This study aims to evaluate the safety, efficacy, and pharmacokinetics of Ronkyla Plus, a combinational drug that forms a hydrogel at the injection site, promising a better experience of lipolysis injection for the treatment of superficial lipoma. The study consists of a Part I dose-escalation study to investigate the drug's maximum tolerated dose (MTD) for this indication and a Part II study for evaluating its relative bioavailability in comparison to an FDA-approved lipolysis injection, Kybella.
Part I is a randomized, double-blind, placebo-controlled, and sequential dose-escalation study. Eligible subjects will receive intralesional injections of Ronkyla Plus or placebo at a volume dependent on the size of their superficial lipoma, up to a maximum of 10 mL per treatment, at 28-day intervals for up to a maximum of 6 treatments. In the first treatment cycle, subjects will stay in hospital for 3 hours after treatment for evaluation of acute safety profile. Subjects will return to the hospital on Day 8 and Day 29 of each treatment cycle for safety profile evaluation. Part II is an open-label, single-dose, 2-treatment, parallel study to evaluate the relative bioavailability of Ronkyla Plus injection in comparison with that of Kybella injection. Eligible, non-smoking males and females aged 18 to 65 with treatable superficial lipoma or submental fullness will be included in the study. Twenty (20) subjects for each target symptom, in a total of 40 subjects, are planned to be enrolled in the study to achieve at least 16 evaluable subjects in each treatment group. After screening, subjects will be assigned to Ronkyla Plus or Kybella treatment based on their symptoms and undergo a 16-day PK assessment. For Ronkyla Plus injection, subject will receive a single intralesional treatment at the maximum tolerated dose (MTD) as determined in Part I. For Kybella injection, subject will receive the maximum dose approved for a single treatment (100 mg) in the submental area. In the PK assessment period, subjects will visit the hospital in the mornings of Day 3 (48.0 h), Day 5 (96.0 h), Day 8 (168.0 h), Day 11 (240.0 h), and Day 15 (336.0 h), and two consecutive 24-hr PK blood samplings from Day -2 evening to Day 2 morning (pre-dose, 0.25, 0.5, 1.0, 1.5, 2.0, 3.0, 4.0, 6.0, 8.0, 12.0, 16.0, 24.0 h post-dose on Day 1\~Day 2; same blood sampling time on Day -1\~Day 1 without dosing). Two weeks after the end of the 16-day PK assessment period, subjects of Ronkyla Plus cohort will be eligible for up to 5 additional treatments of Ronkyla Plus for complete clearance of their target superficial lipomas, whereas subjects of Kybella cohort will be eligible for up to 5 additional treatments of Ronkyla (10.56 mg/mL SDC injection approved in Taiwan for submental fullness treatment, pharmaceutical equivalent of Kybella) for improvement of their submental fullness.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
56
Ronkyla Plus is a new formulation of sodium deoxycholate lipolysis injection. It forms a hydrogel at the injection site.
Normal saline for injection.
10 mg/mL deoxycholic acid injection
Cathay General Hospital
Taipei, Da'an District, Taiwan
RECRUITINGCathay General Hospital Sijhih Branch
New Taipei City, Sijhih District, Taiwan
RECRUITINGPart I: Incidence of all adverse events
Also a Part II Secondary Outcome Measure
Time frame: 7 months (Part I); 1 month (Part II)
Part I: Incidence of all serious adverse events
Also a Part II Secondary Outcome Measure
Time frame: 7 months (Part I); 1 month (Part II)
Part I: Incidence of Common Terminology Criteria for Adverse Events (CTCAE) grade ≥2 bone marrow toxicities
Also a Part II Secondary Outcome Measure. CTCAE version 5.0 (Grade 1: Mild, Grade 2: Moderate, Grade 3: Severe, Grade 4: Life-threatening, Grade 5: Death)
Time frame: 7 months (Part I); 1 month (Part II)
Part I: Incidence of Common Terminology Criteria for Adverse Events (CTCAE) grade ≥2 cardiac toxicities
Also a Part II Secondary Outcome Measure. CTCAE version 5.0 (Grade 1: Mild, Grade 2: Moderate, Grade 3: Severe, Grade 4: Life-threatening, Grade 5: Death)
Time frame: 7 months (Part I); 1 month (Part II)
Part I: Change from baseline in vital signs
Also a Part II Secondary Outcome Measure. Measurement of blood pressure (including systolic blood pressure and diastolic blood pressure, unit: mmHg; pulse rate, unit: beats/mins; respiratory rate, unit: times/min; body temperature, unit: degree Celsius)
Time frame: 7 months (Part I); 1 month (Part II)
Part I: Change from baseline in physical and weight measurement
Also a Part II Secondary Outcome Measure. Physical examination includes: general appearance and weight (kg), HEENT (head, eyes, ears, nose, and throat), mouth, skin, neck (including thyroid), lymph nodes, spine, cardiovascular system, gastrointestinal system, nervous system, musculoskeletal system, mental status.
