NCT06064448

Brief Summary

Objective: The purpose of this study was to evaluate the clinical efficacy and safety of Ningmitai capsule alone or in combination with sildenafil compared with sildenafil alone in the treatment of CP/CPPS with erectile dysfunction. Study Design: A multicenter, prospective, randomized and positive drug-controlled clinical study design was adopted. Interventions: ① Western medicine group (sildenafil): Sildenafil citrate, 25mg/capsule, once a night, one capsule each time, for 4 weeks. ② Chinese medicine group (Ningmitai capsule): Ningmitai capsule, 0.38 g/capsule, 3 times a day, 4 capsules each time, taken after meals for 4 weeks continuously. ③ Combination group (Ningmitai capsule + sildenafil): Ningmitai capsule, 0.38 g/capsule, 3 times a day, 4 capsules each time, taken after meals; Sildenafil citrate, 25mg/capsule, once a night, one capsule each time, was taken continuously for 4 weeks.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
254

participants targeted

Target at P75+ for phase_4

Timeline
Completed

Started Mar 2019

Longer than P75 for phase_4

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 19, 2019

Completed
3.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 22, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 22, 2022

Completed
9 months until next milestone

First Submitted

Initial submission to the registry

September 26, 2023

Completed
7 days until next milestone

First Posted

Study publicly available on registry

October 3, 2023

Completed
Last Updated

October 12, 2023

Status Verified

September 1, 2023

Enrollment Period

3.8 years

First QC Date

September 26, 2023

Last Update Submit

October 9, 2023

Conditions

Keywords

Ningmitai capsuleSildenafilChronic prostatitis/chronic pelvic pain syndromeErectile Dysfunction

Outcome Measures

Primary Outcomes (1)

  • The response rate of patients at 4 weeks of treatment.

    The response rate is defined as the proportion of patients whose NIH-CPSI pain score decreased by at least 4 points and IIEF-5 score or EHS score increased at 4 weeks of treatment.

    Treatment for 4 weeks

Secondary Outcomes (3)

  • NIH-CPSI sub-score and its change value compared with baseline period at 2 weeks and 4 weeks of treatment

    Treatment for 2 and 4 weeks

  • At 2 and 4 weeks of treatment, IIEF-5 score and its change compared with baseline.

    Treatment for 2 and 4 weeks

  • The evaluation grade of EHS of patients at 2 weeks and 4 weeks of treatment

    Treatment for 2 and 4 weeks

Study Arms (3)

Western Medicine Section (Sildenafil)

ACTIVE COMPARATOR

Sildenafil is an effective and commonly used oral PDE5 inhibitor in the treatment of ED. In this study, the subjects in the western medicine group will take sildenafil citrate orally, 25mg/capsule, once a night, one capsule each time for 4 weeks.

Drug: Sildenafil

Traditional Chinese medicine group (Ningmitai capsule)

EXPERIMENTAL

Ningmitai Capsule (Ningmitai®) is Traditional Chinese Medicine which has already used in treatment of Urinary and reproductive system disease (eg. CP/CPPS, ED) in China for more than twenty years. In this study, the subjects took Ningmitai Capsule (produced by Guiyang Xintian Pharmaceutical Co., Ltd., Sinopharm Zhunzi Z20025442), 0.38 g/capsule, 3 times a day, 4 capsules each time, and took it after meals for 4 weeks.

Drug: Ningmitai capsule

Combined group (Ningmitai capsule + sildenafil)

EXPERIMENTAL

In this study, the subjects will take Ningmitai Capsule (produced by Guiyang Xintian Pharmaceutical Co., Ltd., Sinopharm Zhunzi Z20025442), 0.38 g/capsule, 4 capsules each time three times a day, after meals; Sildenafil citrate, 25mg/capsule, once a night, one capsule each time, was taken orally for 4 weeks.

Drug: Ningbitai capsule + sildenafil

Interventions

Subjects were given sildenafil citrate, 25mg/capsule, once a night, one capsule each time, for 4 weeks.

Also known as: Western Medicine Section
Western Medicine Section (Sildenafil)

The subjects took Ningmitai capsule, 0.38 g/capsule, 3 times a day, 4 capsules each time, after meals, and continued to treat for 4 weeks.

Also known as: Traditional Chinese medicine group
Traditional Chinese medicine group (Ningmitai capsule)

The subjects took Ningmitai capsule orally, 0.38 g/capsule, 3 times a day, 4 capsules each time, and took it after meals. Sildenafil citrate, 25mg/capsule, once a night, one capsule each time, was taken orally for 4 weeks.

Also known as: Combined group
Combined group (Ningmitai capsule + sildenafil)

Eligibility Criteria

Age20 Years - 50 Years
Sexmale
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Male patients aged 20-50 years;
  • Have a fixed sexual partner and have a normal sexual life;
  • Long-term and repeated pelvic discomfort or pain (NIH-CPSI pain score ≥ 4), or accompanied by lower urinary tract symptoms (micturition score \> 4), lasting more than 3 months;
  • Secondary patients with erectile dysfunction after normal erection or sexual intercourse, and IIEF-5 ≤ 21 points;
  • It accords with the main symptoms of damp-heat stagnation syndrome in traditional Chinese medicine;
  • Volunteer subjects and agree to sign informed consent.

You may not qualify if:

  • Those who use any antibiotics, α-receptor blockers, PDE5 inhibitors and androgens within one week;
  • Patients with varicocele or tumors in prostate, bladder and urethra;
  • Have received TURP, TUIP, bladder neck incision, transurethral hyperthermia/radiofrequency ablation/balloon dilatation, open prostatectomy, or any other prostate surgery and treatment, such as cryotherapy or hyperthermia;
  • Patients with severe organic ED, drug-induced and traumatic ED, abnormal development of external genitalia or abnormal sex hormone level;
  • Patients with severe cardiovascular and cerebrovascular diseases, liver, kidney and hematopoietic diseases and psychosis;
  • Those who are known to be allergic to the drugs tested in this study or some of their components

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

The First Affiliated Hospital of Sun Yat-sen University

Guangzhou, Guangdong, 671013, China

Location

Related Publications (1)

  • Luo D, Guo J, Chen T, Liu G, Luo P, Deng Z, Tang YX, Liao Y, Deng C. The efficacy of combination therapy with Ningmitai capsule and sildenafil in men with chronic prostatitis/chronic pelvic pain syndrome and erectile dysfunction: a prospective, multicenter, randomized controlled trial. Sex Med. 2025 May 13;13(2):qfaf024. doi: 10.1093/sexmed/qfaf024. eCollection 2025 Apr.

MeSH Terms

Conditions

ProstatitisErectile Dysfunction

Interventions

Sildenafil Citrate

Condition Hierarchy (Ancestors)

Prostatic DiseasesGenital Diseases, MaleGenital DiseasesUrogenital DiseasesMale Urogenital DiseasesSexual Dysfunction, PhysiologicalSexual Dysfunctions, PsychologicalMental Disorders

Intervention Hierarchy (Ancestors)

SulfonamidesAmidesOrganic ChemicalsSulfonesSulfur CompoundsPiperazinesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsPurinesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-Ring

Study Officials

  • Deng Chunhua, Doctor

    First Affiliated Hospital, Sun Yat-Sen University

    STUDY CHAIR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 26, 2023

First Posted

October 3, 2023

Study Start

March 19, 2019

Primary Completion

December 22, 2022

Study Completion

December 22, 2022

Last Updated

October 12, 2023

Record last verified: 2023-09

Data Sharing

IPD Sharing
Will not share

Locations