Breast CancerPhase 3NCT00046891
EGb761 in Maintaining Mental Clarity in Women Receiving Chemotherapy for Newly Diagnosed Breast Cancer
A Phase 3 study testing Ginkgo Biloba in people with Breast Cancer and Neurotoxicity, run by Alliance for Clinical Trials in Oncology at 175 sites in United States.
Trial summary
RATIONALE: Chemotherapy may cause memory loss, attention loss, and other problems that make it difficult for patients to think clearly. EGb761 may help maintain mental clarity in patients undergoing chemotherapy. Read more about this study
- Who is it for?
- Ages 18 years and older, women only
- Conditions the study is for
- Breast Cancer, Neurotoxicity
- What is being tested?
- Ginkgo Biloba
- Type of treatment
- Pill or oral medicine
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 226 participants
- Where
- 175 sitesUnited States
- Study dates
- Dec 2002to Apr 2015
- Phase
- Phase 3
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- Women only
- No healthy volunteers
- Adult, Older adult
DISEASE CHARACTERISTICS:
- Newly diagnosed breast cancer
- Planned standard doses of adjuvant chemotherapy with or without a taxane
PATIENT CHARACTERISTICS:
Age
- 18 and over
Sex
- Female
Menopausal status
- Any status
Performance status
- Eastern Cooperative Oncology Group (ECOG) 0-1
Life expectancy
- At least 6 months
Hematopoietic
- No bleeding diathesis
Hepatic
- serum glutamate oxaloacetate transaminase (SGOT) no greater than 1.5 times upper limit of normal (ULN)
- Alkaline phosphatase no greater than 1.5 times ULN
Renal
- Creatinine no greater than 1.5 times ULN
Cardiovascular
- No arterial vascular disease
Other
- Able to complete questionnaires alone or with assistance
- No diabetes
- No dementia
- No diagnosis of a psychiatric disorder within the past 5 years that would preclude study compliance
- No other significant comorbidity
- No known allergy to ginkgo biloba
- Not pregnant or nursing
- Negative pregnancy test
- Fertile patients must use effective contraception
PRIOR CONCURRENT THERAPY:
Biologic therapy
- No concurrent stem cell transplantation
Chemotherapy
- No concurrent high-dose chemotherapy
Other
- More than 6 months since prior EGb761
- No concurrent antithrombotic therapy (e.g., daily aspirin or anticoagulants)
- Anticoagulants used for central or peripheral line maintenance (i.e., warfarin 1 mg/day or heparin flushes) allowed
- No concurrent dose-intensive regimens
- No concurrent aspirin or aspirin-like medicines (e.g., indomethacin, ibuprofen, or some antihistamines or heparin or warfarin [except as used above])
- No concurrent regimen expected to cause thrombocytopenia
- No concurrent trazodone, monoamine oxidase inhibitors, or thiazide diuretics (e.g., chlorothiazide, hydrochlorothiazide, indapamide, or metolazone)
Trial locations and contacts
175 sites in 1 country.
