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Study of Prolanta™ in Recurrent or Persistent Epithelial Ovarian Cancer (ProlantaOC)

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ClinicalTrials.gov Identifier: NCT02534922
Recruitment Status : Recruiting
First Posted : August 28, 2015
Last Update Posted : February 14, 2018
Sponsor:
Information provided by (Responsible Party):
Oncolix, Inc.

Brief Summary:
This trial is a Phase I open-label safety study of Prolanta™, a recombinant analog of the human prolactin protein with a single amino acid substitution to create an antagonist of the prolactin receptor. The Sponsor believes that blocking the prolactin receptor in patients with ovarian and other cancers will be effective as a monotherapy or in combination with other chemotherapies. This Phase I study will be conducted in Subjects with recurrent or persistent epithelial ovarian cancer, primary peritoneal cancer, or fallopian tube cancer.

Condition or disease Intervention/treatment Phase
Ovarian Cancer Peritoneal Cancer Fallopian Tube Cancer Biological: Prolanta, a human prolactin receptor antagonist Phase 1

Detailed Description:

This study is a first-in-human study designed to establish preliminary human safety, tolerability and pharmacokinetic parameters of Prolanta monotherapy in patients with recurrent or persistent ovarian cancer, primary peritoneal cancer, or fallopian tube cancer. In addition, biomarkers related to the activity of human prolactin will be examined in tumor samples obtained prior to treatment and at the end of study treatment to determine the pharmacodynamics of the dose levels of Prolanta administered. Three dosing levels will be evaluated, and the dose at which no dose-limiting toxicities are observed will be the recommended Phase II dose.

Because of its antagonist effect and the expected lower toxicity, Sponsor believes that Prolanta may be administered continuously as a monotherapy or in conjunction with the periodic administration of chemotherapy (i.e., a dual therapy). The dosing schedule to be used in this trial is designed to evaluate, in increments, the safety and tolerability of Prolanta over this 90 day cycle. Subjects will be assessed for antibody presence throughout the study, initially on a weekly basis and then bi-weekly. Subjects will be initially dosed for 28 days followed by a safety assessment period, and then continue for an additional 56 days if no toxicities are observed.

The primary objectives of this study are to determine the safety and tolerability of Prolanta in women with recurrent ovarian cancer and to determine the optimal dose of Prolanta to use in Phase II studies. The safety evaluation will be determined by assessing treatment-emergent adverse events, physical examination, ECG, changes in clinical laboratory results including clinical chemistry, hematology and urinalysis, changes in pituitary hormone levels, and vital signs including blood pressure, pulse and respiratory rate. The optimal dose of Prolanta will be determined by evaluating both the safety profile and blood levels of Prolanta. If possible, the effect of the Prolanta dose on tumor biomarkers and tumor burden will also be used to determine the optimally bioactive Phase II dose level.

The secondary objectives of this study are (i) to determine the pharmacokinetic parameters of Prolanta including Cmax, Tmax, half-life and area under the curve (AUC); (ii) to determine the effect of treatment with Prolanta on tumor markers; (iii) to determine clinical efficacy of Prolanta by Response Evaluation Criteria in Solid Tumors (RECIST), version 1.1


Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 18 participants
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Phase I Open-Label, Dose-Escalation and Pharmacokinetic Study of Subcutaneous Prolanta™ in Subjects With Recurrent or Persistent Epithelial Ovarian Cancer, Primary Peritoneal Cancer, or Fallopian Tube Cancer
Study Start Date : February 2016
Estimated Primary Completion Date : February 2019
Estimated Study Completion Date : February 2019


Arm Intervention/treatment
Experimental: Daily dosing
Daily subcutaneous dosing of Prolanta, a human prolactin receptor antagonist
Biological: Prolanta, a human prolactin receptor antagonist
Daily subcutaneous dosing




Primary Outcome Measures :
  1. Number of Subjects with Treatment Related Adverse Events by CTCAE v4.03 [ Time Frame: 90 days ]
    The Common Toxicity Criteria for Adverse Effects (CTCAE), version 4.03, graded toxicity scale will be utilized to assess local and systemic toxicity. Dose Limiting Toxicity is defined as any grade 3 or higher toxicity or any grade 2 hypersensitivity reaction or neurologic toxicity.



