UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000024507
Receipt number R000028200
Scientific Title Drug interaction between methotrexate and salazosulfapyridine in Japanese patients with rheumatoid arthritis
Date of disclosure of the study information 2016/10/21
Last modified on 2016/10/20 16:32:44

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Basic information

Public title

Drug interaction between methotrexate and salazosulfapyridine in Japanese patients with rheumatoid arthritis

Acronym

Drug interaction between methotrexate and salazosulfapyridine in Japanese patients with rheumatoid arthritis

Scientific Title

Drug interaction between methotrexate and salazosulfapyridine in Japanese patients with rheumatoid arthritis

Scientific Title:Acronym

Drug interaction between methotrexate and salazosulfapyridine in Japanese patients with rheumatoid arthritis

Region

Japan


Condition

Condition

rheumatoid arthritis

Classification by specialty

Clinical immunology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

This study was designed to examine the interaction between MTX and SASP from the viewpoint of serum MTX concentration in Japanese RA patients, who were receiving combination therapy with relatively low doses of MTX and SASP.

Basic objectives2

Pharmacokinetics

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

change of serum MTX concentration

Key secondary outcomes

simplified disease activity index (SDAI) and disease activity score-C reactive protein (DAS28-CRP),levels of matrix metalloproteinase-3 (MMP-3),inflammatory cytokines,questionnaire


Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Self control

Stratification

NO

Dynamic allocation

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

NO

Concealment

No need to know


Intervention

No. of arms

1

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

In these patients, who had received SASP/MTX combination therapy for at least 12 weeks, SASP was discontinued, and the patients received MTX monotherapy for the next 24 weeks.

Interventions/Control_2


Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

20 years-old <=

Age-upper limit

100 years-old >

Gender

Male and Female

Key inclusion criteria

The main inclusion criteria were age 20 years and over, treatment with SASP/MTX combination therapy for at least 12 weeks before entry into this study, and low disease activity

Key exclusion criteria

patients who showed poor compliance

Target sample size

10


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Morihiro Okada

Organization

Japan Community Healthcare Organization Kanazawa Hospital

Division name

Department of Pharmacy

Zip code


Address

Ha-15 Oki-machi, Kanazawa 920-8610, Japan

TEL

+81-76-252-2200

Email

okada-knz@umin.ac.jp


Public contact

Name of contact person

1st name
Middle name
Last name Morihiro Okada

Organization

Japan Community Healthcare Organization Kanazawa Hospital

Division name

Department of Pharmacy

Zip code


Address

Ha-15 Oki-machi, Kanazawa 920-8610, Japan

TEL

+81-76-252-2200

Homepage URL


Email

okada-knz@umin.ac.jp


Sponsor or person

Institute

Japan Community Healthcare Organization

Institute

Department

Personal name



Funding Source

Organization

There are no funding sources for this study.

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization


Address


Tel


Email



Secondary IDs

Secondary IDs

YES

Study ID_1

1228-2

Org. issuing International ID_1

University Hospital, Kanazawa University

Study ID_2

2012-002

Org. issuing International ID_2

Social Welfare Organization Saiseikai Kanazawa Hospital

IND to MHLW



Institutions

Institutions

金沢大学病院(石川県)、済生会金沢病院(石川県)


Other administrative information

Date of disclosure of the study information

2016 Year 10 Month 21 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results

The MTX concentration increased about 2-fold upon discontinuation of SASP, with no apparent change of efficacy or side effects.

Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2011 Year 03 Month 08 Day

Date of IRB


Anticipated trial start date

2011 Year 05 Month 12 Day

Last follow-up date

2015 Year 02 Month 13 Day

Date of closure to data entry

2015 Year 02 Month 13 Day

Date trial data considered complete

2015 Year 02 Month 13 Day

Date analysis concluded

2015 Year 02 Month 13 Day


Other

Other related information



Management information

Registered date

2016 Year 10 Month 20 Day

Last modified on

2016 Year 10 Month 20 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000028200


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name