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NCT06294301CompletedPhase 1

A Study of Single and Multiple Doses of LP-005 in Healthy Adult Participants

To Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Escalating Single and Multiple Doses of LP-005 in Healthy Volunteers

Source: ClinicalTrials.gov · Last updated 15 Dec 2025

Brief summary (registry, in English)

The purpose of this study is to evaluate safety, tolerability, immunogenicity, pharmacokinetics, pharmacodynamics, and efficacy of LP-005 in healthy volunteers. The study will be conducted in 2 parts: Part 1, the single ascending dose (SAD) is the first in human (FIH) study of LP-005 and Part 2, multiple ascending dose (MAD).

Status (registry)
Completed
Phase (registry)
Phase 1
Study type
Interventional
Enrollment
68 (actual)
First submitted
3 Feb 2024
Start date
23 Nov 2023
Primary completion date
31 Aug 2024
Lead sponsor
Longbio Pharma
NCT number
NCT06294301

What you commit to

  • Study type: Interventional · Phase 1
  • Participants enrolled: 68
  • From 23 Nov 2023 to the primary completion date, 31 Aug 2024
  • 1 site in 1 country
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Contraindications to meningococcal vaccination (previous medical history such as epilepsy or other brain disorders).
  • Presence or suspicion of active viral, bacterial, fungal, or parasitic infection, including herpes, shingles, or cold sores, within 14 days prior to screening.
  • History of unexplained recurrent infections, or use of systemic antibiotics within 90 days prior to dosing.
  • Participation in a clinical trial of any other drug within 3 months prior to screening or within 5 half-lives of other clinical trial drugs (selecting the longer time period).

Other illness

  • Participants who are immunocompromised or have one of the following underlying diseases: anatomic absence of spleen (including sickle cell disease); congenital complement component deficiencies (complement component 3 and complement component 4).
  • Any history of Neisseria gonorrhea, meningitis infection, and Guillain-Barré syndrome.
  • Malignancy or history of malignancy, except non-melanoma skin cancer cured for more than 3 years.
  • Positive HIV test (HIV-Ab), positive hepatitis B virus (HBV) test (HBsAg), positive hepatitis C virus (HCV), positive anti-syphilis helix-specific antibodies.
  • Any condition deemed unsuitable for study participation by the investigator.

Other

  • Women who are pregnant, breastfeeding, or at risk of pregnancy.

Who the study is looking for

  • Healthy males or females aged 18 through 50 years
  • Male subjects with a weight of ≥50 kg, female subjects with a weight of ≥45 kg, and BMI between 19.0 and 26.0 kg/m² (inclusive).
  • Vaccination: Meningococcal Conjugate Vaccine, Serogroups A, C, W, Y (MPV-ACYW) meningococcal conjugate vaccine and Streptococcus pneumoniae vaccine should be given 14 days or more before randomisation.
  • Male subjects and their partners or female subjects must agree to use one or more non-pharmaceutical contraceptive methods (such as total abstinence, condoms, Iuds, partner ligation, etc.) during the trial period and for 6 months after the trial, and do not plan to donate sperm or eggs.
  • The subjects fully understand the purpose, nature, method and possible adverse reactions of the experiment, and voluntarily participate in the experiment and sign the informed consent.
  • The subjects were able to communicate well with the researchers and complete the study according to the protocol.

Age in the registry: 18 years to 50 years · Sex: All · Accepts healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (1)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Shanghai Public Health Clinical Center
Coordinator of this site? Confirm its status
ShanghaiChinaUnknown status

This page is information, not medical advice. Discuss any trial with your doctor.