Long-term Safety of TPN171H Tablet in Erectile Dysfunction.

NCT ID: NCT06301854

Last Updated: 2025-07-25

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

472 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-04-12

Study Completion Date

2025-06-05

Brief Summary

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This is a multicenter, open study to evaluate the long-term safety and efficacy of TPN171H in men with erectile dysfunction.

Detailed Description

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Conditions

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Erectile Dysfunction

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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TPN171H group

10 mg/ time, as needed, it is recommended to take warm water within 0.5 to 4 hours before sexual activity.

Group Type EXPERIMENTAL

TPN171H

Intervention Type DRUG

10 mg/ time, as needed, it is recommended to take warm water within 0.5 to 4 hours before sexual activity.

Interventions

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TPN171H

10 mg/ time, as needed, it is recommended to take warm water within 0.5 to 4 hours before sexual activity.

Intervention Type DRUG

Other Intervention Names

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Simmerafil

Eligibility Criteria

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Inclusion Criteria

* 18 years to 75 years (inclusive);
* Males with ED at least 3 months;
* IIEF-5 ≤ 21 at visit 1;
* Patients in a stable, heterosexual relationship during the study;
* At the end of the untreated baseline period, the following conditions are met:(1)The subject must make at least four attempts at sexual intercourse during the untreated baseline period. (2)At least 50% of attempts during this period must be unsuccessful,(unsuccess means at least one of the first three questions should be answered "No" in SEP).(3)5≤IIEF-EF≤25.
* Patients who are willing to have 4 or more attempts of sexual intercourse per month, demonstrated compliance with the study protocol, including drug administration, diary completion, and scheduled study visits, during the qualifying trial;
* Patients who are willing to take proper contraceptive during the study and within 3 months after the last dose;
* Patients who have voluntarily decided to participate in this study, and signed the informed consent form.

Exclusion Criteria

* Patients who have a history of hypersensitivity to other PDE5 inhibitors or TPN171H;
* Patients with anatomical malformations of the penis;
* Patients with primary hypoactive sexual desire;
* Patients with ED, which is caused by any other primary sexual disorder;
* Patients with ED, which is caused by spinal injury or have had a radical prostatectomy or other surgery;
* Patients who have a penile implant;
* Patients who do not respond to marketed PDE5 inhibitors or have adverse reactions that lead to drug discontinuation;
* CYP3A4 potent inhibitors, moderate inhibitors, and potent inducers need to be used during the trial or discontinued for less than 31 days before enrollment;
* Subjects who are taking nitrate or NO donor drugs, guanylate cyclase agonists and cannot be discontinued during the trial;
* Patients with the following cardiovascular disease: Myocardial infarction or stroke within the last 6 months; Unstable angina or angina occurring during sexual intercourse; New York Heart Association Class 2 or greater heart failure in the last 6 months;
* Uncontrolled hypotension (\<90/60mmHg) or uncontrolled hypertension (≥180/110mmHg);
* Patients with diabetic complications (diabetic nephropathy, peripheral neuropathy);
* Patients with hepatic or renal dysfunction as per the following: AST, ALT\>3\*ULN, serum creatinine exceeds 50% of the upper limit of normal value;
* Patients with active gastrointestinal ulcers and bleeding disorders;
* Patients who have a history of NAION, or with a known genetically degenerative retinopathy, including retinitis pigmentosa;
* Patients who have a history of sudden decrease or loss of hearing;
* Patients with a history of severe central nervous system injury or peripheral muscular neurological disease in the past 6 months;
* Patient with a history of malignancy;
* Patients with significant neurological abnormalities who are unable or unwilling to cooperate;
* Patients whose partner is breastfeeding/pregnant/trying to become pregnant, has a gynecological disease or is restricted in their activities during treatment;
* Patients who have used other drugs in clinical trials within the last 1 month;
* For other reasons besides the aforementioned cases, patient whose participation is deemed inappropriate.
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

No

Sponsors

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Vigonvita Life Sciences

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Hui Jiang

Role: PRINCIPAL_INVESTIGATOR

Peking University First Hospital

Locations

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The First Affiliated Hospital of Anhui Medical University

Hefei, Anhui, China

Site Status

Peking University First Hospital

Beijing, Beijing Municipality, China

Site Status

Peking University Third Hospital

Beijing, Beijing Municipality, China

Site Status

Guangzhou First People's Hospital

Guangzhou, Guangdong, China

Site Status

The Fifth Affiliated Hospital of Guangzhou Medical University

Guangzhou, Guangdong, China

Site Status

The Third Affiliated Hospital of Guangzhou Medical University

Guangzhou, Guangdong, China

Site Status

Shantou Central Hospital

Shantou, Guangdong, China

Site Status

The Second Affiliated Hospital of Shantou University Medical College

Shantou, Guangdong, China

Site Status

Shenzhen Songgang People's Hospital

Shenzhen, Guangdong, China

Site Status

The 2nd Affiliated Hospital of Guilin Medical University

Guilin, Guangxi, China

Site Status

The Affiliated Hospital of Guizhou Medical University

Guiyang, Guizhou, China

Site Status

Qingyuan People's Hospital

Qingyuan, G, China

Site Status

The Second Hospital of Hebei Medical Uniyersity

Shijiazhuang, Hebei, China

Site Status

Xingtai People's Hospital

Xingtai, Hebei, China

Site Status

Henan Provincial People's Hospital

Zhengzhou, Henan, China

Site Status

The First Affiliated Hospital of Henan University

Zhengzhou, Henan, China

Site Status

The Central Hospital of Wuhan

Wuhan, Hubei, China

Site Status

Wuhan Union Hospital

Wuhan, Hubei, China

Site Status

The First Affiliated Hospital of Hunan University of Traditional Chinese Medicine

Changsha, Hunan, China

Site Status

Loudi Central Hospital

Loudi, Hunan, China

Site Status

Yueyang People's Hospital

Yueyang, Hunan, China

Site Status

Second Affiliated Hospital of Suzhou University

Suzhou, Jiangsu, China

Site Status

Nanchang reproductive hospital

Nanchang, Jiangxi, China

Site Status

Yichang Central People's Hospital (Xiling Campus)

Yichang, Jiangxi, China

Site Status

The First Hospital of Jilin University

Changchun, Jilin, China

Site Status

The Second Hospital of Dalian Medical University

Dalian, Liaoning, China

Site Status

Chifeng Municipal Hospital

Chifeng, Neimenggu, China

Site Status

The Affiliated Hospital of Qinghai University

Xining, Qinghai, China

Site Status

Xianyang Central Hospital

Xianyang, Shanxi, China

Site Status

The Second Affiliated Hospital of Shaanxi University of Chinese Medicine

Xian, Shanxi, China

Site Status

Nuclear Industry 416 Hospital

Chengdu, Sichuang, China

Site Status

The Affiliated Hospital of Chengdu University

Chengdu, Sichuang, China

Site Status

Suining Central Hospital

Suining, Sichuang, China

Site Status

Xinjiang Uygur Autonomous Region Hospital of Traditional Chinese Medicine

Ürümqi, Xinjiang, China

Site Status

Countries

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China

Other Identifiers

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TPN171H-E302

Identifier Type: -

Identifier Source: org_study_id

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