Status:

RECRUITING

Phase I Study of Single/Multiple Ascending Doses of JKN2501 for Injection in Chinese Healthy Volunteers

Lead Sponsor:

Joincare Pharmaceutical Group Industry Co., Ltd

Conditions:

Bacterial Infections

Urinary Tract Infections

Eligibility:

All Genders

18-45 years

Phase:

PHASE1

Brief Summary

This Phase I study is a randomized, double-blind, placebo-controlled, dose-escalation trial conducted at a single center. It consists of two parts: Part 1 (SAD): Evaluates the safety, tolerability, a...

Eligibility Criteria

Inclusion

  • Voluntary informed consent; able to comply with study requirements and communicate effectively.
  • Healthy subjects aged 18-45 years (inclusive) at screening.
  • BMI 19.0-26.0 kg/m² (inclusive); weight ≥50 kg (male) or ≥45 kg (female).
  • Vital signs, physical examination, ECG, laboratory tests, chest X-ray, and abdominal ultrasound results judged as normal or clinically insignificant by the investigator.
  • Agreement to use effective non-pharmaceutical contraception from signing ICF until 90 days after last dose; no sperm/egg donation plans during this period.

Exclusion

  • Pregnant/lactating women; positive pregnancy test; unprotected sex within 2 weeks prior to dosing.
  • Investigator-determined history or presence of clinically significant disorder that may affect safety or trial participation.
  • Use of drugs known to inhibit/induce hepatic metabolism within 4 weeks, or any medication (prescription, OTC, herbal, vitamins) within 2 weeks prior to dosing; planned use during the trial.
  • Major surgery within 3 months prior to screening or planned during trial; history of surgery potentially affecting results.
  • History of febrile illness or active infection within 2 weeks prior to screening.
  • Blood loss/donation \>400 mL within 3 months prior to screening, or received blood products; plans to donate blood during trial or within 30 days after last dose.
  • History of significant food/drug allergy, or allergy to JKN2501/excipients.
  • Excessive alcohol consumption; inability to abstain from alcohol from 48h pre-dose until end of study.
  • Smoking ≥5 cigarettes/day within 3 months prior to screening; inability to abstain from smoking from 48h pre-dose until end of study.
  • History of drug abuse; positive urine drug screen at baseline (Day -1).
  • Positive alcohol breath test at baseline (Day -1).
  • Participation in another interventional clinical trial within 3 months prior to screening or planned during this trial.
  • Estimated glomerular filtration rate (eGFR) \<90 mL/min.
  • Serum total calcium below lower limit of normal at screening.
  • Investigator-determined unsuitable venous access for PK sampling/infusion, or history of adverse symptoms/phobias related to infusion/phlebotomy.
  • Excessive daily intake of tea, coffee, or caffeinated beverages within 3 months prior to screening.
  • Consumption of grapefruit, Seville oranges, caffeine, or xanthine-rich foods/beverages within 48h prior to first dose; inability to abstain during the trial.
  • History of QTc prolongation; or investigator-determined clinically significant ECG abnormalities at screening/baseline.
  • Any other condition deemed by the investigator to make the subject unsuitable for participation.

Key Trial Info

Start Date :

August 22 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

March 19 2026

Estimated Enrollment :

66 Patients enrolled

Trial Details

Trial ID

NCT07207291

Start Date

August 22 2025

End Date

March 19 2026

Last Update

October 3 2025

Active Locations (1)

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Page 1 of 1 (1 locations)

1

The Third hospital of Changsha

Changsha, Hunan, China, 410035