Clinical trial Recruiting at 1 site Phase 1 Interventional Ages 18 to 45

Evaluating SPH9788 Tablets in Healthy Adults

Official title: A Randomized, Double-Blind, Placebo-Controlled, Phase I Study to Evaluate Safety, Tolerability and Pharmacokinetics of Single and Multiple Ascending Doses of SPH9788 Tablet in Chinese Healthy Subjects.

Run by Shanghai Pharmaceuticals Holding Co., Ltd · NCT06839131 · Data updated 2026-11-12

This study is testing the safety of SPH9788 tablets in healthy adults aged 18 to 45 to see if there are any side effects.

Quick facts

PhasePhase 1
Study typeInterventional
Ages18 Years to 45 Years
SexAll
Enrollment94 (estimated)
SponsorShanghai Pharmaceuticals Holding Co., Ltd
Industry-sponsored
Locations1 site (Shanghai)
StatusRecruiting
StartedMarch 2, 2025
Main results expectedDecember 31, 2026
Study endsDecember 31, 2026
Registry record updatedMay 5, 2026
Trial IDNCT06839131 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are healthy adults aged 18 to 45 with a BMI between 18.5 and 28.0 kg/m2.

Probably not a fit

Patients with significant medical histories or conditions that could interfere with trial participation may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical study aims to assess the safety of SPH9788 tablets in healthy male and female participants aged 18 to 45 years. The study will involve administering SPH9788 and a placebo to evaluate any potential side effects or adverse reactions. Participants will be closely monitored throughout the trial to ensure their health and safety. The study is designed to gather important data on the pharmacokinetics of the drug in a controlled environment.

Why it matters

Potential benefit: If successful, this study could provide valuable safety data that may support the future use of SPH9788 in broader populations.

How similar studies have gone: While this study focuses on a specific drug, similar studies evaluating the safety of new medications in healthy subjects have shown success in the past.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Healthy male and female subjects aged from 18 to 45 years;
2. Subject has a Body Mass Index (BMI) between 18.5 and 28.0 kg/m2 at screening and the weight of male subjects is not less than 50 kg, and the weight of female subjects is not less than 45 kg;;
3. Subjects who voluntarily participate and sign informed consent form;
4. Subjects who can communicate well with investigator and comply with the lifestyle restrictions specified in the protocol, and cooperate to complete the trial procedure;
5. Subjects willing to use reliable contraceptive methods throughout the trial and for 6 months after trial completion.

Exclusion Criteria:

1. Medical history (current or past) that in the investigator's judgment may interfere with trial participation;
2. Surgical/medical conditions that may significantly affect drug pharmacokinetics (absorption, distribution, metabolism, excretion) or pose safety risks;
3. Occurrence of protocol-defined exclusionary events within 3 months prior to investigational product administration;
4. Use of any prescription/non-prescription medications (including herbal products) within 2 weeks prior to dosing;
5. Known hypersensitivity to any component of the investigational product or history of severe allergic reactions;
6. Positive serology for hepatitis B surface antigen, hepatitis C antibody, HIV antibody, and syphilis serum reaction;
7. Substance abuse history within 1 year prior to screening or positive urine drug screen;
8. Alcohol abuse history within 1 year or positive alcohol breath test;
9. Smoking ≥5 cigarettes/day on average during 3 months prior to screening;
10. Pregnant or lactating women;
11. Positive pregnancy test before study drug administration, or male and female subjects who refuse to use effective contraceptive methods during and for 6 months post-trial, or who have plans to donate sperm or eggs;
12. Poor compliance or any other condition that in the investigator's opinion renders the subject unsuitable for trial participation.

Where it's running

  • Shanghai Mental Health Center
    Shanghai, China
    Recruiting

Study contacts

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.