NCT03342443

Brief Summary

Purpose: This randomized, double-blind, placebo-controlled clinical trial aims to evaluate the therapeutic effects of thalidomide in radiotherapy-related cognitive impairment. Further study details as provided by Sun Yat-sen Memorial Hospital, Sun Yat-sen University / Yameitang. Primary outcome measure: cognitive improvement, which is determined by the difference value of ADAS-cog score before and after the treatment of memantine.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
240

participants targeted

Target at P75+ for phase_2

Timeline
Completed

Started Dec 2017

Longer than P75 for phase_2

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

May 5, 2017

Completed
7 months until next milestone

First Posted

Study publicly available on registry

November 17, 2017

Completed
19 days until next milestone

Study Start

First participant enrolled

December 6, 2017

Completed
6.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 1, 2024

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2024

Completed
Last Updated

April 12, 2019

Status Verified

April 1, 2019

Enrollment Period

6.8 years

First QC Date

May 5, 2017

Last Update Submit

April 11, 2019

Conditions

Keywords

memantineradiotherapy-related cognitive impairment

Outcome Measures

Primary Outcomes (1)

  • cognitive improvement

    Cognitive improvement is determined by the difference value of ADAS-cog score before and after the treatment of memantine.

    Baseline to Week 24

Secondary Outcomes (5)

  • improvement of global condition

    Baseline to Week 24

  • improvement of activities of daily living

    Baseline to Week 24

  • improvement of activities of daily living

    Baseline to Week 24

  • improvement of mental statement

    Baseline to Week 24

  • improvement of psychological statement, including sleep disorder, mood disorder, etc.

    Baseline to Week 24

Study Arms (2)

memantine

EXPERIMENTAL

Patients receive memantine with a dosage of 5 microgram at 8 am daily for one week (Week 1), then 5 microgram at 8 am and 5 microgram at 5 pm for one week (Week 2), then 10 microgram at 8 am and 5 microgram at 5 pm for one week (Week 3), then 10 microgram at 8 am and 10 microgram at 5 pm for 21 weeks (Week 4-24), in the absence of unacceptable toxicity or severe deterioration.

Drug: Memantine

placebo

PLACEBO COMPARATOR

Patients receive placebo with a dosage of one halfpill at 8 am daily for one week (Week 1), then one halfpillat 8 am andone half pill at 5 pm for one week (Week 2), then one pillat 8 am and one half pill at 5 pm for one week (Week 3), then one pill at 8 am and one pill at 5 pm for 21 weeks (Week 4-24), in the absence of unacceptable toxicity or severe deterioration.

Drug: Placebo

Interventions

Patients receive memantine with a dosage of 5 microgram at 8 am daily for one week (Week 1), then 5 microgram at 8 am and 5 microgram at 5 pm for one week (Week 2), then 10 microgram at 8 am and 5 microgram at 5 pm for one week (Week 3), then 10 microgram at 8 am and 10 microgram at 5 pm for 21 weeks (Week 4-24), in the absence of unacceptable toxicity or severe deterioration.

Also known as: Arm I
memantine

Patients receive placebo with a dosage of one halfpill at 8 am daily for one week (Week 1), then one halfpillat 8 am andone half pill at 5 pm for one week (Week 2), then one pillat 8 am and one half pill at 5 pm for one week (Week 3), then one pill at 8 am and one pill at 5 pm for 21 weeks (Week 4-24), in the absence of unacceptable toxicity or severe deterioration.

Also known as: Arm II
placebo

Eligibility Criteria

Age35 Years - 60 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Patients must have received radiation therapy due to head and neck cancer.
  • Prior irradiation is ≥1.5 yearsand≤ 6 years.
  • Age\>/= 35 years but age\</=60.
  • Estimated life expectancy must be greater than 12 months.
  • Cognitive impairment exists for more than 4 weeks, withMMSE≤26, or MoCA≤25.
  • Routine laboratory studies with bilirubin \</=1.0 \* upper limits of normal (ULN), aspartate aminotransferase (AST or SGOT) or alanine aminotransferase (ALT)\< 1.0 \* ULN, creatinine\<1.0 \* ULN, white-cell count \>/= 4,000 per cubic millimeter; neutrophils count \>/=1500 per cubic millimeter, platelets \>/= 100,000 per cubic millimeter; Hb\>/=110 gram per millilitres. PT, APTT, INR in a normal range.
  • Constant caregivers who well understand and have willingness to sign a written informed consent document.

You may not qualify if:

  • evidence of tumor metastasis, recurrence, or invasion;
  • evidence of very high intracranial pressure that suggests brain hernia and need surgery;
  • previous treatment with memantine or other medications for cognitive impairment;
  • history of mental disordersor cognitive impairment before radiotherapy;
  • history of stroke, or high risk of vascular dementia;
  • family history ofalzheimer's disease, pick's disease, etc.;
  • history of severe head trauma;
  • clinically significant active disease, e.g. New York Heart Association Grade II or greater congestive heart failure, serious and inadequately controlled cardiac arrhythmia, significant vascular disease, severe infection;
  • history of allergy to relevant drugs;
  • pregnancy, lactation, or fertility program in the following 12 months;
  • participation in other experimental studies.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Sun Yat-sen Memorial Hospital, Sun Yat-sen University

Guangzhou, Guangdong, 510120, China

RECRUITING

MeSH Terms

Conditions

Cognitive Dysfunction

Interventions

Memantine

Condition Hierarchy (Ancestors)

Cognition DisordersNeurocognitive DisordersMental Disorders

Intervention Hierarchy (Ancestors)

AmantadineAdamantaneBridged-Ring CompoundsHydrocarbons, CyclicHydrocarbonsOrganic Chemicals

Central Study Contacts

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

May 5, 2017

First Posted

November 17, 2017

Study Start

December 6, 2017

Primary Completion

October 1, 2024

Study Completion

December 1, 2024

Last Updated

April 12, 2019

Record last verified: 2019-04

Locations