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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   Female
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Subjects must have recurrent or persistent epithelial ovarian cancer, primary peritoneal cancer or fallopian tube cancer. Histologic confirmation of the original primary tumor is required.
  • Subjects shall have had cytoreductive (debulking) surgery.
  • Formalin-fixed, paraffin-embedded tumor tissue blocks must be available for each Subject upon enrollment and provided to Sponsor within 7 days of Day 1.
  • Subjects must have measurable and accessible disease.
  • Subjects must either: (i) have relapsed within 6 months after (or progressed during) their last platinum regimen (this may be their primary/ adjuvant regimen); or (ii) have progressed after 2 or more prior platinum regimens (regardless of duration since most recent platinum regimen); or (iii) can not tolerate platinum therapy due to hypersensitivity or other allergic reactions.
  • In addition to the first platinum-based chemotherapy, Subjects are allowed to have previously received no more than two additional cytotoxic regimens for management of recurrent or persistent disease. "Cytotoxic regimens" include any agent that targets the genetic and/or mitotic apparatus of dividing cells, resulting in dose-limiting toxicity to the bone marrow and/or gastrointestinal mucosa.
  • Resolution of any effects of prior therapy (except alopecia) to NCI CTCAE v4.03 grade ≤2 and to baseline laboratory values as defined in inclusion criteria #14.
  • Eastern Cooperative Oncology Group (ECOG) performance status: 0 - 2
  • Life expectancy >12 weeks
  • Any hormonal therapy directed at the malignant tumor must be discontinued at least one week prior to registration. Continuation of hormone replacement therapy is permitted.
  • Any prior therapy directed at the malignant tumor, including immunologic agents and chemotherapy, must be discontinued at least four weeks prior to registration (6 weeks for nitrosoureas or mitomycin C).
  • Patients must have normal organ and marrow function as defined.
  • Normal electrocardiogram (ECG) with corrected QT interval (QTc) ≤470 msec.

Exclusion Criteria:

  • Currently receiving any other investigational agents or having participated in an investigational therapy trial within 30 days.
  • Planned pregnancy, currently pregnant or breastfeeding.
  • Females of childbearing potential who are not using a medically accepted means of contraception (e.g., intrauterine device, oral contraceptive, implant, Depo-Provera®, or barrier devices with spermicide) when engaging in sexual intercourse.
  • History or evidence upon physical examination of central nervous system (CNS) disease, including primary brain tumor, seizures not controlled with standard medical therapy, any brain metastases or history of cerebrovascular accident, transient ischemic attack or subarachnoid hemorrhage within 6 months of registration on this study.
  • Serious pre-existing medical conditions such as severe heart disease or uncontrolled: infections, hypertension, hypercalcemia, diabetes, or psychogenic disorders.
  • Have any other concurrent malignancies, except adequately treated in situ carcinoma of the cervix or basal cell or squamous cell carcinoma of the skin. (Subjects who have undergone potentially curative therapy for a prior malignancy are eligible provided there is no evidence of disease for ≥ 5 years and patient is deemed to be at low risk for recurrence.)
  • Any other significant medical condition that, in the opinion of the Investigator, would significantly decrease study compliance, jeopardizes the safety of the patient, or affects the validity of the trial results.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02534922


Contacts
Contact: Michael T Redman 2814023167 MRedman@OncolixBio.com

Locations
United States, South Carolina
ITOR/GHS Recruiting
Greenville, South Carolina, United States, 29605
Contact: Lisa Johnson, RN    864-455-3600    ljohnson4@ghs.org   
Contact: Jill Cantrell, RN    8644553600    jcantrell@ghs.org   
Sponsors and Collaborators
Oncolix, Inc.
Investigators
Study Director: Michael T Redman Oncolix, Inc.

Responsible Party: Oncolix, Inc.
ClinicalTrials.gov Identifier: NCT02534922     History of Changes
Other Study ID Numbers: ONC-OC-001
First Posted: August 28, 2015    Key Record Dates
Last Update Posted: February 14, 2018
Last Verified: February 2018

Additional relevant MeSH terms:
Ovarian Neoplasms
Neoplasms, Glandular and Epithelial
Fallopian Tube Neoplasms
Peritoneal Neoplasms
Endocrine Gland Neoplasms
Neoplasms by Site
Neoplasms
Ovarian Diseases
Adnexal Diseases
Genital Diseases, Female
Genital Neoplasms, Female
Urogenital Neoplasms
Endocrine System Diseases
Gonadal Disorders
Neoplasms by Histologic Type
Fallopian Tube Diseases
Abdominal Neoplasms
Digestive System Neoplasms
Digestive System Diseases
Peritoneal Diseases