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A Phase Ia Safety and Tolerability Study of BL-001

A Phase Ia, Randomized, Parallel-group, Double-blind, Placebo-controlled, Single-center, Multiple Dose Safety and Tolerability Study of Ascending Doses of BL-001 Oral Capsules Administered for 28 Days to Healthy Volunteers

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05818306
Enrollment
32
Registered
2023-04-18
Start date
2023-02-20
Completion date
2023-06-02
Last updated
2023-06-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy Volunteers

Keywords

Bloom Science, Bloom, BL-001, Microbiome, LBP, Live Biological Product, Live Biotherapeutic Product

Brief summary

To investigate the safety and tolerability of BL-001 in healthy volunteers for 28 consecutive days.

Detailed description

This is a Phase 1a randomized, parallel-group, double-blind, placebo-controlled, single-center, multiple dose study to evaluate the safety and tolerability of BL-001.

Interventions

DRUGBL-001

Live biological product BL-001

DRUGPlacebo

Placebo

Sponsors

Bloom Science
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
HEALTH_SERVICES_RESEARCH
Masking
TRIPLE (Subject, Caregiver, Investigator)

Masking description

Both the Investigator and the subjects are not aware of the treatment administered.

Intervention model description

Randomized, parallel-group, double-blind, placebo-controlled, single-center, multiple dose safety & tolerability Phase Ia study

Eligibility

Sex/Gender
ALL
Age
18 Years to 55 Years
Healthy volunteers
Yes

Inclusion criteria

Key Inclusion criteria 1. Informed consent: signed written informed consent before inclusion in the study 2. Sex and Age: men/women, 18-55 years old inclusive 3. Body Mass Index (BMI): 18.5-30 kg/m2 inclusive 4. Vital signs: systolic blood pressure 100-139 mmHg, diastolic blood pressure 50-89 mmHg, heart rate 50-90 bpm, measured after 5 min at rest in the sitting position 5. Full comprehension: ability to comprehend the full nature and purpose of the study, including possible risks and side effects; ability to co-operate with the investigator and to comply with the requirements of the entire study 6. Contraception and fertility (women only): women of child-bearing potential must be using at least one of the protocol defined and reliable methods of contraception Key

Exclusion criteria

1. Electrocardiogram 12-leads (supine position): clinically significant abnormalities 2. Physical findings: clinically significant abnormal physical findings which could interfere with the objectives of the study 3. Bowel movements: on average ≥3 stools per day or \<3 stools per week 4. Laboratory analyses: clinically significant abnormal laboratory values indicative of physical illness 5. Allergy: ascertained or presumptive hypersensitivity to the formulation's ingredients; history of anaphylaxis to drugs or allergic reactions in general, which the Investigator considers may affect the outcome of the study 6. Diseases: significant history of renal, hepatic, gastrointestinal, cardiovascular, respiratory, skin, hematological, endocrine, psychiatric or neurological diseases that may interfere with the aim of the study 7. Gastrointestinal: evidence of acute or chronic gastrointestinal disorders 8. Medications and probiotics: probiotics, nutraceuticals, and medications, including over the counter medications and herbal remedies for 2 weeks and antibiotics for 3 months before the start of the study. Hormonal contraceptives for women will be allowed

Design outcomes

Primary

MeasureTime frameDescription
Safety and tolerability of BL-001Treatment-emergent adverse events are reviewed from screening through Day 28Safety and tolerability of BL-001 as measured by treatment-emergent adverse events

Secondary

MeasureTime frameDescription
Intestinal engraftmentFecal samples are collected by the subjects at home from screening through Day 28The intestinal engraftment of the microbiota with BL-001 component strains
Intestinal microbiota changesFecal samples are collected by the subjects at home from screening through Day 28Changes in the intestinal microbiota, including microbial taxonomic and functional characterization as well as diversity metrics
Metabolite changes in stool samplesFecal samples are collected by the subjects at home from screening through Day 28Analysis of metabolite changes in stool samples
Metabolite changes in plasma samplesVenous blood samples are collected by venipuncture from a forearm vein at visits starting at screening through Day 28Analysis of metabolite changes in plasma samples

Countries

Switzerland

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026