Safety and Tolerability of BION-1301 in Healthy Volunteers and Adults With IgA Nephropathy (IgAN)

• ClinicalTrials.gov Identifier: NCT03945318
• Recruitment Status: Active, not recruiting
• First Posted: May 10, 2019
• Last Update Posted: April 19, 2024
• Sponsor: Chinook Therapeutics, Inc.
• Information provided by (Responsible Party): Chinook Therapeutics, Inc.

Tracking Information

• First Submitted Date: April 21, 2019
• First Posted Date: May 10, 2019
• Last Update Posted Date: April 19, 2024
• Actual Study Start Date: April 8, 2019
• Estimated Primary Completion Date: October 2025 (Final data collection date for primary outcome measure)

Current Primary Outcome Measures (submitted: November 1, 2023)

• Incidence of Treatment Emergent Adverse Events (TEAEs) as assessed according to the National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) [ Time Frame: Participants followed from date of enrollment until the end of study, assessed up to 76 weeks. ]
• Severity of TEAEs as assessed according to NCI-CTCAE [ Time Frame: Participants followed from date of enrollment until the end of study, assessed up to 76 weeks. ]

Original Primary Outcome Measures (submitted: May 8, 2019)

• Incidence of Treatment Emergent Adverse Events (TEAEs) as assessed according to the National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) [ Time Frame: Subjects followed from date of enrollment until the end of study, assessed up to 29 weeks. ]
• Severity of TEAEs as assessed according to NCI-CTCAE [ Time Frame: Subjects followed from date of enrollment until the end of study, assessed up to 29 weeks. ]

• Current Secondary Outcome Measures: Not Provided
• Original Secondary Outcome Measures: Not Provided
• Current Other Pre-specified Outcome Measures: Not Provided
• Original Other Pre-specified Outcome Measures: Not Provided

Descriptive Information

• Brief Title: Safety and Tolerability of BION-1301 in Healthy Volunteers and Adults With IgA Nephropathy (IgAN)
• Official Title: A Phase 1/2, Multicenter Trial to Investigate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of BION-1301 in Healthy Volunteers and Adults With IgA Nephropathy
• Brief Summary: Multicenter study designed to evaluate the safety, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD) of BION-1301 in healthy volunteers and adults with IgA Nephropathy (IgAN).

Detailed Description

This is a Phase 1/2 study of BION-1301, a first-in-class humanized IgG4 anti-a proliferation-inducing ligand (APRIL) monoclonal antibody.

The study will be conducted in three parts. Part 1: double-blind, randomized, placebo-controlled, single ascending dose (SAD) in healthy volunteers (HVs). Part 2: double-blind, randomized, placebo-controlled multiple ascending dose (MAD) in HVs. Part 3: Open-label, multiple dose (MD) in participants with IgAN. Part 4: Retreatment period

Parts 1 and 2 have been completed. Part 3 enrollment is complete. Part 4 enrollment is open for eligible participants from Part 3.

The study will enroll up to 40 participants with IgAN.

• Study Type: Interventional
• Study Phase: Phase 1; Phase 2

Study Design

Allocation: Randomized
Intervention Model: Parallel Assignment
Intervention Model Description:

Part 1 (SAD-HV) is a randomized, placebo-controlled single ascending dose design in HVs. Part 2 (MAD-HV): is a randomized, placebo-controlled multiple ascending dose design in HVs. Part 3 (MD-IgAN) is an open-label multiple dose design in participants with IgAN. Part 4 (IgAN) is open-label retreatment for Part 3 participants.

Masking: Triple (Participant, Care Provider, Investigator)
Masking Description:

Parts 1 and 2 will be performed in a double-blind manner, for clinical research personnel interacting with study participants. An unblinded pharmacist will prepare the doses of investigational study drugs.

