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NCT Number: NCT06861166

Clinical Study of Geranium Wilfordii Combined With Androgen Deprivation in Neoadjuvant Therapy of Prostate Cancer

The high incidence of prostate cancer is one of the important diseases that threaten the health of old men in our country. Although androgen deprivation therapy is an important treatment option for prostate cancer, although neoadjuvant androgen deprivation therapy combined with radical prostatectomy reduced the positive rate of surgical margins, it did not show statistically significant improvement in prostate-specific antigen (PSA). At the same time, few trials reported pathological complete response (pCR) and minimal residual lesion (MRD).

The purpose of this project is to verify the efficacy of geranium combined with androgen deprivation in the treatment of locally advanced prostate cancer or oligometastatic prostate cancer before radical prostatectomy through randomized controlled clinical trials, so as to find an effective treatment for locally advanced prostate cancer or oligometastatic prostate cancer.

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Key information

Conditions

Age range

18 year–85 year

Sex eligibility

Male

Study type

Interventional

Phase

Phase 2 / Phase 3

About this study

This study will divide patients into two sections, and eligible patients will be enrolled. Patients with locally advanced prostate cancer or oligo-metastatic prostate cancer were divided into geranium combined androgen deprivation therapy group and androgen deprivation therapy group according to a computer-generated random sequence. In the treatment group, except for continuous androgen deprivation treatment, geranium geranium decoction was taken orally every day; The control group only received continuous androgen deprivation therapy, and the usage was the same as the treatment group. After starting the intervention, all patients should be followed up in our hospital 7, 14, 28, 56, 84 days after treatment to review blood PSA and other indicators. At the end of the treatment, imaging examinations were followed up and radical prostatectomy was performed 3 weeks later (±7 days).

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • ① Age ≥18 years and ≤85 years;
  • Histologically confirmed prostate cancer without small cell features;
  • Metastatic prostate cancer was identified by imaging examination with ≤5 oligometastases (bone or lymph node metastases) or cT3-4 stages; ④The score of ECOG (Eastern Cooperative Oncology Group) was 0-1; ⑤ All patients voluntarily sign informed consent, and can adhere to treatment and follow-up;

Exclusion criteria

  • ①Any previous or ongoing PCa treatment, including radiotherapy, chemotherapy, ADT, etc.
  • Previous prostatectomy;
  • Any other serious basic medical, mental, psychological, and other diseases that, in the judgment of the investigator, may affect the treatment of the patient
  • Allergic to the drugs used; ⑤ Refuse to undergo radical prostatectomy; ⑥ According to the investigator's judgment, it is not suitable to participate in this clinical trial;

Treatment and study plan

Geranium wilfordii combined with androgen deprivation treatment

Drug

Geranium wilfordii 15g decoction (Geranium 15g, decocted by the decocting machine in the decocting room of the pharmacy Department of the hospital) was taken orally, 200mL/ time, once/day, for 3 months + continuous androgen deprivation treatment

Androgen deprivation treatment

Drug

Continuous androgen deprivation therapy

radical prostatectomy

Procedure

After completion of treatment, radical prostatectomy was performed 3 weeks later (±7 days).

Primary outcomes

  1. pCR or MRD rate

    Time frame: up to 4 weeks

    pCR (pathological complete response) is defined as cancer that is not morphologically recognizable in a prostatectomy specimen; MRD (small residual lesion) was defined as the maximum cross-section size of the residual tumor ≤5 mm, and RCB (residual cancer load) ≤ 0.25cm3 (tumor volume ≤ 0.5cm3 × tumor cells ≤ 50%) was used to calculate the tumor volume through three-dimensional volume estimation according to the maximum cross-section size and number of cross-sections involved in the tumor. Correction of tumor cell structure;

Secondary outcomes

  1. PSA level change

    Time frame: At the end of Cycle 1 and Cycle 2 (each cycle is 21 days)

  2. Biochemical progression-free survival after radical prostatectomy

    Time frame: The evaluation period was up to 1 year ( from the date of completion of surgery to the date of first recorded psa progression)

  3. Pathologic responses after radical prostatectomy (including positive surgical margin, tumor size, prostatic extension, seminal vesicle infiltration, and lymph node involvement)

    Time frame: up to 4 weeks

Study contacts

Contact information is provided by the study sponsor or research team.

resident doctor

CONTACT

[email protected]

China+18852069821

Sponsors and collaborators

Lead sponsor

baotai Liang

Other

Registry information

Official study title

Randomized Controlled Study of Geranium Wilfordii Combined With Androgen Deprivation in Neoadjuvant Therapy for Prostate Cancer

Important dates

Study start
2025
Primary completion
2026
Study completion
2027
First posted
Mar 6, 2025
Registry last updated
Mar 6, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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