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FDA places full, partial holds on durvalumab trials

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Durvalumab (Imfinzi™)

The US Food and Drug Administration (FDA) has placed a partial clinical hold on 5 trials and a full clinical hold on 1 trial of the anti-PD-L1 antibody durvalumab (Imfinzi™).

In these trials, researchers are testing durvalumab in combination with immunomodulatory and chemotherapy agents in patients with multiple myeloma (MM) and lymphomas.

At present, no new patients can be enrolled in any of the 6 trials.

Patients enrolled in the trials on partial clinical hold can remain on treatment if they are receiving clinical benefit.

Patients enrolled in the trial on full clinical hold will discontinue the study treatment.

The FDA’s decision to place these trials on hold is related to risks identified in trials studying another anti-PD-1 agent, pembrolizumab, in MM patients.

Data from the pembrolizumab trials indicate the risks outweigh the benefits when PD-1/PD-L1 treatment is given to MM patients in combination with dexamethasone and pomalidomide or lenalidomide.

In addition, there may be an unfavorable risk-benefit ratio for MM patients receiving PD-1/PD-L1 treatments alone or in other combinations.

With this in mind, the FDA placed the MEDI4736-MM-002 trial on full clinical hold.

MEDI4736-MM-002 is a phase 1b study designed to determine the recommended dose and regimen of durvalumab in combination with lenalidomide, with and without low-dose dexamethasone, in patients with newly diagnosed MM.

The FDA also placed the following trials on partial clinical hold:

  • MEDI4736-MM-001: A phase 1b study to determine the recommended dose and regimen of durvalumab either as monotherapy or in combination with pomalidomide, with or without low-dose dexamethasone, in patients with relapsed and refractory MM
  • MEDI4736-MM-003: A phase 2 study to determine the safety and efficacy of the combination of durvalumab and daratumumab in patients with relapsed and refractory MM
  • MEDI4736-MM-005: A phase 2 study to determine the efficacy of the combination of durvalumab plus daratumumab in patients with relapsed and refractory MM who have progressed while on a current treatment regimen containing daratumumab
  • MEDI4736-NHL-001: A phase 1/2 study to assess the safety and tolerability of durvalumab as monotherapy and in combination therapy in patients with lymphomas, including chronic lymphocytic leukemia. The only arm in this trial for which enrollment is suspended is the arm with the durvalumab, lenalidomide, and rituximab combination.
  • MEDI4736-DLBCL-001: A phase 2 study to evaluate the safety and clinical activity of durvalumab in combination with rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) or with lenalidomide plus R-CHOP in patients with previously untreated, high-risk diffuse large B-cell lymphoma.

The trials that will continue to enroll are:

  • MEDI4736-MDS-001: A phase 2 study evaluating the efficacy and safety of subcutaneous azacitidine in combination with durvalumab in previously untreated patients with higher-risk myelodysplastic syndromes or in elderly (≥65 years) acute myeloid leukemia patients not eligible for hematopoietic stem cell transplant
  • CC-486-MDS-006: A phase 2 study to evaluate the efficacy and safety of CC-486 alone or in combination with durvalumab in patients with myelodysplastic syndromes who fail to achieve an objective response to treatment with azacitidine for injection or decitabine.

Durvalumab is being developed by Celgene Corporation and MedImmune, the global biologics research and development arm of AstraZeneca.

The use of durvalumab in combination with other agents for the treatment of patients with hematologic malignancies is not approved by the FDA, and the safety and efficacy of those combinations has not been established.

Durvalumab has accelerated approval from the FDA to treat patients with locally advanced or metastatic urothelial carcinoma.

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Photo from AstraZeneca
Durvalumab (Imfinzi™)

The US Food and Drug Administration (FDA) has placed a partial clinical hold on 5 trials and a full clinical hold on 1 trial of the anti-PD-L1 antibody durvalumab (Imfinzi™).

In these trials, researchers are testing durvalumab in combination with immunomodulatory and chemotherapy agents in patients with multiple myeloma (MM) and lymphomas.

At present, no new patients can be enrolled in any of the 6 trials.

Patients enrolled in the trials on partial clinical hold can remain on treatment if they are receiving clinical benefit.

Patients enrolled in the trial on full clinical hold will discontinue the study treatment.

The FDA’s decision to place these trials on hold is related to risks identified in trials studying another anti-PD-1 agent, pembrolizumab, in MM patients.

Data from the pembrolizumab trials indicate the risks outweigh the benefits when PD-1/PD-L1 treatment is given to MM patients in combination with dexamethasone and pomalidomide or lenalidomide.

In addition, there may be an unfavorable risk-benefit ratio for MM patients receiving PD-1/PD-L1 treatments alone or in other combinations.

With this in mind, the FDA placed the MEDI4736-MM-002 trial on full clinical hold.

MEDI4736-MM-002 is a phase 1b study designed to determine the recommended dose and regimen of durvalumab in combination with lenalidomide, with and without low-dose dexamethasone, in patients with newly diagnosed MM.