Primary Purpose: Treatment

• Condition: IgA Nephropathy

Intervention

• Drug: BION-1301 Single Dose
  A solution for IV infusion administered as a single dose.
• Drug: Placebo Single Dose
  A solution by IV infusion administered as a single dose.
• Drug: BION-1301 Multiple Doses
  A solution for IV infusion or SC injections (Part 3 only) administered as multiple doses.
• Drug: Placebo Multiple Doses
  A solution by IV infusion administered as multiple doses.
• Drug: BION-1301 Single Dose
  SC injection administration as a single dose using vials or pre-filled syringes (PFS) (Part 4 only).

Study Arms

• Experimental: Part 1: BION-1301
  Up to 5 cohorts with single ascending doses of BION-1301 administered by intravenous (IV) infusion.
  Intervention: Drug: BION-1301 Single Dose
• Placebo Comparator: Part 1: Placebo
  Participants will receive a single dose of placebo administered by IV infusion.
  Intervention: Drug: Placebo Single Dose
• Experimental: Part 2: BION-1301
  Up to 4 cohorts with multiple doses of BION-1301 administered by intravenous (IV) infusion.
  Intervention: Drug: BION-1301 Multiple Doses
• Placebo Comparator: Part 2: Placebo
  Participants will receive placebo by IV infusion.
  Intervention: Drug: Placebo Multiple Doses
• Experimental: Part 3: BION-1301
  Two cohorts of participants will receive multiple doses of BION-1301 by IV infusion (Cohort 1) or SC injection (Cohort 2) at 600mg/biweekly.
  Intervention: Drug: BION-1301 Multiple Doses
• Experimental: Part 4 Retreatment: BION-1301
  Eligible participants from Part 3 may enroll in Part 4 due to disease progression or by choice for optional retreatment and receive SC injection at 600mg/biweekly.
  Intervention: Drug: BION-1301 Single Dose

• Publications *: Not Provided

Recruitment Information

• Recruitment Status: Active, not recruiting
• Actual Enrollment (submitted: January 9, 2023): 103
• Original Estimated Enrollment (submitted: May 8, 2019): 73
• Estimated Study Completion Date: October 2026
• Estimated Primary Completion Date: October 2025 (Final data collection date for primary outcome measure)

Eligibility Criteria

Inclusion Criteria for Healthy Volunteers:

1. Healthy male or female volunteers, 18 to 55 years old
2. Females must be of non-childbearing potential
3. Males must agree to follow the protocol-specified contraception guidance
4. Body mass index (BMI) between 18 and 35 kg/m^2, with a weight of at least 50 kg
5. Non-smoker, defined as an individual who has not smoked previously and/or who has discontinued smoking or the use of nicotine/nicotine-containing products at least 3 months before Screening
6. Able to provide signed informed consent

Exclusion Criteria for Healthy Volunteers:

1. Regular consumption of alcohol within 6 months prior to Screening, or use of soft drugs (such as marijuana) within 3 months prior to Screening, or hard drugs (such as cocaine and phencyclidine) within 1 year prior to Screening and/or positive blood or urine test results for drugs of abuse or alcohol at Screening or Admission
2. Donated blood in the 3 months prior to the first dose of study drug, plasma in the 7 days prior to the first dose of study drug, or platelets in the 6 weeks prior to the first dose of study drug
3. History or evidence of a clinically significant disorder, condition, or disease that could pose a risk to subject safety or interfere with the study, or would make the subject unsuitable for participation, eg, respiratory, renal, hepatic, gastrointestinal, hematological, lymphatic, neurological, cardiovascular, or psychiatric disease
4. Female who is breastfeeding or who has a positive serum pregnancy test at Screening or a positive urine pregnancy test on Day -1

Inclusion Criteria for Adults with IgAN:

1. Male or female ≥18 years old at Screening
2. Women of child-bearing potential (WOCBP; per CTFG 2014) must agree to follow the protocol-specified contraception guidance throughout the study (from Screening through approximately 6 months after the final dose of study drug)
3. Males must agree to follow the protocol-specified contraception guidance throughout the study (from Screening through approximately 6 months after the final dose of study drug)
4. BMI between 18 and 40 kg/m^2, inclusive, at Screening with a weight of at least 50 kg
5. Diagnosis of IgAN verified by biopsy taken within the past 10 years
6. Urine protein ≥ 0.5 g/24h; OR UPCR ≥ 0.5 g/g (or ≥ 50 mg/mmol)
7. eGFR (per Chronic Kidney Disease Epidemiology Collaboration [CKD-EPI] formula) or measured GFR ≥ 30 mL/min per 1.73 m^2
8. Stable on an optimized dose of angiotensin converting enzyme (ACE) inhibitors and/or angiotensin-receptor blockers (ARBs) for at least 3 months prior to Screening or intolerant to ACE/ARB