Time frame: 7 months (Part I); 1 month (Part II)
Part I: Change from baseline in Comprehensive Metabolic Panel blood test
Also a Part II Secondary Outcome Measure. Blood test for: albumin, blood urea nitrogen, calcium, carbon dioxide, chloride, creatinine, glucose, potassium, sodium, total bilirubin and protein, alanine aminotransferase, alkaline phosphatase, aspartate aminotransferase
Time frame: 7 months (Part I); 1 month (Part II)
Part I: Change from baseline in Complete blood count test
Also a Part II Secondary Outcome Measure. Blood test includes: hemoglobin, hematocrit, red blood cell, white blood cell (neutrophils, band %, segment %, eosinophils, basophils, lymphocytes, and monocytes), platelet count, mean corpuscular volume, mean corpuscular hemoglobin, mean corpuscular hemoglobin
Time frame: 7 months (Part I); 1 month (Part II)
Part I: Change from baseline in lipid profile.
Also a Part II Secondary Outcome Measure. Blood test includes: total cholesterol, low-density lipoprotein cholesterol, high-density lipoprotein cholesterol, triglyceride.
Time frame: 7 months (Part I); 1 month (Part II)
Part I: Change from baseline in thyroid test.
Also a Part II Secondary Outcome Measure. Blood test includes: triidothyronine, thyroxine, and thyroid-stimulating hormone.
Time frame: 7 months (Part I); 1 month (Part II)
Part I: Change from baseline in urinalysis
Also a Part II Secondary Outcome Measure. Measurement includes: pH, protein, occult blood, leukocyte, glucose, ketones, bilirubin, urobilinogen, nitrite, clinical microscopy.
Time frame: 7 months (Part I); 1 month (Part II)
Part I: Change from baseline in inflammation evaluation.
Also a Part II Secondary Outcome Measure. Test includes: c-reactive protein, erythrocyte sedimentation rate
Time frame: 7 months (Part I); 1 month (Part II)
Part I: Change from baseline in coagulation function.
Also a Part II Secondary Outcome Measure. Blood test includes: prothrombin time, activated partial thromboplastin time
Time frame: 7 months (Part I); 1 month (Part II)
Part II: Baseline-adjusted area under the plasma concentration-time curve over a 24-hour period (AUC0-24) of deoxycholic acid
PK values on Day -1\~Day 1 (pre-dosing) will be subtracted from PK values on Day 1 \~Day 15 (post-dosing)
Time frame: 16 days
Part II: Baseline-adjusted area under the curve from zero to time infinity (AUC0-inf) of deoxycholic acid
PK values on Day -1\~Day 1 (pre-dosing) will be subtracted from PK values on Day 1 \~Day 15 (post-dosing)
Time frame: 16 days
Part II: Baseline-adjusted peak plasma concentration (Cmax) of deoxycholic acid
PK values on Day -1\~Day 1 (pre-dosing) will be subtracted from PK values on Day 1 \~Day 15 (post-dosing)
Time frame: 16 days
Part II: Baseline-adjusted time to maximum concentration (Tmax) of deoxycholic acid
PK values on Day -1\~Day 1 (pre-dosing) will be subtracted from PK values on Day 1 \~Day 15 (post-dosing)
Time frame: 16 days
Part II: Baseline-adjusted elimination half-life (T1/2) of deoxycholic acid
PK values on Day -1\~Day 1 (pre-dosing) will be subtracted from PK values on Day 1 \~Day 15 (post-dosing)
Time frame: 16 days
Part II: Baseline-adjusted, dose-normalized area under the plasma concentration-time curve over a 24-hour period (AUC0-24)
Baseline-adjusted PK values will be divided by the injected dose of deoxycholic acid
Time frame: 16 days
Part II: Baseline-adjusted, dose-normalized area under the curve from zero to time infinity (AUC0-inf) of deoxycholic acid
Baseline-adjusted PK values will be divided by the injected dose of deoxycholic acid
Time frame: 16 days
Part II: Baseline-adjusted, dose-normalized peak plasma concentration (Cmax) of deoxycholic acid
Baseline-adjusted PK values will be divided by injected dose of deoxycholic acid
Time frame: 16 days
Part II: Baseline-adjusted, dose-normalized time to maximum concentration (Tmax) of deoxycholic acid
Baseline-adjusted PK values will be divided by the injected dose of deoxycholic acid.
