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Efficacy, Safety, and Tolerability of LPRI-CF113 as an Oral Contraceptive in Females

I

Insud Pharma

Status and phase

Active, not recruiting
Phase 3

Conditions

Contraception
Change in Bone Mineral Density

Treatments

Drug: Drospirenone

Study type

Interventional

Funder types

Industry

Identifiers

NCT05461573
CF113-303

Details and patient eligibility

About

This study will be in two parts, Part A and Part B. The primary objective of Part A is to evaluate the contraceptive efficacy of LPRI-CF113. The secondary objective of Part A is to evaluate the safety and tolerability of LPRI-CF113. The primary objective of Part B is to evaluate the impact of LPRI-CF113 on bone mineral density (BMD) at the lumbar spine (L1-L4) after 12 months (13 medication cycles). The secondary objective of Part B is to evaluate the impact of LPRI-CF113 on BMD and bone turnover after 12 months (13 medication cycles) at the femoral neck, total hip, and total body.

Full description

This is a Phase 3, prospective, multi-center, open-label, non-comparative study in female subjects 13 to 45 years of age (inclusive) to determine the efficacy, safety, and tolerability of LPRI-CF113 administered orally for 13 (28-day) medication cycles (Part A). Healthy, sexually active female subjects of childbearing potential, who present to the clinic seeking contraception, will be enrolled in the study.

Part B will be an investigation of bone mineral density (BMD) at the lumbar spine and BMD and bone turnover at the femoral neck, total hip, and total body. Part B will consist of a subgroup of subjects enrolled in Part A (i.e., subjects that meet all of Part A inclusion criteria and none of Part A AND Part B exclusion criteria) who are 18 to 45 years of age (inclusive at the time of screening). BMD will be assessed by dual-energy X-ray absorptiometry (DXA) scan.

The study duration (Parts A and B) for each subject will be up to approximately 404 days (28 days [screening] + 376 days [Treatment and Follow-up Period]), unless the subject meets criteria for the extended Part B Follow-up, in which the duration will be approximately 769 days (28 days [screening] + 376 days [Treatment and Follow-up Period] + 365 days [extended Part B Follow up]).

Enrollment

1,009 estimated patients

Sex

Female

Ages

13 to 45 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Subjects must be willing and able to provide written informed consent (for adults) or assent (for adolescents <18 years of age) and comply with all study procedures, prohibitions, restrictions, and scheduled visits

  • Subjects must be female, healthy, sexually active, postmenarcheal, premenopausal, and of childbearing potential, between 13 and 45 years of age (inclusive at the time of screening) and at risk for pregnancy

    • Note: Childbearing potential is defined as subjects who are ovulating, premenopausal, and not surgically sterile (ie, have not undergone hysterectomy, salpingectomy, or bilateral oophorectomy). Subjects that have undergone unilateral oophorectomy will not be considered surgically sterile and may be included in the study
    • Note: Only subjects 18 to 45 years of age (inclusive at the time of screening) are eligible for inclusion in Part B
  • Subjects must be willing to have vaginal intercourse (with a genetically male partner) throughout the Treatment Period (ie, during each medication cycle) without using a secondary (eg, spermicides) or emergency method of contraception

  • Subjects must have a BMI of 18 kg/m2 or higher

  • Subjects must have a systolic blood pressure of 159 mmHg or lower and a diastolic blood pressure of 99 mmHg or lower

    • Note: The median of 3 blood pressure measurements will be used for this criterion
    • Note: Subjects are required to rest for 5 minutes prior to the first blood pressure measurement and for 1 minute between subsequent measurements. Measurements done without appropriate preparation of the subject (excluding caffeine use, smoking, or excessive physical activity) should not be considered, and the measurement should be repeated upon appropriate preparation of the subject
  • Subjects must be regularly menstruating (with cycle length between 21 and 35 days) for at least 3 months prior to the signing of the Informed Consent Form

    • Note: Breastfeeding women can be included 6 weeks after delivery irrespective of menstrual cycles post-delivery
  • Subjects must agree to not use any secondary (eg, spermicides) or emergency contraceptive methods during the study period

  • Subjects must not be enrolled or plan to enroll in any other clinical study during the study period

  • Subjects must be willing to use the study drug (LPRI-CF113) for 13 (28-day) medication cycles, and be willing to use the provided diary

  • Subjects must generally be in good physical and mental health based on a medical history and a physical examination performed by the Investigator at screening

Exclusion criteria

PART A:

  • The subject is pregnant at the time of screening

  • The subject has a desire to become pregnant at the time of screening

    • Note: The subject will be asked if she has a desire for pregnancy at screening (and at each study visit). If a positive answer is given at screening, the subject will be excluded
  • The subject plans regular concomitant use of barrier contraceptive methods, spermicides, intrauterine device, other contraceptive measures, prohibited medications, and drugs contraindicated for study drug

