Purpose

To evaluate the preliminary efficacy of in reducing the frequency and severity of hot flashes in men on androgen deprivation therapy (ADT).

Condition

Eligibility

Eligible Ages
Over 18 Years
Eligible Genders
Male
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Ability of participant OR Legally Authorized Representative (LAR) to understand this study, and participant or LAR willingness to sign a written informed consent - Males ≥ 18 years - Histologic diagnosis of prostate cancer (PCa) - Undergoing active treatment with ADT within ≥ 30 days prior to randomization - Using either an gonadotropin releasing hormone (GNRH) agonist with a planned duration covering the 8 weeks of the study or are status post bilateral orchiectomy, - Have a castrate level of testosterone (≤ 50 ng/dL) at enrollment - Have moderate-to-severe hot flashes defined as - Seven (7) or more hot flashes per day - Total hot flash severity (HFS: total number of hot flashes for 1 week multiplied by the average severity/week) ≥ 100 - Adequate organ function, defined as follows: Result Date - Leukocytes > 1.5K/UL - Absolute Neutrophil Count (ANC) >1.5K/UL NOTE: Patients with established diagnosis of benign neutropenia are eligible to participate with ANC between 1000-1500 if in the opinion of treating physician the trial treatment does not pose excessive risk of infection to the patient. - Platelets >100K/UL - Hemoglobin ≥ 9 g/dL - Serum creatinine ≤ 1.5 x upper limit of normal (ULN) or calculated creatinine clearance ≥ 50 mL/min using the Cockcroft-Gault equation - Serum creatinine ≤ 1.5 x upper limit of normal (ULN) or calculated creatinine clearance ≥ 50 mL/min using the Cockcroft-Gault equation - Total bilirubin ≤ 1.5 x ULN OR direct bilirubin ≤ 1 x ULN - Aspartate aminotransferase and alanine aminotransferase ≤ 1.5 x ULN - Women of child-bearing potential and men with partners of childbearing potential must agree to practice sexual abstinence or to use the forms of contraception listed in Child-Bearing Potential/Pregnancy section for the duration of study participation and for 30 days following completion of therapy.

Exclusion Criteria

  • Concurrent invasive malignancy or invasive malignancy within 2 years except for chronic lymphocytic leukemia/small lymphocytic lymphoma on surveillance, suspected or proven clinical stage 1 (cT1) renal cell carcinoma on active surveillance, or the following malignancies treated with curative intent via surgical resection: carcinoma in situ of the cervix, ductal carcinoma in situ of the breast, low-grade non-muscle-invasive urothelial carcinoma, non-melanoma skin cancer. - Simultaneously enrolled in any therapeutic clinical trial - Current or anticipating use of other pharmacologic anti-neoplastic (including hormonal), or investigational agents while participating in this study. Concurrent treatment with radiotherapy is permitted. - Diagnosed with a psychiatric illness or is in a social situation that would limit compliance with study requirements - Has a known allergic reaction to any excipient contained in the study drug formulation - Active Grade 3 (per the NCI CTCAE, Version 5.0) or higher viral, bacterial, or fungal infection within 2 weeks prior to the first dose of study treatment. - Participants using the following medications within 2 weeks prior to first dosing (or within 5 times the half-life of that medication, whichever is longer) will be excluded from the study: - Inhibitors of CYP3A4 (including but not limited to macrolide antibiotics, HIV protease inhibitor, azole antifungal drugs, cyclosporine, calcium channel inhibitor, cimetidine) - Inducers of CYP3A4 (including but not limited to rifampicin, carbamazepine, efavirenz, bosentan, modafinil, St. John's Wort), Medications with narrow therapeutic index that are metabolized CYP3A4 and/or CYP2D6 are not allowed from screening until up to 5 half-lives after last dose of Osanetant is administered.

Study Design

Phase
Early Phase 1
Study Type
Interventional
Allocation
N/A
Intervention Model
Single Group Assignment
Intervention Model Description
Single-arm pilot
Primary Purpose
Treatment
Masking
None (Open Label)

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
Pilot Trial: Osanetant 28 Days
Osanetant 200 mg orally, twice per day for 28 days.
  • Drug: Osanetant
    Osanetant 200 mg orally, twice per day

More Details

Status
Withdrawn
Sponsor
University of Kansas Medical Center

Study Contact

Notice

Study information shown on this site is derived from ClinicalTrials.gov (a public registry operated by the National Institutes of Health). The listing of studies provided is not certain to be all studies for which you might be eligible. Furthermore, study eligibility requirements can be difficult to understand and may change over time, so it is wise to speak with your medical care provider and individual research study teams when making decisions related to participation.