175 sites in 1 country
United States175 sites
Hickman Cancer Center at Bixby Medical Center
Adrian, Michigan, 49221
Study site
Alexandria, Minnesota, 56308
Morgan Cancer Center at Lehigh Valley Hospital - Cedar Crest
Allentown, Pennsylvania, 18105
McFarland Clinic, PC
Ames, Iowa, 50010
St. Joseph Mercy Cancer Center at St. Joseph Mercy Hospital
Ann Arbor, Michigan, 48106-0995
CCOP - Michigan Cancer Research Consortium
Ann Arbor, Michigan, 48106
Piedmont Hospital
Atlanta, Georgia, 30309
Northside Hospital Cancer Center
Atlanta, Georgia, 30342-1611
Saint Joseph's Hospital of Atlanta
Atlanta, Georgia, 30342-1701
CCOP - Atlanta Regional
Atlanta, Georgia, 30342
MBCCOP - Medical College of Georgia Cancer Center
Augusta, Georgia, 30912
Aurora Presbyterian Hospital
Aurora, Colorado, 80012
Rush-Copley Cancer Care Center
Aurora, Illinois, 60507
WellStar Cobb Hospital
Austell, Georgia, 30106
Ochsner Clinic of Baton Rouge
Baton Rouge, Louisiana, 708169990
MeritCare Clinic - Bemidji
Bemidji, Minnesota, 56601
Study site
Bettendorf, Iowa, 52722
CCOP - Montana Cancer Consortium
Billings, Montana, 59101
Hematology-Oncology Centers of the Northern Rockies - Billings
Billings, Montana, 59101
Northern Rockies Radiation Oncology Center
Billings, Montana, 59101
St. Vincent Healthcare
Billings, Montana, 59101
Deaconess Billings Clinic - Downtown
Billings, Montana, 59107-7000
Boulder Community Hospital
Boulder, Colorado, 80301-9019
Wood County Oncology Center
Bowling Green, Ohio, 43402
Bozeman Deaconess Hospital
Bozeman, Montana, 59715
Brainerd Medical Center
Brainerd, Minnesota, 56401
St. Joseph's Medical Center
Brainerd, Minnesota, 56401
St. James Community Hospital
Butte, Montana, 59701
Graham Hospital
Canton, Illinois, 61520
Memorial Hospital
Carthage, Illinois, 62321
St. Luke's Hospital
Cedar Rapids, Iowa, 52402
Cedar Rapids Oncology Associates
Cedar Rapids, Iowa, 52403
Mercy Regional Cancer Center at Mercy Medical Center
Cedar Rapids, Iowa, 52403
Cancer Center of Kansas, PA - Chanute
Chanute, Kansas, 66720
Penrose Cancer Center at Penrose Hospital
Colorado Springs, Colorado, 80933
Oakwood Cancer Center at Oakwood Hospital and Medical Center
Dearborn, Michigan, 48123-2500
Charles B. Eberhart Cancer Center at DeKalb Medical Center
Decatur, Georgia, 30033
Porter Adventist Hospital
Denver, Colorado, 80210
Presbyterian - St. Luke's Medical Center
Denver, Colorado, 80218
St. Joseph Hospital
Denver, Colorado, 80218
Rose Medical Center
Denver, Colorado, 80220
CCOP - Colorado Cancer Research Program, Incorporated
Denver, Colorado, 80224-2522
Mercy Capitol Hospital
Des Moines, Iowa, 50307
CCOP - Iowa Oncology Research Association
Des Moines, Iowa, 50309
John Stoddard Cancer Center at Iowa Methodist Medical Center
Des Moines, Iowa, 50309
Medical Oncology and Hematology Associates at John Stoddard Cancer Center
Des Moines, Iowa, 50309
Medical Oncology and Hematology Associates at Mercy Cancer Center
Des Moines, Iowa, 50314
Mercy Cancer Center at Mercy Medical Center - Des Moines
Des Moines, Iowa, 50314
John Stoddard Cancer Center at Iowa Lutheran Hospital
Des Moines, Iowa, 50316-2301
Cancer Center of Kansas, PA - Dodge City
Dodge City, Kansas, 67801
CCOP - Duluth
Duluth, Minnesota, 55805
Miller-Dwan Medical Center
Duluth, Minnesota, 55805
St. Mary's - Duluth Clinic Cancer Center
Duluth, Minnesota, 55805
Cancer Center of Kansas, PA - El Dorado
El Dorado, Kansas, 67042
Swedish Medical Center
Englewood, Colorado, 80110
Eureka Community Hospital
Eureka, Illinois, 61530
CCOP - MeritCare Hospital
Fargo, North Dakota, 58122
MeritCare Medical Group
Fargo, North Dakota, 58122
Study site
Fergus Falls, Minnesota, 56537
Blanchard Valley Medical Associates
