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Single-arm, open-label pilot intervention study to investigate an effect of oral 5-aminolevulinic acid plus sodium ferrous citrate on glucocorticoid reduction in patients with adult-onset Still's disease: Study protocol for clinical trial (SPIRIT Compliant)

Single-arm, open-label pilot intervention study to investigate an effect of oral 5-aminolevulinic acid plus sodium ferrous citrate on glucocorticoid reduction in patients with adult-onset Still's disease: Study protocol for clinical trial (SPIRIT Compliant)

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs071190042
Enrollment
7
Registered
2020-01-14
Start date
2020-02-12
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

Adult-onset Still's disease

Interventions

Patients with AOSD who continue to receive the same dose of oral prednisolone for at least 8 weeks receive an additional 16 weeks of 5-ALA/SFC. At 4 and 10 weeks after the start of the study, the dose

Sponsors

Kawakami Atsushi
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Patients with 20 years older at the time of obtaining informed consent 2.Hospitalization/Outpatient, Outpatient only 3.Adult onset still's disease patients who met Yamaguchi's criteria (1992) at diagnosis 4.Patients under treatment with oral prednisolone at dose of 5 mg/day or more and 30 mg/day or less 5.Patients who have been treated with the same dose of oral prednisolone for at least 8 weeks prior to the start of administration, and had not received new or changed doses of other immunosuppressive drugs or biologics for at least 8 weeks 6.Patients who give written informed consent after receiving sufficient information

Exclusion criteria

Exclusion criteria: 1.Patients classified as severe according to the AOSD severity classification prepared by the Research Group of the Ministry of Health, Labor and Welfare, Japan 2.Patients who have previously taken 5-ALA/SFC 3.Women who are currently pregnant or will not be compliant with a medically approved contraceptive regimen during the study period and lactating women. Men who will not be compliant with a contraceptive regimen during the study period 4.Patients judged as inappropriate for any other reason by the clinical investigator or clinical trial physician

Design outcomes

Primary

MeasureTime frame
Number of study participants who are able to maintain prednisolone reduction without relapse/ exacerbation after study initiation

Secondary

MeasureTime frame
Clinical signs at 0, 4 weeks, 10 weeks, 16 weeks, and discontinuation (fever, joint symptoms, rash, and enlarged lymph nodes) Abnormalities in laboratory test (WBC, Hb, Plt, CRP, and ESR) based on the Systemic feature score at 0, 4 weeks, 10 weeks, 16 weeks, and termination Systemic feature score at 0, 16 weeks, and discontinuation Changes in physician's VAS at 0, 4 weeks, 10 weeks, 16 weeks, and termination Changes in patients' VAS at 0, 4 weeks, 10 weeks, 16 weeks, and termination Changes in test values (WBC, Hb, Plt, CRP, ESR, ferritin) from the start of administration at 0, 4 weeks, 10 weeks, 16 weeks, and termination

Contacts

Public ContactTomohiro Koga

Nagasaki University Graduate School of Biomedical Sciences

tkoga@nagasaki-u.ac.jp+81-95-819-7262

Outcome results

None listed

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