Recruiting
Phase 2

Progerinin

Sponsor:

PRG Science & Technology Co., Ltd.

Code:

NCT05847179

Conditions

Werner Syndrome

Eligibility Criteria

Sex: All

Age: 18+

Healthy Volunteers: Not accepted

Interventions

Progerinin

Study Details

Brief summary:

This is a Phase 2, open-label study to A Phase 2, Open-Label Study to Evaluate the Safety and Tolerability of Progerinin for the Treatment of Bone Mineral Density (BMD) Loss in Subjects with Typical Werner Syndrome.

There will be up to 5 subjects that will receive treatment with Progerinin twice daily for approximately 1 year.

Conditions

Werner Syndrome

Study ID

NCT05847179

Start date

Oct, 2026

Status verified date

Sep, 2026

Completion date

Dec, 2027

Anticipated

Primary completion date

Dec, 2027

Anticipated

Eligibility Criteria

Eligibility Criteria

Sex: All

Age: 18+

Healthy Volunteers: Not accepted

\[Inclusion Criteria\]

1. Subjects must be at least ≥ 18 years of age.
2. Subjects should have a confirmed diagnosis of typical Werner syndrome by genetic analysis.
3. Subjects should be osteopenic (T-score between -1.0 and -2.5) or have confirmed osteoporosis (T-score ≤ -2.5) at screening/baseline. Subjects may continue to receive bone supplements (e.g., bisphosphonates, calcium supplements, Vitamin D supplements, etc.) as appropriate per standard of care throughout the study.
4. Male or non-pregnant, non-lactating female.
5. Subjects screening blood chemistry inclusive of metabolic panel, hematology, and urine analysis results should be acceptable to the investigator.
6. Negative pregnancy test for female subjects as described below. Women of child bearing potential (WOCBP) and Women not of child-bearing potential are eligible to participate. Both women of childbearing potential and women of non-child-bearing potential should use an approved method of birth control and agrees to continue to use this method for the duration of the study and for 90 days after last treatment.

Acceptable methods of contraception include abstinence, female subject/partner's use of hormonal contraceptive (oral, implanted, or injected) in conjunction with a barrier method (WOCBP only), female subject/partner's use of an intrauterine device (IUD), or if the female subject/partner is surgically sterile or two years post-menopausal. All male subjects/partners must agree to use a In addition, subjects may not donate sperm for the duration of the study and for 90 days after last treatment.

Females who are less than two (2) years post-menopausal, those with tubal ligations and those using contraception must have a negative serum pregnancy test at baseline within the one (1) week prior to the first study medication administration. Every six weeks, and at study termination a pregnancy test should be performed, either serum or urine stick test. However, if the urine result is positive, a serum pregnancy test will be performed.
7. Provide signed written informed consent and willingness, ability to comply with study requirements.
8. Subject must have a projected life expectancy of ≥ 12 months in the opinion of the Investigator.

\[Exclusion Criteria\]

1. Subject with clinical signs seen at screening are at the final stage of Werner syndrome progression, and completion of the study is difficult to be assessed, including:

  • Subjects who received continuous or intermittent home oxygen therapy for 6 months before obtaining consent
  • Subjects who received at least 2 hospitalizations for pneumonia during the 12 months prior to obtaining consent
  • Subjects who have at least 10% net weight loss and have not recovered. This includes significant net weight loss over the last six months.
2. Subjects with significant dehydration as judged by the principal investigator.
3. Subjects with pericardial fluid, ascites and pleural effusion.
4. Therapy with investigational drugs within 30 days of beginning study medication.
5. History of prior malignancy, except for adequately treated in situ cancer, basal cell, squamous cell skin cancer, or other cancers (e.g., breast, prostate) for which the subject has been disease-free for at least 3 years.
6. Any serious medical condition, laboratory abnormality, psychiatric illness, or comorbidity that, in the judgment of the Investigator, would make the subject inappropriate for the study.
7. Serious systemic fungal, bacterial, viral, or other infection that is not controlled or requires intravenous (IV) treatment for infection(s).
8. Subjects with known history of having Acquired Immunodeficiency Syndrome (AIDS) or with a history known to be infected with Human Immunodeficiency Virus (HIV).
9. Subjects with a history of serious drug hypersensitivity or allergic reaction such as anaphylaxis or any component of the formulation.
10. Clinically significant bleeding within 2 weeks prior to baseline (e.g., gastrointestinal \[GI\] bleeding, intracranial hemorrhage).
11. Medical or recreational use of marijuana or THC-containing compounds within 3 months of screening visit and for the duration of the trial.
12. Pregnant or lactating women.
13. Major surgery, defined as any surgical procedure that involves general anesthesia and a significant incision (i.e., larger than what is required for placement of central venous access, percutaneous feeding tube, or biopsy), within 28 days prior to baseline or anticipated surgery during the study period.
14. Inability to return for scheduled treatment and assessments.
15. Subjects that require concomitant use of any medications or substances that are strong inhibitors or inducers of CYP2D6 or CYP2C8