Findlay, Ohio, 45840
Genesys Hurley Cancer Institute
Flint, Michigan, 48503
Hurley Medical Center
Flint, Michigan, 48503
Fremont Memorial Hospital
Fremont, Ohio, 43420
Galesburg Clinic
Galesburg, Illinois, 61401
Galesburg Cottage Hospital
Galesburg, Illinois, 61401
St. Mary's Regional Cancer Center at St. Mary's Hospital and Medical Center
Grand Junction, Colorado, 81502
Great Falls Clinic
Great Falls, Montana, 59405
Van Elslander Cancer Center at St. John Hospital and Medical Center
Grosse Pointe Woods, Michigan, 48236
Hattiesburg Clinic, PA at Forrest General
Hattiesburg, Mississippi, 39401
Hematology & Oncology Clinic
Hattiesburg, Mississippi, 39402
Mason District Hospital
Havana, Illinois, 62644
St. Peter's Hospital
Helena, Montana, 59601
Hopedale Medical Complex
Hopedale, Illinois, 61747
Terrebonne General Medical Center
Houma, Louisiana, 70360
Foote Hospital
Jackson, Michigan, 49201
Mayo Clinic - Jacksonville
Jacksonville, Florida, 32224
Joliet Oncology-Hematology Associates, Limited - West
Joliet, Illinois, 60435
Glacier Oncology, PLLC
Kalispell, Montana, 59901
Kalispell Medical Oncology
Kalispell, Montana, 59901
Kalispell Regional Medical Center
Kalispell, Montana, 59901
Kenton Oncology, Incorporated
Kenton, Ohio, 43326
Kewanee Hospital
Kewanee, Illinois, 61443
Cancer Center of Kansas, PA - Kingman
Kingman, Kansas, 67068
Franciscan Skemp Healthcare
La Crosse, Wisconsin, 54601
Haematology-Oncology Associates of Ohio and Michigan, PC
Lambertville, Michigan, 48144
Sparrow Regional Cancer Center
Lansing, Michigan, 48909
Gwinnett Medical Center
Lawrenceville, Georgia, 30045
Southwest Medical Center
Liberal, Kansas, 67901
Lima Memorial Hospital
Lima, Ohio, 45804
Cancer Resource Center - Lincoln
Lincoln, Nebraska, 68510
Santa Barbara Hematology Oncology - Lompoc
Lompoc, California, 93438
Sky Ridge Medical Center
Lone Tree, Colorado, 80124
Hope Cancer Care Center at Longmont United Hospital
Longmont, Colorado, 80502
McDonough District Hospital
Macomb, Illinois, 61455
Immanuel St. Joseph's Clinic
Mankato, Minnesota, 56002
Kennestone Cancer Center at Wellstar Kennestone Hospital
Marietta, Georgia, 30060
Mercy Cancer Center at Mercy Medical Center - North Iowa
Mason City, Iowa, 50401
Northwest Ohio Oncology Center
Maumee, Ohio, 43537
St. Luke's Hospital
Maumee, Ohio, 43537
Saint Anthony Memorial Health Centers
Michigan City, Indiana, 46360
Community Medical Center
Missoula, Montana, 59801
Clinic of Dr. Judy L. Schmidt
Missoula, Montana, 59804
Montana Cancer Specialists at Montana Cancer Center
Missoula, Montana, 59807-7877
Montana Cancer Center at St. Patrick Hospital and Health Sciences Center
Missoula, Montana, 59807
Trinity Medical Center - East
Moline, Illinois, 61265
Study site
Moline, Illinois, 61265
Community Cancer Center of Monroe
Monroe, Michigan, 48162
Mercy Memorial Hospital System
Monroe, Michigan, 48162
Chippewa County - Montevideo Hospital
Montevideo, Minnesota, 56265
Ochsner Cancer Institute at Ochsner Clinic Foundation
New Orleans, Louisiana, 70121
Cancer Center of Kansas, PA - Newton
Newton, Kansas, 67114
BroMenn Regional Medical Center
Normal, Illinois, 61761
Community Cancer Center
Normal, Illinois, 61761
CCOP - Missouri Valley Cancer Consortium
Omaha, Nebraska, 68106
Immanuel Medical Center
Omaha, Nebraska, 68122
Alegant Health Cancer Center at Bergan Mercy Medical Center
Omaha, Nebraska, 68124
Creighton University Medical Center
Omaha, Nebraska, 68131-2197
St. Charles Mercy Hospital
Oregon, Ohio, 43616
Toledo Clinic - Oregon
Oregon, Ohio, 43616
Community Hospital of Ottawa
Ottawa, Illinois, 61350
Oncology Hematology Associates of Central Illinois, PC - Ottawa
Ottawa, Illinois, 61350
