I have a family member who suffers from these headaches and he told me about this organization. I explained there are some interesting things in the public space happening that is geared toward this horrible ailment and hopefully finds ways through the FDA and legal processes. There is a company that is investigating LSD in Phase 2a Clinical trials for Cluster Headaches.
MindMed Company Page: https://www.mindmed.co/
Recent New about studies and collaborations
Phase 2 Clinical Trial of LSD for "Suicide Headaches" Begins Treating Patients: https://www.prnewswire.com/news-releases/phase-2-clinical-trial-of-lsd-for-suicide-headaches-begins-treating-patients-301071869.html
MindMed and Liechti Lab Announce R&D Collaboration On Psilocybin: https://www.prnewswire.com/news-releases/mindmed-and-liechti-lab-announce-rd-collaboration-on-psilocybin-301137184.html
I don't suffer from this. However, I hope companies like this fast track you all to have unfettered access to what you need.