NCT06308393

Brief Summary

Randomized, double-blind, placebo-controlled study of RSS0393 ointment in healthy and psoriatic subjects

Trial Health

55
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
98

participants targeted

Target at P75+ for phase_1 healthy

Timeline
Completed

Started Mar 2024

Longer than P75 for phase_1 healthy

Geographic Reach
1 country

2 active sites

Status
active not recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

February 5, 2024

Completed
25 days until next milestone

Study Start

First participant enrolled

March 1, 2024

Completed
12 days until next milestone

First Posted

Study publicly available on registry

March 13, 2024

Completed
1.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2025

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2025

Completed
Last Updated

May 2, 2025

Status Verified

April 1, 2025

Enrollment Period

1.8 years

First QC Date

February 5, 2024

Last Update Submit

April 29, 2025

Conditions

Outcome Measures

Primary Outcomes (6)

  • The percent of Local skin tolerance was assessed as moderate or higher(Single dose in healthy subjects)

    0.5, 2, 4, 12 post -dose day 1, day 2, day 3, day 5, and day 8

  • The percent of Local skin tolerance was assessed as moderate or higher (Multiple dose in healthy subjects)

    0.5, 2, 4, 12 post-dose day 1, 0.5post-dose on day2、day3、day4、day5、day6, 0.5, 2, 4, 12 post-dose day7, day8, day9, day11, day14

  • Measurement of blood examination(Multiple dose in patients )

    Day 1, day 28, day 42 post-dose

  • Measurement of urine examination(Multiple dose in patients )

    Day 1, day 28, day 42 post-dose

  • Measurement of Blood Chemistry examination(Multiple dose in patients )

    Day 1, day 28, day 42 post-dose

  • Measurement of coagulation function examination(Multiple dose in patients )

    Day 1, day 28, day 42 post-dose

Secondary Outcomes (23)

  • AUC0-t (Single dose in healthy subjects)

    pre-dose,1, 2 , 4, 8, 12 , 24, 48, 96, 168 post-dose

  • AUC0-∞(Single dose in healthy subjects)

    pre-dose, 1, 2 , 4, 8, 12 , 24, 48, 96, 168 post-dose

  • Tmax(Single dose in healthy subjects)

    pre-dose, 1, 2 , 4, 8, 12 , 24, 48, 96, 168 post-dose

  • Cmax(Single dose in healthy subjects)

    pre-dose, 1, 2 , 4, 8, 12 , 24, 48, 96, 168 post-dose

  • t1/2(Single dose in healthy subjects)

    pre-dose, 1, 2 , 4, 8, 12 , 24, 48, 96, 168 post-dose

  • +18 more secondary outcomes

Study Arms (3)

Treatment group 1

EXPERIMENTAL

Single dose in healthy subjects

Drug: RSS0393 ointment;Placebo

Treatment group 2

EXPERIMENTAL

Multiple dose in healthy subjects

Drug: RSS0393 ointment;Placebo

Treatment group 3

EXPERIMENTAL

Multiple dose in patients

Drug: RSS0393 ointment;Placebo

Interventions

RSS0393 ointment;RSS0393 ointment placebo

Treatment group 1Treatment group 2Treatment group 3

Eligibility Criteria

Age18 Years - 55 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • \- Healthy Volunteers:
  • Sign informed consent before the test, fully understand the test content, process and possible adverse reactions, and be able to complete the study according to the requirements of the test plan
  • The age of signing the informed consent must be ≥18 years old and ≤55 years old, male or female
  • Male subjects weighed ≥50 kg, female subjects weighed ≥45 kg, and body mass index (BMI) was in the range of 19.0\~26.0 kg/m2
  • Patients :
  • The age of signing the informed consent must be ≥18 years old and ≤55 years old, male or female;
  • Male subject ≥50 kg, female subject ≥45 kg, body mass index (BMI) in the range of 19.0\~26.0 kg/m2 (including boundary values)
  • At the time of screening and baseline, the clinical diagnosis of psoriasis was at least 6 months
  • During screening, the condition of the subjects was in a stable stage, requiring no new skin lesions, no continuous expansion of original skin lesions, and no obvious features of skin inflammation within 6 months before screening

You may not qualify if:

  • \- Healthy Volunteers:
  • The subject has skin conditions that may affect the evaluation of the administration site
  • Patients with severe infection, severe trauma or major surgical operation within 3 months before screening; Patients who plan to undergo surgery during the trial period and within 2 weeks after the end of the trial;
  • Suspected allergy to the investigational drug product or any component of the investigational drug product
  • Persons who have participated in clinical trials of any drug or medical device within 3 months prior to screening, or who are within 5 half-lives of the drug before screening (if the 5 half-lives exceed 3 months); Participants in clinical trials are defined as those who have given informed consent to clinical trials and have used investigational drugs (including placebo) or investigational medical devices;
  • Those who had a history of smoking in the 3 months prior to screening or those who were positive in the screening period;
  • Alcoholics within 3 months prior to screening or those who test positive for alcohol breath test during screening;
  • Those who have a history of drug abuse, drug dependence or positive drug screening during the screening period;
  • Pregnant or lactating women, pregnancy is defined as the female state from pregnancy to termination of pregnancy and the blood β-HCG test is positive during the screening period;
  • Patients :
  • Subjects had skin conditions other than psoriasis that could affect the evaluation of the study drug administration site
  • Suspected allergy to the investigational drug product or any component of the investigational drug product;
  • Subjects had a history of any active malignancy or malignancy in the 5 years prior to the screening visit, except skin squamous cell carcinoma or basal cell carcinoma, or cervical cancer in situ, which had resolved after treatment
  • Pre-existing or current clinically significant cardiovascular, liver, neurological, respiratory, blood, gastrointestinal, immune, and kidney diseases or a history of psychiatric disorders that may affect study results or affect drug absorption, distribution, metabolism, and excretion or place subjects at undue risk
  • Participants who had a history of depression and/or were clinically deemed to be at risk of suicide during the screening period and at baseline were excluded
  • +6 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

The First Affiliated Hospital of University of Science and Technology of China (USTC).

Hefei, Anhui, 200040, China

Location

Huashan Hospital Affiliated to Fudan University

Shanghai, Shanghai Municipality, 230000, China

Location

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 5, 2024

First Posted

March 13, 2024

Study Start

March 1, 2024

Primary Completion

December 1, 2025

Study Completion

December 1, 2025

Last Updated

May 2, 2025

Record last verified: 2025-04

Locations