Ottumwa Regional Health Center Cancer Center
Ottumwa, Iowa, 52501
Cancer Center of Kansas, PA - Parsons
Parsons, Kansas, 67357
Cancer Treatment Center at Pekin Hospital
Pekin, Illinois, 61554
Proctor Hospital
Peoria, Illinois, 61614
CCOP - Illinois Oncology Research Association
Peoria, Illinois, 61615
Oncology Hematology Associates of Central Illinois, PC - Peoria
Peoria, Illinois, 61615
Methodist Medical Center of Illinois
Peoria, Illinois, 61636
Illinois Valley Community Hospital
Peru, Illinois, 61354
Cancer Center of Kansas, PA - Pratt
Pratt, Kansas, 67124
St. Mary-Corwin Regional Medical Center
Pueblo, Colorado, 81004
Rapid City Regional Hospital
Rapid City, South Dakota, 57701
Southern Regional Medical Center
Riverdale, Georgia, 30274-2600
Mayo Clinic Cancer Center
Rochester, Minnesota, 55905
Seton Cancer Institute - Saginaw
Saginaw, Michigan, 48601
CentraCare Clinic - River Campus
Saint Cloud, Minnesota, 56303
Coborn Cancer Center
Saint Cloud, Minnesota, 56303
Cancer Center of Kansas, PA - Salina
Salina, Kansas, 67042
Firelands Regional Medical Center
Sandusky, Ohio, 44870
North Coast Cancer Care, Incorporated
Sandusky, Ohio, 44870
Sansum Medical Clinic
Santa Barbara, California, 93105
Santa Barbara Hematology Oncology Medical Group at Cancer Center of Santa Barbara
Santa Barbara, California, 93105
Adult and Pediatric Urology, P.L.L.P.
Sartell, Minnesota, 56377
Mayo Clinic Scottsdale
Scottsdale, Arizona, 85259-5499
Welch Cancer Center at Sheridan Memorial Hospital
Sheridan, Wyoming, 82801
Siouxland Hematology-Oncology Associates, LLP
Sioux City, Iowa, 51101
Siouxland Regional Cancer Center
Sioux City, Iowa, 51101
Mercy Medical Center - Sioux City
Sioux City, Iowa, 51104
St. Luke's Regional Medical Center
Sioux City, Iowa, 51104
Avera Cancer Institute
Sioux Falls, South Dakota, 57105
Medical X-Ray Center, PC
Sioux Falls, South Dakota, 57105
Sioux Valley Hospital and University of South Dakota Medical Center
Sioux Falls, South Dakota, 57117-5039
Cancer Center of Santa Barbara
Snata Barbara, California, 93105
Santa Barbara Hematology Oncology - Solvang
Solvang, California, 93463
St. Margaret's Hospital
Spring Valley, Illinois, 61362
Flower Hospital Cancer Center
Sylvania, Ohio, 43560
North Suburban Medical Center
Thornton, Colorado, 80229
Mercy Hospital of Tiffin
Tiffin, Ohio, 44883
Toledo Hospital
Toledo, Ohio, 43606
St. Vincent Mercy Medical Center
Toledo, Ohio, 43608
Medical University of Ohio Cancer Center
Toledo, Ohio, 43614
CCOP - Toledo Community Hospital
Toledo, Ohio, 43623
Toledo Clinic, Incorporated - Main Clinic
Toledo, Ohio, 43623
Carle Cancer Center at Carle Foundation Hospital
Urbana, Illinois, 61801
CCOP - Carle Cancer Center
Urbana, Illinois, 61801
St. John Macomb Hospital
Warren, Michigan, 48093
Fulton County Health Center
Wauseon, Ohio, 43567
Cancer Center of Kansas, PA - Wellington
Wellington, Kansas, 67152
Medical Oncology and Hematology Associates - West Des Moines
West Des Moines, Iowa, 50266
Associates in Womens Health, PA - North Review
Wichita, Kansas, 67203
Cancer Center of Kansas, PA - Medical Arts Tower
Wichita, Kansas, 67208
Cancer Center of Kansas, PA - Wichita
Wichita, Kansas, 67214
CCOP - Wichita
Wichita, Kansas, 67214
Via Christi Cancer Center at Via Christi Regional Medical Center
Wichita, Kansas, 67214
Cancer Center of Kansas, PA - Winfield
Winfield, Kansas, 67156
About this study
Official title: The Use of Ginkgo Biloba For The Prevention Of Chemotherapy-Related Cognitive Dysfunction
RATIONALE: Chemotherapy may cause memory loss, attention loss, and other problems that make it difficult for patients to think clearly. EGb761 may help maintain mental clarity in patients undergoing chemotherapy.
