A Phase 2 interventional study of MAR002 and Placebo in Acromegaly, sponsored by Marea Therapeutics. Recruiting at 3 sites in United States. Open to participants aged 18 Years to 75 Years. Per ClinicalTrials.gov, last updated 2026-09-11.
Sponsored by Marea Therapeutics · Phase 2, Interventional, and Treatment
Evaluate the safety and tolerability of subcutaneous (SC) administration of MAR002 in participants with acromegaly
MAR-202 is a randomized, multicenter, double-blind, placebo-controlled dose-range finding study.
After screening, participants who meet all eligibility criteria will be randomized to 1 of 3 active MAR002 regimens or matching placebo in a 3:1 ratio for a 10-week Treatment Period. During the Treatment Period, study drug (MAR002 or matching placebo) will be administered at study visits every 2 weeks (Q2W; Days 1, 15, 29, 43, and 57) followed then by a Follow-up Period before the End of Study (EOS) Visit on Week 16.
This study will aim to enroll a total of approximately 72 participants with acromegaly across 3 groups (Group 1: "untreated"; Group 2: "controlled on medical therapy"; Group 3: "uncontrolled on medical therapy").
202 studies on the registry are indexed under Acromegaly; 19 are open to participants now.
This study's planned enrollment of 72 is above the median of 43 across 115 interventional studies indexed under Acromegaly.
Browse Acromegaly studies →Marea Therapeutics is the lead sponsor of 5 studies on the registry; 4 are open to participants now.
Counted across the registry records on this site, refreshed daily.
Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.
Exclusion Criteria:
Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.
You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.
The top of the normal range for a blood test, as set by the laboratory that runs it. Each lab prints its own range next to your result.
“≤ 2.5 × ULN” means the result can be up to two and a half times that top value.
An allergy, or another reaction of the immune system, to a substance. “Hypersensitivity to the study drug” means a known allergic reaction to it — not every side effect a medicine can have.
A drug or device being studied in a clinical trial.
It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.
Malignancy means cancer. Criteria about another or earlier malignancy ask whether you have had a different cancer, usually within a set number of years.
Some are commonly allowed, such as treated skin cancers other than melanoma and early cancers removed completely — check the exceptions this study lists.
A blood test of average blood sugar over the past two to three months, given as a percentage or in mmol/mol. 6.5% (48 mmol/mol) or more is the usual threshold for diabetes, normally confirmed by a second test.
GFR (glomerular filtration rate) is how much blood the kidneys filter each minute. It is usually estimated from a blood test — eGFR, by formulas such as CKD-EPI or MDRD — and some studies ask for it to be measured directly instead. Usually given in mL/min/1.73 m².
Check the method, the units and the minimum the study states. A value of 90 or above is in the normal-or-high range, but kidney damage can show in other tests too.
A “mini-stroke”: temporary stroke-like symptoms caused by reduced blood flow to part of the brain, spinal cord or eye, without signs of a new stroke on a scan.
Stroke symptoms need emergency care at once, even if they go away.
Informed consent
Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.
You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
ULN (upper limit of normal)
The top of the normal range for a blood test, as set by the laboratory that runs it. Each lab prints its own range next to your result.
“≤ 2.5 × ULN” means the result can be up to two and a half times that top value.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Hypersensitivity
An allergy, or another reaction of the immune system, to a substance. “Hypersensitivity to the study drug” means a known allergic reaction to it — not every side effect a medicine can have.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Investigational drug or device
A drug or device being studied in a clinical trial.
It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Cancer (malignancy)
Malignancy means cancer. Criteria about another or earlier malignancy ask whether you have had a different cancer, usually within a set number of years.
Some are commonly allowed, such as treated skin cancers other than melanoma and early cancers removed completely — check the exceptions this study lists.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
HbA1c
A blood test of average blood sugar over the past two to three months, given as a percentage or in mmol/mol. 6.5% (48 mmol/mol) or more is the usual threshold for diabetes, normally confirmed by a second test.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
GFR and eGFR (kidney filtering)
GFR (glomerular filtration rate) is how much blood the kidneys filter each minute. It is usually estimated from a blood test — eGFR, by formulas such as CKD-EPI or MDRD — and some studies ask for it to be measured directly instead. Usually given in mL/min/1.73 m².
Check the method, the units and the minimum the study states. A value of 90 or above is in the normal-or-high range, but kidney damage can show in other tests too.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
TIA (transient ischaemic attack)
A “mini-stroke”: temporary stroke-like symptoms caused by reduced blood flow to part of the brain, spinal cord or eye, without signs of a new stroke on a scan.
Stroke symptoms need emergency care at once, even if they go away.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Subcutaneous injection
Drug: MAR002
Subcutaneous injection
Drug: MAR002
Subcutaneous injection
Drug: MAR002
Subcutaneous Placebo
Drug: Placebo
Subcutaneous injection
Subcutaneous injection
Number of participants with TEAEs (treatment-emergent adverse events), SAEs (serious adverse events), and other laboratory endpoints
To assess the safety and tolerability of multiple subcutaneous (SC) dose administrations of MAR002 in participants with acromegaly
Time frame: Baseline to Week 16
Percent change from baseline in serum insulin-like growth factor 1 (IGF-1) levels as an average of Week 8 and Week 10
To assess the effect of MAR002 on serum insulin-like growth factor 1 (IGF-1) levels in participants with acromegaly
Time frame: Baseline to Week 10
Change from baseline in acromegaly symptoms as measured by the Acromegaly Quality of Life (AcroQoL)
To explore the effects of MAR002 on acromegaly symptoms
Time frame: Baseline to Week 10
Change from baseline in acromegaly symptoms as measured by Investigator assessment
To explore the effects of MAR002 on acromegaly symptoms
Time frame: Baseline to Week 10
Change from baseline in ring size
To explore the effects of MAR002 on acromegaly symptoms
Time frame: Baseline to Week 10
Change from baseline in acromegaly symptoms as measured by the Acromegaly Symptom Diary (ASD)
To explore the effects of MAR002 on acromegaly symptoms
Time frame: Baseline to Week 10
Plan to share: No
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Marea Therapeutics