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Prostate Cancer clinical trials

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NCT ID: NCT05707182 Not yet recruiting - Prostate Cancer Clinical Trials

18F-rhPSMA-7.3 PET/MRI in Prostate Cancer Active Surveillance: A Pilot Study

Start date: March 2023
Phase: Early Phase 1
Study type: Interventional

The purpose of this study is to investigate the usefulness of PET/MRI with an investigational radioactive drug, 18F-rhPSMA-7.3, and MRI contrast in evaluating patients with prostate cancer eligible for active surveillance. This study is for imaging purposes only and is not a treatment study.

NCT ID: NCT05705921 Not yet recruiting - Prostate Cancer Clinical Trials

Standard Moderately Hypofractionated RT vs. Ultra-hypofractionated Focal Lesion Ablative Microboost in Prostate Cancer

Start date: February 1, 2023
Phase: N/A
Study type: Interventional

EBRT is one of the standard treatment options for patients with localized PCA. Based on the outcome of randomized trials, moderately hypofractionated RT(19-25 fractions of 2.5-3.4Gy) is considered equivalent to conventional fractionated schemes with 35-39 fractions of 2Gy. A schedule of 20 fractions to a dose of 60-62Gy is adopted as standard of care for all risk-groups. Driven by the success of moderate hypofractionation, there is a strong trend towards extreme hypofractionation, also called SBRT, reducing the number of fractions even further. The schedule mostly used is 5 fractions of 7-7.25Gy. Its effectiveness, equivalence to standard EBRT schedules, has been demonstrated for low and favourable intermediate risk (IM) patients. For unfavourable IM (here defined as IM with ISUP grade 3) and high-risk (HR) PCA the outcome of EBRT can be further improved by dose escalation. Because of dose-limiting toxicity, the maximal dose of EBRT for conventionally fractionated schemes was approximately 80Gy. Initially hypofractionation was considered as a potential way to escalate the biologically effective dose (BED) above 80Gy, however, this proved not to be the case. With hypofractionation, a saturation in dose effect seems to be present at a BED of 80Gy. Recently, the multi-centre phase III FLAME trial broke the '80Gy barrier' and showed that in mainly HR PCA patients, treated with a conventional fractionation schedule, focal boosting of the intraprostatic lesion to a total dose of 95Gy improves biochemical disease-free survival (bDFS). However, given the advantages of hypofractionation in terms of patient comfort and costs, the FLAME schedule is not ideal as the standard treatment. For unfavourable IM and HR PCA patients the value of SBRT has not yet been established. The FLAME trial showed that higher than standard BED is a prerequisite for optimal bDFS. Furthermore, post SBRT biopsies results suggest a dose response relationship with better outcome of dose levels above 40Gy. Therefore, probably a higher than standard dose SBRT is necessary for these patients. A recent meta-analysis suggests diminishing results from increased fraction sizes in SBRT. So, the question remains whether dose escalation in SBRT will indeed improve treatment outcome. With standard SBRT to the whole prostate, dose escalation is limited to 40Gy because of unacceptable toxicity. In line with FLAME, we conducted the Hypo-FLAME trial investigating focal dose escalation in SBRT. In the phase II Hypo-FLAME trial, 100 patients with IM or HR PCA were treated with SBRT 35Gy in 5 weekly fractions to the whole prostate with a focal boost up to 50Gy. The acute toxicity rates, the primary endpoint, were low and similar to standard SBRT indicating this schedule can be safely applied. Given this was a phase II trial, no conclusions on oncological outcome can be drawn. Shortening of the overall treatment time (OTT) has been suggested to play a role in SBRT efficacy and 5 fractions delivered every other day this is internationally accepted as standard. We therefore initiated the phase II Hypo-FLAME 2.0 trial, investigating the feasibility of a reduction in the OTT of the Hypo-FLAME schedule from 29 to 15 days with acute toxicity as primary endpoint. The accrual of this trial is completed and a first analysis of the primary endpoint shows low toxicity figures, well in the range of what was expected. We expect to submit the analysis for publication by the end of 2022. At present, it is unknown what the oncological efficacy of the Hypo-FLAME schedule is compared to the standard of care in unfavourable IM and HR prostate cancer. Therefore, we will conduct a Phase III multi-centre randomized trial, in which 484 patients with unfavourable IM or HR PCA will be randomized between: 1. Standard treatment; moderately hypofractionated radiotherapy 62 Gy in 20 fractions of 3.1Gy 2. Experimental treatment; SBRT 5x7Gy with an iso-toxic integrated focal boost up to 50 Gy (Hypo-FLAME).

NCT ID: NCT05705700 Not yet recruiting - Prostate Cancer Clinical Trials

Biomarker Study of in Men With PSA Progression on Abi for CR or CS PC (Bio-STAMP)

Start date: February 2023
Phase: Phase 2
Study type: Interventional

This is a multicenter, Phase II randomized biomarker-based therapeutic study in metastatic prostate cancer experiencing prostate specific antigen (PSA) only progression (without visceral, bone or lymph node progression) while on abiraterone therapy.

