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To verify the efficacy and safety of the monoclonal antibody HMI-115 targeting the prolactin receptor in improving hyperprolactinemia induced by antipsychotic drugs

To verify the efficacy and safety of the monoclonal antibody HMI-115 targeting the prolactin receptor in improving hyperprolactinemia induced by antipsychotic drugs

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600122688
Enrollment
Unknown
Registered
2026-04-16
Start date
2026-04-16
Completion date
Unknown
Last updated
2026-04-20

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

Conditions

Antipsychotic drug-induced hyperprolactinemia

Interventions

Experimental group:Administer 240mg of HMI-115 by subcutaneous injection
Control group:Administering a placebo subcutaneous injection

Sponsors

Beijing An Ding Hospital, Capital Medical University
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 40 Years

Inclusion criteria

Inclusion criteria: 1.Women aged 18-40 (including both 18 and 40 years old); 2.Serum prolactin level higher than 87.6ng/mL; 3.At least one obvious symptom of hyperprolactinemia appears, including infrequent menstruation (1 or 2 menstrual periods in the past 3 months or<7 menstrual periods in the past 12 months, or menstrual cycle length of 36-89 days), amenorrhea (cessation of menstruation for 3 months in those with normal menstrual frequency or 6 months in those with previous infrequent menstruation), and galactorrhea. 4.Meets the diagnostic criteria for schizophrenia according to the international classification standard ICD-10 F20. 5.The patient is treated with antipsychotic drugs (including risperidone, paliperidone, amisulpride, etc.), and their mental state is stable. The patient has been receiving stable treatment for at least 2 months, and their positive and negative symptom scale (PANSS) scores are less than 70. The types of antipsychotic drugs remain unchanged

Exclusion criteria

Exclusion criteria: 1.Any other major mental illness; 2.Diseases of hypothalamus and pituitary gland; 3.Galactorrhea caused by breast lesions; 4.Menstrual thinning or amenorrhea caused by uterine or ovarian lesions; 5.I am currently taking medication that affects my menstrual cycle, such as metformin, short acting contraceptives, Wujibaifeng pills, valproic acid, etc; 6.Participated in other clinical trials within the first 3 months of screening; 7.Female subjects diagnosed with perimenopause; 8.Pregnant, lactating women or women with pregnancy plans during the participation of this trial; 9.Severe concurrent physical illnesses, organic brain disorders, history of substance and alcohol abuse, and intellectual disability; 10.Currently taking medication that affects prolactin, such as aripiprazole

Design outcomes

Primary

MeasureTime frame
Menstrual improvement rate;

Secondary

MeasureTime frame
Hamilton Anxiety Scale (HAMA) score;Calgary Schizophrenia Depression Scale (CDSS) score;Change in Columbia-Suicide Severity Rating Scale (C-SSRS) score;Incidence of Adverse Events;Change in Extrapyramidal Symptoms Scores;Quality of Life Rating Scale (SF-12) Score;Change in Arizona Sexual Experience Scale (ASEX) total score;Galactorrhea improvement rate;

Countries

China

Contacts

Public ContactGang Wang

Beijing Anding Hospital Affiliated to Capital Medical University

gangwangdoc@gmail.com+86 10 5930 3005

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Apr 23, 2026