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A Clinical Study to Evaluate the Efficacy and Safety of Naltrexone Implants for the Prevention of Relapse in Opioid-Dependent Patients After Detoxification

A Clinical Study to Evaluate the Efficacy and Safety of Naltrexone Implants for the Prevention of Relapse in Opioid-Dependent Patients After Detoxification

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600126207
Enrollment
Unknown
Registered
2026-06-05
Start date
2026-06-12
Completion date
Unknown
Last updated
2026-06-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None

Interventions

Experimental group:1.5 g of naltrexone hydrochloride was surgically implanted subcutaneously into the abdomen

Sponsors

Second Xiangya Hospital, Central South University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1.Voluntarily sign the informed consent form and be capable of complying with the follow-up schedule and completing study assessments; 2.Male or female subjects aged 18 to 65 years (inclusive); 3.Meet the diagnostic criteria for Opioid Use Disorder according to the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5), meet the diagnostic criteria for opioid withdrawal, and have completed detoxification treatment; 4.Test negative in the qualitative urine test for opioids; 5.Have abstained from opioid use for 7–14 days and tested negative on the naloxone challenge test.

Exclusion criteria

Exclusion criteria: (1) known or suspected allergic or serious adverse reactions to naltrexone hydrochloride and its excipients; (2) women who are pregnant, lactating, or of childbearing age who plan to become pregnant during the study period; (3) significant abnormal liver function (e.g., AST or ALT > 3 times the upper limit of normal) or liver failure (including but not limited to: Ascites, prolonged prothrombin time, international normalized ratio (INR) >=1.7, esophageal varices disease, or the results of hepatobiliary B-ultrasound had a greater impact on the judgment of the efficacy and safety of the study drugs. (4) patients with clinically uncontrolled active infectious diseases, such as active hepatitis B [hepatitis B surface antigen (HBsAg) positive, and hepatitis B virus (HBV) DNA copy number > 1000 IU/ml], active hepatitis C [hepatitis C virus antibody positive, And hepatitis C virus (HCV) -RNA positive]; (5) clinical or laboratory evidence of human immunodeficiency virus (HIV) or syphilis infection; (6) The participant has any severe/uncontrollable systemic or mental illness (including suicide risk/severe depression) or other serious medical conditions that the investigator considers would prevent the provision of informed consent, make the study participation unsafe, or affect the study results; (7) patients using opioid analgesics; (8) patients currently receiving opioid replacement therapy; (9) patients with thrombocytopenia or any coagulation disorders such as hemophilia and severe liver failure; (10) diabetic patients with severe complications; (11) patients with surgical treatment plan during treatment; (12) patients with severe scar constitution and highly allergic; (13) skin infection at the implantation site or systemic skin disease, which could affect the efficacy and safety evaluation of the study drug; (14) are participating in a study drug or device, or have used a study drug or device within 30 days before dose; (15) other conditions considered by the investigator to be inappropriate for participating in the study.

Design outcomes

Primary

MeasureTime frame
To evaluate the relapse rate of opioids in patients at 24 weeks;To evaluate the incidence and severity of adverse events;

Secondary

MeasureTime frame
Evaluate the proportion of patients with negative urine drug tests for opioids at 12 weeks;Evaluate the proportion of patients with negative urine drug tests for opioids at 20 weeks;Evaluate the proportion of days with no opioid use;Evaluate the change in psychological craving scores;

Countries

China

Contacts

Public ContactHao Wei

The Second Xiangya Hospital, Central South University

weihao57@163.com+86 731 8529 2156

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Jun 11, 2026