Time frame: 16 days
Part II: Baseline-adjusted, dose-normalized elimination half-life (T1/2) of deoxycholic acid
Baseline-adjusted PK values will be divided by the injected dose of deoxycholic acid
Time frame: 16 days
Percentage of subjects with "complete" or "almost complete" clearance of the target superficial lipoma at the end of Cycle 2 (Part I only)
At screening, 1 target superficial lipoma will be selected for treatment. Lipoma will be measured in ≥ 2 dimensions (longest length, perpendicular width, and height if possible) using both digital calipers and ultrasound imaging. Almost complete clearance is defined as ≥ 90% reduction in surface area of the target superficial lipoma
Time frame: 2 months
Percentage of subjects with "complete" or "almost complete" clearance of the target superficial lipoma at the end of each treatment cycle and end of study
Days 29, 57, 85, 113, 141, 169, 197 for Part I; Day 29 for Part II Ronkyla Plus cohort
Time frame: 7 months (Part I); 1 month (Part II)
Percentage of subjects with "complete" clearance of the target superficial lipoma at the end of each treatment cycle and end of study
Days 29, 57, 85, 113, 141, 169, 197 for Part I; Day 29 for Part II Ronkyla Plus cohort
Time frame: 7 months (Part I); 1 month (Part II)
Percentage of subjects with "almost complete" clearance of the target superficial lipoma at the end of each treatment cycle and end of study
Days 29, 57, 85, 113, 141, 169, 197 for Part I; Day 29 for Part II Ronkyla Plus cohort
Time frame: 7 months (Part I); 1 month (Part II)
Percentage reduction in size of the target superficial lipoma at the end of each treatment cycle and end of study
Days 29, 57, 85, 113, 141, 169, 197 for Part I; Day 29 for Part II Ronkyla Plus cohort
Time frame: 7 months (Part I); 1 month (Part II)
Percentage of subjects having their target superficial lipoma rated by the investigator as 0 or 1 point on the investigator's lipoma morphology assessment scale at the end of each treatment cycle and end of study
Days 29, 57, 85, 113, 141, 169, 197 for Part I; Day 29 for Part II Ronkyla Plus cohort. At screening, the beginning/end of each treatment cycle, and the end of study, the investigator will use a 4-point scale of 0-3 to rate the morphology of subjects' target lipomas where 0= Not palpable, 1=Not visible, barely palpable, 2=Visible upon palpation, and 3=Clearly visible, easily palpable. A score of 0 to 1 indicates favorable morphological changes of the target lipoma following treatment(s).
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Time frame: 7 months (Part I); 1 month (Part II)
Percentage of subjects having their target superficial lipoma rated by the investigator with ≥2 points improvement on the investigator's lipoma morphology assessment scale at the end of each treatment cycle and end of study
Days 29, 57, 85, 113, 141, 169, 197 for Part I; Day 29 for Part II Ronkyla Plus cohort. Investigator's lipoma morphology assessment scale where 0 = not palpable; 1 = not visible, barely palpable; 2 = visible upon palpation; 3 = clearly visible, easily palpable. The percentage of subjects having their target superficial lipomas assessed by the investigator on the scale as follows: 0 or 1 point; with ≥ 2 points improvement from baseline; with ≥ 1 point improvement from baseline.
Time frame: 7 months (Part I); 1 month (Part II)
Percentage of subjects having their target superficial lipoma rated by the investigator with ≥1 point improvement on the investigator's lipoma morphology assessment scale at the end of each treatment cycle and end of study
Days 29, 57, 85, 113, 141, 169, 197 for Part I; Day 29 for Part II Ronkyla Plus cohort. Investigator's lipoma morphology assessment scale where 0 = not palpable; 1 = not visible, barely palpable; 2 = visible upon palpation; 3 = clearly visible, easily palpable. The percentage of subjects having their target superficial lipomas assessed by the investigator on the scale as follows: 0 or 1 point; with ≥ 2 points improvement from baseline; with ≥ 1 point improvement from baseline.
Time frame: 7 months (Part I); 1 month (Part II)
Percentage of subjects being satisfied with treatment outcome at the end of each treatment cycle and end of study
Days 29, 57, 85, 113, 141, 169, 197 for Part I; Day 29 for Part II Ronkyla Plus cohort. Satisfaction assessment will be performed independently by subjects using a 5-point scale where 0 = worsen, 1 = no response, 2 = moderate response, 3 = good response, and 4 = excellent response. A score of 3 or 4 qualifies for a satisfactory treatment outcome.
Time frame: 7 months (Part I); 1 month (Part II)
Injection site pain rated by subjects on a 0-10 numeric rating scale (NRS) at 1 hour and 1 week after each treatment
Days 1, 8, 29, 36, 57, 64, 85, 92, 113, 120, 141, 148 for Part I; Days 1, 8 for Part II Ronkyla Plus cohort. At approximately 1 hour after each treatment, and at the 1-week follow-up visit for each treatment, subjects will be asked to rate their injection site pain using a 0-10 numeric rating scale (NRS) where 0 = no pain and 10 = most severe pain possible.
Time frame: 25 weeks (Part I); 1 week (Part II)