Clinical trial Recruiting at 1 site Phase 2 Interventional Ages 40 to 80

Personalized treatment for thymus regeneration and immune system restoration

Official title: Thymus Regeneration, Immunorestoration, and Insulin Mitigation Extension Trial

Run by Intervene Immune, Inc. · NCT04375657 · Data updated 2026-11-12

This study is testing a personalized treatment plan using a mix of medications to see if it can help older adults regenerate their thymus and improve their immune system health.

Quick facts

PhasePhase 2
Study typeInterventional
Ages40 Years to 80 Years
SexAll
Enrollment85 (estimated)
SponsorIntervene Immune, Inc.
Industry-sponsored
Locations1 site (Torrance, California)
StatusRecruiting
StartedNovember 23, 2020
Main results expectedDecember 2025
Study endsDecember 2025
Registry record updatedMay 7, 2025
Trial IDNCT04375657 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are men and women aged 40 to 80 who are able to commit to a 12-month study and provide informed consent.

Probably not a fit

Patients with malignancies, significant cardiovascular disease, or those who are premenopausal or on hormone replacement therapy 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

The TRIIM-X trial is an expanded pilot clinical study designed to evaluate a personalized combination treatment regimen aimed at regenerating the thymus, a crucial component of the immune system that deteriorates with age. This study will assess biomarkers related to epigenetic aging and immunosenescence, while also monitoring established clinical measures and risk factors for various age-related diseases. Participants will receive a combination of recombinant human growth hormone, metformin, and DHEA, tailored to their individual needs, similar to the previous TRIIM trial that showed promising results. The goal is to prevent or reverse aspects of aging and improve overall health outcomes in older adults.

Why it matters

Potential benefit: If successful, this treatment could significantly enhance immune function and overall health in aging individuals, potentially reducing the risk of age-related diseases.

How similar studies have gone: Previous studies, such as the earlier TRIIM trial at Stanford, have shown strong statistical significance with similar approaches, indicating potential for success.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Male or female volunteers
* Aged 40 to 80 years, inclusive
* All ethnicities
* Able to participate in 12-month study
* Able to provide informed consent

Exclusion Criteria:

* Malignancies or high risk of malignancy, as suggested by familial risk or personal medical history
* Premenopausal women
* Postmenopausal women on HRT
* IGF-1 levels \< 90 ng/ml or \>300 ng/ml
* Diagnosed or suspected growth hormone resistance
* Known growth hormone deficiency based on stimulation testing
* Pre-existing carpal tunnel syndrome
* Significant arthritis/arthralgia/joint swelling
* Bradycardia (\<55 bpm), significant hypertension (systolic \>160 mmHg, or diastolic \>90 mmHg) despite treatment, serious angina, or other serious cardiovascular disease or cardiovascular disease risk factors
* Excessive skin growths (e.g., flat warts) without cryosurgical options
* BMI of 35 or greater
* PSA level above the age-adjusted normal range for reasons other than confirmed prostatitis
* Testosterone levels above the upper limit of normal
* Levels of C-reactive protein (CRP) above the upper limit of normal
* Type 1 or pre-existing Type 2 diabetes
* Uncorrected hypothyroidism
* HIV infection
* Allergy or other sensitivity to study medications
* Other unstable medical conditions
* Use of GH within the last 5 years
* Participation in a clinical research trial within 30 days prior to enrollment
* Use of chronic glucocorticoid therapy
* Unwilling to discontinue androgen supplementation if testosterone levels are above the upper limit of normal
* Ongoing treatment with carbonic anhydrase inhibitors
* Ketogenic diet, calorie-restricted diet, or prolonged fasting, without willingness to discontinue these diets or adhere to an alternative diet during the study
* Alcoholism or drug addiction
* Smoking or unwillingness to quit smoking
* Cognitive impairment, illiteracy, inability or unwillingness to give voluntary informed consent

Where it's running

  • Intervene Immune
    Torrance, California, United States
    Recruiting

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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.