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NCT04530552PHASE2ACTIVE_NOT_RECRUITING

Testing the Effects of Low Dose Apalutamide on Prostate-Specific Antigen (PSA) Levels in Men Scheduled for Removal of the Prostate Gland

Clinical Study of Bioactivity of Low Dose Apalutamide in Prostate Cancer Patients Scheduled for Prostatectomy

Sponsor: National Cancer Institute (NCI)

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Key Facts

Study type
INTERVENTIONAL
Conditions
Localized Prostate Carcinoma, Prostate Adenocarcinoma, Stage I Prostate Cancer AJCC v8, Stage II Prostate Cancer AJCC v8
Interventions
Apalutamide, Biospecimen Collection, Quality-of-Life Assessment
Enrollment
34 participants
Primary completion
Nov 2024
Study completion
Jan 2027
First posted
Aug 2020
Last updated
May 2026

Primary Endpoints (CT.gov)

Change in Prostate Specific Antigen (PSA) Levels

Time frame: Baseline to end-of-intervention (mean 4.8 weeks; up to 9 weeks)

Secondary Endpoints

Reversibility of Testosterone Levels

Post-intervention Plasma Trough Apalutamide Concentrations

Health-related Quality of Life (HRQOL)

Eligibility Criteria

Inclusion Criteria: * Histologically confirmed organ-confined adenocarcinoma of the prostate (PCa) suitable for prostatectomy * Gleason score =\< (4+4), however no Gleason pattern 5 * Current serum PSA =\< 20 ng/ml * Age \> 18 years * Karnofsky \>= 70% * Leukocytes \>= 3,000/uL * Absolute neutrophil count \>= 1,500/uL * Platelets \>= 100,000/uL * Total bilirubin =\< 1.5 x institutional upper limit of normal (ULN) (note: in subjects with Gilbert's syndrome, if total bilirubin is \> 1.5 x ULN, measure direct and indirect bilirubin and if direct bilirubin is =\< 1.5 x ULN, subject may be eligible) * Aspartate aminotransferase (AST) (serum glutamic oxaloacetic transaminase \[SGOT\])/alanine aminotransferase (ALT) (serum glutamic pyruvic transaminase \[SGPT\]) \< 2.5 x institutional ULN * Creatinine \< 2 x institutional ULN * Thyroid stimulating hormone (TSH) within the institutional normal range * Willing to use adequate contraception (barrier method; abstinence; subject has had a vasecto

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✦ Analyst Commentary

Expert commentary on why this trial matters and what to watch for.

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Source

Open on ClinicalTrials.gov