PURPOSE: Randomized clinical trial to study the effectiveness of EGb761 in preventing loss of mental clarity in women who are receiving chemotherapy for newly diagnosed breast cancer.
Read the detailed description
OBJECTIVES:
- Determine the effectiveness of EGb761 in the prevention of chemotherapy-related cognitive dysfunction in women with breast cancer.
- Determine the safety and tolerability of this drug when administered during adjuvant chemotherapy in these patients.
- Assess the onset and trajectory of cognitive loss that may occur during chemotherapy in these patients.
- Assess the quality of life and cognitive role functioning of patients treated with this drug.
OUTLINE: This is a randomized, double-blind, placebo-controlled, multicenter study. Patients are stratified according to type of chemotherapy (doxorubicin/cyclophosphamide vs doxorubicin/cyclophosphamide with taxane vs other anthracycline-based chemotherapy vs other non-anthracycline-based chemotherapy), age (18 to 49 vs 50 and over), menopausal status at start of therapy (premenopausal vs postmenopausal vs unknown for surgical reasons), and lymph node involvement (0-3 vs 4 or more). Patients are randomized to 1 of 2 treatment arms.
- Arm I: Patients receive oral EGb761 twice daily.
- Arm II: Patients receive oral placebo twice daily. Patients in both arms receive treatment beginning no later than the start of the second course of chemotherapy and continuing until 1 month after the completion of chemotherapy.
Quality of life and cognitive function are assessed at baseline, monthly during chemotherapy, and then at 1, 6, 12, 18, and 24 months.
Patients are followed every 6 months for 2 years.
PROJECTED ACCRUAL: A total of 220 patients (110 per treatment arm) will be accrued for this study within 11 months.
- Conditions
- Breast Cancer, Neurotoxicity
- Being tested
- Ginkgo Biloba, Placebo
- Keywords
- neurotoxicity, stage I breast cancer, stage II breast cancer, stage IIIA breast cancer, stage IIIB breast cancer, stage IIIC breast cancer
- Medical subject headings
- Breast Neoplasms, Neurotoxicity Syndromes
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Ginkgo BilobaDrug
Patients will take 120 mg per day (60 mg BID)
PlaceboOther
Patients will take 1 tablet BID
| Study group | Role | What they receive |
|---|---|---|
| Ginkgo Biloba | Experimental | 120 mg per day (60 mg BID) Receives: Drug: Ginkgo Biloba |
| Placebo | Placebo comparator | 1 tablet BID Receives: Other: Placebo |
What is being measured
The primary outcome is the main question the study is designed to answer.
The Level of Cognitive Dysfunction as Measured by the High Sensitivity Cognitive Screen (HSCS) Overall Score.
The primary analysis involved compiling each subscale score for the HSCS into area under the curve (AUC) scores for the data points from baseline to the 12 month data point. HSCS instrument contains questions regarding Memory (0-39), Language (0-30), Visual-motor (0-10), Spatial (0-8), Attention and Concentration (0-25), Self-Regulation and Planning (0-6) on a varying scales. Total is calculated by summing afore mentioned subscales, values of Total ranged from 0 to 125. Lower scores are better.
Measured: Baseline, 12 months after starting Chemotherapy.
Secondary outcomes (5)
Median Scores for Trail Making Tests A and B (Lower Scores Are Better).
The Trail Making Test is a measure of overall brain dysfunction. Time taken to complete TMT tests was recorded. For this analysis median values of the Trail Making tests are calculated at different time points.