Exclusion Criteria for Adults with IgAN:

1. Known or suspected allergy or hypersensitivity to any component of BION-1301, or history of severe hypersensitivity reaction to any monoclonal antibody
2. Donated blood in the 3 months prior to the first dose of study drug; plasma in the 7 days prior to the first dose of study drug; or platelets in the 6 weeks prior to the first dose of study drug
3. Participated in any other study in which receipt of an investigational new drug, or investigational device occurred within 28 days, or 5 half-lives (whichever is longer) of first dose of study drug in the present study
4. Secondary forms of IgAN as defined by the treating physician (eg, Henoch-Schönlein purpura patients and those with associated alcoholic cirrhosis)
5. Received systemic corticosteroid therapy (> 10 mg/day of prednisone or equivalent) or any other form of immunosuppressive therapy within 3 months prior to the first dose of study drug

PART 4 Eligibility Criteria for Re-treatment Due to Evidence of Disease Progression (Option 1) Inclusion Criteria for Re-treatment Due to Evidence of Disease Progression

1. Completed Part 3 of the study through Week 124 and entered the 52-week follow-up period.
2. UPCR ≥ 0.5 g/g AND ≥ 30% increase from EOT (Week 124). Both proteinuria criteria must be met by a 24-hour urine assessment during the 52-week follow-up period. In addition to the scheduled assessments, investigators may order periodic FMV assessments (for example monthly) to follow a patient more closely. Based on an off-schedule FMV result, or other laboratory or clinical evidence, investigators may order an off-schedule 24-urine collection to confirm disease progression.

Exclusion Criteria for Re-treatment Due to Evidence of Disease Progression

1. Based on the Investigator's judgment, the patient would not benefit from resuming treatment with BION-1301 or there is a safety concern for the individual patient which outweighs the expected benefit from resuming treatment.

Eligibility Criteria for Optional Re-treatment (Option 2) Inclusion Criteria for Optional Re-treatment 1. Completed Part 3 of the study through Week 124 and completed of the 52-week follow-up period.

Exclusion Criteria for Optional Re-treatment

1. Based on the Investigator's judgment, the patient would not benefit from resuming treatment with BION-1301 or there is a safety concern for the individual patient which outweighs the expected benefit from resuming treatment.

Sex/Gender

• Sexes Eligible for Study: All

• Ages: 18 Years and older (Adult, Older Adult)
• Accepts Healthy Volunteers: Yes
• Contacts: Contact information is only displayed when the study is recruiting subjects
• Listed Location Countries: Korea, Republic of, United Kingdom, United States

Administrative Information

• NCT Number: NCT03945318
• Other Study ID Numbers: ADU-CL-19; 2018-003360-31 ( EudraCT Number )
• Has Data Monitoring Committee: No

U.S. FDA-regulated Product

• Studies a U.S. FDA-regulated Drug Product: Yes
• Studies a U.S. FDA-regulated Device Product: No
• Product Manufactured in and Exported from the U.S.: Yes

IPD Sharing Statement

• Plan to Share IPD: No

• Current Responsible Party: Chinook Therapeutics, Inc.
• Original Responsible Party: Aduro Biotech, Inc.
• Current Study Sponsor: Chinook Therapeutics, Inc.
• Original Study Sponsor: Aduro Biotech, Inc.
• Collaborators: Not Provided

Investigators

• Study Director: Novartis Pharmaceuticals; Novartis Pharmaceuticals

• PRS Account: Chinook Therapeutics, Inc.
• Verification Date: April 2024