Specified Drug-Use Survey of Leuprorelin Acetate Injection Kit 11.25 mg "All-Case Investigation: Spinal and Bulbar Muscular Atrophy (SBMA)"
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ClinicalTrials.gov Identifier: NCT03555578 |
Recruitment Status :
Recruiting
First Posted : June 13, 2018
Last Update Posted : January 14, 2022
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Condition or disease | Intervention/treatment |
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Spinal and Bulbar Muscular Atrophy | Drug: Leuprorelin Acetate |
The drug being tested in this survey is called leuprorelin acetate injection kit 11.25 mg. This injection kit is being tested to treat people who have SBMA.
This survey is an observational (non-interventional) study and will look at the long-term safety and efficacy of the leuprorelin acetate injection kit 11.25 mg in the routine clinical setting. The planned number of observed patients will be approximately 300.
This multi-center observational trial will be conducted in Japan.
Study Type : | Observational |
Estimated Enrollment : | 300 participants |
Observational Model: | Cohort |
Time Perspective: | Prospective |
Official Title: | Specified Drug-Use Survey of Leuprorelin Acetate Injection Kit 11.25 mg "All-Case Investigation: Spinal and Bulbar Muscular Atrophy (SBMA)" |
Actual Study Start Date : | November 2, 2017 |
Estimated Primary Completion Date : | August 31, 2025 |
Estimated Study Completion Date : | August 31, 2025 |

Group/Cohort | Intervention/treatment |
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Leuprorelin Acetate 11.25 mg
Leuprorelin Acetate Injection Kit 11.25 mg, every 12 weeks subcutaneously, for up to at most 8 years. Participants received interventions as part of routine medical care.
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Drug: Leuprorelin Acetate
Leuprorelin Acetate Injection Kit
Other Name: Leuplin SR for Injection Kit 11.25 mg |
- Percentage of Participants who had One or More Adverse Drug Reactions [ Time Frame: Up to 1 Year ]Adverse drug reaction refers to adverse events related to administered drug. Percentage of participants who have the adverse drug reactions that occurred between initiation of treatment with the drug and 1 year after the start of treatment with the drug (or 3 months after the last dose of the drug if the treatment was discontinued within the first four doses) will be reported.
- Percentage of Participants who had One or More Serious Adverse Events [ Time Frame: Up to 1 Year ]Percentage of participants who have the serious adverse events that occurred between initiation of treatment with the drug and 1 year after the start of treatment with the drug (or 3 months after the last dose of the drug if the treatment was discontinued within the first four doses) will be reported.
- Percentage of Participants without Death Event [ Time Frame: At final assessment point (up to 8 years) ]Percentage of participants without events of death at final assessment point (up to 8 years from initiation of treatment) will be reported.
- Percentage of Participants without Pneumonia Requiring Hospitalization Event [ Time Frame: At final assessment point (up to 8 years) ]Percentage of participants without events of pneumonia requiring hospitalization at final assessment point (up to 8 years from initiation of treatment) will be reported.
- Percentage of Participants without Composite Events of Death and Pneumonia Requiring Hospitalization [ Time Frame: At final assessment point (up to 8 years) ]Percentage of participants without composite events of death and pneumonia requiring hospitalization at final assessment point (up to 8 years from initiation of treatment) will be reported.
- Percentage of Participants without Dysphagia Events [ Time Frame: At final assessment point (up to 8 years) ]Percentage of participants without events of dysphagia at final assessment point (up to 8 years from initiation of treatment) will be reported.

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Ages Eligible for Study: | Child, Adult, Older Adult |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Sampling Method: | Probability Sample |
Inclusion Criteria:
- All SBMA patients who have been confirmed as receiving the drug
Exclusion Criteria:
- None

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03555578
Contact: Takeda Study Registration Call Center | +1-877-825-3327 | medicalinformation@tpna.com |
Japan | |
Takeda Selected Site | Recruiting |
Tokyo, Japan |
Study Director: | Study Director | Takeda |
Responsible Party: | Takeda |
ClinicalTrials.gov Identifier: | NCT03555578 |
Other Study ID Numbers: |
Leuprorelin-5004 JapicCTI-183981 ( Registry Identifier: JapicCTI ) |
First Posted: | June 13, 2018 Key Record Dates |
Last Update Posted: | January 14, 2022 |
Last Verified: | January 2022 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Muscular Atrophy Bulbo-Spinal Atrophy, X-Linked Atrophy Pathological Conditions, Anatomical Neuromuscular Manifestations Neurologic Manifestations Nervous System Diseases Muscular Atrophy, Spinal Spinal Cord Diseases Central Nervous System Diseases Heredodegenerative Disorders, Nervous System Neurodegenerative Diseases |
Motor Neuron Disease Neuromuscular Diseases Genetic Diseases, X-Linked Genetic Diseases, Inborn Leuprolide Fertility Agents, Female Fertility Agents Reproductive Control Agents Physiological Effects of Drugs Antineoplastic Agents, Hormonal Antineoplastic Agents |