  • The subject has an abnormal and clinically significant finding on pelvic, breast, or ultrasound examination at screening based on the judgment of the Investigator

  • The subject has an abnormal and clinically significant finding on physical examination, clinical laboratory assessments (chemistry, hematology, urinalysis), or 12-lead ECG assessment based on the judgment of the Investigator

  • The subject has had less than 3 menstrual cycles after discontinuing dosing of depot medroxyprogesterone acetate (Depo-Provera®) or any combined injectable contraceptive (eg, Cyclofem®) prior to consent/assent. Those with spontaneous menses while on injectable contraceptive will be considered for inclusion

  • The subject has received any of the following:

    • A progestin-releasing intra-uterine device or contraceptive implant within 2 months prior to screening or
    • A beta-human chorionic gonadotropin (β-hCG) or co-medication containing β-hCG within 1 month prior to screening
  • The subject at the time of screening has a history of primary amenorrhea or secondary amenorrhea (with or without known etiology)

    • Note: Primary amenorrhea is defined as no menarche by 16 years of age with normal secondary sexual characteristics
    • Note: Secondary amenorrhea is defined as the absence of menses for 3 months in the setting of previously normal (ie, regular) menstruation
  • The subject has a current male sexual partner with a history of infertility, vasectomy, or bilateral orchiectomy

  • The subject has an abnormal Pap smear finding of low-grade squamous intraepithelial lesion or higher at screening or 6 months prior to screening. Subjects <21 years of age at screening do not require a Pap smear

    • Note: Human papilloma virus (HPV) testing, by polymerase chain reaction (PCR), will be performed only in the case of atypical squamous cells of undetermined significance (ASC-US). Subjects with ASC-US can be included if negative for high-risk HPV strains
    • Note: A historical Pap smear may be used for eligibility if performed within the past 6 months with results available
  • The subject has a history of uncontrolled medical illness (eg, the subject has an uncontrolled thyroid disorder and is not on a stable treatment regimen for 2 or more months)

  • The subject has a history of jaundice while taking hormonal contraceptives

  • The subject has a history of alcohol or substance use disorder within 12 months prior to screening. Alcohol abuse is defined as typical consumption of 14 or more alcoholic drinks weekly

    • Note: One drink of alcohol is equivalent to ½ pint of beer (285 mL), 1 glass of spirits (25 mL), or 1 glass of wine (125 mL)
  • The subject has a history or current evidence of clinically significant psychiatric illness, such as major depression or schizophrenia, that in the opinion of the Investigator contraindicates participation in the study

  • The subject has surgical procedures scheduled to occur during the study that would preclude use of contraceptives or require withdrawal of contraceptives

  • The subject has a history of an inherited or acquired disorder that predisposes the subject to venous or arterial thromboembolism (eg, factor V Leiden mutation, prothrombin mutation, presence of antiphospholipid antibodies)

  • The subject has received an investigational product within 3 months prior to screening

  • The subject has a history of using or currently uses any medications known to interfere with the efficacy of hormonal contraceptives, or other prohibited medications or products

  • Medications known to reduce the efficacy of hormonal contraceptives:

    • Barbiturates
    • Bosentan
    • Anticonvulsants (e.g., topiramate, phenytoin, carbamazepine, oxcarbazepine, felbamate, rufinamide)
    • Primidone
    • Rifampin
    • Human immunodeficiency virus peptidase inhibitors (e.g., ritonavir, nelfinavir)
    • Non-nucleoside reverse transcriptase inhibitors (e.g., nevirapine, efavirenz)
    • Griseofulvin
    • Products containing St. John's Wort (hypericum perforatum)
  • Other prohibited medications or products:

    • Rifabutin
    • Aprepitant
    • Hepatitis C treatments (eg, boceprevir, telaprevir)
    • Azole antifungals (eg, fluconazole, itraconazole, ketoconazole, voriconazole)
    • Macrolides (eg, clarithromycin, erythromycin)
    • Verapamil
    • Diltiazem
    • Cyclosporine
    • Lamotrigine
    • Sex hormones
    • Grapefruit juice
  • The subject has a history of severe or critical Coronavirus Disease 2019 (COVID-19) or has been hospitalized for COVID-19 within 3 months prior to screening

    • Note: Severe COVID-19 severity is defined as individuals who have SpO2 <94% on room air at sea level, a PaO2/FiO2 <300 mmHg, a respiratory rate >30 breaths/min, or lung infiltrates >50%
    • Note: Critical COVID-19 severity is defined as individuals who have respiratory failure, septic shock, and/or multiple organ dysfunction
  • The subject has any ongoing condition or history of medical illness that in the opinion of the Investigator may jeopardize the conduct of the study or impact screening

