (3) individual physician/nurse factors. Melanoma sub-stage and an individual patient's therapy risk/benefit profile were primary considerations. Secondary factors included uncertainty about adjuvant immunotherapy's effectiveness and their views about treatment burden patients might consider acceptable.
Conclusions
Patients' disease sub-stage and their treatment risk versus benefit drove the melanoma health care professionals' adjuvant immunotherapy endorsement. Findings will aid clinical communication with patients and facilitate clinical decision-making about management options for resected stage III melanoma.

Figure 1
Competing interest reported. AL, KD, KH and RLM have no conflicts of interest to declare. MRS received institutional research support from Amgen, Astellas, AstraZeneca, Bayer, Bionomics, Bristol-Myers Squibb (BMS), Celgene, Medivation, Merck Sharpe & Dohme (MSD), Pfizer, Roche, Sanofi and Tilray, but does not sit on any advisory boards. AMM has served on advisory boards for BMS, MSD, Novartis, Pierre-Fabre, Qbiotics and Roche. GVL is a consultant advisor for Aduro Biotech, Amgen, Array Biopharma, Boehringer Ingelheim, BMS, Hexel AG, Highlight Therapeutics SL, MSD, Novartis, Pierre-Fabre, QBiotics, Regeneron Pharmaceuticals, SkylineDX B.V., and Specialised Therapeutics Australia. MSC has served on advisory boards for Amgen, BMS, Eisai, Ideaya, MSD, Nektar, Novartis, Oncosec, Pierre-Fabre, Qbiotics, Regeneron, Roche, and Sanofi, and received honoraria from BMS, MSD, and Novartis.
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Posted 24 May, 2021
On 07 Jul, 2021
Received 04 Jun, 2021
On 24 May, 2021
On 21 May, 2021
Invitations sent on 20 May, 2021
On 19 May, 2021
On 19 May, 2021
On 19 May, 2021
On 11 May, 2021
Posted 24 May, 2021
On 07 Jul, 2021
Received 04 Jun, 2021
On 24 May, 2021
On 21 May, 2021
Invitations sent on 20 May, 2021
On 19 May, 2021
On 19 May, 2021
On 19 May, 2021
On 11 May, 2021
Background
Adjuvant immunotherapy is revolutionising care for patients with resected stage III and IV melanoma. However, immunotherapy may be associated with toxicity, making treatment decisions complicated. This study aimed to identify factors physicians and nurses considered regarding adjuvant immunotherapy for melanoma.
Methods
In-depth interviews were conducted with physicians (medical oncologists, surgeons and dermatologists) and nurses managing patients with resected stage III melanoma between July 2019 and March 2020. Factors considered regarding adjuvant immunotherapy were explored. Recruitment continued until data saturation and thematic analysis was undertaken.
Results
Twenty-five physicians and nurses, aged 28-68 years, 60% females, including eleven (44%) medical oncologists, eight (32%) surgeons, five (20%) clinical nurse consultants, and one (4%) dermatologist were interviewed. Over half the sample managed five or more new resected stage III patients per month who could be eligible for adjuvant immunotherapy. Three themes about adjuvant immunotherapy recommendations emerged: (1) clinical and patient factors, (2) treatment information provision, and (3) individual physician/nurse factors. Melanoma sub-stage and an individual patient's therapy risk/benefit profile were primary considerations. Secondary factors included uncertainty about adjuvant immunotherapy's effectiveness and their views about treatment burden patients might consider acceptable.
Conclusions
Patients' disease sub-stage and their treatment risk versus benefit drove the melanoma health care professionals' adjuvant immunotherapy endorsement. Findings will aid clinical communication with patients and facilitate clinical decision-making about management options for resected stage III melanoma.

Figure 1
Competing interest reported. AL, KD, KH and RLM have no conflicts of interest to declare. MRS received institutional research support from Amgen, Astellas, AstraZeneca, Bayer, Bionomics, Bristol-Myers Squibb (BMS), Celgene, Medivation, Merck Sharpe & Dohme (MSD), Pfizer, Roche, Sanofi and Tilray, but does not sit on any advisory boards. AMM has served on advisory boards for BMS, MSD, Novartis, Pierre-Fabre, Qbiotics and Roche. GVL is a consultant advisor for Aduro Biotech, Amgen, Array Biopharma, Boehringer Ingelheim, BMS, Hexel AG, Highlight Therapeutics SL, MSD, Novartis, Pierre-Fabre, QBiotics, Regeneron Pharmaceuticals, SkylineDX B.V., and Specialised Therapeutics Australia. MSC has served on advisory boards for Amgen, BMS, Eisai, Ideaya, MSD, Nektar, Novartis, Oncosec, Pierre-Fabre, Qbiotics, Regeneron, Roche, and Sanofi, and received honoraria from BMS, MSD, and Novartis.
This is a list of supplementary files associated with this preprint. Click to download.
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