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Long Term Follow-up Phase III Clinical Trial of TAP-144-SR (3M) in Patients with Spinal and Bulbar Muscular Atrophy (SBMA)

Long Term Follow-up Phase III Clinical Trial of TAP-144-SR (3M) in Patients with Spinal and Bulbar Muscular Atrophy (SBMA) - Long Term Follow-up Phase III Clinical Trial of Leuprorelin acetate in Patients with SBMA (JASMITT)

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000001010
Enrollment
152
Registered
2008-02-01
Start date
2007-07-01
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Spinal and Bulbar Muscular Atrophy (SBMA)

Interventions

TAP-144-SR(3M) 11.25mg subcutaneous injection every 12 weeks

Sponsors

Department of Neurology, Nagoya University School of Medicine
Lead Sponsor
Hokkaido, Tohoku Univ, Jichi Med College, Chiba Univ, Univ of Tokyo, Tokyo Medical and Dental Univ, NHO Sagamitara HP, Niigata Univ, Hamamatsu Med college, Kobe, Tottori, Nagasaki, Kumamoto Univ.
Collaborator

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: 1) Patients who finished double-blind placebo-controlled phase III clinical trial of TAP-144-SR (3M) in patients with spinal and bulbar muscular atrophy (SBMA). 2) Patients who have no desire to father a child. 3) Patients with written informed consent. 4) Patients who are capable of ambulatory hospital visits.

Exclusion criteria

Exclusion criteria: 1) Patients who have met the termination criteria for the double-blind placebo-controlled phase III clinical trial. 2) Patients who have taken LH-RH agonists, testosterone drugs, 5-alpha-reductase inhibitors, anti-androgen drugs estrogen drugs or unapproved drugs after the recruitment of the double-blind placebo-controlled phase III clinical trial 3) Patients who have undergone operations (eg. orchiectomy), which reduce serum testosterone levels. 4) Patients who are unable to undergo videofluorography. 5) Patients who are diagnosed being depressed by M.I.N.I. Japanese version 5.0.0 major depression episode. 6) Patients who have severe complications. 7) Patients with past medical history of allergy to trial drugs in double-blind placebo-controlled phase III clinical trial. 8) Patients who are not appropriate to participate to the trial.

Design outcomes

Primary

MeasureTime frame
Pharyngeal barium residue (%) in videofluorography

Secondary

MeasureTime frame
Clinical scores (ALSFRS-R, QMG Score, 6-minute walk) QOL (ALSAQ-5) serum creatine kinase (CK)

Countries

Japan

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026