Study Design

Enrollment

5 participants

Anticipated

Intervention Model

Single group

Primary purpose

Treatment

Interventions and Outcome Measures

Arms

experimental: Treatment Group

all subjects will receive Progerinin 2400mg (1200mg twice daily) after morning and evening meals for a year

Interventions

Progerinin

This is a Phase 2, open-label study to evaluate the safety and Tolerability of Progerinin for the treatment of BMD Bone Mineral Density (BMD) Loss in Subjects with Typical Werner Syndrome.

. There will be up to 5 subjects that will receive treatment with Progerinin twice daily for approximately 1 year. This study will have three phases: Screening Phase, Treatment Phase, and Follow-Up Phase.

Primary outcome measure

  • Incidence and severity of Treatment-Emergent Adverse Events (TEAEs) [ Time Frame: Baseline to Week 56 (including 4-week follow-up) ]
  • Incidence of Treatment-Related Adverse Events [ Time Frame: Baseline to Week 56 (including 4-week follow-up) ]
  • Incidence of Serious Adverse Events (SAEs) [ Time Frame: Baseline to Week 56 (including 4-week follow-up) ]
  • Incidence of TEAEs and SAEs leading to discontinuation of study medication [ Time Frame: Baseline to Week 56 (including 4-week follow-up) ]
  • Changes in Blood Chemistry from Baseline [ Time Frame: Baseline to Week 56 (including 4-week follow-up) ]
  • Changes in Hematology from Baseline [ Time Frame: Baseline to Week 56 (including 4-week follow-up) ]
  • Changes in Urinalysis Results from Baseline [ Time Frame: Baseline to Week 56 (including 4-week follow-up) ]
  • Changes in Height (cm) from Baseline [ Time Frame: Baseline to Week 56 (including 4-week follow-up) ]
  • Changes in Weight (kg) from baseline [ Time Frame: Baseline to Week 56 (including 4-week follow-up) ]
  • Changes in Temperature (°C) from baseline [ Time Frame: Baseline to Week 56 (including 4-week follow-up) ]
  • Changes in Pulse Rate (beats per minute) from baseline [ Time Frame: Baseline to Week 56 (including 4-week follow-up) ]
  • Changes in Respiratory Rate (breaths per minute) from baseline [ Time Frame: Baseline to Week 56 (including 4-week follow-up) ]
  • Changes in Systolic Blood pressure (mmHg) from baseline [ Time Frame: Baseline to Week 56 (including 4-week follow-up) ]
  • Changes in Diastolic Blood pressure (mmHg) from baseline [ Time Frame: Baseline to Week 56 (including 4-week follow-up) ]
  • Changes in Physical Examination findings from baseline [ Time Frame: Baseline to Week 56 (including 4-week follow-up) ]
  • Change in ECG Ventricular Rate (beats per minute) from baseline [ Time Frame: Baseline to Week 56 (including 4-week follow-up) ]
  • Change in ECG PR interval (msec) from baseline [ Time Frame: Baseline to Week 56 (including 4-week follow-up) ]
  • Change in ECG QRS interval (msec) from baseline [ Time Frame: Baseline to Week 56 (including 4-week follow-up) ]
  • Change in ECG QT interval (msec) from baseline [ Time Frame: Baseline to Week 56 (including 4-week follow-up) ]
  • Change in ECG QTc interval (msec) from baseline [ Time Frame: Baseline to Week 56 (including 4-week follow-up) ]

Central Contacts and Locations

Central contacts

Locations

University of Michigan

Recruiting

Ann Arbor, Michigan, United States, 48109

More Information

Sponsor

PRG Science & Technology Co., Ltd.

Last update posted

Oct 5, 2026

Last verified

Sep, 2026

Trial information was received from ClinicalTrials.gov and was last updated on 2026-10-06. This information was provided to ClinicalTrials.gov by PRG Science & Technology Co., Ltd. on 2026-10-05. Recruitment status is synced daily from ClinicalTrials.gov and may not reflect the sponsor's current status. Confirm during your call.