UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000032378
Receipt number R000036906
Scientific Title Randomized, placebo-controlled, double-blind comparative study of N-Acetylcysteine for the treatment with intervertebral disc degeneration.
Date of disclosure of the study information 2018/04/25
Last modified on 2023/05/01 21:11:24

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Basic information

Public title

Randomized, placebo-controlled, double-blind comparative study of N-Acetylcysteine for the treatment with intervertebral disc degeneration.

Acronym

Comparative study of N-Acetylcysteine for the treatment with intervertebral disc degeneration.

Scientific Title

Randomized, placebo-controlled, double-blind comparative study of N-Acetylcysteine for the treatment with intervertebral disc degeneration.

Scientific Title:Acronym

Comparative study of N-Acetylcysteine for the treatment with intervertebral disc degeneration.

Region

Japan


Condition

Condition

Lumbar intervertebral disc degeneration associated with low back pain (containing lumbar disc herniation)

Classification by specialty

Orthopedics

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To clarify whether administration of NAC could prevent further intervertebral disc degeneration associated with low back pain.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Quantitative assessment of disc degeneration using Q-space imaging.

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

3

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

Take NAC (300 mg / tablet) 2 tablets plus take 1 placebo tablet, total 3 tablets once 3 times a day for 24 weeks

Interventions/Control_2

Take NAC (300 mg / tablet) 3 tablets once 3 times a day for 24 weeks

Interventions/Control_3

Take 3 placebo tablets once 3 times a day for 24 weeks

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

65 years-old >

Gender

Male and Female

Key inclusion criteria

All participants who agree with enrollment in this study and meet all the criteria as bellows;
1) Lumbar intervertebral disc degeneration (Phirrmann grade : 3, 4) or lumbar disc herniation in whom VAS score is over 5.0 point.
2) Regardless of patients with hospitalized or outpatinet.
3) Regardless of disease with primary or recurrence.
4) Agreement to stop anti-inflammatory analgesic except for an approved medicine.

Key exclusion criteria

1) Severe combined complications of heart, liver and blood diseases.
2) Patients with surgical treatment that attending physician consider having impact on the results.
3) Three times higher of AST/ALT before administration of NAC
4) Currently taking NAC or supplement containing NAC.
5) Allergy for NAC
6) Women who are during pregnancy, under lactation, have a possibility to pregnancy, and who hope pregnancy.
7) Previous spine surgery
8) Incompetent patients judged by attending doctor

Target sample size

60


Research contact person

Name of lead principal investigator

1st name Nakamura
Middle name
Last name Masaya

Organization

Keio University School of Medicine

Division name

Department of Orthopaedic Surgery

Zip code

160-8582

Address

35 Shinanomachi, Shinjyuku-ku

TEL

03-3353-1211

Email

masa@keio.jp


Public contact

Name of contact person

1st name Watanabe
Middle name
Last name Kota

Organization

Keio University School of Medicine

Division name

Department of Orthopaedic Surgery

Zip code

160-8582

Address

35 Shinanomachi, Shinjyuku-ku

TEL

03-3353-1211

Homepage URL


Email

watakota@gmail.com


Sponsor or person

Institute

Keio University School of Medicine

Institute

Department

Personal name



Funding Source

Organization

Self founding

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Keio University School of Medicine

Address

35 Shinanomachi, Shinjyuku-ku

Tel

03-3353-1211

Email

iwatakuji@gmail.com


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2018 Year 04 Month 25 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

60

Results


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

No longer recruiting

Date of protocol fixation

2018 Year 02 Month 16 Day

Date of IRB

2019 Year 02 Month 08 Day

Anticipated trial start date

2020 Year 06 Month 01 Day

Last follow-up date

2024 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2018 Year 04 Month 25 Day

Last modified on

2023 Year 05 Month 01 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000036906


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name