Biotech Tracker
MilestoneH2 2026a window, not a day

Setmelanotide congenital HO substudy enrollment completion

Setmelanotide congenital HO substudy enrollment completion, expected in the second half of 2026 (no exact date yet). A company milestone for Rhythm (setmelanotide (IMCIVREE) for congenital hypothalamic obesity): a step in the program rather than a decision or a data readout.

Plain-English summary generated from this entry’s own fields (drug, condition, stage, date). Glossary

DetailsCompany milestone
Company
Rhythm Pharmaceuticals, Inc. RYTM
Drug
setmelanotide (IMCIVREE)
For
congenital hypothalamic obesity
Stage
Phase 3 · the last stage before a drug can be approved
When
H2 2026 · the company gave a window, not a day; the calendar never invents one
Source note
Q2 2026 PR (Aug 4, 2026) anticipated-milestones section.
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Rhythm Pharmaceuticals, Inc.
4 upcoming · 7 past catalysts
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MilestoneRYTMRhythmH2 2026

RM-718 Phase 1/2 Part D enrollment completion in Prader-Willi syndrome, expected in the second half of 2026 (no exact date yet). A company milestone for Rhythm (RM-718 for Prader-Willi syndrome): a step in the program rather than a decision or a data readout.

More details
Entry
RM-718 Phase 1/2 Part D enrollment completion in Prader-Willi syndrome · Company milestone
Drug
RM-718
For
Prader-Willi syndrome
Stage
Phase 1/2 · an early study that checks safety and takes a first look at effect
When
H2 2026 · the company gave a window, not a day
Source note
Q2 2026 PR (Aug 4, 2026); RM-718 weekly MC4R agonist also showed 11.6% mean BMI reduction at 16 weeks in acquired HO (n=7).
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Plain-English summary generated from this entry’s own fields (drug, condition, stage, date). Glossary · Open this catalyst’s page

ApprovalRYTMRhythmQ4 2026

Rhythm expects Japanese regulators to decide on IMCIVREE (setmelanotide) for Acquired hypothalamic obesity in Q4 2026 (Oct–Dec) (no exact date yet). An approval lets the company start selling it in that market.

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Entry
UPDATE: Japan MHLW decision on IMCIVREE for acquired HO guided by year-end 2026 · Regulatory approval
Drug
IMCIVREE (setmelanotide)
For
Acquired hypothalamic obesity
Stage
Registration (Japan)
When
Q4 2026 · the company gave a window, not a day
Source note
existing item RYTM|approval|2026-H2 Japan IMCIVREE aHO; Q2 2026 PR (Aug 4, 2026) now frames the MHLW decision as 'by year-end 2026' (mapped to Q4 per convention).
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Plain-English summary generated from this entry’s own fields (drug, condition, stage, date). Glossary · Open this catalyst’s page

MilestoneRYTMRhythmQ4 2026

UPDATE: Bivamelagon pivotal Phase 3 in acquired HO to start by year-end 2026, expected in Q4 2026 (Oct–Dec) (no exact date yet). A company milestone for Rhythm (Bivamelagon (LB54640) for Acquired hypothalamic obesity): a step in the program rather than a decision or a data readout.

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Entry
UPDATE: Bivamelagon pivotal Phase 3 in acquired HO to start by year-end 2026 · Company milestone
Drug
Bivamelagon (LB54640)
For
Acquired hypothalamic obesity
Stage
Phase 3 · the last stage before a drug can be approved
When
Q4 2026 · the company gave a window, not a day
Source note
existing item RYTM|other|2026-H2 Bivamelagon Ph3 start; Q2 2026 PR (Aug 4, 2026) guides 'by year-end 2026' (mapped to Q4).
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Plain-English summary generated from this entry’s own fields (drug, condition, stage, date). Glossary · Open this catalyst’s page