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Closed (no longer recruiting)Last updated: 5 February 2024

KEYNOTE-B96: This phase III trial is evaluating whether immunotherapy (pembrolizumab) versus placebo, combined with chemotherapy (paclitaxel), with or without targeted therapy (bevacizumab), is more effective in people with epithelial ovarian, fallopian tube, or primary peritoneal cancerA Phase 3, Randomized, Double-Blind Study of Pembrolizumab Versus Placebo in Combination With Paclitaxel With or Without Bevacizumab for the Treatment of Platinum-resistant Recurrent Ovarian Cancer (KEYNOTE-B96/ENGOT-ov65)

Clinical summary

Summary

Eligible participants will be randomised into either the Experimental Arm or Placebo Comparator Arm. In the Experimental Arm, participants will receive pembrolizumab plus paclitaxel, with or without bevacizumab. Pembrolizumab (400mg) will be administered via intravenous infusion (IV) for 18 6-week cycles. Paclitaxel (80mg/m^2) will be administered via IV on Days 1, 8 and 15 of each 3-week cycle until intolerance or disease progression. Participants who experience severe hypersensitivity reaction to paclitaxel or an AE requiring discontinuation of paclitaxel may receive docetaxel (75 mg/m^2 every 3 weeks [Q3W]) after Sponsor consultation. Participants may also receive bevacizumab (10mg/kg) via IV of each 2-week cycle until intolerance, disease progression, or at the Investigator's discretion. In the Placebo Comparator Arm, placebo plus paclitaxel, with or without bevacizumab. A placebo will be administered via IV for 18 6-week cycles. Paclitaxel (80mg/m^2) will be administered via IV on Days 1, 8 and 15 of each 3-week cycle until intolerance or disease progression. Participants who experience severe hypersensitivity reaction to paclitaxel or an AE requiring discontinuation of paclitaxel may receive docetaxel (75 mg/m^2 Q3W) after Sponsor consultation. Participants may also receive bevacizumab (10mg/kg) via IV of each 2-week cycle until intolerance, disease progression, or at the Investigator's discretion.

Conditions

This trial is treating patients with epithelial ovarian, fallopian tube, or primary peritoneal cancer

Cancer

Female Reproductive System Cancers Gynaecological

Age

People18+

Phase

III

Trial Acronym

KEYNOTE-B96

More information

Trial Identifiers

Use the hyperlinks, where available to access additional clinical trial information.

Trial sponsor

Merck

Scientific Title

A Phase 3, Randomized, Double-Blind Study of Pembrolizumab Versus Placebo in Combination With Paclitaxel With or Without Bevacizumab for the Treatment of Platinum-resistant Recurrent Ovarian Cancer (KEYNOTE-B96/ENGOT-ov65)

Eligibility

Inclusion

  • Has histologically confirmed epithelial ovarian, fallopian tube, or primary peritoneal carcinoma.
  • Has received 1 or 2 prior lines of systemic therapy for ovarian cancer (OC), including at least 1 prior platinum-based therapy. Participants may have received a prior poly (ADP-ribose) polymerase inhibitor (PARPi), anti-PD-1/anti-PD-L1 therapy, bevacizumab, or hormonal therapy; these will not be considered a separate line of therapy. Any chemotherapy regimen change due to toxicity in the absence of disease progression will be considered part of the same line of therapy.
  • Has provided documented informed consent for the study.
  • Has radiographic evidence of disease progression within 6 months (180 days) after the last dose of platinum-based chemotherapy for OC (i.e., platinum-resistant disease).
  • Is a candidate for paclitaxel chemotherapy (and bevacizumab, if using).
  • Has an Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 1 assessed within 3 days before randomization.
  • For a female participant, she is not pregnant or breastfeeding, and at least one of the following conditions applies: Is not a woman of childbearing potential (WOCBP) OR Is a WOCBP and uses a contraceptive method that is highly effective (with a failure rate of <1% per year).
  • Has radiographically evaluable disease, either measurable or nonmeasurable per RECIST 1.1, as assessed by the local site investigator.
  • Archival tumor tissue sample or newly obtained core or incisional/excisional biopsy of a tumor lesion not previously irradiated has been provided.
  • Have adequate organ function.

Exclusion

  • Has nonepithelial cancers, borderline tumors, mucinous, seromucinous that is predominantly mucinous, malignant Brenner's tumor and undifferentiated carcinoma.
  • Has primary platinum-refractory disease, defined as disease that has progressed per radiographic imaging while receiving or within 28 days of the last dose of first-line platinum-based therapy.
  • Has prior disease progression on weekly paclitaxel alone.
  • Has received >2 prior lines of systemic therapy for OC.
  • Has received prior systemic anticancer therapy including investigational agents or maintenance therapy (including bevacizumab maintenance therapy), within 4 weeks before randomization.
  • Has received prior radiation therapy within 2 weeks of start of study intervention.
  • Has not recovered adequately from surgery and/or any complications from the surgery.
  • Has received colony-stimulating factors (e.g., granulocyte colony-stimulating factor [G-CSF], granulocyte-macrophage colony-stimulating factor,[GM-CSF] or recombinant erythropoietin) within 4 weeks before randomization.
  • Has received a live or live-attenuated vaccine within 30 days before the first dose of study intervention.
  • Has received investigational agent or has used an investigational device within 4 weeks prior to study intervention.
  • Has a diagnosis of immunodeficiency or is receiving chronic systemic steroid therapy.
  • Has a known additional malignancy that is progressing or has required active treatment within the past 3 years.
  • Has known active central nervous system (CNS) metastases and/or carcinomatous meningitis.
  • Has severe hypersensitivity (≥Grade 3) to pembrolizumab, paclitaxel, or bevacizumab (if using) and/or any of their excipients.
  • Has an active autoimmune disease that has required systemic treatment in the past 2 years.
  • Has a history of (noninfectious) pneumonitis/interstitial lung disease that required steroids or has current pneumonitis/interstitial lung disease.
  • Has an active infection requiring systemic therapy.
  • Has a known history of human immunodeficiency virus (HIV) infection.
  • Has a known history of Hepatitis B or known active Hepatitis C virus infection.
  • Has a history or current evidence of any condition, therapy, laboratory abnormality, or other circumstance that might confound the results of the study.
  • Has a known psychiatric or substance abuse disorder that would interfere with the participant's ability to cooperate with the requirements of the study.
  • Participant, in the judgement of the investigator, is unlikely to comply with the study procedures, restrictions, and requirements of the study.
  • Has had an allogenic tissue/solid organ transplant.

For bevacizumab treatment

  • Has uncontrolled hypertension.
  • Has current, clinically relevant bowel obstruction including related to underlying epithelial OC, abdominal fistula or gastrointestinal perforation, intra-abdominal abscess, or evidence of rectosigmoid involvement by pelvic exam.
  • Has a history of thrombotic disorders, hemorrhage, hemoptysis, or active gastrointestinal bleeding within 6 months before randomization.

Inclusion

  • You have had treatment but your cancer has gotten worse or has not responded to the treatment you have been given.
  • You have had treatment, but your cancer has come back.

Exclusion

  • You have been diagnosed with a prior or secondary type of cancer.
  • You have certain types of non-cancer medical conditions.
  • You have had certain treatments, surgical procedures or drugs.
Message

Clinical trials have complex eligibility criteria.

Ask your doctor if this trial could be right for you.

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