Precision Radiation of Immune Checkpoint Therapy Resistant Melanoma Metastases

  • STATUS
    Recruiting
  • End date
    Dec 19, 2025
  • participants needed
    27
  • sponsor
    Karolinska University Hospital
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Updated on 4 October 2022
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Summary

To evaluate tumor response, survival and adverse effects after precision radiotherapy (SBRT) in melanoma patients with ongoing PD-1 inhibitor treatment that have tumor progression.

Description

A phase II open-label multicenter trial evaluating response rate (RR) in patients receiving precision radiation (SBRT) to melanoma metastasis that have progressed on PD-1 inhibitor therapy. Patients will continue on PD-1 inhibitor therapy (pembrolizumab or nivolumab) for up to one year after completed precision radiation and will be followed-up for 24 months or until disease progression or death. The primary endpoint of the study is overall response rate (ORR) in non-irradiated lesions. The study will be conducted according to Simons two Stage minimax Design. Patients will be enrolled in two batches, first consisting of 13 patients. If no objective responses (complete response (CR) or partial response (PR)) are reported after the first stage, the study is interrupted early for futility. When the 13th patient is recruited, if there is at least one objective response in patients non-irradiated lesion(s), the recruitment can proceed into second stage. 14 more patients will then be included up to a total of 27 patients to determine ORR along with the 95% confidence interval. The test result is considered positive when at least 15% of the patients have a confirmed objective response.

Details
Condition Metastatic Melanoma, Stage IV Melanoma
Treatment Precision Radiation (SBRT)
Clinical Study IdentifierNCT04793737
SponsorKarolinska University Hospital
Last Modified on4 October 2022

Eligibility

 Yes No Not Sure

Inclusion Criteria

Age 18 and above
ECOG performance status of 0-1
Signed and dated written informed consent before the start of specific protocol procedures
Patient has initiated PD-1 inhibitor treatment (alone or in combination with CTLA-4 inhibitor) as the first line of therapy for unresectable metastatic cutaneous melanoma and been on the treatment for at least 3 months and progressed on the treatment. Patients with primary or secondary resistance to the PD-1 inhibitor treatment will be included. Progression is defined as at least 30% enlargement of at least one metastasis or appearance of new metastasis. A fine-needle aspiration (FNA) biopsy from a progressing lesion or a new lesion is recommended to confirm the presence of viable tumor cells
Patients on adjuvant treatment with PD-1 inhibitors that during the treatment develop unresectable biopsy confirmed metastases can also be included in the study
Have at least one new or progressing lesion safely amenable to irradiation in the opinion of the treating radiation oncologist AND at least one, not-to-be-irradiated new or progressing lesion measurable by CT or MRI per RECIST 1.1 criteria where up to four radiation target fields are allowed
No contraindication for continuing immunotherapy after the radiotherapy intervention

Exclusion Criteria

Inability to understand given information or undergo study procedures according to protocol
Pregnant or breast-feeding. Patients must agree to use safe contraception during and for 3 months after study treatment
A condition requiring systemic treatment with either corticosteroids (> 10 mg daily prednisone equivalents) or other immunosuppressive medications within 30 days before start of study treatment. Inhaled or topical steroids and adrenal replacement doses >10 mg daily prednisone equivalents are permitted
Has an active infection requiring systemic therapy
Concomitant therapy with any anti-tumor medications, other than PD-1/CTLA-4 inhibitors or 30 days before and after treatment in this trial
Prior radiotherapy preventing the study intervention with precision radiotherapy
Location, size or number of metastases is deemed as excessive or not appropriate for precision radiotherapy
Central nervous system (CNS) metastases at baseline, with the exception of those subjects who have previously-treated CNS metastases (surgery radiotherapy, radiosurgery, or gamma knife) and who meet both of the following criteria: a) are asymptomatic and b) have no requirement for steroids or anticonvulsants
Prior malignancy. Subjects who have had another malignancy should be disease-free for 5 years, or should have a history of completely resected non-melanomatous skin carcinoma or successfully treated in situ carcinoma
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