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NCT Number: NCT07129759

Phase 3 Long Term Safety Extension Study of LUM-201 in Children With Growth Hormone Deficiency

This is a Multi-national Trial. The Goal of the Trial is to Offer Subjects Who Complete 12 Months in the LUM-201-10 Phase 3 Trial up to an Additional 36 Months of Treatment of LUM-201 While Evaluating Safety and Tolerability of LUM-201.

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Key information

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Parent/caregiver must be willing to provide written informed consent, and the subject must sign the assent, as applicable.
  • Subject must have successfully completed 12 months of participation in the LUM-201 Phase 3 GHD trial, and be eligible for continuation of treatment, pending all other enrollment criteria are met.
  • Subject who is sexually active must use an acceptable form of contraception.
  • Subject must be eligible for the Day 1 visit as confirmed by the Investigator.

Exclusion criteria

  • Subject has a medical or genetic condition that, in the opinion of the Investigator and/or MMs, adds unwarranted risk to use of LUM-201.
  • Pregnancy.
  • Subject has planned or is receiving current long-term treatment with medications known to prolong the QT interval or act as substrates, inducers, or inhibitors of the cytochrome system cytochrome P450 type 3A4 that metabolizes LUM-201 (see Appendix 6 for list of example medications). Subjects receiving shorter-term (two weeks or less) treatment with these medications should be evaluated on case-by-case basis by the Investigator in consultation with the MMs.

Treatment and study plan

LUM-201

Drug

1.6 mg/kg/day, administered orally once daily

Primary outcomes

  1. To evaluate the long-term safety and tolerability of LUM-201

    Time frame: Day 1 - Month 36

    • The number of subjects with at least 1 (serious) treatment-related adverse event (TEAE).
    • The number of subjects with at least 1 suspected unexpected serious adverse reaction.
    • The number of subjects with clinically significant abnormalities related to trial laboratory tests or electrocardiograms (ECGs).
    • The number of subjects with at least 1 adverse event of special interest (AESI).
    • Annual change from baseline in body weight standard deviation score (SDS).
    • Annual change from baseline in body mass index (BMI) SDS.

Secondary outcomes

  1. To evaluate the long-term effect of LUM-201 on growth.

    Time frame: Day 1 - Month 36

    • Annual height velocity.
    • Annual change in height standard deviation score (SDS).
    • Annual change in body mass index (BMI).
    • Annual change in BMI SDS.
    • Annual change in bone age (BA)/chronological age (CA) ratio.
  2. To evaluate the long-term effect of LUM-201 on pharmacodynamic (PD) markers.

    Time frame: Day 1 - Month 36

    • Annual change in insulin-like growth factor (IGF)-1 SDS.
    • Annual change in insulin-like growth binding protein 3 (IGFBP-3) SDS.

Study contacts

Contact information is provided by the study sponsor or research team.

Lumos Pharma

CONTACT

[email protected]

515-598-2921

Sponsors and collaborators

Lead sponsor

Lumos Pharma

Industry

Registry information

Official study title

A Long-term Extension Study to Evaluate the Safety and Tolerability of Daily Oral LUM-201 in Children With Growth Hormone Deficiency (GHD)

Important dates

Study start
2027
Primary completion
2030
Study completion
2030
First posted
Aug 19, 2025
Registry last updated
Jul 8, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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