Measured: Baseline, 1, 6, 12, 18 and 24 months time points
Secondary Measure of Cognitive Function Using Trail Making Tests (TMT) A and B.
TMT A and B were analyzed by evaluating median changes from baseline to different time points. Lower scores are better. The Trail Making Test will provide additional validity and verification for the assessment of overall cognitive dysfunction. Abbreviations used for category titles in the table below: Baseline (BL), change (chg), month (mth).
Measured: Baseline, 1, 6, 12, 18 and 24 months post chemotherapy.
Self-reported Symptoms or Side Effects Using Symptom Experience Diary (SED)
Self-reported symptoms or side effects mean change from baseline to 1st post chemo visit (negative numbers indicate worsening symptoms). A descriptive report of the toxicities experienced by participants will be measured with a Symptom Experience Diary. Participants will complete this questionnaire. This patient diary contains several questions related to potential side effects and side benefits of Ginko Biloba measured on a numeric analogue scale (based on 0-10 scale with 10 being worst toxicity).
Measured: Baseline, 1st evaluation of post chemotherapy.
Associations Between Self-reported Cognition and the HSCS.
Pearson correlation coefficients conceptually related objective HSCS and subjective self-reported cognition. For this analysis data from both arms are combined. In the table below, numbers closer to 1 indicate positive correlation; numbers closer to -1 indicate negative correlation.
Measured: Baseline, 1, 6, 12, 18 and 24 months time points
Associations Between Self-report Measures of Cognition and the Trail Making Test (TMT) A and B.
Pearson correlation coefficients conceptually related objective TMT A and B and subjective self-report measures of cognition. For this analysis data from both arms are combined. In the table below, numbers closer to 1 indicate positive correlation; numbers closer to -1 indicate negative correlation.
Measured: Baseline, 1, 6, 12, 18 and 24 months time points
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted27 Jan 2003 (estimated)
- Study startDec 2002
- Primary completionOct 2006
- Study completionApr 2015
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Other trials for Breast CancerStudies of the same condition, open and under way.
- More trials run by Alliance for Clinical Trials in OncologyThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 3
- Primary purpose
- Supportive care
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind
- Who is masked
- Participant, Investigator
- Enrolment
- 226 participants (actual)
Sponsor and investigators
- Lead sponsor
- Alliance for Clinical Trials in Oncology
- Sponsor type
- University, hospital or other
- Collaborators
- National Cancer Institute (NCI)
- Responsible party
- Sponsor
- Investigators
- Debra Barton, RN, PhD, AOCN, FAAN, Study chair, Mayo Clinic
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00046891
- Sponsor's protocol ID
- NCCTG-N00C9
- Other IDs
- NCI-2012-02492, NCI-P02-0231, CDR0000257008
- Status last verified
- Jul 2016
- First submitted
- 3 Oct 2002
- Last updated
- 6 Jul 2016
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- Yes
Study at a glance
From the registry record, last updated by the sponsor on 6 Jul 2016. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- The Use of Ginkgo Biloba For The Prevention Of Chemotherapy-Related Cognitive Dysfunction
- ClinicalTrials.gov ID
- NCT00046891
- Acronym / sponsor ID
- NCCTG-N00C9
- Conditions
- Breast Cancer, Neurotoxicity
- Keywords
- neurotoxicity, stage I breast cancer, stage II breast cancer, stage IIIA breast cancer, stage IIIB breast cancer, stage IIIC breast cancer
- Phase
- Phase 3
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 226 participants (actual)
- Lead sponsor
- Alliance for Clinical Trials in OncologyUniversity, hospital or other
- Collaborators
- National Cancer Institute (NCI)
- Study start
- Dec 2002
- Primary completion
- Oct 2006 (actual)
- Study completion
- Apr 2015 (actual)
- First posted
- 27 Jan 2003 (estimated)
- Results
- Posted 15 Apr 2015
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
RATIONALE: Chemotherapy may cause memory loss, attention loss, and other problems that make it difficult for patients to think clearly. EGb761 may help maintain mental clarity in patients undergoing chemotherapy.
PURPOSE: Randomized clinical trial to study the effectiveness of EGb761 in preventing loss of mental clarity in women who are receiving chemotherapy for newly diagnosed breast cancer.