  • The subject is employed by the Sponsor, the Contract Research Organization (CRO), or the clinical facility (permanent, temporary contract worker, or designee responsible for the conduct of the study), or is a family member (spouse, parent, sibling, or child) of the Sponsor, CRO, or clinical facility employee

  • The subject has a known contraindication or hypersensitivity to ingredients or excipients of the study drug (LPRI-CF113)

  • The subject has a history of or is currently being treated for any of the following:

    • Renal insufficiency
    • Hepatic insufficiency
    • Adrenal insufficiency
    • Venous thromboembolism (ie, deep vein thrombosis, pulmonary embolism)
    • Arterial thromboembolism of cardiac origin (eg, valvular heart disease)
    • Cerebral vascular disease
    • Coronary artery disease
    • Diabetic vasculopathy
    • Headaches with focal neurological symptoms
    • Major surgery requiring more than 7 days of immobilization within 3 months prior to screening
    • Carcinoma of the breast
    • Estrogen or progestin sensitive malignancies
    • Abnormal vaginal bleeding in the 6 months prior to screening
    • Cholestatic jaundice during pregnancy
    • Liver tumor (benign or malignant)
    • Active liver disease
    • Rheumatoid arthritis

PART B:

  • The subject is <18 years of age, inclusive

  • The subject has a BMD Z-score of -1.5 at or lower at screening

  • The subject has a history of low-trauma fracture (eg, fracture from a fall from standing height). This does not include fractures of the fingers, toes, or skull

  • The subject has a history of medical conditions or procedures associated with low BMD. This includes the following:

    • Metabolic bone disease (eg, Paget's Disease of the bone, osteomalacia)
    • Collagen vascular disease (eg, Marfan syndrome, Ehlers-Danlos syndrome, osteogenesis imperfecta)
    • Malabsorptive disease (eg, inflammatory bowel disease, postgastrectomy syndrome)
    • Bariatric surgery (except gastric banding)
    • Abnormal bone mineral metabolism (eg, hypocalcemia/hypercalcemia, hypophosphatemia/hyperphosphatemia, hypomagnesemia)
  • The subject has a history of chronic (3 or more months) use within 12 months of screening of the following medications known to increase BMD:

    • Bisphosphonates
    • Denosumab
    • Teriparatide
    • Abaloparatide
    • Romosozumab
    • Calcitonin
    • Fluoride
    • Strontium
  • The subject has a history of chronic (3 or more months) use within 12 months of screening of the following medications known to decrease BMD:

    • Glucocorticoids administered orally, intravenously, or by inhalation.
    • Note: Subjects taking chronic oral or intravenous glucocorticoids (eg, prednisone >2.5 mg daily for 3 or more months) will have a washout period of 12 months
    • Depo-Provera.
    • Note: Subjects using Depo-Provera for 2 or more years will be excluded
    • Aromatase inhibitors within 2 years prior to screening
    • Raloxifene within 2 years prior to screening
    • Anticonvulsants (phenytoin, phenobarbital, carbamazepine, or valproate)
    • Protease inhibitors
    • Cyclosporine
    • Heparin
    • Warfarin
    • Thiazolidinediones
    • Sodium-glucose transporter protein 2 inhibitors
    • Tricyclic antidepressants
    • Proton pump inhibitors
    • Selective serotonin reuptake inhibitors within 3 months prior to screening
  • The subject has any of the following that may preclude accurate BMD measurement by DXA scan:

    • History of lumbar spine surgery
    • History of bilateral hip surgery
    • Surgical placement of metallic implant (eg, nails, clips, screws, rods, pins, wires)
    • Piercings that cannot be removed
    • Weight or height that exceeds the limit of DXA scan table

Trial design

Primary purpose

Prevention

Allocation

Non-Randomized

Interventional model

Single Group Assignment

Masking

None (Open label)

1,009 participants in 2 patient groups

Part A - An investigation of the efficacy, safety, and tolerability of LPRI-CF113
Experimental group
Description:
All subjects enrolled in the study will participate in Part A of the study. Part A of the study will investigate the efficacy, safety, and tolerability of LPRI-CF113.
Treatment:
Drug: Drospirenone
Part B - The effect of LPRI-CF113 on bone mineral density in a subgroup age 18-45
Experimental group
Description:
A subgroup of subjects from Part A that are age 18-45 and without further exclusion criteria to Part B will be enrolled in Part B of the study. Part B of the study will investigate the effects of LPRI-CF113 on bone mineral density.
Treatment:
Drug: Drospirenone

Trial contacts and locations

22

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Central trial contact

Study Director

Data sourced from clinicaltrials.gov

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