CL25216 for perimenopausal hot flashes and night sweats

Inclusion Criteria:

* Healthy overweight women (BMI: 25-29 kg/m2) aged between 40 to 55 years with reports of changes in their menstrual cycle for at least 3 months.
* Participants needed to have a total score of greater than 16 on the Greene Climacteric Scale (GCS), have an intact uterus and ovaries.
* Early Perimenopausal Women according "The Stages of Reproductive Aging Workshop (STRAW) Classification (-2)" irregular periods without skipping menstrual cycles and more than seven days difference in length of consecutive cycles.
* Subjects with serum FSH \>20 U/L on 3-5 days of menstrual cycle.
* Subjects with normal pelvic TVS and breast mammogram.
* Subjects with normal fasting blood glucose level (\<125 mg/dl).
* Subject understands the study procedures and provides signed informed consent to participate in the study.
* Subjects with normal blood thyroid profile.
* Females of childbearing potential who are sexually active must agree to use adequate contraception and can neither be pregnant nor lactating from screening throughout the duration of the study.
* Clinical screening including vital signs, electrocardiogram (ECG) and laboratory evaluations (including clinical chemistry, haematology, and complete urinalysis) within the reference range for the testing laboratory or the results are deemed not clinically significant for inclusion into this study by the investigator.

Exclusion Criteria:

* History of cerebrovascular disease, thrombo-embolic disorders, heart attack, or angina at any time or thrombophlebitis within the last 5 years, on anti-coagulant or anti-platelet drugs daily for any conditions.
* Subjects who had received hormonal treatment or any other herbal products in the previous 6 months.
* Subjects underwent treatment for COVID 19 within last 3 months or tested positive during the study will be excluded.
* Subjects diagnosed with ovarian cysts ≥ 4 cm or any underlying pathology in pelvic ultrasonography (USG) performed during screening.
* Chronic or acute life stressors relating to a major life change, experiencing depression and/or receiving medication for such illness or disorders, receiving statins or other drugs known to impact on steroid hormone levels.
* Subjects having active gall bladder disease, gynaecological or breast surgery in the last 6 months.
* History of breast, endometrial, other gynaecological cancer at any time or other cancer within the last 5 years.
* Subjects with abnormal ECG.
* Pregnant and breast feeding female.
* History of hypersensitivity reactions attributed to investigational product (IP) or its components or related products.
* Donation/loss of blood 1 unit or 350 mL within 90 days prior to receiving the first dose of study medication.
* Use of any recreational drugs (cocaine, amphetamine, barbiturates, benzodiazepines, cannabinoids, and morphine).
* History of clinically significant illness or any other medical disorder that may interfere with subject treatment, assessment, or compliance with the protocol.
* Participated in a clinical study with an investigational drug or biologic within the last 30 days.
* Any condition that in opinion of the investigator, does not justify the subjects" participation in the study.
* Subjects with a high blood pressure at screening (systolic blood pressure ≥160 mmHg or diastolic blood pressure ≥ 100 mmHg).
* Subjects with progressive systemic diseases (e.g. tuberculosis, leucosis, collagenosis, multiple sclerosis, AIDS, HIV infections, Hepatitis B surface antigen or Hepatitis C virus (HCV) antibodies or other auto-immune diseases).
* Evidence or history of clinically significant (in the judgment of the Investigator) haematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, neurologic diseases, or malignancies, hypothyroidism.
* High alcohol intake (\>2 standard drinks per day), smokers (\>5 cigarettes per day).