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  • 1
    Online Resource
    Online Resource
    Clinical Responses in a Phase II Study Using Adoptive Transfer of Short-term Cultured Tumor Infiltration Lymphocytes in Metastatic Melanoma Patients
    American Association for Cancer Research (AACR) ; 2010
    In:  Clinical Cancer Research Vol. 16, No. 9 ( 2010-05-01), p. 2646-2655
    Details
    In: Clinical Cancer Research, American Association for Cancer Research (AACR), Vol. 16, No. 9 ( 2010-05-01), p. 2646-2655
    Abstract: Purpose: Adoptive cell therapy with autologous tumor-infiltrating lymphocytes (TIL) has shown promising results in metastatic melanoma patients. Although objective response rates of over 50% have been reported, disadvantages of this approach are the labor-intensive TIL production and a very high drop-out rate of enrolled patients, limiting its widespread applicability. Previous studies showed a clear correlation between short TIL culture periods and clinical response. Therefore, we used a new TIL production technique using unselected, minimally cultured, bulk TIL (Young-TIL). The use of Young-TIL is not restricted to human leukocyte antigen (HLA)-A2 patients. The purpose of this study is to explore the efficacy and toxicity of adoptively transferred Young-TIL following lympho-depleting chemotherapy in metastatic melanoma patients, refractory to interleukin-2 and chemotherapy. Experimental Design: Young-TIL cultures for 90% of the patients were successfully generated, enabling the treatment of most enrolled patients. We report here the results of 20 evaluated patients. Results: Fifty percent of the patients achieved an objective clinical response according to the Response Evaluation Criteria in Solid Tumors, including two ongoing complete remissions (20+, 4+ months) and eight partial responses (progression-free survival: 18+, 13+, 10+, 9, 6+, 4, 3+, and 3 months). All responders are currently alive. Four additional patients showed disease stabilization. Side effects were transient and manageable. Conclusion: We showed that lympho-depleting chemotherapy followed by transfer of short-term cultured TIL can mediate tumor regression in 50% of metastatic melanoma with manageable toxicity. The convincing clinical results combined with the simplification of the process may thus have a major effect on cell therapy of cancer. Clin Cancer Res; 16(9); 2646–55. ©2010 AACR.
    Type of Medium: Online Resource
    ISSN: 1078-0432 , 1557-3265
    URL: Article
    DOI: 10.1158/1078-0432.CCR-10-0041
    RVK:
    XA 36791
    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2010
    detail.hit.zdb_id: 1225457-5
    detail.hit.zdb_id: 2036787-9
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  • 2
    Online Resource
    Online Resource
    Adoptive Transfer of Tumor-Infiltrating Lymphocytes in Patients with Metastatic Melanoma: Intent-to-Treat Analysis and Efficacy after Failure to Prior Immunotherapies
    American Association for Cancer Research (AACR) ; 2013
    In:  Clinical Cancer Research Vol. 19, No. 17 ( 2013-09-01), p. 4792-4800
    Details
    In: Clinical Cancer Research, American Association for Cancer Research (AACR), Vol. 19, No. 17 ( 2013-09-01), p. 4792-4800
    Abstract: Purpose: Adoptive cell transfer (ACT) using autologous tumor-infiltrating lymphocytes (TIL) was reported to yield objective responses in about 50% of metastatic patients with melanoma. Here, we present the intent-to-treat analysis of TIL ACT and analyze parameters predictive to response as well as the impact of other immunotherapies. Experimental Design: Eighty patients with stage IV melanoma were enrolled, of which 57 were treated with unselected/young TIL and high-dose interleukin-2 (IL-2) following nonmyeloablative lymphodepleting conditioning. Results: TIL cultures were established from 72 of 80 enrolled patients. Altogether 23 patients were withdrawn from the study mainly due to clinical deterioration during TIL preparation. The overall response rate and median survival was 29% and 9.8 months for enrolled patients and 40% and 15.2 months for treated patients. Five patients achieved complete and 18 partial remission. All complete responders are on unmaintained remission after a median follow-up of 28 months and the 3-year survival of responding patients was 78%. Multivariate analysis revealed blood lactate-dehydrogenase levels, gender, days of TIL in culture, and the total number of infused CD8+ cells as independent predictive markers for clinical outcome. Thirty-two patients received the CTLA-4-blocking antibody ipilimumab prior or post TIL infusion. Retrospective analysis revealed that nonresponders to ipilimumab or IL-2 based therapy had the same overall response rate to ACT as other patients receiving TIL. No additional toxicities to TIL therapy occurred following ipilimumab treatment. Conclusion: Adoptive transfer of TIL can yield durable and complete responses in patients with refractory melanoma, even when other immunotherapies have failed. Clin Cancer Res; 19(17); 4792–800. ©2013 AACR.
    Type of Medium: Online Resource
    ISSN: 1078-0432 , 1557-3265
    URL: Article
    DOI: 10.1158/1078-0432.CCR-13-0380
    RVK:
    XA 36791
    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2013
    detail.hit.zdb_id: 1225457-5
    detail.hit.zdb_id: 2036787-9
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
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