Clinical trial • Phase III • Oncology|Other

TAMOXIFEN CITRATE for Breast cancer|Vulvovaginal atrophy

Phase III trial of TAMOXIFEN CITRATE for Breast cancer|Vulvovaginal atrophy.

Overview

Trial Therapeutic Area
Oncology|Other
Trial Disease
Breast cancer|Vulvovaginal atrophy
Trial Stage
Phase III
Drug Modality
Small molecule

Key dates

Initial CTIS Submission Date
19-08-2024
First CTIS Authorization Date
30-08-2024

Trial design

Randomised, placebo (product name: "atc-kod v03ax10. hittas ej av systemet."). no dose or schedule specified for placebo in the record.-controlled Phase III trial across 3 sites in Sweden.

Randomised
Yes
Comparator
Placebo (product name: "ATC-kod V03AX10. Hittas ej av systemet."). No dose or schedule specified for placebo in the record.
Target Sample Size
120
Trial Duration For Participant
84

Eligibility

Recruits 120 No vulnerable population selected. Participants are adult postmenopausal women; the inclusion criteria state they must 'give their written consent.'.

Vulnerable Population
No vulnerable population selected. Participants are adult postmenopausal women; the inclusion criteria state they must 'give their written consent.'

Inclusion criteria

  • {"criterion_text":"- 1. Sexually active postmenopausal women with breast cancer and ongoing adjuvant antiestrogen treatment with aromatase inhibitors who are willing to participate in the study and give their written consent."}
  • {"criterion_text":"- 2. Postmenopausal women with at least 12 months of spontaneous amenorrhea, or women who have had surgical bilateral oophorectomy at least 6 weeks ago, or level of follicle stimulating hormone (FSH) > 40 mIU/mL."}
  • {"criterion_text":"- 3. Have a vaginal pH > 5.0 at screening."}
  • {"criterion_text":"- 4. Have ≤ 5% superficial cells in vaginal smear cytology at screening."}
  • {"criterion_text":"- 5. Have estradiol levels below the detection level, < 20 pmol/l."}
  • {"criterion_text":"- 6. Have one moderate to severe vulvovaginal atrophy symptom on the FACT-B scale that has been identified by the subject as being the most bothersome to her."}
  • {"criterion_text":"- 7. Be judged by the principal investigator as being in otherwise good health. The medical evaluation findings must include: a. A normal or clinically non-significant finding at physical examination. b. A mean sitting systolic blood pressure ≤150 mm Hg and diastolic blood pressure ≤90 mm Hg at screening. c. A normal or clinically non-significant finding at gynaecological examination. d. A normal mammography that has been performed within 36 months prior to initial dose of study medication. e. Laboratory values within normal limits or with non-significant deviations from normal values."}
  • {"criterion_text":"- 8. Have an endometrial thickness of < 4 mm as determined by vaginal ultrasonography, in women with an intact uterus."}

Exclusion criteria

  • {"criterion_text":"- Postmenopausal women with breast cancer and ongoing adjuvant antiestrogen treatment with oral tamoxifen."}
  • {"criterion_text":"- In addition, women meeting any of the following criteria will not be permitted to enter the study: 1. Have a history of cardiovascular disease or thromboembolic events."}
  • {"criterion_text":"- 2. Have a history of or ongoing hepatic, renal, pulmonary, hematologic, gastrointestinal, endocrine, immunologic, neurologic, psychological, or musculoskeletal disease or disorder that is clinically significant in the opinion of the principal investigator."}
  • {"criterion_text":"- 3. Have a history of endometrial hyperplasia, endometrial polyps, endometrial cancer, or ovarian cancer."}
  • {"criterion_text":"- 4. Have a history of undiagnosed vaginal bleeding."}
  • {"criterion_text":"- 5. Have an ongoing urogenital infection in spite of treatment at the randomization visit."}
  • {"criterion_text":"- 6. Have used estrogen alone or estrogen/progestin for any of the following time periods: a. Vaginal hormonal products (rings, creams, gels, vaginal suppositories) within 12 weeks prior to the screening visit"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- The primary endpoint will be captured by a modified version of the Endocrine Subscale-FACT-B, a validated 5-point response scale (not at all/minor/moderate/considerable/severe) developed for breast cancer research","definition_or_measurement_approach":"Captured by a modified version of the Endocrine Subscale-FACT-B, a validated 5-point response scale (not at all/minor/moderate/considerable/severe)."}

Secondary endpoints

  • {"endpoint_text":"- Change from baseline to week 12 in all subscales of the modified version of the Endocrine Subscale-FACT-B.","definition_or_measurement_approach":"Change from baseline to week 12 measured using the modified Endocrine Subscale-FACT-B subscales."}
  • {"endpoint_text":"- Change from baseline to week 12 in total score on the Female Sexual Function Index (FSFI).","definition_or_measurement_approach":"Change from baseline to week 12 in FSFI total score."}
  • {"endpoint_text":"- Change from baseline to week 12 in total score on the Female Sexual Distress Scale-revised (FSDS-R).","definition_or_measurement_approach":"Change from baseline to week 12 in FSDS-R total score."}
  • {"endpoint_text":"- Change from baseline to Week 12 in Quality of Life. Information will be collected using the EORTC QLQ-C30","definition_or_measurement_approach":"Change from baseline to week 12 in QoL measured by EORTC QLQ-C30."}

Recruitment

Planned Sample Size
120
Recruitment Window Months
39
Consent Approach
Written informed consent required from each participant; participants are adult postmenopausal women. A subject information and informed consent form document is listed but available languages are not specified in the record.

Geography

Total Number Of Sites
3
Total Number Of Participants
120

Sweden

Earliest CTIS Part Ii Submission Date
19-08-2024
Latest Decision Or Authorization Date
30-08-2024
Processing Time Days
11
Number Of Sites
3
Number Of Participants
120

Sites

Site Name
Karolinska University Hospital
Department Name
Gynmottagningen/Kvinnohälsan
Principal Investigator Name
Angelica Lindén Hirschberg
Principal Investigator Email
angelica.hirschberg.linden@ki.se
Contact Person Name
Angelica Lindén Hirschberg
Site Name
Uppsala University Hospital
Department Name
Kvinnosjukvården
Principal Investigator Name
Inger Sundström Poromaa
Principal Investigator Email
inger.sundstrom@uu.se
Contact Person Name
Inger Sundström Poromaa
Contact Person Email
inger.sundstrom@uu.se
Site Name
Danderyds Sjukhus AB
Department Name
Kvinnosjukvård och förlossning
Principal Investigator Name
Helena Kopp Kallner
Principal Investigator Email
helena.kopp-kallner@ki.se
Contact Person Name
Helena Kopp Kallner
Contact Person Email
helena.kopp-kallner@ki.se

Sponsor

Primary sponsor

Full Name
Uppsala University
Organisation Type
Educational Institution
Country Of Registered Address
Sweden

Investigational products

Investigational Product Name
TAMOXIFEN
Active Substance
TAMOXIFEN CITRATE
Modality
Small molecule
Routes Of Administration
VAGINAL USE
Route
VAGINAL USE
Authorisation Status
EU MP number SCP126654; marketing authorisation number '-'
Dose Levels
Max daily dose amount 20 mg; Max total dose amount 20
Maximum Dose
20 mg
Investigational Product Name
ATC-kod V03AX10. Hittas ej av systemet.
Modality
Other

Related trials

Other published trials that may interest you.