The FDA also placed the following trials on partial clinical hold:

  • MEDI4736-MM-001: A phase 1b study to determine the recommended dose and regimen of durvalumab either as monotherapy or in combination with pomalidomide, with or without low-dose dexamethasone, in patients with relapsed and refractory MM
  • MEDI4736-MM-003: A phase 2 study to determine the safety and efficacy of the combination of durvalumab and daratumumab in patients with relapsed and refractory MM
  • MEDI4736-MM-005: A phase 2 study to determine the efficacy of the combination of durvalumab plus daratumumab in patients with relapsed and refractory MM who have progressed while on a current treatment regimen containing daratumumab
  • MEDI4736-NHL-001: A phase 1/2 study to assess the safety and tolerability of durvalumab as monotherapy and in combination therapy in patients with lymphomas, including chronic lymphocytic leukemia. The only arm in this trial for which enrollment is suspended is the arm with the durvalumab, lenalidomide, and rituximab combination.
  • MEDI4736-DLBCL-001: A phase 2 study to evaluate the safety and clinical activity of durvalumab in combination with rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) or with lenalidomide plus R-CHOP in patients with previously untreated, high-risk diffuse large B-cell lymphoma.

The trials that will continue to enroll are:

  • MEDI4736-MDS-001: A phase 2 study evaluating the efficacy and safety of subcutaneous azacitidine in combination with durvalumab in previously untreated patients with higher-risk myelodysplastic syndromes or in elderly (≥65 years) acute myeloid leukemia patients not eligible for hematopoietic stem cell transplant
  • CC-486-MDS-006: A phase 2 study to evaluate the efficacy and safety of CC-486 alone or in combination with durvalumab in patients with myelodysplastic syndromes who fail to achieve an objective response to treatment with azacitidine for injection or decitabine.

Durvalumab is being developed by Celgene Corporation and MedImmune, the global biologics research and development arm of AstraZeneca.

The use of durvalumab in combination with other agents for the treatment of patients with hematologic malignancies is not approved by the FDA, and the safety and efficacy of those combinations has not been established.

Durvalumab has accelerated approval from the FDA to treat patients with locally advanced or metastatic urothelial carcinoma.

Photo from AstraZeneca
Durvalumab (Imfinzi™)

The US Food and Drug Administration (FDA) has placed a partial clinical hold on 5 trials and a full clinical hold on 1 trial of the anti-PD-L1 antibody durvalumab (Imfinzi™).

In these trials, researchers are testing durvalumab in combination with immunomodulatory and chemotherapy agents in patients with multiple myeloma (MM) and lymphomas.

At present, no new patients can be enrolled in any of the 6 trials.

Patients enrolled in the trials on partial clinical hold can remain on treatment if they are receiving clinical benefit.

Patients enrolled in the trial on full clinical hold will discontinue the study treatment.

The FDA’s decision to place these trials on hold is related to risks identified in trials studying another anti-PD-1 agent, pembrolizumab, in MM patients.

Data from the pembrolizumab trials indicate the risks outweigh the benefits when PD-1/PD-L1 treatment is given to MM patients in combination with dexamethasone and pomalidomide or lenalidomide.

In addition, there may be an unfavorable risk-benefit ratio for MM patients receiving PD-1/PD-L1 treatments alone or in other combinations.

With this in mind, the FDA placed the MEDI4736-MM-002 trial on full clinical hold.

MEDI4736-MM-002 is a phase 1b study designed to determine the recommended dose and regimen of durvalumab in combination with lenalidomide, with and without low-dose dexamethasone, in patients with newly diagnosed MM.

The FDA also placed the following trials on partial clinical hold:

  • MEDI4736-MM-001: A phase 1b study to determine the recommended dose and regimen of durvalumab either as monotherapy or in combination with pomalidomide, with or without low-dose dexamethasone, in patients with relapsed and refractory MM
  • MEDI4736-MM-003: A phase 2 study to determine the safety and efficacy of the combination of durvalumab and daratumumab in patients with relapsed and refractory MM
  • MEDI4736-MM-005: A phase 2 study to determine the efficacy of the combination of durvalumab plus daratumumab in patients with relapsed and refractory MM who have progressed while on a current treatment regimen containing daratumumab
  • MEDI4736-NHL-001: A phase 1/2 study to assess the safety and tolerability of durvalumab as monotherapy and in combination therapy in patients with lymphomas, including chronic lymphocytic leukemia. The only arm in this trial for which enrollment is suspended is the arm with the durvalumab, lenalidomide, and rituximab combination.
  • MEDI4736-DLBCL-001: A phase 2 study to evaluate the safety and clinical activity of durvalumab in combination with rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) or with lenalidomide plus R-CHOP in patients with previously untreated, high-risk diffuse large B-cell lymphoma.

The trials that will continue to enroll are:

  • MEDI4736-MDS-001: A phase 2 study evaluating the efficacy and safety of subcutaneous azacitidine in combination with durvalumab in previously untreated patients with higher-risk myelodysplastic syndromes or in elderly (≥65 years) acute myeloid leukemia patients not eligible for hematopoietic stem cell transplant
  • CC-486-MDS-006: A phase 2 study to evaluate the efficacy and safety of CC-486 alone or in combination with durvalumab in patients with myelodysplastic syndromes who fail to achieve an objective response to treatment with azacitidine for injection or decitabine.

Durvalumab is being developed by Celgene Corporation and MedImmune, the global biologics research and development arm of AstraZeneca.

The use of durvalumab in combination with other agents for the treatment of patients with hematologic malignancies is not approved by the FDA, and the safety and efficacy of those combinations has not been established.

Durvalumab has accelerated approval from the FDA to treat patients with locally advanced or metastatic urothelial carcinoma.

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