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NCT03063632

Testing the Combination of Two Experimental Drugs MK-3475 (Pembrolizumab) and Interferon-gamma for the Treatment of Mycosis Fungoides and Sézary Syndrome and Advanced Synovial Sarcoma

Completed Phase 2 Results posted Last updated 25 October 2023
What this trial tests

Phase 2 trial testing Interferon Gamma-1b in Metastatic Myxoid Liposarcoma in 28 participants. Completed in 14 March 2023.

Timeline
14 December 2017
Primary endpoint
8 April 2021
14 March 2023

Quick facts

Lead sponsorNational Cancer Institute (NCI)
PhasePhase 2
StatusCompleted
Study typeINTERVENTIONAL
Allocationnon randomized
Designparallel
Maskingnone
Primary purposetreatment
Enrollment28
Start date14 December 2017
Primary completion8 April 2021
Estimated completion14 March 2023
Sites7 locations across United States

Drugs / interventions tested

Conditions studied

Sponsor

National Cancer Institute (NCI)

Who can join

12 and older, any sex, with Metastatic Myxoid Liposarcoma or Metastatic Round Cell Liposarcoma. Patients with the condition only — healthy volunteers not accepted.

Results — posted to ClinicalTrials.gov

Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.

Overall Response Rate (ORR) Primary · Up to 2 years

Participants in Treatment Group 1 will be assessed for response and progression using standard response criteria in patients with Mycosis Fungoides and Sezary syndrome. Per Global Response Score determined by evaluating skin, lymph nodes, internal organs (viscera), and blood specimens: Complete Response (CR), complete disappearance of all clinical evidence of disease; Partial Response (PR), regression of measurable disease. Participants in Treatment Group 2 will be assessed for response and progression using Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 criteria. Complete Response

GroupValue95% CI
Group I (Pembrolizumab, Interferon Gamma-1b)6
Group II (Pembrolizumab, Interferon Gamma-1b)0
Incidence of Adverse Events Secondary · Up to 2 years and 1 months

Will be graded according to Common Terminology Criteria for Adverse Events (CTCAE) version 5.0.

GroupValue95% CI
Group I (Pembrolizumab, Interferon Gamma-1b)15
Group II (Pembrolizumab, Interferon Gamma-1b)12
Time to Response (TTR) Secondary · Time interval between the date of first treatment and the date of response (complete response [CR]/partial response [PR]), up to 2 years

Will use simple statistics.

GroupValue95% CI
Group I (Pembrolizumab, Interferon Gamma-1b)126106 – 463
Duration of Response (DOR) Secondary · Time interval between the date of first response (CR/PR) and the date of progression, up to 2 years and 11 months

Will be assessed using the Kaplan-Meier method.

GroupValue95% CI
Group I (Pembrolizumab, Interferon Gamma-1b)505.0106.0 – NA
Progression-free Survival (PFS) Secondary · Time from enrollment to disease progression or death, whichever occurs earlier, based upon investigator assessment, up to 3 years

Will be assessed using the Kaplan-Meier method

GroupValue95% CI
Group I (Pembrolizumab, Interferon Gamma-1b)394.0120.0 – 615.0
Group II (Pembrolizumab, Interferon Gamma-1b)196.532.0 – NA
Event-free Survival (EFS) Secondary · Termination due to toxicity, initiation of next significant treatment, progressive disease, or death of any cause, up to 2 years

Will be assessed using the Kaplan-Meier method.

GroupValue95% CI
Group I (Pembrolizumab, Interferon Gamma-1b)185.5120.0 – 394.0
Group II (Pembrolizumab, Interferon Gamma-1b)73.032.0 – NA
Rate of Overall Response Duration Beyond 12 Months (ORR12) Secondary · From the time measurement criteria are met for CR or PR (whichever is first recorded) until the first date beyond 12 months that recurrent disease is objectively documented, up to 2 years

Will be assessed per global assessment of mycosis fungoides and Sezary syndrome (confirmed \& investigator assessed). Will use binomial distribution.

GroupValue95% CI
Group I (Pembrolizumab, Interferon Gamma-1b)2
Group II (Pembrolizumab, Interferon Gamma-1b)0

Adverse events — posted to ClinicalTrials.gov

Time frame: Adverse event data collected from the first administration of the study drug until 30 days after the last dose of trial treatment, up to 2 years and 1 month. Reporting threshold: 0%. Adverse-event reports describe events observed during the trial — not all are caused by the drug.

Group I (Pembrolizumab, Interferon Gamma-1b)
Serious: 4/16 (25%)
Deaths: 4/16
Group II (Pembrolizumab, Interferon Gamma-1b)
Serious: 5/12 (42%)
Deaths: 6/12

Serious adverse events (23 terms)

ReactionSystemGroup I (Pembrolizumab, In…Group II (Pembrolizumab, I…
Soft tissue infectionInfections and infestations
Bone infectionInfections and infestations
Urinary tract InfectionInfections and infestations
HeadacheNervous system disorders
HypercalcemiaMetabolism and nutrition disorders
Acute kidney injuryRenal and urinary disorders
Atrial fibrillationCardiac disorders
Pericardial tamponadeCardiac disorders
Cardiac arrestCardiac disorders
Abdominal painGastrointestinal disorders
VomitingGastrointestinal disorders
NauseaGastrointestinal disorders
Edema limbsGeneral disorders
Disease progressionGeneral disorders
FatigueGeneral disorders
FeverGeneral disorders
PneumothoraxRespiratory, thoracic and mediastinal disorders
Lymphocyte count decreasedInvestigations
Alanine aminotransferase increasedInvestigations
Aspartate aminotransferase increasedInvestigations
Tumor painNeoplasms benign, malignant and unspecified (incl cysts and polyps)
Back painMusculoskeletal and connective tissue disorders
Spinal cord compressionNervous system disorders
Other adverse events (98 terms — click to expand)