Detailed description
OBJECTIVES:
- Determine the effectiveness of EGb761 in the prevention of chemotherapy-related cognitive dysfunction in women with breast cancer.
- Determine the safety and tolerability of this drug when administered during adjuvant chemotherapy in these patients.
- Assess the onset and trajectory of cognitive loss that may occur during chemotherapy in these patients.
- Assess the quality of life and cognitive role functioning of patients treated with this drug.
OUTLINE: This is a randomized, double-blind, placebo-controlled, multicenter study. Patients are stratified according to type of chemotherapy (doxorubicin/cyclophosphamide vs doxorubicin/cyclophosphamide with taxane vs other anthracycline-based chemotherapy vs other non-anthracycline-based chemotherapy), age (18 to 49 vs 50 and over), menopausal status at start of therapy (premenopausal vs postmenopausal vs unknown for surgical reasons), and lymph node involvement (0-3 vs 4 or more). Patients are randomized to 1 of 2 treatment arms.
- Arm I: Patients receive oral EGb761 twice daily.
- Arm II: Patients receive oral placebo twice daily. Patients in both arms receive treatment beginning no later than the start of the second course of chemotherapy and continuing until 1 month after the completion of chemotherapy.
Quality of life and cognitive function are assessed at baseline, monthly during chemotherapy, and then at 1, 6, 12, 18, and 24 months.
Patients are followed every 6 months for 2 years.
PROJECTED ACCRUAL: A total of 220 patients (110 per treatment arm) will be accrued for this study within 11 months.
Study design
- Primary purpose
- Supportive care
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind (participant, investigator)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Ginkgo Biloba | Experimental | Drug: Ginkgo Biloba120 mg per day (60 mg BID) |
| Placebo | Placebo comparator | Other: Placebo1 tablet BID |
Who may qualify
- Ages
- 18 years and older
- Sex
- Female only
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Ginkgo BilobaPatients will take 120 mg per day (60 mg BID) | Drug | Ginkgo Biloba |
| PlaceboPatients will take 1 tablet BID | Other | Placebo |
Primary outcome
The Level of Cognitive Dysfunction as Measured by the High Sensitivity Cognitive Screen (HSCS) Overall Score.
Time frame: Baseline, 12 months after starting Chemotherapy.
The primary analysis involved compiling each subscale score for the HSCS into area under the curve (AUC) scores for the data points from baseline to the 12 month data point. HSCS instrument contains questions regarding Memory (0-39), Language (0-30), Visual-motor (0-10), Spatial (0-8), Attention and Concentration (0-25), Self-Regulation and Planning (0-6) on a varying scales. Total is calculated by summing afore mentioned subscales, values of Total ranged from 0 to 125. Lower scores are better.
5 secondary outcomes
Median Scores for Trail Making Tests A and B (Lower Scores Are Better).
Time frame: Baseline, 1, 6, 12, 18 and 24 months time points
Secondary Measure of Cognitive Function Using Trail Making Tests (TMT) A and B.
Time frame: Baseline, 1, 6, 12, 18 and 24 months post chemotherapy.
Self-reported Symptoms or Side Effects Using Symptom Experience Diary (SED)
Time frame: Baseline, 1st evaluation of post chemotherapy.
Associations Between Self-reported Cognition and the HSCS.
Time frame: Baseline, 1, 6, 12, 18 and 24 months time points
Associations Between Self-report Measures of Cognition and the Trail Making Test (TMT) A and B.
Time frame: Baseline, 1, 6, 12, 18 and 24 months time points
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 6 Jul 2016.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Debra Barton, RN, PhD, AOCN, FAAN study chair
Mayo Clinic
175 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 3 study testing Ginkgo Biloba in people with Breast Cancer and Neurotoxicity, run by Alliance for Clinical Trials in Oncology at 175 sites in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 6 Jul 2016. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 175 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
Yes. Results are posted in the registry (first posted 15 Apr 2015). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
The Level of Cognitive Dysfunction as Measured by the High Sensitivity Cognitive Screen (HSCS) Overall Score. (time frame: Baseline, 12 months after starting Chemotherapy.). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 6 Jul 2016.