NCT ID: NCT05700903 Not yet recruiting - Hypertension Clinical Trials

Contributions to Hypertension With Androgen Deprivation Therapy

Start date: April 1, 2023
Phase: Phase 4
Study type: Interventional

This study plans to learn more about contributors to high blood pressure in men who undergo androgen deprivation therapy (ADT) to treat prostate cancer. Prostate cancer is the most common non-skin cancer in men, affecting approximately 1 in 8 American men and its primary treatment is through the use of ADT. However, ADT increases the likelihood of developing heart disease including high blood pressure. This study will determine if dysfunction of the nervous system and/or kidneys occurs in men undergoing ADT, as these systems play a significant role in control of blood pressure. The results from this study will help us understand the ways in which ADT contributes to heart disease and help us develop therapies to prevent heart disease in prostate cancer survivors.

NCT ID: NCT05690399 Not yet recruiting - Prostate Cancer Clinical Trials

Evaluation of Clinical and Pathological Characteristics and Routine Treatment of Patients With Prostate Cancer

Start date: January 2023
Study type: Observational

To evaluate clinical and pathological characteristics and treatment protocol and outcomes of patients with prostate cancer in 2 centers of Asyut from 2013 to 2023

NCT ID: NCT05683964 Not yet recruiting - Prostate Cancer Clinical Trials

Androgen Receptor Signaling and Prostate-Specific Membrane Antigen Expression

Start date: January 2023
Phase: Early Phase 1
Study type: Interventional

The goal of this research study is to determine whether hormonal therapies used early in the course of prostate cancer could increase the amount of Prostate-Specific Membrane Antigen (PSMA) as detected by PET/CT scans for participants with recurrent prostate cancer. This study will measure PSMA levels using standard PET/CT scans and participants will receive standard-of-care androgen receptor antagonist monotherapy. The names of the treatment interventions involved in this study are: - Androgen receptor antagonist monotherapy. - PSMA PET/CT scan It is expected that about 15 people will take part in this research study. Participation in this research study is expected to last about 4 weeks.

NCT ID: NCT05683691 Not yet recruiting - Prostate Cancer Clinical Trials

Water Vapor Ablation for Localized Intermediate Risk Prostate Cancer

Start date: January 2023
Phase: N/A
Study type: Interventional

The purpose of this study is to evaluate the safety and efficacy of the Vanquish Water Vapor Ablation Device ("Vanquish") in treating subjects with Gleason Grade Group 2 (GGG2) localized intermediate-risk prostate cancer.

NCT ID: NCT05681416 Not yet recruiting - Prostate Cancer Clinical Trials

Prostate Cancer Prevention Clinic for Men With Risk of Familial Prostate Cancer

Start date: February 1, 2023
Phase: N/A
Study type: Interventional

Secondary prevention of prostate cancer (PCa) is not standardized and high-risk groups at the time of diagnosis are not well defined. Hereditary susceptibility which is reported in about 10% of men is one important risk factor for PCa development but the absolute risk and clinical importance is fairly unknown. The population risk for developing PCa is estimated to be 11%. If men carry a mutation in BRCA2 or HOXB13, the lifetime risk is 2 to 10-fold increased. "ProFam-Risk" is a prospective cohort analysis not only to validate the known genetic risk scores but also to establish recommendations for follow of high risk populations based on a combination of clinical parameters, imaging (magnetic resonance imaging of the prostate), and genetic profile. Aim of this individualized recommendation is on the one hand to early detect PCa before developing of advanced disease and on the other hand to counsel men at low risk in order to prevent overdiagnosis and overtreatment. Overall, "ProFam-Risk" aims to create a best possible counseling and clinical care for men with familial risk to develop PCa. In this pilot study, about 100 men per year will be included for a total period of 3 years. In addition to the registration of clinical, imaging, and genetic information, liquids and tissue (if available) will be sampled for analysis in the above mentioned research questions.

NCT ID: NCT05679388 Not yet recruiting - Prostate Cancer Clinical Trials

A Study of Extending Relugolix Dosing Intervals Through Addition of Itraconazole or Ritonavir in Prostate Cancer Patients

Start date: March 1, 2023
Phase: Phase 1
Study type: Interventional

Researchers leading this study hope to learn about the safety of combining the study drug relugolix with another study drug called itraconazole or ritonavir in prostate cancer. This study is for individuals who have advanced prostate cancer and plans to have medical castration (the use of medications or chemicals to lower hormone production in the testicles). Your participation in this research will last up to 1 month. The purpose of this research is to gather information on the safety and effectiveness of relugolix in combination with ritonavir or itraconazole. The goal of this research is to find out if combining two medications (relugolix and itraconazole or relugolix and ritonavir) could possibly lead to using less relugolix, which is an expensive drug.

NCT ID: NCT05679193 Not yet recruiting - Prostate Cancer Clinical Trials

Perioperative Propranolol During Prostatectomy to Decrease Cancer Recurrence

Start date: January 1, 2023
Phase: Phase 2
Study type: Interventional

The purpose of this study is to assess the feasibility of conducting a larger randomized controlled trial to assess the efficacy of perioperative propranolol capsules compared with placebo capsules in decreasing recurrence of prostate cancer after robotic assisted laparoscopic prostatectomy (RALP) in participants with intermediate to high-risk for prostate cancer recurrence.