ReactionSystemGroup I (Pembrolizumab, In…Group II (Pembrolizumab, I…
AnemiaBlood and lymphatic system disorders
ChillsGeneral disorders
Lymphocyte count decreasedInvestigations
FatigueGeneral disorders
FeverGeneral disorders
Flu like symptomsGeneral disorders
Skin and subcutaneous tissue disorders - OtherSkin and subcutaneous tissue disorders
DiarrheaGastrointestinal disorders
HeadacheNervous system disorders
MyalgiaMusculoskeletal and connective tissue disorders
Rash maculo-papularSkin and subcutaneous tissue disorders
Tumor painNeoplasms benign, malignant and unspecified (incl cysts and polyps)
ArthralgiaMusculoskeletal and connective tissue disorders
Creatinine increasedInvestigations
DyspneaRespiratory, thoracic and mediastinal disorders
HypokalemiaMetabolism and nutrition disorders
HyponatremiaMetabolism and nutrition disorders
INR increasedInvestigations
Platelet count decreasedInvestigations
Surgical and medical procedures - OtherSurgical and medical procedures
AnorexiaMetabolism and nutrition disorders
Aspartate aminotransferase increasedInvestigations
Back painMusculoskeletal and connective tissue disorders
CoughRespiratory, thoracic and mediastinal disorders
ConstipationGastrointestinal disorders
DehydrationMetabolism and nutrition disorders
DepressionPsychiatric disorders
Edema limbsGeneral disorders
HyperglycemiaMetabolism and nutrition disorders
HyperkalemiaMetabolism and nutrition disorders
HypoalbuminemiaMetabolism and nutrition disorders
HypocalcemiaMetabolism and nutrition disorders
InsomniaPsychiatric disorders
NauseaGastrointestinal disorders
Infections and Infestations, OtherInfections and infestations
Investigations - OtherInvestigations
PruritusSkin and subcutaneous tissue disorders
Urinary tract InfectionInfections and infestations
VomitingGastrointestinal disorders
Skin infectionInfections and infestations

Most-reported serious reactions: Soft tissue infection, Bone infection, Urinary tract Infection, Headache, Hypercalcemia, Acute kidney injury, Atrial fibrillation, Pericardial tamponade.

Data from ClinicalTrials.gov NCT03063632 adverse events section.

Sponsor's own description

This phase II trial studies how well pembrolizumab and interferon gamma-1b work in treating patients with stage IB-IVB mycosis fungoides and Sezary syndrome that has come back (relapsed) or has not responded to previous treatment (refractory). Immunotherapy with monoclonal antibodies, such as pembrolizumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Interferon gamma-1b may boost the immune system activity. Giving pembrolizumab and interferon gamma-1b together may work better in treating patients with stage IB-IVB mycosis fungoides and Sezary syndrome.

Publications & conference data

8 peer-reviewed publications reference this trial (live from Europe PMC):

  1. Roles of IFN-γ in tumor progression and regression: a review.
    Jorgovanovic D, Song M, Wang L, Zhang Y. · · 2020 · cited 973× · PMID 33005420 · DOI 10.1186/s40364-020-00228-x
  2. Genomic correlates of response to immune checkpoint blockade.
    Keenan TE, Burke KP, Van Allen EM. · · 2019 · cited 367× · PMID 30842677 · DOI 10.1038/s41591-019-0382-x
  3. Interferon gamma in cancer immunotherapy.
    Ni L, Lu J. · · 2018 · cited 274× · PMID 30039553 · DOI 10.1002/cam4.1700
  4. Systemic Interferon-γ Increases MHC Class I Expression and T-cell Infiltration in Cold Tumors: Results of a Phase 0 Clinical Trial.
    Zhang S, Kohli K, Black RG, Yao L, et al · · 2019 · cited 125× · PMID 31171504 · DOI 10.1158/2326-6066.cir-18-0940
  5. Emerging strategies in targeting tumor-resident myeloid cells for cancer immunotherapy.
    Wang Y, Johnson KCC, Gatti-Mays ME, Li Z. · · 2022 · cited 103× · PMID 36031601 · DOI 10.1186/s13045-022-01335-y
  6. Improving Immunotherapy Efficacy in Soft-Tissue Sarcomas: A Biomarker Driven and Histotype Tailored Review.
    Roulleaux Dugage M, Nassif EF, Italiano A, Bahleda R. · · 2021 · cited 73× · PMID 34925348 · DOI 10.3389/fimmu.2021.775761
  7. Molecular Aspects and Future Perspectives of Cytokine-Based Anti-cancer Immunotherapy.
    Chulpanova DS, Kitaeva KV, Green AR, Rizvanov AA, et al · · 2020 · cited 71× · PMID 32582698 · DOI 10.3389/fcell.2020.00402
  8. Synovial sarcoma: characteristics, challenges, and evolving therapeutic strategies.
    Blay JY, von Mehren M, Jones RL, Martin-Broto J, et al · · 2023 · cited 67× · PMID 37625194 · DOI 10.1016/j.esmoop.2023.101618

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