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NCT Number: NCT06834321

Clinical Study on Neoadjuvant Therapy of Homoharringtonine Combined With Androgen Deprivation for 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 therapeutic effect of homoharringtonine combined androgen deprivation in patients with locally advanced prostate cancer or oligometastatic prostate cancer before radical prostatectomy through a randomized controlled clinical trial, 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

Primary location

Zhongda Hospital, Nanjing, Jiangsu, China

Loading trial locations.

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 two groups, homoharringtonine combined with androgen deprivation and placebo combined with androgen deprivation, according to a computer-generated random sequence. Treatment group was given 1mg intravenous infusion of homoharringtonine + 250ml 5% glucose injection, once a day for two consecutive days, and repeated medication after three weeks of intermittent treatment for two cycles + continuous androgen deprivation therapy; In the placebo group, the same size, color, and dosage form of 5% glucose injection were used, and the administration was the same as in the treatment group. After starting the intervention, all patients should be followed up in our hospital every treatment cycle to review blood PSA and other indicators. At the end of the treatment cycle, 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

Homoharringtonine combined with androgen deprivation therapy

Drug

Homoharringtonine 1mg intravenous infusion +5% glucose injection 250ml intravenous infusion, once a day for two consecutive days, repeated administration after three weeks of intermittent treatment, lasting two cycles + continuous androgen deprivation therapy.

Other names: drug intervention

Placebo combined with androgen deprivation treatment group

Drug

Placebo 1mg intravenous infusion +5% glucose injection 250ml intravenous infusion, once a day for two consecutive days, and repeated administration after a break of three weeks for two cycles + continuous androgen deprivation therapy,placebo is 5% glucose injection.

Other names: drug intervention

radical prostatectomy

Procedure

Radical prostatectomy was performed 3 weeks (±7 days) after the treatment cycle.

Other names: surgical intervention

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

Collaborators

  • The First People Hospital of Nantong City

Registry information

Official study title

A Randomized Controlled Study of Homoharringtonine Combined With Androgen Deprivation in Neoadjuvant Therapy for Prostate Cancer

Important dates

Study start
2025
Primary completion
2026
Study completion
2027
First posted
Feb 19, 2025
Registry last updated
Sep 8, 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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